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- Surekha Katiyar-Agarwal
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi 110021, India;
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- Hailing Jin
- Departments of Plant Pathology and Microbiology, Center for Plant Cell Biology, Institute for Integrative Genome Biology, University of California, Riverside, California 92521;
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説明
<jats:p> Plant defense responses against pathogens are mediated by activation and repression of a large array of genes. Host endogenous small RNAs are essential in this gene expression reprogramming process. Here, we discuss recent findings on pathogen-regulated host microRNAs (miRNAs) and small interfering RNAs (siRNAs) and their roles in plant-microbe interaction. We further introduce small RNA pathway components, including Dicer-like proteins (DCLs), double-stranded RNA (dsRNA) binding protein, RNA-dependent RNA polymerases (RDRs), small RNA methyltransferase HEN1, and Argonaute (AGO) proteins, that contribute to plant immune responses. The strategies that pathogens have evolved to suppress host small RNA pathways are also discussed. Collectively, host small RNAs and RNA silencing machinery constitute a critical layer of defense in regulating the interaction of pathogens with plants. </jats:p>
収録刊行物
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- Annual Review of Phytopathology
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Annual Review of Phytopathology 48 (1), 225-246, 2010-07-01
Annual Reviews
