Matches in SemOpenAlex for { <https://semopenalex.org/work/W3010099667> ?p ?o ?g. }
- W3010099667 abstract "High temperatures can negatively impact performance and survival of organisms, particularly ectotherms. While an organism's response to high temperature stress clearly depends on current thermal conditions, its response may also be affected by the temporal pattern and duration of past temperature exposures. We used RNA sequencing of Manduca sexta larvae fat body tissue to evaluate how diurnal temperature fluctuations during development affected gene expression both independently and in conjunction with subsequent heat stress. Additionally, we compared gene expression between two M. sexta populations, a lab colony and a genetically related field population that have been separated for>300 generations and differ in their thermal sensitivities. Lab-adapted larvae were predicted to show increased expression responses to both single and repeated thermal stress, whereas recurrent exposure could decrease later stress responses for field individuals. We found large differences in overall gene expression patterns between the two populations across all treatments, as well as population-specific transcriptomic responses to temperature; most differentially expressed genes were upregulated in the field compared with lab larvae. Developmental temperature fluctuations alone had minimal effects on long-term gene expression patterns, with the exception of a somewhat elevated stress response in the lab population. Fluctuating rearing conditions did alter gene expression during exposure to later heat stress, but this effect depended on both the population and the particular temperature conditions. This study contributes to increased knowledge of molecular mechanisms underlying physiological responses of organisms to temperature fluctuations, which is needed for the development of more accurate thermal performance models." @default.
- W3010099667 created "2020-03-13" @default.
- W3010099667 creator A5012999268 @default.
- W3010099667 creator A5016321138 @default.
- W3010099667 creator A5019406140 @default.
- W3010099667 creator A5032646179 @default.
- W3010099667 creator A5076616506 @default.
- W3010099667 date "2020-01-01" @default.
- W3010099667 modified "2023-09-27" @default.
- W3010099667 title "The ghost of temperature past: interactive effects of previous and current thermal conditions on gene expression in <i>Manduca sexta</i>" @default.
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- W3010099667 doi "https://doi.org/10.1242/jeb.213975" @default.