Origin and pathogenicity variation of Plasmopara viticola in China.

IF 4 2区 生物学 Q2 MICROBIOLOGY
Frontiers in Microbiology Pub Date : 2025-01-15 eCollection Date: 2024-01-01 DOI:10.3389/fmicb.2024.1433024
Wei Wu, Yuchen Chen, Huimin Huang, Rongfang Li, Bohan Yang, Junli Lv, Ling Yin, Junjie Qu, Shiren Song, Yachun Peng, Peining Fu, Jiang Lu
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引用次数: 0

Abstract

Grapevine downy mildew caused by Plasmopara viticola (Pv) is one of the most devastating diseases of grapevine in China. To understand the origin and pathogenicity of Chinese Pv, a total of 193 single-sporangiophore isolates were obtained from 14 Chinese major viticulture areas. Phylogenetic analyses suggest that Chinese Pv isolates originate from North America and belong to the P. viticola clade aestivalis. Host range experiments reveal that Chinese Pv are able to infect a wide range of Vitis species from different geographic origins, including Eurasian species Vitis vinifera, North American species V. aestivalis, V. riparia, and V. rupestris, and East Asian Vitis species V. davidii, V. amurensis, and V. hancockii. Analyses of the interactions between Pv isolates and grapevines reveal that the virulence of Pv isolates is correlated with the occurrence time and magnitude of hypersensitive response-mediating leaf necrosis in grape leaves caused by Pv. These understandings of genetic diversity and pathogenicity of Chinese Pv isolate would be useful to develop strategies for controlling grapevine downy mildew spread.

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来源期刊
CiteScore
7.70
自引率
9.60%
发文量
4837
审稿时长
14 weeks
期刊介绍: Frontiers in Microbiology is a leading journal in its field, publishing rigorously peer-reviewed research across the entire spectrum of microbiology. Field Chief Editor Martin G. Klotz at Washington State University is supported by an outstanding Editorial Board of international researchers. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, clinicians and the public worldwide.
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