MicroRNAs associated with drought response in the pulse crop common bean (Phaseolus vulgaris L.)
文献类型: 外文期刊
第一作者: Wu, Jing
作者: Wu, Jing;Wang, Lanfen;Wang, Shumin
作者机构:
关键词: Food legume;Common bean;Drought;miRNA;Target genes;RT-qPCR
期刊名称:GENE ( 影响因子:3.688; 五年影响因子:3.329 )
ISSN: 0378-1119
年卷期: 2017 年 628 卷
页码:
收录情况: SCI
摘要: Drought stress significantly reduces common bean yields. Recently, some drought-related miRNAs were found in various plants. However, reports of miRNAs involved in drought stress in common bean are limited. Here, we obtained four sRNA samples from drought-tolerant and-sensitive cultivars of common bean that experienced with or without drought treatment. A total of 49 novel miRNAs and 120 known miRNAs were detected. Under drought treatment, 9 and 7 known miRNAs were down and up-regulated, respectively, and 5 and 3 of the novel miRNAs were increased and decreased, respectively. Among these miRNAs, four miRNAs shared the same pattern of expression between Long 22-0579 and Naihua. Target genes of these miRNAs included transcription factors, protein kinases, and nuclear transcription factors. Finally, we verified all of the differentially expressed miRNAs by RT-qPCR, and we identified 16 miRNAs that are potentially associated with the drought stress response. These miRNAs and target genes will be useful in future basic studies and in applied studies investigating how miRNA regulation can be used to enhance drought resistance in plant species.
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