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BMC Plant Biol. 2011 Nov 23;11:170. doi: 10.1186/1471-2229-11-170.

Characterization of the stress associated microRNAs in Glycine max by deep sequencing.

Author information

1
Ministry of Education Engineering Research Center of Bioreactor and Pharmaceutical Development, Jilin Agricultural University, Changchun, Jilin 130118, China. iamwujy@yahoo.com.cn

Abstract

BACKGROUND:

Plants involved in highly complex and well-coordinated systems have evolved a considerable degree of developmental plasticity, thus minimizing the damage caused by stress. MicroRNAs (miRNAs) have recently emerged as key regulators in gene regulation, developmental processes and stress tolerance in plants.

RESULTS:

In this study, soybean miRNAs associated with stress responses (drought, salinity, and alkalinity) have been identified and analyzed in combination with deep sequencing technology and in-depth bioinformatics analysis. One hundred and thirty three conserved miRNAs representing 95 miRNA families were expressed in soybeans under three treatments. In addition, 71, 50, and 45 miRNAs are either uniquely or differently expressed under drought, salinity, and alkalinity, respectively, suggesting that many miRNAs are inducible and are differentially expressed in response to certain stress.

CONCLUSION:

Our study has important implications for further identification of gene regulation under abiotic stresses and significantly contributes a complete profile of miRNAs in Glycine max.

PMID:
22112171
PMCID:
PMC3267681
DOI:
10.1186/1471-2229-11-170
[Indexed for MEDLINE]
Free PMC Article

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