Cited by 109Circadian rhythm and melatoninPhysiological and biochemical adaptationsNeurobiology and Insect Physiology Research

The genomic basis of circadian and circalunar timing adaptations in a midge

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Kaiser, Tobias S., Poehn, Birgit, Szkiba, David, Preussner, Marco, Sedlazeck, Fritz J., Zrim, Alexander, Neumann, Tobias, Nguyen, Lam-Tung +7 more·2016·Nature

Abstract

Organisms use endogenous clocks to anticipate regular environmental cycles, such as days and tides. Natural variants resulting in differently timed behaviour or physiology, known as chronotypes in humans, have not been well characterized at the molecular level. We sequenced the genome of Clunio marinus, a marine midge whose reproduction is timed by circadian and circalunar clocks. Midges from different locations show strain-specific genetic timing adaptations. We examined genetic variation in five C. marinus strains from different locations and mapped quantitative trait loci for circalunar and circadian chronotypes. The region most strongly associated with circadian chronotypes generates strain-specific differences in the abundance of calcium/calmodulin-dependent kinase II.1 (CaMKII.1) splice variants. As equivalent variants were shown to alter CaMKII activity in Drosophila melanogaster, and C. marinus (Cma)-CaMKII.1 increases the transcriptional activity of the dimer of the circadian proteins Cma-CLOCK and Cma-CYCLE, we suggest that modulation of alternative splicing is a mechanism for natural adaptation in circadian timing.

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  • One of the two QTLs linked to circalunar timing overlaps largely with one of the two circadian QTLs in Clunio marinus.

    “Interestingly, one of the two quantitative trait loci (QTLs) linked to circalunar timing overlaps largely with one of the two circadian QTLs [46]”
  • The mapping of all known genes with key roles in circadian timing or light input pathways revealed their complete absence from these QTLs in Clunio marinus.

    “However, the mapping of all known genes with key roles in circadian timing or light input pathways revealed their complete absence from these QTLs [46]”
  • Genetic linkage analysis identified two specific chromosomal regions responsible for diurnal emergence and two related to lunar timing in Clunio marinus.

    “Genetic linkage analysis identified two specific chromosomal regions responsible for diurnal emergence and two related to lunar timing.”
  • Current analysis in C. marinus is consistent with the idea that circadian and circalunar timing mechanisms are distinct, as none of the core circadian clock genes is involved in circalunar timing variation.

    “Interestingly, the current analysis in the midge is consistent with the idea that circadian and circalunar timing mechanisms are distinct, as none of the core circadian clock genes is involved in circalunar timing variation (29).”

    From An Overview of Monthly Rhythms and Clocks (2017) · cites this paper as [29]

  • Combining genetic mapping of timing differences with a high-resolution genome and re-sequencing of distinct chronotypes has allowed identification of several candidate genes modulating circalunar (and circadian) timing in distinct C. marinus timing strains.

    “Combining rigorous genetic mapping of these differences with a high-resolution genome for this insect, as well as re-sequencing of distinct chronotypes, has recently allowed the identification of several candidate genes modulating circalunar (and circadian) timing in distinct C. marinus timing strains (29).”

    From An Overview of Monthly Rhythms and Clocks (2017) · cites this paper as [29]

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Research works printed but not linked: 2

  1. [66]Crawley, M. J. The R Book. (John Wiley & Sons Ltd., 2007)
  2. [76]Heimbach, F. Semilunare und diurnale Schlüpfrhythmen südenglischer und norwegischer Clunio-Populationen (Diptera, Chironomidae) PhD thesis, Universität Köln (1976)

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Authors
Kaiser, T. S., Poehn, B., Szkiba, D., Preussner, M., Sedlazeck, F. J., Zrim, A., Neumann, T., Nguyen, L.-T., Betancourt, A. J., Hummel, T., Vogel, H., Dorner, S., Heyd, F., von Haeseler, A., & Tessmar-Raible, K.
Affiliations
  • University of Vienna (AT)
  • Freie Universität Berlin (DE)
  • University of Veterinary Medicine Vienna (AT)
  • Max Planck Institute for Chemical Ecology (DE)
Corresponding author
Kaiser, Tobias S.
Venue
Nature
Published
2016-11-21
Volume
540
Issue
7631
Pages
69-73
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2555773426
Cited by
109
References
74
Citations by year
2026: 2 · 2025: 13 · 2024: 9 · 2023: 7 · 2022: 19 · 2021: 16 · 2020: 11 · 2019: 12 · 2018: 11 · 2017: 9
FWCI
6.79
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Max Planck Digital Library (submittedVersion)
  • Max Planck Digital Library (submittedVersion, other-oa)
  • MPG.PuRe (Max Planck Society) (submittedVersion)
  • Refubium (Universitätsbibliothek der Freien Universität Berlin) (submittedVersion, cc-by)
  • Universitätsbibliothek der FU Berlin Hochschulschriftenstelle u. Dokumentenserver (cc-by)
Funders
  • Deutsche Forschungsgemeinschaft (FP7/2007–2013, HE5398/4)
  • Austrian Science Fund (#AY0041321)
  • Universität Wien (I059-N)
  • FP7 Ideas: European Research Council (337011)
Topics
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Circadian rhythm and melatonin
  • Physical Sciences › Environmental Science › Ecology › Physiological and biochemical adaptations
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
Keywords
Clunio marinus, circadian clock, chronotype, alternative splicing, calcium/calmodulin-dependent kinase II, quantitative trait loci, natural genetic variation, Drosophila melanogaster
MeSH terms
Acclimatization, Animals, Chironomidae, Circadian Rhythm, Drosophila melanogaster, Male, Phenotype, Reproduction, Species Specificity, Time Factors, Transcription, Genetic, Genetic Variation, Moon, Alternative Splicing, Genomics, Quantitative Trait Loci, Genome, Insect, Calcium-Calmodulin-Dependent Protein Kinase Type 2, Tidal Waves, Genetic Association Studies, CLOCK Proteins, Circadian Clocks

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