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Genome sequence of Plasmopara viticola and insight into the pathogenic mechanism

文献类型: 外文期刊

作者: Yin, Ling 2 ; An, Yunhe 1 ; Qu, Junjie 2 ; Li, Xinlong 1 ; Zhang, Yali 1 ; Dry, Ian 4 ; Wu, Huijuan 3 ; Lu, Jiang 1 ;

作者机构: 1.China Agr Univ, Coll Food Sci & Nutr Engn, Beijing 100083, Peoples R China

2.Guangxi Acad Agr Sci, Guangxi Crop Genet Improvement & Biotechnol Lab, Nanning 530007, Peoples R China

3.Beijing Ctr Phys & Chem Anal, Beijing 100089, Peoples R China

4.CSIRO Agr & Food, Wine Innovat West Bldg, Urrbrae, SA 5064, Australia

5.Shanghai Jiao Tong Univ, Sch Agr & Biol, Ctr Viticulture & Enol, Shanghai 200024, Peoples R China

期刊名称:SCIENTIFIC REPORTS ( 影响因子:4.379; 五年影响因子:5.133 )

ISSN: 2045-2322

年卷期: 2017 年 7 卷

页码:

收录情况: SCI

摘要: Plasmopara viticola causes downy mildew disease of grapevine which is one of the most devastating diseases of viticulture worldwide. Here we report a 101.3 Mb whole genome sequence of P. viticola isolate 'JL-7-2' obtained by a combination of Illumina and PacBio sequencing technologies. The P. viticola genome contains 17,014 putative protein-coding genes and has similar to 26% repetitive sequences. A total of 1,301 putative secreted proteins, including 100 putative RXLR effectors and 90 CRN effectors were identified in this genome. In the secretome, 261 potential pathogenicity genes and 95 carbohydrate- active enzymes were predicted. Transcriptional analysis revealed that most of the RXLR effectors, pathogenicity genes and carbohydrate- active enzymes were significantly up- regulated during infection. Comparative genomic analysis revealed that P. viticola evolved independently from the Arabidopsis downy mildew pathogen Hyaloperonospora arabidopsidis. The availability of the P. viticola genome provides a valuable resource not only for comparative genomic analysis and evolutionary studies among oomycetes, but also enhance our knowledge on the mechanism of interactions between this biotrophic pathogen and its host.

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