Kasugamycin disrupts membrane transport and reduces virulence in Pectobacterium aroidearum to control konjac soft rot
文献类型： 外文期刊
作者： Xiong, Chunlan 1 ; Zhou, Xue 1 ; Tu, Yupei 3 ; Zhu, Yu 1 ; Du, Xiaojuan 1 ; Li, Kaihuai 1 ; Liu, Fengquan 1 ;
作者机构： 1.Guizhou Univ, Coll Agr, Dept Plant Pathol, Guiyang 550025, Peoples R China
2.Guizhou Univ, Coll Agr, Key Lab Agr Microbiol, Guiyang 550025, Peoples R China
3.EPINTEK Guiyang Ltd, Guiyang 550014, Peoples R China
4.Guizhou Univ, Inst Vegetable Ind Technol Res, Guiyang 550025, Peoples R China
5.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing 210014, Peoples R China
关键词：
Konjac; Soft rot;
期刊名称：PHYTOPATHOLOGY RESEARCH （ 影响因子：3.5； 五年影响因子：3.9 ）
ISSN： 2096-5362
年卷期： 2025 年 7 卷 1 期
页码：
收录情况： SCI
摘要： Konjac (Amorphophallus konjac) is an important food crop and a traditional medicinal herb in China. However, bacterial soft rot poses a serious threat to konjac production and quality. In this study, we identified Pectobacterium aroidearum as the causative pathogen of soft rot in konjac and investigated the antibacterial effects of kasugamycin (KSM) against this bacterium. Our results show that KSM exhibits strong antibacterial activity, significantly reducing the virulence of P. aroidearum and providing both protective and curative effects against konjac soft rot. Further mechanistic analysis reveal that KSM disrupts key gene expression associated with membrane transport in P. aroidearum, leading to inhibited swimming motility, reduced production of virulence factors, and significant alterations in cell morphology. These findings highlight the antibacterial properties of KSM against P. aroidearum, offering valuable insights into its potential application for treating bacterial soft rot in konjac.
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