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Plant Signal Behav. 2011 Nov;6(11):1700-5. doi: 10.4161/psb.6.11.17662. Epub 2011 Nov 1.

Plant TOR signaling components.

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1
Institute of Plant Biology, University of Zürich, Zürich, Switzerland.

Abstract

Cell growth is a process that needs to be tightly regulated. Cells must be able to sense environmental factors like nutrient abundance, the energy level or stress signals and coordinate growth accordingly. The Target Of Rapamycin (TOR) pathway is a major controller of growth-related processes in all eukaryotes. If environmental conditions are favorable, the TOR pathway promotes cell and organ growth and restrains catabolic processes like autophagy. Rapamycin is a specific inhibitor of the TOR kinase and acts as a potent inhibitor of TOR signaling. As a consequence, interfering with TOR signaling has a strong impact on plant development. This review summarizes the progress in the understanding of the biological significance and the functional analysis of the TOR pathway in plants.

PMID:
22057328
PMCID:
PMC3329340
DOI:
10.4161/psb.6.11.17662
[Indexed for MEDLINE]
Free PMC Article
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