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    Role of miRNAs and siRNAs in biotic and abiotic stress responses of plants

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    Type
    Article
    Authors
    Khraiwesh, Basel
    Zhu, Jian-Kang cc
    Zhu, Jianhua
    KAUST Department
    Biological and Environmental Science and Engineering (BESE) Division
    Center for Desert Agriculture
    Office of the VP
    Date
    2011-05-20
    Embargo End Date
    2012-05-20
    Permanent link to this record
    http://hdl.handle.net/10754/562079
    
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    Abstract
    Small, non-coding RNAs are a distinct class of regulatory RNAs in plants and animals that control a variety of biological processes. In plants, several classes of small RNAs with specific sizes and dedicated functions have evolved through a series of pathways. The major classes of small RNAs include microRNAs (miRNAs) and small interfering RNAs (siRNAs), which differ in their biogenesis. miRNAs control the expression of cognate target genes by binding to reverse complementary sequences, resulting in cleavage or translational inhibition of the target RNAs. siRNAs have a similar structure, function, and biogenesis as miRNAs but are derived from long double-stranded RNAs and can often direct DNA methylation at target sequences. Besides their roles in growth and development and maintenance of genome integrity, small RNAs are also important components in plant stress responses. One way in which plants respond to environmental stress is by modifying their gene expression through the activity of small RNAs. Thus, understanding how small RNAs regulate gene expression will enable researchers to explore the role of small RNAs in biotic and abiotic stress responses. This review focuses on the regulatory roles of plant small RNAs in the adaptive response to stresses. This article is part of a Special Issue entitled: Plant gene regulation in response to abiotic stress. © 2011 Elsevier B.V.
    Citation
    Khraiwesh, B., Zhu, J.-K., & Zhu, J. (2012). Role of miRNAs and siRNAs in biotic and abiotic stress responses of plants. Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms, 1819(2), 137–148. doi:10.1016/j.bbagrm.2011.05.001
    Sponsors
    This work was supported by USDA and NIH grants to J.-K. Zhu and by National Science Foundation grants IOS0919745 and MCB0950242 to J. Zhu.
    Publisher
    Elsevier BV
    Journal
    Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms
    DOI
    10.1016/j.bbagrm.2011.05.001
    PubMed ID
    21605713
    PubMed Central ID
    PMC3175014
    Additional Links
    http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3175014
    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3175014
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.bbagrm.2011.05.001
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Center for Desert Agriculture

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