Stress responsive miRNAs and isomiRs in cereals
Budak, Hikmet and Kantar, Melda and Bulut, Reyyan Fatima and Akpınar, Bala Anı (2015) Stress responsive miRNAs and isomiRs in cereals. Plant Science, 235 . pp. 1-13. ISSN 0168-9452
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Official URL: http://dx.doi.org/10.1016/j.plantsci.2015.02.008
Abiotic and biotic stress conditions are vital determinants in the production of cereals, the major caloric source in human nutrition. Small RNAs, miRNAs and isomiRs are central to post-transcriptional regulation of gene expression in a variety of cellular processes including development and stress responses. Several miRNAs have been identified using new technologies and have roles in stress responses in plants, including cereals. The overall knowledge about the cereal miRNA repertoire, as well as an understanding of complex miRNA mediated mechanisms of target regulation in response to stress conditions, is far from complete. Ongoing efforts that add to our understanding of complex miRNA machinery have implications in plant response to stress conditions. Additionally, sequence variants of miRNAs (isomiRNAs or isomiRs), regulation of their expression through dissection of upstream regulatory elements, the role of Processing-bodies (P-bodies) in miRNA exerted gene regulation and yet unveiled organellar plant miRNAs are newly emerging topics, which will contribute to the elucidation of the miRNA machinery and its role in cereal tolerance against abiotic and biotic stresses.
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