ArticleScientific reports2019
The β-oxidation pathway is downregulated during diapause termination in Calanus copepods.
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 6 papers.
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Who cites it
6 citing papers in PubMed, 14 citations in OpenAlex.
- Mechanisms of Diapause in Major Crustacean Taxa: Environmental Cues, Gene Regulation, and Adaptive Strategies.Biology · 2026Review
- Copepod Lipidomics: Fatty Acid Substituents of Structural Lipids inLife (Basel, Switzerland) · 2024Article
- Insights into the species evolution ofEcology and evolution · 2022Article
- Resilience of cold-water coral holobionts to thermal stress.Proceedings. Biological sciences · 2021Article
- Lipid metabolism in Calanus finmarchicus is sensitive to variations in predation risk and food availability.Scientific reports · 2020Article
- Gene expression in diapausing rotifer eggs in response to divergent environmental predictability regimes.Scientific reports · 2020Article
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Authors and funding
9 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Calanus copepods are keystone species in marine ecosystems, mainly due to their high lipid content, which is a nutritious food source for e.g. juvenile fish. Accumulated lipids are catabolized to meet energy requirements during dormancy (diapause), which occurs during the last copepodite stage (C5). The current knowledge of lipid degradation pathways during diapause termination is limited. We characterized changes in lipid fullness and generated transcriptional profiles in C5s during termination of diapause and progression towards adulthood. Lipid fullness of C5s declined linearly during developmental progression, but more β-oxidation genes were upregulated in early C5s compared to late C5s and adults. We identified four possible master regulators of energy metabolism, which all were generally upregulated in early C5s, compared to late C5s and adults. We discovered that one of two enzymes in the carnitine shuttle is absent from the calanoid copepod lineage. Based on the geographical location of the sampling site, the field-samples were initially presumed to consist of C. finmarchicus. However, the identification of C. glacialis in some samples underlines the need for performing molecular analyses to reliably identify Calanus species. Our findings contributes to a better understanding of molecular events occurring during diapause and diapause termination in calanoid copepods.
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