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Microarray analysis reveals overlapping and specific transcriptional responses to different plant hormones in rice

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Title Microarray analysis reveals overlapping and specific transcriptional responses to different plant hormones in rice
 
Creator Garg, Rohini
Tyagi, Akhilesh K.
Jain, Mukesh
 
Subject rice (Oryza sativa)
hormones
gene expression
transcriptional response
microarray
 
Description Hormones exert pleiotropic effects on plant growth and development throughout the life cycle. Many of these effects are mediated at molecular level via altering gene expression. In this study, we investigated the exogenous effect of plant hormones, including auxin, cytokinin, abscisic acid, ethylene, salicylic acid and jasmonic acid, on the transcription of rice genes at whole genome level using microarray. Our analysis identified a total of 4171 genes involved in several biological processes, whose expression was altered significantly in the presence of different hormones. Further, 28% of these genes exhibited overlapping transcriptional responses in the presence of any two hormones, indicating crosstalk among plant hormones. In addition, we identified genes showing only a particular hormone-specific response, which can be used as hormone-specific markers. The results of this study will facilitate further studies in hormone biology in rice.
MJ acknowledges the financial support from the Department
of Biotechnology, Government of India, New Delhi, under
Innovative Young Biotechnologists Award scheme and core grant
from NIPGR.
 
Date 2014-05-06T07:00:05Z
2014-05-06T07:00:05Z
2012
29 May 2012
 
Type Article
 
Identifier Plant Signal. Behav., 7(8): 951-956
http://hdl.handle.net/123456789/229
 
Language en
 
Publisher Landes Bioscience