Crouching variation revealed

Research output: Contribution to journalArticle

Abstract

The term 'phenotypic capacitance' was introduced nearly 15 years ago to describe the strain-specific effects of impairing Hsp90, a molecular chaperone, in the fly Drosophila melanogaster (Rutherford & Lindquist). In one genetic background, Hsp90 depletion caused deformed eyes, whereas in other genetic backgrounds, the wings or abdomens or other aspects of morphology were affected. Hsp90 was therefore viewed as acting like a capacitor, allowing genetic differences to build up and to be released at a later time. In the years since, it has been debated whether capacitance is a laboratory curiosity or a major force in evolution. In this issue of Molecular Ecology, Takahashi () presents evidence, from high-resolution morphometric analysis of fly wings, that a large number of other capacitors exist in D. melanogaster, and that the variation they reveal can be quite subtle. His results advance our understanding of capacitance and contribute to a new view of its role in evolutionary adaptation. See also the Perspective by Takahashi.

Original languageEnglish (US)
Pages (from-to)1187-1189
Number of pages3
JournalMolecular Ecology
Volume22
Issue number5
DOIs
StatePublished - Mar 2013

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capacitance
Drosophila melanogaster
Diptera
genetic background
Exploratory Behavior
Molecular Chaperones
Ecology
Abdomen
molecular ecology
evolutionary adaptation
molecular chaperones
abdomen
eyes
ecology
Genetic Background

Keywords

  • adaptation
  • evolutionary theory
  • molecular evolution
  • quantitative genetics

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Genetics

Cite this

Crouching variation revealed. / Siegal, Mark L.

In: Molecular Ecology, Vol. 22, No. 5, 03.2013, p. 1187-1189.

Research output: Contribution to journalArticle

Siegal, Mark L. / Crouching variation revealed. In: Molecular Ecology. 2013 ; Vol. 22, No. 5. pp. 1187-1189.
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