Autophagy vitalizes the pathogenicity of pathogenic fungi

文献类型： 外文期刊

第一作者： Liu, Xiao-Hong

作者： Liu, Xiao-Hong;Gao, Hui-Min;Lin, Fu-Cheng;Lu, Jian-Ping;Xu, Fei;Devenish, Rodney J.;Devenish, Rodney J.;Lin, Fu-Cheng

作者机构：

关键词： appressorium;autophagy;autophagy-related (ATG) genes;infection structure;pathogenicity

期刊名称：AUTOPHAGY （ 影响因子：16.016； 五年影响因子：16.586 ）

ISSN： 1554-8627

年卷期： 2012 年 8 卷 10 期

页码：

收录情况： SCI

摘要： Plant pathogenic fungi utilize a series of complex infection structures, in particular the appressorium, to gain entry to and colonize plant tissue. As a consequence of the accumulation of huge quantities of glycerol in the cell the appressorium generates immense intracellular turgor pressure allowing the penetration peg of the appressorium to penetrate the leaf cuticle. Autophagic processes are ubiquitous in eukaryotic cells and facilitate the bulk degradation of macromolecules and organelles. The study of autophagic processes has been extended from the model yeast Saccharomyces cerevisiae to pathogenic fungi such as the rice blast fungus Magnaporthe oryzae. Significantly, null mutants for the expression of M. oryzae autophagy gene homologs lose their pathogenicity for infection of host plants. Clarification of the functions and network of interactions between the proteins expressed by M. oryzae autophagy genes will lead to a better understanding of the role of autophagy in fungal pathogenesis and help in the development of new strategies for disease control.

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