From Player to Pawn: Viral Avirulence Factors Involved in Plant Immunity.
From Player to Pawn: Viral Avirulence Factors Involved in Plant Immunity.
复制标题
从玩家到棋子:参与植物免疫的病毒无毒因子。
DOI:
10.3390/v13040688
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发表时间:
2021-04-16
期刊:
影响因子:
--
通讯作者:
Huang C
中科院分区:
文献类型:
--
作者:
Huang C
In the plant immune system, according to the ‘gene-for-gene’ model, a resistance (R) gene product in the plant specifically surveils a corresponding effector protein functioning as an avirulence (Avr) gene product. This system differs from other plant–pathogen interaction systems, in which plant R genes recognize a single type of gene or gene family because almost all virus genes with distinct structures and functions can also interact with R genes as Avr determinants. Thus, research conducted on viral Avr-R systems can provide a novel understanding of Avr and R gene product interactions and identify mechanisms that enable rapid co-evolution of plants and phytopathogens. In this review, we intend to provide a brief overview of virus-encoded proteins and their roles in triggering plant resistance, and we also summarize current progress in understanding plant resistance against virus Avr genes. Moreover, we present applications of Avr gene-mediated phenotyping in R gene identification and screening of segregating populations during breeding processes.
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