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Developmental arrest: from sea urchins to seeds

Published online by Cambridge University Press:  22 February 2007

Steven Footitt
Affiliation:
Department of Plant Pathology and Crop Physiology, 302 Life Sciences Building, Louisiana State University Agricultural Center, Baton Rouge, Louisiana 70803, USA
Marc Alan Cohn*
Affiliation:
Department of Plant Pathology and Crop Physiology, 302 Life Sciences Building, Louisiana State University Agricultural Center, Baton Rouge, Louisiana 70803, USA
*
*Corresponding author Tel: 225 578 1464 Fax: 225 578 1415 Email: mcohn@lsu.edu

Abstract

The phenomenon of dormancy extends beyond the boundaries of the plant kingdom. While plant biologists typically associate dormancy-breaking treatments only with seeds, buds or tubers, these chemicals and environmental stimuli have much broader activity as general terminators of developmental arrest in other, non-plant species. The activation of growth by these treatments is associated with signal transduction processes, metabolic upregulation and changes in gene expression, in addition to other events that may or may not be species specific. The study of both the classic and current developmental arrest literature beyond the boundaries of plant biology may be helpful in generating useful ideas and analogies for meaningful experimental progress towards understanding seed dormancy.

Type
Research Perspective
Copyright
Copyright © Cambridge University Press 2001

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