Genome Sequence of the Edible Cyanobacterium Arthrospira sp. PCC 8005
Open accessAbstract
We determined the genome sequence of Arthrospira sp. PCC 8005, a cyanobacterial strain of great interest to the European Space Agency for its nutritive value and oxygenic properties in the Micro-Ecological Life Support System Alternative (MELiSSA) biological life support system for long-term manned missions into space.
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The circular chromosome of A. platensis YZ is 6.62 Mb in size and contains 6784 protein-coding genes, 6711 of which have been annotated.
“Its circular chromosome is 6.62 Mb in size and contains 6784 protein-coding genes, 6711 of which have been annotated [124].”
From Spirulina/Arthrospira/Limnospira—Three Names of the Single Organism (2024) · cites this paper as [124]
The genome-sequence passage (Abstract) reports results for Arthrospira sp. PCC 8005, not A. platensis YZ. It gives an assembly of 6,279,260 bases and 5,856 predicted protein-coding sequences, contrary to the cited sentence’s 6.62 Mb and 6,784 genes; it does not report 6,711 annotated genes. (LLM, conf=0.90)
Checked by a reasoning model — may be wrong.
Experimental — accuracy not yet measuredThese Arthrospira genomes have many repetitive sequences (e.g., group II introns).
“These genomes have many repetitive sequences (e.g., group II introns)”
From The Draft Genome of a Hydrogen-producing Cyanobacterium, <i>Arthrospira platensis</i> NIES-46 (2019) · cites this paper as [10]
The genome-description passage in our copy (labeled Abstract; page not provided) says Arthrospira sp. PCC 8005 is highly repetitive, with more than 300 kb of tandem sequences. It does not identify group II introns, and it characterizes this one genome rather than establishing the claim for multiple Arthrospira genomes. (LLM, conf=0.88)
Experimental — accuracy not yet measuredSeveral genomes from genus Arthrospira that belong to geographically distinct lineages have been nearly completely recovered by independent sequencing and assembly into single super-scaffolds, including A. platensis NIES-39, Arthrospira sp. PCC 8005 and A. platensis C1.
“In the past 6 years, several genomes from genus Arthrospira that belong to geographically distinct lineages have been nearly completely recovered by independent sequencing and assembly into single super-scaffolds, respectively, including A. platensis NIES-39, Arthrospira sp. PCC 8005 and A. platensis C1.”
From Whole genomic DNA sequencing and comparative genomic analysis of<i>Arthrospira platensis</i>: high genome plasticity and genetic diversity (2016) · cites this paper as [7]
The Abstract reports sequencing and assembling the Arthrospira sp. PCC 8005 genome, supporting its inclusion as a sequenced genome. It says the final assembly comprised 119 contigs in 16 scaffolds, not a single super-scaffold. The paper does not report assemblies of A. platensis NIES-39 or C1 or establish geographically distinct lineages. (LLM, conf=0.88)
Experimental — accuracy not yet measuredIn silico hybridization identified 100 genes specific for A. platensis strain YZ, 82 of which encoded unknown proteins.
“In silico hybridization identified 100 genes specific for A. platensis strain YZ, 82 of which encoded unknown proteins [124].”
From Spirulina/Arthrospira/Limnospira—Three Names of the Single Organism (2024) · cites this paper as [124]
The genome-sequence passage (page unavailable) reports annotations for Arthrospira sp. PCC 8005, not A. platensis strain YZ. Searches for in silico hybridization, strain YZ, and the counts of 100 genes and 82 unknown proteins found no passage addressing the claim. (LLM, conf=0.78)
Experimental — accuracy not yet measuredComparative analysis of known spirulina genomes revealed that the unique DNA regions in Arthrospira sp. PCC 8005 and A. platensis C1 were markedly reduced relative to that in A. platensis YZ and A. platensis NIES-39.
“Comparative analysis of the known spirulina genomes revealed that the unique DNA regions in Arthrospira sp. PCC 8005 and A. platensis C1 were markedly reduced relative to that in A. platensis YZ and A. platensis NIES-39.”
From Spirulina/Arthrospira/Limnospira—Three Names of the Single Organism (2024) · cites this paper as [124]
The genome-description passage (page not specified in our copy) compares PCC 8005 with Arthrospira maxima CS-328 and Lyngbya PCC8106 for synteny, not unique DNA regions. Searches for C1, YZ, NIES-39, and unique genomic regions found no passage addressing the claimed four-strain comparison. (LLM, conf=0.76)
Experimental — accuracy not yet measured
The genome sequence of A. platensis YZ had two sets of rRNA genes and 39 tRNA genes, all of which were predicted to translate 19 distinct amino acids except for lysine.
“The genome sequence had two sets of rRNA genes and 39 tRNA genes, all of which were predicted to translate 19 distinct amino acids except for lysine.”
From Spirulina/Arthrospira/Limnospira—Three Names of the Single Organism (2024) · cites this paper as [124]
The genome-sequencing passage (section labeled Abstract; page unavailable) concerns Arthrospira sp. PCC 8005, not A. platensis YZ, and reports 176 RNA-encoding genes without breaking them down into rRNA or tRNA counts. Searches for 39 tRNA genes, two rRNA gene sets, and the lysine exception found no passage in our copy addressing those details. (LLM, conf=0.75)
Experimental — accuracy not yet measuredThe lysine tRNA gene is most likely hidden in a small, yet unsequenced portion of the A. platensis YZ genome.
“The latter is most likely hidden in a small, yet unsequenced portion of the genome.”
From Spirulina/Arthrospira/Limnospira—Three Names of the Single Organism (2024) · cites this paper as [124]
The genome-sequencing passage (section labeled Abstract; page unavailable) describes Arthrospira sp. PCC 8005 assembled into contigs and scaffolds, not A. platensis YZ. Searches for lysine tRNA and an unsequenced portion found no passage in our copy addressing whether that gene is hidden in the YZ genome. (LLM, conf=0.76)
Experimental — accuracy not yet measuredA. platensis YZ was isolated from Chenghai Lake in Yunnan Province, China.
“A. platensis YZ, a spirulina species, was isolated from Chenghai Lake in Yunnan Province, China.”
From Spirulina/Arthrospira/Limnospira—Three Names of the Single Organism (2024) · cites this paper as [124]
The paper’s Abstract discusses Arthrospira sp. PCC 8005, not A. platensis YZ. Searches for A. platensis YZ and its isolation from Chenghai Lake in Yunnan found no passage addressing that claim. (LLM, conf=0.75)
Experimental — accuracy not yet measuredThese Arthrospira genomes have a wide variety of restriction-modification systems.
“and a wide variety of restriction-modification systems 8-10.”
From The Draft Genome of a Hydrogen-producing Cyanobacterium, <i>Arthrospira platensis</i> NIES-46 (2019) · cites this paper as [10]
The genome-description passage (section labeled Abstract; page unavailable) reports CRISPRs and insertion elements, but does not discuss restriction-modification systems. Searches for “restriction-modification systems” and related restriction and methylation terms found no passage addressing their variety in Arthrospira genomes. (LLM, conf=0.76)
Experimental — accuracy not yet measured
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“In silico hybridization identified 100 genes specific for A. platensis strain YZ, 82 of which encoded unknown proteins [124].”
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- Authors
- Janssen, P. J., Morin, N., Mergeay, M., Leroy, B., Wattiez, R., Vallaeys, T., Waleron, K., Waleron, M., Wilmotte, A., Quillardet, P., de Marsac, N. T., Talla, E., Zhang, C.-C., & Leys, N.
- Affiliations
- Belgian Nuclear Research Centre (BE)
- University of Mons (BE)
- Centre National de la Recherche Scientifique (FR)
- University of Gdańsk (PL)
- University of Liège (BE)
- Unité des Cyanobactéries, CNRS-URA2172, Institut Pasteur, F-75015, Paris, France
- Corresponding author
- Janssen, P. J.
- ORCID
- Venue
- Journal of Bacteriology
- Publisher
- American Society for Microbiology
- Published
- 2010-05
- Volume
- 192
- Issue
- 9
- Pages
- 2465-2466
- ISSN
- 0021-9193 (ISSN-L)
- 1098-5530
- PMC
- PMC2863490
- OpenAlex
- W2164247523
- Cited by
- 47
- References
- 10
- Citations by year
- 2025: 2 · 2024: 5 · 2023: 1 · 2022: 3 · 2021: 6 · 2020: 1 · 2019: 2 · 2017: 5 · 2016: 4 · 2015: 4 · 2014: 6 · 2013: 1 · 2012: 5
- FWCI
- 1.20
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Journal of Bacteriology (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- ORBi (University of Liège) (submittedVersion, other-oa)
- HAL (submittedVersion, other-oa)
- ORBi UMONS (submittedVersion)
- SCK CEN Institutional Repository (submittedVersion)
- Funders
- European Space Agency
- Fonds De La Recherche Scientifique - FNRS
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Biocrusts and Microbial Ecology
- Keywords
- Arthrospira, cyanobacteria, genome sequence, Melissa, space missions, oxygen production, nutritional value
- MeSH terms
- Cyanobacteria, Molecular Sequence Data, Genome, Bacterial, Sequence Analysis, DNA
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