ArticleScientific reports2019
Analysis of the circadian transcriptome of the Antarctic krill Euphausia superba.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 26 citations in OpenAlex.
- The Period (Animals : an open access journal from MDPI · 2026Article
- Article
- Functional characterization of the second feedback loop in the circadian clock of the Antarctic krill Euphausia superba.BMC biology · 2024Article
- Ecological genomics in the Northern krill uncovers loci for local adaptation across ocean basins.Nature communications · 2024Article
- Plasticity and seasonality of the vertical migration behaviour of Antarctic krill using acoustic data from fishing vessels.Royal Society open science · 2023Article
- RNA sequencing indicates widespread conservation of circadian clocks in marine zooplankton.NAR genomics and bioinformatics · 2023Article
- Time-course RNASeq of Camponotus floridanus forager and nurse ant brains indicate links between plasticity in the biological clock and behavioral division of labor.BMC genomics · 2022Article
- Photophysiological cycles in Arctic krill are entrained by weak midday twilight during the Polar Night.PLoS biology · 2021Article
- Widely rhythmic transcriptome iniScience · 2021Article
- Modeling the role of gravitation in metabolic processes.Communicative & integrative biology · 2021Article
- Diversity of Light Sensing Molecules and Their Expression During the Embryogenesis of the Cuttlefish (Frontiers in physiology · 2020Article
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Authors and funding
8 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Antarctic krill (Euphausia superba) is a high latitude pelagic organism which plays a central role in the Southern Ocean ecosystem. E. superba shows daily and seasonal rhythms in physiology and behaviour, which are synchronized with the environmental cycles of its habitat. Recently, the main components of the krill circadian machinery have been identified and characterized. However, the exact mechanisms through which the endogenous timing system operates the control and regulation of the overt rhythms remains only partially understood. Here we investigate the involvement of the circadian clock in the temporal orchestration of gene expression by using a newly developed version of a krill microarray platform. The analysis of transcriptome data from krill exposed to both light-dark cycles (LD 18:6) and constant darkness (DD), has led to the identification of 1,564 putative clock-controlled genes. A remarkably large proportion of such genes, including several clock components (clock, period, cry2, vrille, and slimb), show oscillatory expression patterns in DD, with a periodicity shorter than 24 hours. Energy-storage pathways appear to be regulated by the endogenous clock in accordance with their ecological relevance in daily energy managing and overwintering. Our results provide the first representation of the krill circadian transcriptome under laboratory, free-running conditions.
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