The miR-184-3p promotes rice black-streaked dwarf virus infection by suppressing Ken in Laodelphax striatellus (Fallén)
文献类型： 外文期刊
第一作者： Wu, Wei
作者： Wu, Wei;Wang, Man;Deng, Zhiting;Xi, Minmin;Dong, Yan;Wang, Haitao;Zhang, Jianhua;Zhou, Yijun;Xu, Qiufang;Wu, Wei;Deng, Zhiting;Xi, Minmin;Wang, Changchun;Xu, Qiufang
作者机构： Jiangsu Acad Agr Sci, Inst Plant Protect, Key Lab Food Qual & Safety Jiangsu Prov, State Key Lab Breeding Base, Nanjing, Peoples R China;Nanjing Univ Chinese Med, Key Lab Acupuncture & Med Res, Minist Educ, Nanjing, Peoples R China;Zhejiang Normal Univ, Coll Life Sci, Jinhua, Peoples R China;Anhui Normal Univ, Coll Life Sci, Wuhu, Peoples R China
关键词： miR-184-3p; Laodelphax striatellus; rice black-streaked dwarf virus; Ken; virus infection
期刊名称：PEST MANAGEMENT SCIENCE （ 2022影响因子：4.1； 五年影响因子：4.4 ）
ISSN： 1526-498X
年卷期： 2024 年 80 卷 4 期
收录情况： SCI
摘要： BACKGROUND: MicroRNAs (miRNAs) play a key role in various biological processes by influencing the translation of target messenger RNAs (mRNAs) through post-transcriptional regulation. The miR-184-3p has been identified as an abundant conserved miRNA in insects. However, less is known about its functions in insect-plant virus interactions.RESULTS: The function of miR-184-3p in regulation of plant viral infection in insects was investigated using a rice black-streaked dwarf virus (RBSDV) and Laodelphax striatellus (Fallen) interaction system. We found that the expression of miR-184-3p increased in L. striatellus after RBSDV infection. Injection of miR-184-3p mimics increased RBSDV accumulation, while treatment with miR-184-3p antagomirs inhibits the viral accumulation in L. striatellus. Ken, a zinc finger protein, was identified as a target of miR-184-3p. Knockdown of Ken increased the virus accumulation and promoted RBSDV transmission by L. striatellus.CONCLUSION: This study demonstrates that RBSDV infection induces the expression of miR-184-3p in its insect vector L. striatellus. The miR-184-3p targets Ken to promote RBSDV accumulation and transmission. These findings provide a new insight into the function of the miRNAs in regulating plant viral infection in its insect vector.(c) 2023 Society of Chemical Industry.
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