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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/33120
Title: Involvement of miR164- and miR167-mediated target gene expressions in responses to water deficit in cassava
Authors: P. Phookaew
S. Netrphan
P. Sojikul
J. Narangajavana
Mahidol University
Thailand National Center for Genetic Engineering and Biotechnology
Keywords: Agricultural and Biological Sciences
Issue Date: 1-Jan-2014
Citation: Biologia Plantarum. Vol.58, No.3 (2014), 469-478
Abstract: Cassava (Manihot esculenta Crantz) is an important crop and it is significantly affected by water stress. The computational analysis of cis-regulatory elements in promoter regions of 21 drought-responsive miRNA gene families and 35 miRNA-target genes in cassava indicated some elements relevant to drought stress responses. To investigate the role of miRNAs and target genes in responses to a water deficit in cassava in more detail, in vitro plantlets were subjected to an imitated water deficit by 40 % polyethylene glycol. Using RT-qPCR, the differential expression of the cassava miR164/MesNAC and miR167/MesARF6/8 were observed to be associated with changes in the leaf shape, stomatal closure, and relative water content. The modified 5′-RNA ligase-mediated rapid amplification of cDNA-end (5'RLM-RACE) experiment confirmed MesNAC and MesARF8 as the in vivo-target genes of miR164 and miR167, respectively, in cassava leaf. The possible functions of miR164 and miR167-target genes in response to water deficit are discussed. © 2014 Springer Science+Business Media Dordrecht.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84906078606&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/33120
ISSN: 00063134
Appears in Collections:Scopus 2011-2015

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