Allen G. Gibbs
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View article: Linked empirical studies reveal the cumulative impact of acquired tick resistance across the tick life cycle
Linked empirical studies reveal the cumulative impact of acquired tick resistance across the tick life cycle Open
Host defenses affect tick feeding success, and thus survival and reproduction, but defensive traits have rarely been studied relative to tick population dynamics. We explored the effects of anti-tick resistance of three natural hosts again…
View article: Circadian regulation of locomotion, respiration, and arousability in adult blacklegged ticks (Ixodes scapularis)
Circadian regulation of locomotion, respiration, and arousability in adult blacklegged ticks (Ixodes scapularis) Open
View article: Starvation selection reduces and delays larval ecdysone production and signaling
Starvation selection reduces and delays larval ecdysone production and signaling Open
Previous studies have shown that selection for starvation resistance in Drosophila melanogaster results in delayed eclosion and increased adult fat stores. It is assumed that these traits are caused by the starvation selection pressure, bu…
View article: A screen for sleep and starvation resistance identifies a wake-promoting role for the auxiliary channel unc79
A screen for sleep and starvation resistance identifies a wake-promoting role for the auxiliary channel unc79 Open
The regulation of sleep and metabolism are highly interconnected, and dysregulation of sleep is linked to metabolic diseases that include obesity, diabetes, and heart disease. Furthermore, both acute and long-term changes in diet potently …
View article: Post‐eclosion temperature effects on insect cuticular hydrocarbon profiles
Post‐eclosion temperature effects on insect cuticular hydrocarbon profiles Open
The insect cuticle is the interface between internal homeostasis and the often harsh external environment. Cuticular hydrocarbons (CHCs) are key constituents of this hard cuticle and are associated with a variety of functions including str…
View article: When Do We Eat? The Clock is Ticking
When Do We Eat? The Clock is Ticking Open
Ticks are simultaneously fascinating and disgusting. Anyone who has removed a bloated blood‐filled tick from themselves or a pet understands the “yuck“ factor they arouse. But ticks are also fascinating from a physiological perspective. Ti…
View article: Starvation resistance is associated with developmentally specified changes in sleep, feeding and metabolic rate
Starvation resistance is associated with developmentally specified changes in sleep, feeding and metabolic rate Open
Food shortage represents a primary challenge to survival, and animals have adapted diverse developmental, physiological, and behavioral strategies to survive when food becomes unavailable. Starvation resistance is strongly influenced by ec…
View article: Starvation resistance is associated with developmentally specified changes in sleep, feeding, and metabolic rate
Starvation resistance is associated with developmentally specified changes in sleep, feeding, and metabolic rate Open
Food shortage represents a primary challenge to survival, and animals have adapted diverse developmental, physiological, and behavioral strategies to survive when food becomes unavailable. Starvation resistance is strongly influenced by ec…
View article: Effect of Larval Starvation on Lipid Content of Drosophila melanogaster Over 15 Days
Effect of Larval Starvation on Lipid Content of Drosophila melanogaster Over 15 Days Open
Starvation-resistant Drosophila melanogaster, common fruit flies, deriving from 121 generations of starvation selection, have resulted in genetically, behaviorally, and physiologically different individuals compared to non-resistant counte…
View article: Genome-Wide Analysis of Starvation-Selected Drosophila melanogaster—A Genetic Model of Obesity
Genome-Wide Analysis of Starvation-Selected Drosophila melanogaster—A Genetic Model of Obesity Open
Experimental evolution affords the opportunity to investigate adaptation to stressful environments. Studies combining experimental evolution with whole-genome resequencing have provided insight into the dynamics of adaptation and a new too…
View article: Effects of temperature on transcriptome and cuticular hydrocarbon expression in ecologically differentiated populations of desert <i>Drosophila</i>
Effects of temperature on transcriptome and cuticular hydrocarbon expression in ecologically differentiated populations of desert <i>Drosophila</i> Open
We assessed the effects of temperature differences on gene expression using whole‐transcriptome microarrays and cuticular hydrocarbon variation in populations of cactophilic Drosophila mojavensis . Four populations from Baja California and…
View article: Spatiotemporal patterns of desiccation tolerance in natural populations of<i>Drosophila melanogaster</i>
Spatiotemporal patterns of desiccation tolerance in natural populations of<i>Drosophila melanogaster</i> Open
Water availability is a major environmental challenge to a variety of terrestrial organisms. In insects, desiccation tolerance varies predictably over various spatial and temporal scales and is an important physiological basis of fitness v…
View article: An Experimental Evolution Test of the Relationship between Melanism and Desiccation Survival in Insects
An Experimental Evolution Test of the Relationship between Melanism and Desiccation Survival in Insects Open
We used experimental evolution to test the 'melanism-desiccation' hypothesis, which proposes that dark cuticle in several Drosophila species is an adaptation for increased desiccation tolerance. We selected for dark and light body pigmenta…
View article: Effects of Microbiota on Starvation Resistant Drosophila Melanogaster
Effects of Microbiota on Starvation Resistant Drosophila Melanogaster Open
Bacteria in modern society have often been perceived as having negative effects on humans with complications and potential death to their hosts. In recent years, the gut microbiota has shown that not all bacteria inhabiting a host cause ne…
View article: Enhanced Sleep Is an Evolutionarily Adaptive Response to Starvation Stress in Drosophila
Enhanced Sleep Is an Evolutionarily Adaptive Response to Starvation Stress in Drosophila Open
Animals maximize fitness by modulating sleep and foraging strategies in response to changes in nutrient availability. Wild populations of the fruit fly, Drosophila melanogaster, display highly variable levels of starvation and desiccation …