Journal
CURRENT OPINION IN PLANT BIOLOGY
Volume 12, Issue 6, Pages 766-772Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2009.08.002
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Funding
- NSF [MCB 0641288]
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Because of their sessile lifestyle, the areas which plants can access to forage for resources are confined to those which can be explored by growth. High sensitivity to environmental conditions coupled to the appropriate readjustment of growth and developmental responses are thus critical to plant survival. In this review, we focus on how roots perceive physical cues such as soil water status and mechanical properties and translate them into physiological signals to redirect organ growth and modulate root system architecture. Because the precise molecular identity of most of the sensors used by the root to sample the soil environment remain to be determined, the mechanisms underlying similar processes in microbes are providing important models for how these receptor systems may be functioning in plants.
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