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Mechanisms of Life History EvolutionThe Genetics and Physiology of Life History Traits and Trade-Offs$
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Thomas Flatt and Andreas Heyland

Print publication date: 2011

Print ISBN-13: 9780199568765

Published to Oxford Scholarship Online: December 2013

DOI: 10.1093/acprof:oso/9780199568765.001.0001

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Evolution and mechanisms of insect reproductive diapause: A plastic and pleiotropic life history syndrome

Evolution and mechanisms of insect reproductive diapause: A plastic and pleiotropic life history syndrome

Chapter:
Chapter 18 Evolution and mechanisms of insect reproductive diapause: A plastic and pleiotropic life history syndrome
Source:
Mechanisms of Life History Evolution
Author(s):

Paul S. Schmidt

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199568765.003.0018

States of arrested development and reproductive quiescence have widespread effects on life histories in many taxa. Insects that inhabit seasonal environments often express a diapause syndrome which affects a suite of traits including energy allocation, resistance to environmental stress, patterns of reproduction, and age specific mortality rates. Recent work has begun to elucidate the genetic architecture of insect diapause, and candidate genes for the regulation of diapause have been identified in multiple organisms. This research has the potential to outline common pathways and mechanisms of seasonal adaptations, as well as the molecular basis of variation in the expression of a pleiotropic life history syndrome.

Keywords:   cline, seasonality, reproductive diapause, photoperiod, microarray, Drosophila, plasticity, life history

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