Later developmental stages of Drosophila melanogaster acclimate and function better in response to thermal stress than early developmental stages (original) (raw)

2021

Abstract

Animal development is a complex process that requires successful completion of multiple steps at different developmental stages to produce adult organs and systems. Environmental stress experienced during crucial developmental stages could therefore disrupt the proper functioning and survival of individuals as adults long after the stressor has passed. Early embryonic stages, in particular, may be particularly susceptible to long-lasting effects because cellular mechanisms of stress resistance are relatively underdeveloped. Drosophila melanogaster acts as a model species, developing important structures like wings and heat resistance systems over time after embryogenesis. In this study, I tested the impact of when thermal stress is applied to pre-adult flies and what impact that had on performance and phenotypic traits as adults. This was accomplished by placing flies in incubators with abnormal temperatures during later developmental stages, including 24 hours post laying, and test...

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