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Trends Plant Sci. 2007 Mar;12(3):98-105. Epub 2007 Feb 6.

Stress-induced morphogenic responses: growing out of trouble?

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1
Department of Applied Biological Sciences, University of Antwerp, Groenenborgerlaan 171, B-2020 Belgium.

Abstract

Plants exposed to sub-lethal abiotic stress conditions exhibit a broad range of morphogenic responses. Despite the diversity of phenotypes, a generic 'stress-induced morphogenic response' can be recognized that appears to be carefully orchestrated and comprises three components: (a) inhibition of cell elongation, (b) localized stimulation of cell division and (c) alterations in cell differentiation status. It is hypothesized that the similarities in the morphogenic responses induced by distinct stresses, reflect common molecular processes such as increased ROS-production and altered phytohormone transport and/or metabolism. The stress-induced morphogenic response (SIMR) is postulated to be part of a general acclimation strategy, whereby plant growth is redirected to diminish stress exposure.

PMID:
17287141
DOI:
10.1016/j.tplants.2007.01.004
[Indexed for MEDLINE]
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