The clock gene period is essential for the photoperiodic response in the jewel wasp Nasonia vitripennis (Hymenoptera: Pteromalidae)

Mukai, Ayumu; Goto, Shin G.

doi:10.1007/s13355-015-0384-1

Cited by 64 publications

(36 citation statements)

References 38 publications

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“…These results, however, do not elucidate the role of period allelic variation. As we show here that variation in period correlates with variation in switch point for diapause induction, our results, combined with the study of Mukai & Goto (), strongly justify to further investigating the functional genetics behind the role of period allelic variation in adaptive photoperiodic diapause induction.…”

Section: Discussionsupporting

confidence: 78%

“…However, the per RNAi wasps were still able to induce diapause in their offspring when they were exposed to low temperature (which is known to trigger diapause). These results show that period affects the perception of the photoperiod, but is not involved in the maternal physiological mechanisms that lead to the production of diapausing offspring (Mukai & Goto ). These results, however, do not elucidate the role of period allelic variation.…”

Section: Discussionmentioning

confidence: 88%

“…Photoperiodism in Nasonia has received considerable attention in the past (Saunders 1965(Saunders , 1966(Saunders , 1970, and recently, Bertossa et al (2014) showed the oscillating expression of period in Nasonia under different photoperiods. Additionally, while this study was being prepared, Mukai & Goto (2016) reported a functional involvement of period in photoperiodic diapause response in Nasonia vitripennis, using an RNAi approach. They demonstrated that period knockdown in adult females leads to a significantly lower proportion of diapausing offspring when exposed to short photoperiods with a later switch point compared to the control group.…”

Section: Discussionmentioning

confidence: 99%

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QTL analysis of the photoperiodic response and clinal distribution of period alleles in Nasonia vitripennis

et al. 2016

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In seasonal environments, organisms synchronize their life cycle with the annual cycle of environmental factors. In many insect species, this includes a diapause response: a timed dormant stage that allows to survive harsh winter conditions. Previously, we have shown that larval diapause in the parasitic wasp Nasonia vitripennis is induced by the mother upon exposure to a threshold number of short photoperiods (named switch point) and diapause response follows a latitudinal cline in natural populations. Here, we present a QTL analysis using two lines derived from the extremes of this clinal distribution: a northern line from Oulu, Finland and a southern line from Corsica, France. A genomic region on chromosome 1 and one on chromosome 5 were found to be associated with photoperiodic diapause induction. Interestingly, these regions contain the putative clock genes period, cycle (chromosome 1) and cryptochrome (chromosome 5). An analysis of period polymorphisms in seven European populations showed a clinal distribution of two main haplotypes that correlate with the latitudinal cline for diapause induction.

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Section: Discussionsupporting

confidence: 78%

Section: Discussionmentioning

confidence: 88%

Section: Discussionmentioning

confidence: 99%

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QTL analysis of the photoperiodic response and clinal distribution of period alleles in Nasonia vitripennis

et al. 2016

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“…The regulation of seasonal photoperiodism is strongly related to the system governing circadian rhythms in insects (B€ unning, 1960;Goto, 2013;Dolezel, 2015). Recently, RNA interference approaches have demonstrated the role of some circadian clock genes in diapause expression of Nasonia vitripennis (Walker) (Mukai & Goto, 2016). In the pea aphid, Acyrthosiphon pisum (Harris), it has been demonstrated that the genes involved in the circadian rhythmsin particular per, Clock, cycle, and timelesswere also involved in the photoperiodic control of the induction of sexual morphs, that lay overwintering diapausing eggs (Cort es et al, 2010).…”

Section: Genetics Of Diapausementioning

confidence: 99%

Diapause research in insects: historical review and recent work perspectives

Tougeron

2019

Entomologia Exp Applicata

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All organisms on Earth have evolved biological rhythms to face alternation of periods of favorable and unfavorable environmental conditions, at various temporal scales. Diapause is a state of seasonal dormancy adapted to recurring periods of adverse environmental conditions and triggered by biotic and abiotic factors that precede the arrival of these conditions. Several monographs already review the mechanisms of diapause expression in arthropods, from initiation to termination phases. Rather than adding another review to the literature on this topic, this paper primarily aims to link past concepts on seasonal strategies with new perspective on diapause research in arthropods. By focusing on insects, I examine the legacy of diapause history research in terrestrial arthropods since antiquity but mostly over the past 3 centuries, its contribution to the understanding of insect seasonal ecology, and I explore some of the reasons why it is still relevant to study diapause. I highlight some of the topical issues on which current work focuses to better understand and integrate arthropod diapause with their ecology, especially in the climate change context and for the provision of ecosystem services.

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“…In these cells, ‘clock genes’ such as period ( per ), timeless ( tim ), cycle ( cyc ) and Clock ( Clk ) are expressed and establish a few interlocked negative‐feedback loops (Tomioka & Matsumoto, ; Tataroglu & Emery, ). Several studies adopt gene silencing using RNA interference (RNAi) directed against clock genes, revealing their involvement in the photoperiodic responses (Sakamoto et al ., ; Ikeno et al ., , , , , ; Mohamed et al ., ; Meuti et al ., ; Mukai & Goto, ; Urbanová et al ., ; Kotwica‐Rolinska et al ., ). For example, Ikeno et al .…”

Section: Introductionmentioning

confidence: 99%

Roles of the circadian clock and endocrine regulator in the photoperiodic response of the brown‐winged green bug Plautia stali

2018

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The physiological mechanisms underlying photoperiodism in insects have been studied extensively, although the associated molecular machinery remains largely unknown. In the present study, we investigate the roles of the circadian clock gene cycle (cyc) and the endocrine regulator gene myoinhibitory peptide (Mip) in the photoperiodic response of the brown‐winged green bug Plautia stali Scott (Hemiptera, Pentatomidae). Typically, adult females of this species develop their ovaries under long‐day conditions, whereas they suppress its development under short‐day conditions. We find that RNA interference (RNAi) directed against cyc causes malfunction of the circadian clock governing the locomotor activity rhythm and yields abnormal activity profiles not only under constant darkness, but also under light/dark conditions. RNAi directed against cyc and Mip disrupts the photoperiodic response in ovarian development. cyc RNAi suppresses the ovarian development even under long‐day conditions, whereas Mip RNAi induces it even under short‐day conditions. We propose that the core circadian clock gene cyc regulates the photoperiodic response and that Mip is the causal regulator of juvenile hormone biosynthesis in the corpus allatum. Neither photoperiod, nor cyc RNAi affect Mip mRNA levels, and therefore it remains unknown how the photoperiodic information is processed and mediated by Mip.

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The clock gene period is essential for the photoperiodic response in the jewel wasp Nasonia vitripennis (Hymenoptera: Pteromalidae)

Abstract: This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 URI

Cited by 64 publications

References 38 publications

QTL analysis of the photoperiodic response and clinal distribution of period alleles in Nasonia vitripennis

QTL analysis of the photoperiodic response and clinal distribution of period alleles in Nasonia vitripennis

Diapause research in insects: historical review and recent work perspectives

Roles of the circadian clock and endocrine regulator in the photoperiodic response of the brown‐winged green bug Plautia stali

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