数字农科院2.0

Research on lncRNA related to drought resistance of Shanlan upland rice

文献类型： 外文期刊

作者： Xinsen Yang;Caiyue Liu;Xiaoling Niu;Liu Wang;Laiyi Li;Qianhua Yuan;Xinwu Pei

作者机构：

关键词： ceRNA;Drought;lncRNA;Shanlan upland rice

期刊名称： BMC Genomics

ISSN： 1471-2164

年卷期： 2022 年 23 卷 1 期

页码：

收录情况： SCIE（2022版）

摘要： Background: Drought has become the major abiotic stress that causes losses in rice yields and consequently is one of the main environmental factors threatening food security. Long non-coding RNA (lncRNA) is known to play an important role in plant response to drought stress, while the mechanisms of competing endogenous RNA (ceRNA) in drought resistance in upland rice have been rarely reported. Results: In our study, a total of 191 lncRNAs, 2115 mRNAs and 32 miRNAs (microRNAs) were found by strand-specific sequencing and small RNA sequencing to be differentially expressed in drought-stressed rice. Functional analysis of results indicate that they play important roles in hormone signal transduction, chlorophyll synthesis, protein synthesis and other pathways. Construction of a ceRNA network revealed that MSTRG.28732.3 may interact with miR171 in the chlorophyll biosynthesis pathway and affect the ability of plants to withstand drought stress by regulating Os02g0662700, Os02g0663100 and Os06g0105350. The accuracy of the regulatory network was verified by qRT-PCR. Conclusion: Our results provide a theoretical basis for future studies on the potential function of lncRNA in plant drought resistance, and they provide new genetic resources for drought-resistant rice breeding.

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