期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.shpsc.2015.01.005
关键词
Phenotypic plasticity; Genecology; Homeostasis; Ecological genetics; Population biology; Evolutionary theory
资金
- National Science Foundation Graduate Research Fellowship Program [2011131209]
- NSF Doctoral Dissertation Research Improvement Grant [1256752]
- Divn Of Social and Economic Sciences
- Direct For Social, Behav & Economic Scie [1256752] Funding Source: National Science Foundation
Plant ecologist Anthony David Bradshaw's account of the evolution of adaptive phenotypic plasticity remains central to contemporary research aimed at understanding how organisms persist in heterogeneous environments. Bradshaw suggested that changes in particular traits in response to specific environmental factors could be under direct genetic control, and that natural selection could therefore act directly to shape those responses: plasticity was not noise obscuring a genetic signal, but could be specific and refined just as any other adaptive phenotypic trait. In this paper, I document the contexts and development of Bradshaw's investigation of phenotypic plasticity in plants, including a series of unreported experiments in the late 1950s and early 1960s. Contrary to the mythology that later emerged around Bradshaw's ideas, Bradshaw was engaged in a serious and sustained empirical research program concerning plasticity in the 1950s and 1960s that went far beyond a single review paper. Moreover, that work was not isolated, but was surrounded by an already rich theoretical discourse and a substantial body of empirical research concerning the evolution of developmental plasticity and stability. Bradshaw recast the problem of how to understand (and control) plasticity and stability within an epistemic framework focused on genetic differences and natural selection. (C) 2015 Elsevier Ltd. All rights reserved.
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