Population divergence in pheromone communication for mate choice of Tribolium castaneum and its association with gut bacteria

Wang, Zhengyan; Zhao, Yaru; Wang, Yan; Lu, Yujie

doi:10.1007/s10340-023-01632-6

Cited by 2 publications

(1 citation statement)

References 47 publications

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“…The evening anticipation aligns well with the time of day when mating rates of the T.castaneum reach their maximum (Z. Wang et al, 2023). In red flour beetles, males initiate the copulatory behavior and must mate multiple times to ensure fertilization success, especially because of the last male sperm precedence (Fedina and Lewis, 2008).…”

Section: Discussionsupporting

confidence: 63%

Deciphering a beetle clock: individual and sex-dependent variation in daily activity patterns

Prüser,

Schulz

et al. 2024

Preprint

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Circadian clocks are inherent to most organisms, including cryptozoic animals that seldom encounter direct light, and regulate their daily activity cycles. A conserved suite of clock genes underpins these rhythms. In this study, we explore the circadian behaviors of the red flour beetleTribolium castaneum, a significant pest impacting stored grain globally. We report on how daily light and temperature cues synchronize distinct activity patterns in these beetles, characterized by reduced morning activity and increased evening activity, anticipating the respective environmental transitions. Although less robust, rhythmicity in locomotor activity is maintained in constant dark and constant light conditions. Notably, we observed more robust rhythmic behaviors in males than females with individual variations exceeding those previously reported for other insect species. RNA interference targeting theClockgene disrupted locomotor activity rhythms. Our findings demonstrate the existence of a circadian clock and of clock-controlled behaviors inT. castaneum. Furthermore, they highlight substantial individual differences in circadian activity, laying the groundwork for future research on the relevance of individual variation in circadian rhythms in an ecological and evolutionary context.

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Section: Discussionsupporting

confidence: 63%

Deciphering a beetle clock: individual and sex-dependent variation in daily activity patterns

Prüser,

Schulz

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

Deciphering a Beetle Clock: Individual and Sex-Dependent Variation in Daily Activity Patterns

Prüser,

Schulz

et al. 2024

J Biol Rhythms

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Circadian clocks are inherent to most organisms, including cryptozoic animals that seldom encounter direct light, and regulate their daily activity cycles. A conserved suite of clock genes underpins these rhythms. In this study, we explore the circadian behaviors of the red flour beetle Tribolium castaneum, a significant pest impacting stored grain globally. We report on how daily light and temperature cues synchronize distinct activity patterns in these beetles, characterized by reduced morning activity and increased evening activity, anticipating the respective environmental transitions. Although less robust, rhythmicity in locomotor activity is maintained in constant dark and constant light conditions. Notably, we observed more robust rhythmic behaviors in males than females with individual variation exceeding those previously reported for other insect species. RNA interference targeting the Clock gene weakened locomotor activity rhythms. Our findings demonstrate the existence of a circadian clock and of clock-controlled behaviors in T. castaneum. Furthermore, they highlight substantial individual differences in circadian activity, laying the groundwork for future research on the relevance of individual variation in circadian rhythms in an ecological and evolutionary context.

show abstract

Population divergence in pheromone communication for mate choice of Tribolium castaneum and its association with gut bacteria

Cited by 2 publications

References 47 publications

Deciphering a beetle clock: individual and sex-dependent variation in daily activity patterns

Deciphering a beetle clock: individual and sex-dependent variation in daily activity patterns

Deciphering a Beetle Clock: Individual and Sex-Dependent Variation in Daily Activity Patterns

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