Chapter 9

Role of miRNAs in Abiotic and Biotic Stresses in Plants

Syed Sarfraz Hussain and Bujun Shi

Plants are exposed to a wide array of biotic and abiotic stresses. To cope with these stresses, plants exhibit an integrated molecular response that may eventually result in their adaptation and/or acclimation to the stresses. In the past two decades, miRNAs have emerged as a key player in translational, transcriptional, and post-transcriptional regulation of plant genes important for plant responses to different stresses. However, the role of miRNAs in stress-responsive pathways is not yet known and, furthermore, how these signals and responses are integrated in nature is also unclear. In this chapter, we present current knowledge on miRNA-mediated ...

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