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Small brown planthopper resistance loci in wild rice (Oryza officinalis)

文献类型： 外文期刊

作者： Zhang, Weilin 1 ; Dong, Yan 2 ; Yang, Ling 1 ; Ma, Bojun 1 ; Ma, Rongrong 3 ; Huang, Fudeng 2 ; Wang, Changchun 1 ; Hu, H 1 ;

作者机构： 1.Zhejiang Normal Univ, Coll Chem & Life Sci, Jinhua 321004, Peoples R China

2.Nanjing Agr Univ, Coll Plant Protect, Nanjing 210095, Jiangsu, Peoples R China

3.Ningbo Acad Agr Sci, Ningbo 315101, Zhejiang, Peoples R China

4.Zhejiang Acad Agr Sci, State Key Lab Breeding Base Zhejiang Sustainable, Minist China, Key Lab Biotechnol Plant Protect,Inst Virol & Bio, Hangzhou 310021, Zhejiang, Peoples R China

关键词： Small brown planthopper;Oryza officinalis;Asymmetric somatic;hybridization;QTL analysis

期刊名称：MOLECULAR GENETICS AND GENOMICS （ 影响因子：3.291； 五年影响因子：3.257 ）

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收录情况： SCI

摘要： Host-plant resistance is the most practical and economical approach to control the rice planthoppers. However, up to date, few rice germplasm accessions that are resistant to the all three kinds of planthoppers (1) brown planthopper (BPH; Nilaparvata lugens StAyenl), (2) the small brown planthopper (SBPH; Laodelphax striatellus Fallen), and (3) the whitebacked planthopper (WBPH, Sogatella furcifera Horvath) have been identified; consequently, the genetic basis for host-plant broad spectrum resistance to rice planthoppers in a single variety has been seldom studied. Here, one wild species, Oryza officinalis (Acc. HY018, 2n = 24, CC), was detected showing resistance to the all three kinds of planthoppers. Because resistance to WBPH and BPH in O. officinalis has previously been reported, the study mainly focused on its SBPH resistance. The SBPH resistance gene(s) was (were) introduced into cultivated rice via asymmetric somatic hybridization. Three QTLs for SBPH resistance detected by the SSST method were mapped and confirmed on chromosomes 3, 7, and 12, respectively. The allelic/non-allelic relationship and relative map positions of the three kinds of planthopper resistance genes in O. officinalis show that the SBPH, WBPH, and BPH resistance genes in O. officinalis were governed by multiple genes, but not by any major gene. The data on the genetics of host-plant broad spectrum resistance to planthoppers in a single accession suggested that the most ideally practical and economical approach for rice breeders is to screen the sources of broad spectrum resistance to planthoppers, but not to employ broad spectrum resistance gene for the management of planthoppers. Pyramiding these genes in a variety can be an effective way for the management of planthoppers.

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[1]Comparative Proteomic Analysis of Susceptible and Resistant Rice Plants during Early Infestation by Small Brown Planthopper. Chen, Jianping,Dong, Yan,Yang, Yong,Wang, Xuming,Yu, Chulang,Zhou, Jie,Yan, Chengqi,Chen, Jianping,Fang, Xianping,Fang, Xianping,Xue, Gang-Ping,Chen, Xian,Zhang, Weilin,Mei, Qiong,Fang, Wang. 2017

[2]Expression of defense genes and activities of antioxidant enzymes in rice resistance to rice stripe virus and small brown planthopper. Hao, Zhongna,Wang, Lianping,He, Yueping,Liang, Jiangen,Tao, Rongxiang.

[3]Transcriptome Analysis Reveals the Response of Iron Homeostasis to Early Feeding by Small Brown Planthopper in Rice. Zhang, Weilin,Yang, Ling,Ma, Bojun,Meng, Hongyu,Li, Mei,Yang, Chengqi,Xie, Li,Chen, Jianping.

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