Genome-Wide Analysis of Lectin Receptor-Like Kinases in Tomato (Solanum lycopersicum) and Its Association with the Infection of Tomato Yellow Leaf Curl Virus
文献类型： 外文期刊
作者： Zhao, Tongmin 1 ; Wang, Jinyan 3 ; Zhang, Baolong 3 ; Hou, Xilin 1 ;
作者机构： 1.Nanjing Agr Univ, Coll Hort, State Key Lab Crop Genet & Germplasm Enhancement, Nanjing 210095, Jiangsu, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Vegetable Crops, Jiangsu Key Lab Hort Crop Genet Improvement, Nanjing 210014, Jiangsu, Peoples R China
3.Jiangsu Acad Agr Sci, Prov Key Lab Agrobiol, Nanjing 210014, Jiangsu, Peoples R China
关键词： Genome-wide analysis; Tomato; TYLCV; Lectin receptor-like kinases
期刊名称：PLANT MOLECULAR BIOLOGY REPORTER （ 影响因子：1.595； 五年影响因子：2.042 ）
ISSN： 0735-9640
年卷期： 2018 年 36 卷 3 期
页码：
收录情况： SCI
摘要： Lectin receptor-like kinases (LecRLKs) are crucial factors in response to plant biotrophic pathogens. This study aimed to systemically analyze the effect of tomato LecRLKs on the responses to tomato yellow leaf curl virus (TYLCV) infection. A total of 93 tomato SlyLecRLK genes, including 69 G-type LecRLKs, 23 L-type LecRLKs, and one C-type LecRLK, were identified using genome-wide analysis and were clustered into three subfamilies using phylogenetic analysis. These SlyLecRLK genes were localized on the 12 tomato chromosomes with some gene duplication events. Transcriptomic analysis showed most of SlyLecRLKs were modulated by phytohormones and TYLCV infection. Gene ontology (GO) enrichment analysis showed all SlyLecRLK genes were associated with receptor protein kinase activity and protein modification. Quantitative RT-PCR (qRT-PCR) and gene interference validation showed SlyLecRLKs007, SlyLecRLKs036, and SlyLecRLKs044 genes were inhibited by TYLCV infection, and silencing of them were accompanied by accumulation of TYLCV DNA content. Subcellular localization of LecRLKs023 and LecRLKs044 on cell membranes was determined using a SlyLecRLK-containing A. tumefaciens strain GV3101. These results showed SlyLecRLK genes were key factors for TYLCV resistance, and also provided crucial information uncovering the protective effects of SlyLecRLKs on resisting TYLCV infection in tomato.
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