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Recent Advances in Gene Mining and Hormonal Mechanism for Brown Planthopper Resistance in Rice

文献类型： 外文期刊

作者： Zhang, Xiao 1 ; Gu, Dongfang 1 ; Liu, Daoming 2 ; Hassan, Muhammad Ahmad 1 ; Yu, Cao 4 ; Wu, Xiangzhi 4 ; Huang, Shijie 4 ; Bian, Shiquan 1 ; Wei, Pengcheng 4 ; Li, Juan 1 ;

作者机构： 1.Anhui Acad Agr Sci, Rice Res Inst, Key Lab Rice Germplasm Innovat & Mol Improvement A, Hefei 230031, Peoples R China

2.Natl Ctr Technol Innovat Saline Alkali Tolerant Ri, Sanya 572024, Peoples R China

3.Hunan Hybrid Rice Res Ctr, State Key Lab Hybrid Rice, Changsha 410125, Peoples R China

4.Anhui Agr Univ, Coll Agron, Hefei 230036, Peoples R China

关键词： rice; brown planthopper; resistance gene; mechanism; phytohormone

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）

ISSN： 1661-6596

年卷期： 2024 年 25 卷 23 期

页码：

收录情况： SCI

摘要： Rice (Oryza sativa L.) feeds half the world's population and serves as one of the most vital staple food crops globally. The brown planthopper (BPH, Nilaparvata lugens St & aring;l), a major piercing-sucking herbivore specific to rice, accounts for large yield losses annually in rice-growing areas. Developing rice varieties with host resistance has been acknowledged as the most effective and economical approach for BPH control. Accordingly, the foremost step is to identify BPH resistance genes and elucidate the resistance mechanism of rice. More than 70 BPH resistance genes/QTLs with wide distributions on nine chromosomes have been identified from rice and wild relatives. Among them, 17 BPH resistance genes were successfully cloned and principally encoded coiled-coil nucleotide-binding leucine-rich repeat (CC-NB-LRR) protein and lectin receptor kinase (LecRK), as well as proteins containing a B3 DNA-binding domain, leucine-rich repeat domain (LRD) and short consensus repeat (SCR) domain. Multiple mechanisms contribute to rice resistance against BPH attack, including transcription factors, physical barriers, phytohormones, defense metabolites and exocytosis pathways. Plant hormones, including jasmonic acid (JA), salicylic acid (SA), ethylene (ET), abscisic acid (ABA), gibberellins (GAs), cytokinins (CKs), brassinosteroids (BRs) and indoleacetic-3-acid (IAA), play crucial roles in coordinating rice defense responses to the BPH. Here, we summarize some recent advances in the genetic mapping, cloning and biochemical mechanisms of BPH resistance genes. We also review the latest studies on our understanding of the function and crosstalk of phytohormones in the rice immune network against BPHs. Further directions for rice BPH resistance studies and management are also proposed.

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