MicroRNA expression profiles in response to drought stress in Sorghum bicolor

Gene Expression Patterns : GEP
Nada Babiker HamzaNeeti Sanan-Mishra

Abstract

The regulatory role of small non-coding RNAs that are 20-24 nucleotides in length has become the foremost area of research for biologists. A major class of small RNAs represented by the microRNAs (miRNAs), has been implicated in various aspects of plant development including leaf pattering, meristem function, root patterning etc. Recent findings support that miRNAs are regulated by drought and other abiotic stresses in various plant species. In this study, were report the expression profiling of 8 known abiotic stress deregulated miRNAs in 11 elite sorghum genotypes, under watered and drought conditions. Significant deregulation was observed with miR396, miR393, miR397-5p, miR166, miR167 and miR168. Among these, the expression levels of sbi-miR396 and sbi-miR398 were the highest in all the genotypes. The expression of sbi-miR396 was maximum in the grain sorghum HSD3226 under well-watered conditions and the profile shifted towards HSD3221 under drought stress. Forage accessions, N98 and Atlas, showed an opposite behavior in expression patterns of miR397-5p in drought physiologies. Such dynamic expression patterns could be indicative of prevailing drought tolerant mechanisms present in these sorghum accessions. This data provides...Continue Reading

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Citations

May 28, 2019·Functional & Integrative Genomics·Shikha GoelNeeti Sanan-Mishra
Sep 24, 2018·Functional & Integrative Genomics·Thangasamy SaminathanUmesh K Reddy
Jul 22, 2019·Molecular Biology Reports·Veronica FilecciaFederico Martinelli
May 4, 2017·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Vallabhi GhorechaN S R Krishnayya
Dec 29, 2020·Frontiers in Genetics·Animikha ChakrabortyNepolean Thirunavukkarasu
Apr 16, 2018·Journal of Plant Physiology·Federico MartinelliZerihun Tadele
May 7, 2021·Physiologia Plantarum·Garima SingrohaRamanjulu Sunkur
Jun 11, 2021·3 Biotech·Athiappan SelviKasirajan Lakshmi
Sep 30, 2020·The American Journal of the Medical Sciences·Xiaolong Liu, Zhongyang Shen

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