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The effect of cadmium on the microRNAome, degradome and transcriptome of rice seedlings

文献类型： 外文期刊

作者： Zhong, Min 1 ; Huang, Fenglin 3 ; Luo, Rongjian 2 ; Lv, Yusong 2 ; Ali, Umed 2 ; Sheng, Zhonghua 2 ; Tang, Shaoqing 2 ; W 1 ;

作者机构： 1.Jiangxi Agr Univ, Coll Agron, Nanchang 330045, Jiangxi, Peoples R China

2.China Natl Rice Res Inst, State Key Lab Rice Biol, Hangzhou 311400, Zhejiang, Peoples R China

3.Hunan Acad Agr Sci, Hunan Rice Res Inst, Changsha 410125, Hunan, Peoples R China

关键词： Cadmium (Cd); miRNA; Degradome; Transcriptome; Integrated analysis; Rice (Oryza sativa L; )

期刊名称：PLANT GROWTH REGULATION （ 影响因子：3.412； 五年影响因子：3.691 ）

ISSN： 0167-6903

年卷期：

页码：

收录情况： SCI

摘要： The damage induced by the uptake of cadmium (Cd) into the rice plant is of growing concern. Although many micro-RNAs (miRNAs) and their target genes have been identified in experiments designed to elucidate the molecular impact of exposure to Cd, as yet there has been no attempt to integrate data from sequencing the microRNAome, the degradome and the transcriptome of rice plants exposed to Cd. Here, the abundance of 40 miRNAs was shown to be substantially altered as response to Cd exposure. Of those, 38 (belonging to 22 known miRNA families) were already documented in rice and two (PC-3p-38247_129 and PC-3p-102187_26) are novel. The abundance of 18 genes differentially transcribed as a result of Cd exposure was found to be inversely correlated to that of 18 of the Cd-responsive miRNAs. The majority of the target genes encoded transcription factors, including ARF13, SCL6, various SPLs, NFYA6, GAMYB, and various NACs which encode proteins that participate in signal transduction and abiotic stress resistance. In all, the present study established a fundamental basis for evaluating the regulatory role of miRNA and their targets in plant exposure to Cd stress.

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