Role of ethylene receptors during senescence and ripening in horticultural crops
Identifieur interne : 001204 ( Main/Exploration ); précédent : 001203; suivant : 001205Role of ethylene receptors during senescence and ripening in horticultural crops
Auteurs : Gaurav Agarwal ; Divya Choudhary ; Virendra P. Singh ; Ajay AroraSource :
- Plant Signaling & Behavior [ 1559-2316 ] ; 2012.
Abstract
The past two decades have been rewarding in terms of deciphering the ethylene signal transduction and functional validation of the ethylene receptor and downstream genes involved in the cascade. Our knowledge of ethylene receptors and its signal transduction pathway provides us a robust platform where we can think of manipulating and regulating ethylene sensitivity by the use of genetic engineering and making transgenic. This review focuses on ethylene perception, receptor mediated regulation of ethylene biosynthesis, role of ethylene receptors in flower senescence, fruit ripening and other effects induced by ethylene. The expression behavior of the receptor and downstream molecules in climacteric and non climacteric crops is also elaborated upon. Possible strategies and recent advances in altering the ethylene sensitivity of plants using ethylene receptor genes in an attempt to modulate the regulation and sensitivity to ethylene have also been discussed. Not only will these transgenic plants be a boon to post-harvest physiology and crop improvement but, it will also help us in discovering the mechanism of regulation of ethylene sensitivity.
Url:
DOI: 10.4161/psb.20321
PubMed: 22751331
PubMed Central: 3583974
Affiliations:
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