2014
DOI: 10.1242/jeb.103309
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Altered regulation of sleep and feeding contribute to starvation resistance in Drosophila

Abstract: Animals respond to changes in food availability by adjusting sleep and foraging strategies to optimize their fitness. Wild populations of the fruit fly, Drosophila melanogaster, display highly variable levels of starvation resistance that are dependent on geographic location, food availability and evolutionary history. How behaviors that include sleep and feeding vary in Drosophila with increased starvation resistance is unclear. We have generated starvation-resistant flies through experimental evolution to in… Show more

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Cited by 64 publications
(91 citation statements)
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“…Drosophila sleep is modulated by external signals (e.g., light and temperature) and internal signals (e.g., circadian clock, sleep pressure, and hunger)163738. Since the induction of arousal is determined by the balance between external and internal impacts, neural mechanisms, which positively and negatively regulate arousal level, are required for keeping the suitable quality and/or quantity of sleep/wake behaviors.…”
Section: Discussionmentioning
confidence: 99%
“…Drosophila sleep is modulated by external signals (e.g., light and temperature) and internal signals (e.g., circadian clock, sleep pressure, and hunger)163738. Since the induction of arousal is determined by the balance between external and internal impacts, neural mechanisms, which positively and negatively regulate arousal level, are required for keeping the suitable quality and/or quantity of sleep/wake behaviors.…”
Section: Discussionmentioning
confidence: 99%
“…Quantitative genetic approaches in fully sequenced lines have provided insight into the genetic basis for resistance to environmental and physiological stressors including starvation resistance, and identified novel regulators of sleep (Harbison, Yamamoto, Fanara, Norga, & Mackay, ; Vieira et al., ). Further, experimental evolution and artificial selection approaches have revealed a relationship between sleep, feeding, and starvation resistance (Masek et al., ; Slocumb et al., ). For example, selection for short‐sleeping flies results in reduced energy stores and sensitivity to starvation, while selecting for starvation resistance increases sleep duration (Masek et al., ; Seugnet et al., ).…”
Section: Introductionmentioning
confidence: 99%
“…However, unlike larvae, adult flies are intermittent eaters and their foraging behaviors are expected to be much more complex (Masek et al 2014; Qi et al 2015). Compared with larvae, adult flies forage in higher dimensional space and have access to more diverse arrays of food.…”
Section: Introductionmentioning
confidence: 99%