Global ETD Search
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Showing 1 to 6 of 6 for “"Chill coma"”.
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The Effects of Temporal Cold Exposure and Caste Differences on Gene Expression and Epigenetics of Common Bumble Bee Species
… of thoracic muscles peaked 10 minutes after chill coma recovery and was primarily characterized by metabolic shifts favoring the production and use of glucose for energy. Gene expression differences diminished after 30 minutes, with no long-term expression markers detected. Next, I explored …
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Describing the Ionoregulatory Changes that Underlie Cold Acclimation in Drosophila Melanogaster
… thermal minimum (CTmin), sped up recovery from chill coma, improved survival following cold stress, and mitigated cold-induced hyperkalemia. In parallel, cold-acclimated flies experienced increased Malpighian tubule fluid and K+ secretion and reduced rectal K+ reabsorption. These changes were …
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Mechanisms Underlying Variation in Insect Chill Tolerance: The Role of Ion and Water Transport
… has emerged as an important factor limiting chill-susceptible insects at low temperatures; loss of this homeostasis in the cold likely contributes to chronic chilling injury, and reestablishment of homeostasis is required for recovery from chilling. Both plastic and interspecific variation in …
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Assessment of Petroleum Hydrocarbon Contamination In Terrestrial Ecosystems Using Conventional and Novel Approaches
… due to excessive invertebrate movement. Chill-coma induction and ethanol anesthesia methods were developed to temporarily immobilize soil invertebrates with no adverse affects, allowing for more precise quantification. Transcriptome analysis of F. candida exposed to PHCs linked reduced …
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The thermal macrophysiology of core and marginal populations of the aphid Myzus persicae in Europe
… tolerance (upper and lower lethal temperature50, coma temperatures and mobility thresholds) were determined for each aphid clone at different rearing temperatures. Acclimation at 10°C for one generation increased cold tolerance by depressing lower lethal, chill movement and chill coma temperatures …
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Thermal adaptation in butterflies: patterns, significance and mechanisms
… populations (PGI 2-2) exhibited the shortest chill-coma recovery times compared to all other genotypes, and also shows intermediate to long development times, thus showing characters typical of high-altitude populations (chapter 7.2). These findings support the notion that the PGI locus is …