Chromosomal Analysis of Heat-shock Tolerance in Drosophila Melanogaster Evolving at Different Temperatures in the Laboratory.

@article{Cavicchi1995ChromosomalAO,
  title={Chromosomal Analysis of Heat-shock Tolerance in Drosophila Melanogaster Evolving at Different Temperatures in the Laboratory.},
  author={Sandro Cavicchi and Daniela Guerra and Vittoria La Torre and Raymond B. Huey},
  journal={Evolution; international journal of organic evolution},
  year={1995},
  volume={49 4},
  pages={676-684}
}
We investigated the heat tolerance of adults of three replicated lines of Drosophila melanogaster that have been evolving independently by laboratory natural selection for 15 yr at "nonextreme" temperatures (18°C, 25°C, or 28°C). These lines are known to have diverged in body size and in the thermal dependence of several life-history traits. Here we show that they differ also in tolerance of extreme high temperature as well as in induced thermotolerance ("heat hardening"). For example, the 28°C… CONTINUE READING

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