ArticleScientific reports2017
A damping circadian clock drives weak oscillations in metabolism and locomotor activity of aphids (Acyrthosiphon pisum).
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Article
- Drosophila ezoana uses morning and evening oscillators to adjust its rhythmic activity to different daylengths but only the morning oscillator to measure night length for photoperiodic responses.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2024Article
- The circadian and photoperiodic clock of the pea aphid.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2024Review
- Part-night exposure to artificial light at night has more detrimental effects on aphid colonies than fully lit nights.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2023Article
- Pigment-dispersing factor is present in circadian clock neurons of pea aphids and may mediate photoperiodic signalling to insulin-producing cells.Open biology · 2023Article
- Evolution of self-sustained circadian rhythms is facilitated by seasonal change of daylight.Proceedings. Biological sciences · 2022Article
- The PAICE suite reveals circadian posttranscriptional timing of noncoding RNAs and spliceosome components in Mus musculus macrophages.G3 (Bethesda, Md.) · 2022Article
- Post-acquisition effects of viruses on vector behavior are important components of manipulation strategies.Oecologia · 2020Article
- Light input pathways to the circadian clock of insects with an emphasis on the fruit fly Drosophila melanogaster.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2020Review
- ECHO: an application for detection and analysis of oscillators identifies metabolic regulation on genome-wide circadian output.Bioinformatics (Oxford, England) · 2020Article
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5 authors.
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Abstract
Timing seasonal events, like reproduction or diapause, is crucial for the survival of many species. Global change causes phenologies worldwide to shift, which requires a mechanistic explanation of seasonal time measurement. Day length (photoperiod) is a reliable indicator of winter arrival, but it remains unclear how exactly species measure day length. A reference for time of day could be provided by a circadian clock, by an hourglass clock, or, as some newer models suggest, by a damped circadian clock. However, damping of clock outputs has so far been rarely observed. To study putative clock outputs of Acyrthosiphon pisum aphids, we raised individual nymphs on coloured artificial diet, and measured rhythms in metabolic activity in light-dark illumination cycles of 16:08 hours (LD) and constant conditions (DD). In addition, we kept individuals in a novel monitoring setup and measured locomotor activity. We found that A. pisum is day-active in LD, potentially with a bimodal distribution. In constant darkness rhythmicity of locomotor behaviour persisted in some individuals, but patterns were mostly complex with several predominant periods. Metabolic activity, on the other hand, damped quickly. A damped circadian clock, potentially driven by multiple oscillator populations, is the most likely explanation of our results.
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