Journal
RSC ADVANCES
Volume 8, Issue 60, Pages 34408-34417Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ra04993a
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Funding
- National Key Research and Development Program [2017YFD0100400-3]
- Jiangsu Key Laboratory of Agrobiology Program [49114042015Z006]
- Jiangsu Province Key Research and Development Program (Modern Agriculture) Project [BE2015355]
- Exploratory Project of the Jiangsu Academy of Agricultural Sciences [ZX(17)2014]
- Jiangsu Province Natural Science Foundation [BK20171326]
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Plant Long non-coding RNA (lncRNA) is a type of newly emerging epigenetic regulator playing a critical role in Want growth, development, and biotic stress responses. However, it is unknown whether lncRNAs are involved in resistance responses between rice and Dickeya zeae, a bacterial agent causing rice foot rot disease. In this study, RNA-seq was performed to uncover the co-expression regulating networks mediated by D. zeae responsive lncRNAs and their candidate target genes. Of the 4709 lncRNAs identified, 2518 and 2191 were up- and down-regulated in response to D. zeae infection, respectively. Expression changes of 17 selected lncRNAs and their predicted targets with a potential role in defense response were investigated by qPCR. The expression levels of five lncRNAs were up-regulated while their cognate candidate target genes were down-regulated upon D. zeae infection. In addition, several lncRNAs were predicted to be target mimics of osa-miR396 and osa-miR156. These results suggest that lncRNAs might Way a role in response to D. zeae infection by regulating the transcript levels of their targets and miRNAs in rice.
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