From Functional Genes to Biological Characteristics：The Molecular Basis of Pathogenicity in Verticillium dahliae

doi:10.13560/j.cnki.biotech.bull.1985.2021-1205

Abstract

Abstract:

Verticillium dahliae is a soil-borne vascular pathogen fungus,excavation and functional analysis of its disease-related genes has been a hotspot in plant pathology research. V. dahliae is characterized of adapting to the plant vascular niche,of inducing foliar wilting either by producing toxins or employing its secretome,of forming microsclerotia for long-term survival,and of evolving a variety of population structures,etc.,thus these traits ultimately support or determine the pathogenic basis of pathogenicity to the host. Evolutionarily,functional genes determine the biological characteristics of a pathogen. Currently,hundreds of functional genes have been identified in V. dahliae,but their relationships to the key biological characteristics and how they contribute to its virulence have remained an unexplored topic. We systematically outlined the development process of identifying the functional genes in V. dahliae,focused on sorting the relationships between pathogenicity of V. dahliae and the functional genes determining its key biological traits based on the logic clue of functional genes determining biological traits,thus clarified the relationships between pathogenicity of V. dahliae and the functional genes determining its key biological traits. This exploration will provide the theoretical foundations for systematically constructing the functional gene networks of key biological characteristics in V. dahliae and explaining the molecular basis of pathogenicity and virulence in V. dahliae from the aspect of the functional genes determining its key biological traits.

Key words: Verticillium-wilt, Verticillium dahliae, biological characteristic, functional gene, virulence pathogenicity

TIAN Li, LI Jun-jiao, DAI Xiao-feng, ZHANG Dan-dan, CHEN Jie-yin. From Functional Genes to Biological Characteristics：The Molecular Basis of Pathogenicity in Verticillium dahliae[J]. Biotechnology Bulletin, 2022, 38(1): 51-69.

Figures/Tables 1

References 142

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