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Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils
Open accessAbstract
Cyanobacteria are among the most ancient of evolutionary lineages, oxygenic photosynthesizers that may have originated before 3.0 Ga, as evidenced by free oxygen levels. Throughout the P recambrian, cyanobacteria were one of the most important drivers of biological innovations, strongly impacting early Earth's environments. At the end of the A rchean E on, they were responsible for the rapid oxygenation of Earth's atmosphere during an episode referred to as the G reat O xidation E vent (GOE). However, little is known about the origin and diversity of early cyanobacterial taxa, due to: (1) the scarceness of P recambrian fossil deposits; (2) limited characteristics for the identification of taxa; and (3) the poor preservation of ancient microfossils. Previous studies based on 16 S r RNA have suggested that the origin of multicellularity within cyanobacteria might have been associated with the GOE. However, single‐gene analyses have limitations, particularly for deep branches. We reconstructed the evolutionary history of cyanobacteria using genome scale data and re‐evaluated the P recambrian fossil record to get more precise calibrations for a relaxed clock analysis. For the phylogenomic reconstructions, we identified 756 conserved gene sequences in 65 cyanobacterial taxa, of which eight genomes have been sequenced in this study. Character state reconstructions based on maximum likelihood and Bayesian phylogenetic inference confirm previous findings, of an ancient multicellular cyanobacterial lineage ancestral to the majority of modern cyanobacteria. Relaxed clock analyses provide firm support for an origin of cyanobacteria in the A rchean and a transition to multicellularity before the GOE. It is likely that multicellularity had a greater impact on cyanobacterial fitness and thus abundance, than previously assumed. Multicellularity, as a major evolutionary innovation, forming a novel unit for selection to act upon, may have served to overcome evolutionary constraints and enabled diversification of the variety of morphotypes seen in cyanobacteria today.
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TL;DR
Genome-scale phylogenomics and relaxed molecular clock analyses of 65 cyanobacterial taxa support an Archean origin of cyanobacteria and an origin of multicellularity before the Great Oxidation Event, with multicellularity later lost and occasionally regained. The authors argue this early multicellularity may have increased cyanobacterial abundance and oxygen production, contributing to the GOE.
Key findings
- The phylogenomic tree, based on 756 conserved proteins (197,761 amino acid sites) from 65 cyanobacterial taxa, recovered six major clades with full bootstrap support; 100% maximum likelihood bootstrap support was inferred for 57 of 64 branches, compared with 24 of 64 branches in the 16S/23S rRNA tree.
- Ancestral character state reconstruction inferred a very early transition to multicellularity at node/branch 69; multicellularity was subsequently lost at least five times and regained on one, possibly two, branches leading to *Leptolyngbya* sp. PCC 7376 and *Spirulina subsalsa* PCC 9445, so the majority of modern cyanobacteria are descendants of an ancient multicellular lineage.
- Relaxed clock analyses, irrespective of prior assumptions for node 69, estimated that multicellularity originated before the GOE; cyanobacteria originated in the Archean/mid-Archean long before the GOE, and the majority of modern clades 2–6 evolved after the GOE.
- Comparisons of modern cyanobacterial cell sizes to Precambrian microfossils support the inferred presence of multicellular cyanobacteria before the GOE, but the fossil record does not provide evidence for multicellular taxa among the earliest unequivocal fossil assemblages at 3.33–3.45 Ga.
Methods
- Taxon sampling and phylogenomics: 65 cyanobacterial taxa were analyzed, including 27 unicellular (sections I–II) and 38 multicellular (sections III–V) taxa; eight additional cyanobacterial genomes were sequenced. A total of 756 highly conserved proteins were identified, aligned, and concatenated into a 197,761-amino-acid supermatrix; maximum likelihood trees were reconstructed with RAxML using the LG + Γ model and 1000 bootstrap resamplings, alongside a concatenated 16S/23S rRNA tree.
- Ancestral character state reconstruction: maximum likelihood methods in the R ape package and Bayesian inference in BayesTraits were used; MCMC analyses ran for 1,010,000 iterations with a 10,000 burn-in, estimating transition rates q01 (to multicellularity) and q10 (to unicellularity).
- Divergence time estimation: relaxed clocks with lognormal rate distribution were applied in MCMCTREE/PAML, using three calibrations—origin of Cyanobacteria, origin of sections IV and V capable of cellular differentiation, and origin of multicellularity at node 69. Two hypotheses were tested: multicellularity after the GOE (H1) versus before the GOE (H2); four MCMC analyses ran for 10 million generations, sampling every 100 generations with 50% burn-in.
Limitations
- Stated: deep divergences are limited by the lack of evolutionary information retained in molecular data over long timescales, weaknesses in phylogenetic models, paucity of calibration points, potential misassignment of calibrations, and the likelihood that fossil ages poorly approximate clade ages; posterior node age estimates had large 95% confidence intervals that prevented precise dating.
- Stated: the Precambrian fossil record is patchy at best; the earliest unequivocal fossil assemblages at 3.33–3.45 Ga do not provide evidence for multicellular cyanobacteria, and filament diameters in older fossils are described as “more probabilistic than deterministic” evidence for cyanobacteria.
- Evident from the text: the analyses depend on debated fossil interpretations and geochemical inferences for calibration, use only uniform prior distributions, and showed that user-specified priors can differ from effective priors, although the authors judged the age ranges similar enough to accept.
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A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Relaxed clock analyses provide firm support for an origin of cyanobacteria in the Archean and a transition to multicellularity before the GOE.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✓ Based: passes- The authors state this as an assumption: The divergence of the Gloeobacter lineage from the stem lineage leading to all other extant cyanobacteria occurred between 3.85 and 2.918 Ga (analyses A, C) or between 3.85 and 2.45 Ga (analyses B, D).
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Relaxed clock analyses provide firm support for an origin of cyanobacteria in the Archean and a transition to multicellularity before the GOE.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✓ Based: passes- The authors state this as an assumption: The most recent common ancestor of subsections IV and V cyanobacteria originated after the GOE but before 1.957 Ga.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Results of all analyses suggest a very early transition to multicellularity at ‘node/branch 69’ (Fig. 3; Fig. S3; Table S3).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Ancestral character state reconstruction
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In the paper
“Changing the widths of the uniform distribution in several runs supported an early transition to multicellularity even further (Fig. S3, online Supporting Information).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Ancestral character state reconstruction
Strength:plain· not yet calibratedCausal:direct· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes? Load-bearing: unclear✓ Based: passesThe paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Assuming that Gloeobacter groups closest to a eubacterial outgroup, as previously suggested based on ribosomal (Schirrmeister et al. 2011b), and phylogenomic data (Blank and Sanchez‐Baracaldo 2010; Shih et al. 2013), Synechococcus isolated from hot springs are the first group to split from the rest of Cyanobacteria, followed by an early branching ‘Clade 1’ of unicellular and multicellular cyan”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Comparison of phylogenetic reconstructions based on genome and ribosomal data
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In the paper
“Our analyses run without molecular data showed that our originally uniform priors (Fig. 4; dashed curve) resulted in non‐uniform effective priors (Fig. 4; red curve).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Divergence time estimation
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✓ Based: passesA result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“For character state reconstructions using an asymmetrical rate model, the estimated rates were q01 = 0.5768 (standard error = 0.3147) and q10 = 0.8254 (standard error = 0.2205), where q01 defines the transition to multicellularity and q01 the loss of multicellularity.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Ancestral character state reconstruction
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In the paper
“Six distinct clades could be reconstructed with full support.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Material and methods > Phylogenomic analyses using a supermatrix
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In the paper
“In all analyses, the posterior probabilities of the origin of multicellularity (calibration 3; Fig. 4) support an age close to the maximum of the prior age calibration.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Divergence time estimation
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In the paper
“The posterior age estimates for the origin of multicellularity (calibration 3) are in all cases shifted towards the older bound of the effective priors.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Divergence time estimation
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- Probably not a substantial claim. 20
- It may state two separate claims as one. 34
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“An evolutionary model assuming equal transition rates resulted in rates of 0.7575 (standard deviation = 0.1978).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Ancestral character state reconstruction
Strength:plain· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes✗ Load-bearing: fails✓ Based: passesProbably not a substantial claim. The paper’s conclusions may not depend on it.
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In the paper
“‘Clade 6’ comprises the majority of the subsections I to III cyanobacteria (except marine picocyanobacteria, hot spring Synechococcus and early‐branching multicellular taxa) and is well supported in the phylogenomic tree, but not resolved in the ribosomal tree (BS: 41%).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Comparison of phylogenetic reconstructions based on genome and ribosomal data
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In the paper
“For the cyanobacterial stem lineage (calibration 1; Fig. 4), posterior age estimates were almost uniformly distributed in Hypothesis 1 and shifted towards an origin of cyanobacteria prior 3.5 Ga for Hypothesis 2.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Divergence time estimation
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✓ Based: passesIt may state two separate claims as one.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Across the phylogeny, multicellularity is subsequently lost at least five times and regained on one, possibly two, branch leading to Leptolyngbya sp. PCC 7376 and Spirulina subsalsa PCC 9445.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Ancestral character state reconstruction
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✓ Based: passesIt may state two separate claims as one.
A result the paper reports from its own data — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“While 100% maximum likelihood bootstrap (BS) values supported just 24 of 64 branches of the ribosomal tree, 100% bootstrap support was inferred for 57 of 64 branches of the genomic tree.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Comparison of phylogenetic reconstructions based on genome and ribosomal data
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In the paper
“In this study, the use of an impressively large data set (197 766 amino acid sites) helped to overcome the limitations previous analyses might have had, not only substantially improving the statistical support across cyanobacterial phylogeny in comparison with single‐gene analyses, but also corroborating the hypotheses of an early origin of multicellularity in Cyanobacteria (Schirrmeister et al. 2”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Improved data set to reconstruct the evolutionary history of Cyanobacteria
What the sources say
- Not checked yetcites Schirrmeister et al. 2011b, 2013
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In the paper
“Our results show that multicellularity evolved very early among cyanobacteria and divergence time estimations (Fig. 5) confirm previous suggestions of an origin of multicellularity prior to the GOE, independently of whether the 2.0 Ga fossil akinete calibration is used.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Comparison of cyanobacterial cell sizes to Precambrian microfossils
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In the paper
“In addition to their ecological variety, cyanobacteria exhibit impressive morphological diversity, particularly for prokaryotes. On this basis, cyanobacteria have been classified and divided into five subsections (Rippka et al. 1979; Castenholz 2001).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
What the sources say
- Not checked yetcites Rippka et al. 1979
- Not checked yetcites Castenholz 2001
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In the paper
“The transition to multicellularity with its increase in overall size could have had a similar effect in cyanobacteria.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
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The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“These hypotheses, however, ignore the possibility of evolutionary innovations that could have influenced fitness and, hence, abundance of cyanobacteria.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
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A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Multicellularity, as a major evolutionary innovation, forming a novel unit for selection to act upon, may have served to overcome evolutionary constraints and enabled diversification of the variety of morphotypes seen in cyanobacteria today.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
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The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Difficulties in obtaining accurate age estimates for such deep speciation events may include: (1) the lack of evolutionary information retained in molecular data over such long timescales; (2) weaknesses in the phylogenetic model to correctly infer evolutionary processes that took place over such long time periods; and (3) the paucity of calibration points for divergence time estimation.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
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The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Further difficulties of calibrations involve: (1) the potential for their misassignment to clades; and (2) the likelihood that the age of the calibrating fossils is a poor approximation of their clade age.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
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In the paper
“Although the limiting factor on precision in divergence time studies is invariably the uncertainty associated with the fossil calibrations (dos Reis and Yang 2013), in terms of the degree to which fossil minima approximate the true time of divergence, much of the uncertainty associated with phylogeny and divergence time estimation can be diminished by employing genome scale data (dos Reis et al. 2”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
What the sources say
- Not checked yetcites dos Reis and Yang 2013
- Not checked yetcites dos Reis et al. 2012
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In the paper
“Although many multicellular fossil remains from the Archean and Proterozoic (Altermann and Schopf 1995; Schopf 2006) have been interpreted as cyanobacteria, the overall fossil record is patchy at best and provides only glimpses into the history of these early prokaryotes.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
What the sources say
- Not checked yetcites Altermann and Schopf 1995
- Not checked yetcites Schopf 2006
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In the paper
“The appearance of cyanobacterial fossils attributed to subsections IV and V cyanobacteria occurs after the GOE, supporting the hypothesis that heterocyst formation evolved after the increase in atmospheric oxygen to allow for nitrogen fixation, spatially separated from photosynthesis (Tomitani et al. 2006).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
What the sources say
- Not checked yetcites Tomitani et al. 2006
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In the paper
“bacteria in subsections IV and V have the ability to form differentiated cells, such as metabolically specialized heterocysts for nitrogen fixation and resting cells, so called akinetes (Flores and Herrero 2010).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
What the sources say
- Not checked yetcites Flores and Herrero 2010
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In the paper
“Taxa belonging to subsection V are the only cyanobacteria that grow multiseriate filaments (varying cell width) and in several planes exhibit ‘true’ branching, not to be confused with ‘false’ branching (Rippka et al. 1979; Gugger and Hoffmann 2004).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
What the sources say
- Not checked yetcites Rippka et al. 1979
- Not checked yetcites Gugger and Hoffmann 2004
Strength:plain· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes✗ Load-bearing: fails✓ Based: passesProbably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
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In the paper
“Cyanobacteria are among the most ancient of evolutionary lineages, oxygenic photosynthesizers that may have originated before 3.0 Ga, as evidenced by free oxygen levels.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Abstract
What the sources say
- Not checked yetcites Crowe et al. 2013
- Not checked yetcites Lyons et al. 2014
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In the paper
“Age ranges of specified and effective priors were similar, however, and could be accepted for the divergence time analyses.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Divergence time estimation
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In the paper
“For all analyses, accepted changes to the chains had values of approximately 30% at the time of convergence.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Ancestral character state reconstruction
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In the paper
“Based on Sm‐Nd isotopes, two kerogen‐rich shale samples of the Franceville Group were dated 2.099 Ga ± 115 Myr to 2.036 Ga ± 79 Myr, which suggests a conservative minimum constrain for the tree calibration of 1.957 Ga (Bros et al. 1992).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Material and methods > Restricting the origin of terminal cell differentiation (calibration 2)
What the sources say
- Not checked yetcites Bros et al. 1992
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In the paper
“For analyses B and D, the lower limit on the age of crown Cyanobacteria is based on the estimated beginning of the GOE (Bekker et al. 2004).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Material and methods > Restricting the origin of cyanobacteria (calibration 1)
What the sources say
- Not checked yetcites Bekker et al. 2004
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In the paper
“All MCMC runs exhibited evidence of sufficient mixing.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Results > Ancestral character state reconstruction
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In the paper
“These fossil akinetes, classified as Archaeoellipsoides, have been reported from various intervals through the Proterozoic (Horodyski and Donaldson 1980; Golubic et al. 1995; Srivastava 2005); however, the microfossils of the Franceville Group are the earliest of these occurrences.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Material and methods > Restricting the origin of terminal cell differentiation (calibration 2)
What the sources say
- Not checked yetcites Horodyski and Donaldson 1980
- Not checked yetcites Golubic et al. 1995
- Not checked yetcites Srivastava 2005
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In the paper
“The lower limit on the age of crown Cyanobacteria in analyses A and C is based on Mo isotope evidence for oxygen production from the Sinqeni Fm., Pongola Supergroup, South Africa, indicating indirectly the presence of manganese oxidation, a process that would require abundant free oxygen (Planavsky et al. 2014).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Material and methods > Restricting the origin of cyanobacteria (calibration 1)
What the sources say
- Not checked yetcites Planavsky et al. 2014
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In the paper
“Applying 16S rRNA sequence data and a set of different calibration assumptions, a previous study by Schirrmeister et al. (2013) estimated divergence times that pointed towards an origin of cyanobacteria in the Archean Eon, with multicellularity more likely originating before the GOE.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Improved data set to reconstruct the evolutionary history of Cyanobacteria
What the sources say
- Not checked yetcites Schirrmeister et al. (2013)
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In the paper
“Previous hypotheses have argued for an origin of Cyanobacteria shortly before the GOE (Kirschvink and Kopp 2008), followed by a rapid accumulation of oxygen as observed during the GOE.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Benefits of cyanobacterial multicellularity and its potential consequences for the GOE
What the sources say
- Not checked yetcites Kirschvink and Kopp 2008
Strength:plain· not yet calibratedCausal:direct· not yet calibratedTests✗ Asserted: fails✓ Checkable: passes✗ Load-bearing: fails✓ Based: passesProbably not a substantial claim. The authors may not put it forward as true. The paper’s conclusions may not depend on it. It may state two separate claims as one.
In the paper
“More than 2.83‐Gyr‐old reef systems from Mushandike, Zimbabwe, and Steep Rock, Canada, seem to have been formed in oxic waters and support the hypotheses of Archean oxygen oases that were based on the absence of mass‐independent sulphur fractionation (Ohmoto et al. 2006).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Comparison of cyanobacterial cell sizes to Precambrian microfossils
What the sources say
- Not checked yetcites Ohmoto et al. 2006
Strength:hedged· not yet calibratedCausal:correlational· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes? Load-bearing: unclear✓ Based: passesIt may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“it comprises merely 1400 nucleotide sites with only half of them susceptible to change in phylum Cyanobacteria.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Improved data set to reconstruct the evolutionary history of Cyanobacteria
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In the paper
“Additionally, calibrations of tip clades have been claimed to be unsuitable for the accurate estimation of deep divergence events (Duchene et al. 2014).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Improved data set to reconstruct the evolutionary history of Cyanobacteria
What the sources say
- Not checked yetcites Duchene et al. 2014
Strength:hedged· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes✗ Load-bearing: fails✓ Based: passesProbably not a substantial claim. The paper’s conclusions may not depend on it.
None of the sources cited for this claim have been checked yet.
In the paper
“Alternatively, several studies have found evidence of free oxygen and, thus, inferred the presence of cyanobacteria, hundreds of millions of years prior to the GOE, possibly as early as 3.0 Ga (Nisbet et al. 2007; Nisbet and Nisbet 2008; Crowe et al. 2013; Lyons et al. 2014).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Benefits of cyanobacterial multicellularity and its potential consequences for the GOE
What the sources say
- Not checked yetcites Nisbet et al. 2007
- Not checked yetcites Nisbet and Nisbet 2008
- Not checked yetcites Crowe et al. 2013
Strength:hedged· not yet calibratedCausal:correlational· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes✗ Load-bearing: fails✓ Based: passesProbably not a substantial claim. The paper’s conclusions may not depend on it.
In the paper
“Another study by Shih and Matzke (2013) recovered a much more recent origin of living cyanobacterial taxa concluding that an ancient cyanobacterial stem lineage must be responsible for late Archean oxygen levels.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Improved data set to reconstruct the evolutionary history of Cyanobacteria
What the sources say
- Not checked yetcites Shih and Matzke (2013)
Strength:plain· not yet calibratedCausal:direct· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes✗ Load-bearing: fails✓ Based: passesProbably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
None of the sources cited for this claim have been checked yet.
In the paper
“Isotopes from organic carbon in these rocks, additionally, point towards cyanobacterial RuBisCO I activity in those deposits and support an origin of cyanobacteria in the Archean (Nisbet et al. 2007; Nisbet and Fowler 2011).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Comparison of cyanobacterial cell sizes to Precambrian microfossils
What the sources say
- Not checked yetcites Nisbet et al. 2007
- Not checked yetcites Nisbet and Fowler 2011
Strength:plain· not yet calibratedCausal:correlational· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes? Load-bearing: unclear✓ Based: passesIt may state two separate claims as one.
In the paper
“The ATPase subunits resulted from an ancient duplication event, which occurred before the last common ancestor of all living taxa and has therefore been used in the past to reconstruct the Tree of Life (Iwabe et al. 1989).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Improved data set to reconstruct the evolutionary history of Cyanobacteria
What the sources say
- Not checked yetcites Iwabe et al. 1989
Strength:plain· not yet calibratedCausal:direct· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes✗ Load-bearing: fails✓ Based: passesProbably not a substantial claim. The paper’s conclusions may not depend on it.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“The assumptions that: (1) simple filamentous cyanobacterial taxa were present in 2.0‐Gyr‐old deposits; and (2) cyanobacteria were responsible for the accumulation of oxygen during the Archean, indicates an existence of multicellular cyanobacteria before the GOE.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Comparison of cyanobacterial cell sizes to Precambrian microfossils
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes? Based: unclearIt may state two separate claims as one.
- The authors state this as an assumption: Simple filamentous cyanobacterial taxa were present in 2.0-Gyr-old deposits.
- The authors state this as an assumption: Cyanobacteria were responsible for the accumulation of oxygen during the Archean.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Microfossils from Proterozoic and Archean deposits comprise multicellular forms, such as septate and non‐septate filaments, and unicellular remains, such as spheres and rods.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Comparison of cyanobacterial cell sizes to Precambrian microfossils
Strength:plain· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes? Load-bearing: unclear✓ Based: passesIt may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“We suggest that the origin of multicellularity was a major transition in the history of cyanobacteria, forming new units to be subject to selection, and offering the potential to increase cyanobacterial abundance, consequently initiating the GOE.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Benefits of cyanobacterial multicellularity and its potential consequences for the GOE
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✓ Based: passesIt may state two separate claims as one.
In the paper
“Furthermore, experiments have demonstrated the movement of filamentous cyanobacteria to avoid UV light, where prevention of movement resulted in UV‐induced inhibition of photosynthesis (Kruschel and Castenholz 1998).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Benefits of cyanobacterial multicellularity and its potential consequences for the GOE
What the sources say
- Not checked yetcites Kruschel and Castenholz 1998
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✓ Based: passesIt may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“In Archean environments, Fe (II) toxicity could have prohibited oxygenic photosynthesis and subsequently allowed for only little oxygen production.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Benefits of cyanobacterial multicellularity and its potential consequences for the GOE
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✓ Based: passesIt may state two separate claims as one.
In the paper
“The delay in the accumulation of free oxygen until the GOE has been explained by a strongly reducing atmosphere where initially produced oxygen was captured by oxygen sinks, such as reduced volcanic gases (Catling and Claire 2005).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Benefits of cyanobacterial multicellularity and its potential consequences for the GOE
What the sources say
- Not checked yetcites Catling and Claire 2005
Strength:plain· not yet calibratedCausal:direct· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes✗ Load-bearing: fails✓ Based: passesProbably not a substantial claim. The paper’s conclusions may not depend on it.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Furthermore, multicellularity could have provided novel possibilities for cyanobacterial diversification and adaptation to new oxygenated habitats.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Benefits of cyanobacterial multicellularity and its potential consequences for the GOE
Strength:hedged· not yet calibratedCausal:conditional· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes✗ Load-bearing: fails✗ Based: failsProbably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“As the only biological source of oxygen during the early Precambrian, cyanobacterial fitness and ecological success should have had a profound impact on the amount of free net oxygen in Earth's ocean and atmosphere.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Benefits of cyanobacterial multicellularity and its potential consequences for the GOE
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✗ Based: failsProbably not a substantial claim. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Comparisons of modern cyanobacterial taxa to Precambrian microfossils support the inferred presence of multicellular cyanobacteria before the GOE, but the fossil record does not provide evidence for multicellular taxa among the earliest unequivocal fossil assemblages at 3.33–3.45 Ga.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Conclusion
Load-bearingStrength:plain· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✓ Based: passesIt may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Multicellularity provides selective advantage during early Earth history including: (1) movement within microbial mats to avoid lethal UV‐C dosages; and (2) improved attachment to surfaces during initial mat formation that may have substantially increased the success of cyanobacterial‐dominated mat communities and enabled adaptation to novel habitats.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Conclusion
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes? Based: unclearIt may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Similarly, increased sizes of multicellular cyanobacteria may have resulted in higher metabolic rates, hence, higher photosynthetic activity and increased net oxygen production.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Benefits of cyanobacterial multicellularity and its potential consequences for the GOE
Tests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✗ Based: failsProbably not a substantial claim. The paper may give no reason why it holds. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Additionally, multicellular growth may have provided competitive advantages that resulted in a higher growth success (Fig. 6).”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Discussion > Benefits of cyanobacterial multicellularity and its potential consequences for the GOE
Strength:hedged· not yet calibratedCausal:conditional· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes✗ Load-bearing: fails✗ Based: failsProbably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Cyanobacteria originated in the mid‐Archean, long before the GOE, with multicellular taxa evolving towards the end of the Archean.”
§ Cyanobacteria and the Great Oxidation Event: evidence from genes and fossils > Conclusion
Load-bearingStrength:plain· not yet calibratedTests✓ Asserted: passes✓ Checkable: passes✓ Load-bearing: passes✓ Based: passesIt may state two separate claims as one.
The authors state this as an assumption.
The divergence of the Gloeobacter lineage from the stem lineage leading to all other extant cyanobacteria occurred between 3.85 and 2.918 Ga (analyses A, C) or between 3.85 and 2.45 Ga (analyses B, D).
“The divergence of Gloeobacter lineage from the stem lineage leading to the all other extant cyanobacterial species was assumed to have occurred some time between 3.85 and 2.918 Ga (Table 1, analyses A, C) or 3.85 and 2.45 Ga (Table 1, analyses B, D), with each time point being equally likely (uniform prior distribution).”
The authors state this as an assumption.
The most recent common ancestor of subsections IV and V cyanobacteria originated after the GOE but before 1.957 Ga.
“we assumed that the most recent common ancestor of subsections IV and V cyanobacteria must have originated after the GOE, but prior to 1.957 Ga.”
The authors state this as an assumption.
The end of the Late Heavy Bombardment at 3.85 Ga can be taken as a similar age for Earth.
“Given that the heavy lunar bombardment is estimated to have ended at 3.85 Ga, a similar age may be assumed for Earth given the proximity of the moon.”
The authors state this as an assumption.
Simple filamentous cyanobacterial taxa were present in 2.0-Gyr-old deposits.
“The assumptions that: (1) simple filamentous cyanobacterial taxa were present in 2.0‐Gyr‐old deposits; and (2) cyanobacteria were responsible for the accumulation of oxygen during the Archean, indicates an existence of multicellular cyanobacteria before the GOE.”
The authors state this as an assumption.
Cyanobacteria were responsible for the accumulation of oxygen during the Archean.
“The assumptions that: (1) simple filamentous cyanobacterial taxa were present in 2.0‐Gyr‐old deposits; and (2) cyanobacteria were responsible for the accumulation of oxygen during the Archean, indicates an existence of multicellular cyanobacteria before the GOE.”
Claims other papers make about this one
Each is checked against this paper’s own text: does it say what the citing paper says it does?
The cited source says what the claim attributes to it.
In the citing paper
“For example, cyanobacteria probably evolved [e.g., (3)] during this period”
From The Archean atmosphere (2020) · cites this paper as [3]
The cited source says what the claim attributes to it.
In the citing paper
“While some argue that oxygenic photosynthesis evolved only 50 to 100 Ma before the GOE (115), most studies suggest an earlier Paleoarchean or Mesoarchean age [e.g., (3, 118, 119)].”
From The Archean atmosphere (2020) · cites this paper as [3]
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
Each contradiction between two passages listed here was confirmed by an independent check.
Differentiated-clade calibration has two upper bounds
MajorThe methods specify an upper bound of 2.45 Ga for the subsections IV and V calibration, but Table 1 gives 2.32 Ga for that calibration in every analysis.
“We assumed a uniform prior calibration density between 1.957 and 2.45 Ga with 5% prior probability that posterior estimates may lie outside this interval (soft bounds).”
“| A, C | Section IV and V | Uniform (sb) | 1.957 | 2.32 | 1.957 | 2.32 |”
Root-calibration assignments are reversed
MajorThe text assigns the 2.918 Ga lower bound to analyses A and C and the 2.45 Ga bound to B and D. Table 1 assigns them the other way around.
“The divergence of Gloeobacter lineage from the stem lineage leading to the all other extant cyanobacterial species was assumed to have occurred some time between 3.85 and 2.918 Ga (Table 1, analyses A, C) or 3.85 and 2.45 Ga (Table 1, analyses B, D)”
“| A, C | Root | Uniform (hb) | 2.45 | 3.85 | 2.45 | 3.85 |”
Supermatrix length changes in the discussion
MinorThe discussion reports 197,766 amino acid sites, while the methods report 197,761 for the same supermatrix.
“an impressively large data set (197 766 amino acid sites)”
“the resultant 197 761 amino acid‐rich supermatrix”
Five stated multicellular strains are six listed strains
MinorThe sampling description says five multicellular strains were sequenced, but its list names six: one each under items 1, 2, 3 and 5, and two Pseudanabaena strains under item 4.
“and five multicellular strains belonging to the filamentous cyanobacteria without cellular differentiation”
“(1) Geitlerinema sp. PCC 8501; (2) Leptolyngbya sp. PCC 73110; (3) Limnothrix redekei PCC 9416; (4) Pseudanabaena sp. PCC 7704 and PCC 7904; and (5) Symploca sp. PCC 8002)”
Figure captions give a different narrow root bound
MinorThe figure caption gives 2.958 Ga as the lower bound of the narrow root calibration, whereas Table 1 gives 2.918 Ga.
“a narrower root calibration (3.85–2.958 Ga)”
“| B, D | Root | Uniform (hb) | 2.918 | 3.85 | 2.918 | 3.85 |”
q01 is assigned to both opposing transitions
MinorThe results define q01 as both the gain and loss of multicellularity. The methods instead define q01 as the gain and q10 as the transition back to unicellularity.
“where q01 defines the transition to multicellularity and q01 the loss of multicellularity.”
“q01 describes the transition to multicellularity and q10 the transition to unicellularity.”
Western Australian deposit is dated in Ma instead of Ga
MinorThe discussion dates the deposit containing Oscillatoriopsis to approximately 2.0 Ma. The methods describe the Western Australian deposit containing that fossil as approximately 2.0 Ga.
“In c. 2.0 Ma deposits from Western Australia, filaments of large size (63 μm in width) have been found and classified as Oscillatoriopsis majuscule (Knoll et al. 1988).”
“Deposits of similar age from the Duck Creek Dolomite in Western Australia (c. 2.0 Ga) contain several fossils similar to the multicellular cyanobacterial genus Lyngbya, named Oscillatoriopsis (Knoll et al. 1988).”
Figure 2 reverses the hypothesis labels
MinorFigure 2 calls an origin before the GOE Hypothesis 1 and an origin after it Hypothesis 2. The results define Hypothesis 1 as after the GOE and Hypothesis 2 as before it.
“Hypothesis 1: Multicellularity originated in cyanobacteria before the Great Oxidation Event (GOE)”
“an origin of multicellularity after the GOE as an adaptation to newly formed (oxygenated) habitats (Hypothesis 1); or (2) an origin of multicellularity before the GOE”
Citations
Cites
1 retracted
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Sorted by citations
Items 201–300 of 313
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InfluentialClassic Cambrian thrombolite reveals a 2.5 Gyr history of ministromatolites and their “ghost” clots
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The Relevance and Challenges of Studying Microbial Evolution
Rampelotto, P. H. (2018) · Grand challenges in biology and biotechnology · doi:10.1007/978-3-319-69078-0_1 · Cited by 1
“eliminated, opening up ecological “niches” for aerobic organisms to develop (Schirrmeister et al. 2015).”
BackgroundNegi, Y. K., Sharma, S. D., Sutradhar, N., et al. (2019) · Cited by 1
Radioprotective role of cyanobacterial phycobilisomesPreprint
Klementiev, K. E., Maksimov, E. G., Gvozdev, D. A., et al. (2018) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/281386 · Cited by 1
Lamparter, T., Babian, J., Fröhlich, K., et al. (2021) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/2021.03.22.436410 · Cited by 1
“0 billion years ago, cyanobacteria evolved oxygenic photosynthesis [1].”
BackgroundEcology and Biogeography of the Cyanobacteria
Jungblut, A. D. (2022) · Bergey's Manual of Systematics of Archaea and Bacteria · doi:10.1002/9781118960608.bm00037 · Cited by 1
Marine phosphate level during the Archean constrained by the global redox budgetPreprint
Watanabe, Y., Ozaki, K., & Tajika, E. (2024) · doi:10.22541/essoar.170561632.22376910/v1 · Cited by 1
The ancient evolution of far-red light photoacclimation in cyanobacteriaPreprint
Antonaru, L., Rad-Menéndez, C., Mbedi, S., Sparmann, S., Pope, M., Oliver, T., Wu, S., Green, D., Gugger, M., & Nürnberg, D. J. (2024) · bioRxiv · doi:10.1101/2024.05.15.594131 · Cited by 1
Self-citationStructure-based analysis unveils co-origin of LPOR and nitrogenase-like proteinsPreprint
Sun, X., Ma, L., Zeng, F., Hong, Y., Dixon, R. A., Rao, Z., Zhao, G., Zhao, J. F., Zhang, C., Wu, M., et al. (2025) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/2025.02.17.634645 · Cited by 2
Vilović, I., Goyal, J., Heller, R., & von Schauenburg, F. M. (2025) · Astronomische Nachrichten · doi:10.1002/asna.20240081
“Lastly, as previously mentioned, molecular oxygen (O 2 ) levels could increase from present-day 21% by volume on Earth to 25% to reflect a thriving photosynthetic biosphere (Schirrmeister et al. 2015).”
Robust Estimation of the Phylogenetic Origin of Plastids Using a tRNA-Based PhyloclassifierPreprint
Lawrence, T. J., Amrine, K. C. H., Swingley, W. D., et al. (2018) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/442608
“However, despite substantial progress on a robust cyanobacterial Tree of 11 Life (CyanoToL) [9, 39,45,47], the root of plastids within the CyanoToL remains 12 controversial.”
BackgroundBiogeochemical and phylogenetic signals of Proterozoic and Phanerozoic microbial metabolisms
Gruen, D. S. (2018) · Open Access Server of the Woods Hole Scientific Community (Woods Hole Scientific Community) · doi:10.1575/1912/10645
“Moreover, understanding the carbon cycle both in the past and today relies on an understanding of Earth's geochemical signals as well as life's biological signals (Knoll, 2017; Schirrmeister et al., 2015).”
BackgroundMethodInfluentialRobinson, B. R. H. (2019) · uO Research (University of Ottawa) · doi:10.20381/ruor-23712
Nikolaeva, N. A. (2019) · CONFERENCE MATERIALS · doi:10.18411/s-2019-72
The Thermosynechococcus genus: wide environmental distribution, but a highly conserved genomic corePreprint
Prondzinsky, A. P., Berkemer, S. J., Ward, L. M., et al. (2020) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/2020.10.20.346296
Improving cyanobacteria productivity: From theory to assay
Shabestary, K. (2020) · KTH Publication Database DiVA (KTH Royal Institute of Technology)
Breedon, S. A. (2021) · Carleton University's Institutional Repository (MacOdrum Library, Carleton University) · doi:10.22215/etd/2021-14738
PRODUCTION OF OXYGEN FROM AQUEOUS WATER USING THE PRINCIPLE OF INDUCED CURRENT
Director, I. S. S. B., Onn, L. K., Tong, K. K., et al. (2022) · MATTER International Journal of Science and Technology · doi:10.20319/mijst.2021.73.2943
Porins and TonB-like proteins in Anabaena sp. PCC 7120
Schätzle, H. (2022) · Publication Server of Goethe University Frankfurt am Main (Goethe University Frankfurt) · doi:10.21248/gups.66905
Crystal structure and functional peculiarities of a primordial Orange Carotenoid Protein (OCPX)Preprint
Slonimskiy, Y. B., Zupnik, A. O., Varfolomeeva, L. A., et al. (2022) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/2022.06.14.496144
A Computational Protocol for Dating the Evolution of Cyanobacteria
Zhang, H., Wang, S., & Luo, H. (2022) · Methods in molecular biology · doi:10.1007/978-1-0716-2691-7_2
The new hypothesis of evolutionPreprint
Arbab, M. Y. (2023) · doi:10.22541/au.167274604.45464290/v1
Kodru, S. (2022) · SZTE Repository of Dissertations (University of Szeged) · doi:10.14232/phd.11072
Heikenwälder, H. (2023) · Springer eBooks · doi:10.1007/978-3-662-67435-2_10
Темнов, М. С., Устинская, Я. В., Меронюк, К. И., et al. (2023) · Актуальная биотехнология · doi:10.20914/2304-4691-2023-2-41-45
Marine biofilms: cyanobacteria factories for the global oceansPreprint
Zhong, C., Yamanouchi, S., Li, Y., et al. (2024) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/2024.03.25.586614
How Entangled Is an Entangled Bank?
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.003.0006
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.002.0004
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.003.0011
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.002.0009
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.002.0008
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.003.0004
The Boundless Potential of Evolutionary Entanglements
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.003.0008
Venturing beyond the Red Queen
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.003.0010
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.002.0003
Wills, C. J. (2024) · doi:10.1093/oso/9780192887573.001.0001
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.002.0007
Swift Evolution in Tiny Entangled Banks
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.003.0007
Benefiting from the Bubbling Evolutionary Cauldrons
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.003.0009
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.003.0003
The Genetic Contents of the Evolutionary Cauldron
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.003.0005
Preserving the World’s Evolutionary Cauldrons
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.003.0012
How Darwin Brought Evolution and Ecology Together
Wills, C. J. (2024) · Oxford University Press eBooks · doi:10.1093/oso/9780192887573.003.0002
Evolution: Spectral speciation
Swingley, W. D. (2024) · Current Biology · doi:10.1016/j.cub.2024.06.008
Evolutionary Origins of Self-sustained Kai Protein Circadian OscillatorsPreprint
Mukaiyama, A., Furuike, Y., Ito-Miwa, K., Onoue, Y., Horiuchi, K., Yamashita, E., & Akiyama, S. (2024) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/2024.07.23.604570
Ecological Analysis of Cyanoprokaryotes of the Svalbard Archipelago
Давыдов, Д. А. (2024) · Contemporary Problems of Ecology · doi:10.1134/s1995425524700264
“Their ability to carry out oxygenic photosynthesis led to the Oxygen Catastro-phe, which was a global change in the composition of the Earth’s atmosphere ∼ 2.4–2 billion years ago (Dvořák et al., 2014; Lyons et al., 2014; Schirrmeister et al., 2015).”
InfluentialBiological Energy Transformation
Knoflacher, M. (2024) · Springer eBooks · doi:10.1007/978-3-662-69423-7_7 · Cited by 1
Imbalances: Sources of All Change
Knoflacher, M. (2024) · Springer eBooks · doi:10.1007/978-3-662-69423-7_8
Valladares, A., & Antonia Herrero, B. (2024) · doi:10.22541/au.172454833.33312742/v1
Smith, T. J., Parry, L. A., Dunn, F. S., & Garwood, R. J. (2024) · Palaeontology · doi:10.1111/pala.12701 · Cited by 1
“The Great Oxygenation Event, which resulted in a fundamental shift in the composition of Earth’s atmosphere, is associated with the evolution of photosystems in cyanobacteria (Schirrmeister et al .”
Forests in the future - No forest, no future
Zanella, A. (2024) · Forest - Rivista di Selvicoltura ed Ecologia Forestale · doi:10.3832/efor4729-021
Furness, E. N., & Mitchell, E. G. (2025) · Precambrian Research · doi:10.1016/j.precamres.2025.107702 · Cited by 1
“Major evolutionary innovations frequently cause large changes in their abiotic environments (Schirrmeister et al., 2015; McMahon and Davies, 2018).”
Ma, J., You, X., Sun, S., & Sui, S.-F. (2025) · doi:10.1101/2025.05.12.653420 · Cited by 4
Dysregulated Iron Dynamics in Cancer
Toyokuni, S., & Kong, Y. (2025) · Royal Society of Chemistry eBooks · doi:10.1039/9781837677979-00020
Oxygen and Adult Eye Diseases: Physiology and Pathophysiology
Golmohammadi, M., Gauthier, D. A., Elmaseh, S. A., & Sadun, A. A. (2025) · Advances in Ophthalmology and Optometry · doi:10.1016/j.yaoo.2025.03.003
Calcified cyanobacteria from the Upper Ediacaran of South China
Zhong, Y., Liu, G., Dong, Y., & Algeo, T. J. (2025) · Frontiers in Marine Science · doi:10.3389/fmars.2025.1627553
Anudarsh, S., Jadhav, D. B., & Roy, S. (2025) · bioRxiv (Cold Spring Harbor Laboratory) · doi:10.1101/2025.09.28.679013
Origins and early evolution of photosynthetic eukaryotes
Ponce-Toledo, R. I. (2018) · theses.fr (ABES) · doi:10.70675/e80da54ez4400z4af2z90ccza6b6fb5b6bc7
“4 bya may have been favored by the evolution of multicellular cyanobacterial lineages (Schirrmeister et al., 2015).”
Background
Metadata
- Authors
- Schirrmeister, B. E., Gugger, M., & Donoghue, P. C. J.
- Affiliations
- University of Bristol (GB)
- Institut Pasteur (FR)
- Venue
- Palaeontology
- Publisher
- Wiley
- Published
- 2015-06-23
- Volume
- 58
- Issue
- 5
- Pages
- 769-785
- ISSN
- 0031-0239 (ISSN-L)
- 1475-4983
- PMC
- PMC4755140
- OpenAlex
- W1831957949
- Semantic Scholar
- 6e03cd37924a78a193bde6f1580e42699eee46c3
- Cited by
- 304
- References
- 102
- Citations by year
- 2026: 24 · 2025: 29 · 2024: 54 · 2023: 31 · 2022: 30 · 2021: 25 · 2020: 21 · 2019: 32 · 2018: 28 · 2017: 18 · 2016: 8 · 2015: 4
- FWCI
- 8.40
- Type
- journal article
- Language
- en
- Update notices
- correction (2015-08-14)
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Palaeontology (publishedVersion, cc-by)
- Europe PMC (PubMed Central) (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Explore Bristol Research (publishedVersion, cc-by)
- HAL (submittedVersion, cc-by)
- Bristol Research (University of Bristol) (submittedVersion, cc-by)
- Funders
- Biotechnology and Biological Sciences Research Council (BB/J00538X/1)
- European Commission (FP7 - PEOPLE - 2012 - IEF) (PIEF-GA-2012-330849)
- Swiss National Science Foundation (PBZHP3_147232)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Protist diversity and phylogeny
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Photosynthetic Processes and Mechanisms
- Keywords
- cyanobacteria, Great Oxidation Event, multicellularity, cyanobacterial evolution, Archean, phylogenomics, character reconstruction, cyanobacterial genome, cyanobacterial diversity
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