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在印度感染土豆的Alternaria物种的多样性,病原性和真菌毒素分析

Adhishree Nagda¹, Mukesh Meena²

¹Laboratory of Phytopathology and Microbial Biotechnology, Department of Botany, Mohanlal Sukhadia University, Udaipur, 313001, Rajasthan, India.

World journal of microbiology & biotechnology

|November 5, 2025

概括

这项研究描述了印度的土豆感染Alternaria物种,揭示了病原性和真菌毒素生产的显著变异性. 研究结果强调了酶和毒素在疾病发展中的协同作用,强调了监测高度毒性菌株的必要性.

科学领域:

植物病理学植物病理学
菌类学菌类学是指菌类学.
农业科学农业科学

背景情况:

替代物种是关键的土豆病原体,但它们的病原变异性和真菌毒素作用仍然不清楚.
了解这些因素对于管理印度的土豆疾病至关重要.

研究的目的:

对印度的土豆植物感染的Alternaria物种进行全面的毒性分析.
描述不同分离物的分子,形态和毒基因特征.
调查酶活性,真菌毒素生产和病原性之间的关系.

主要方法:

从印度主要的种植地区收集了有症状的土豆样本.
选择了25个代表性分离物来进行分子 (基于ITS的分化),形态和毒素特征的表征.
使用HPLC和LC-MS/MS量化菌毒素 (十亚酸,替代醇);评估了细胞壁降解酶活动.

主要成果:

植物遗传学分析将分离物分为Alternaria部分和Porri.部分.
菌毒素水平有显著的变化,检测到的是亚酸 (30.00417.81 μg/mL) 和替代 (20.0097.01 μg/mL).
较高的致病性与细胞酶和点酶活性增加相关,并且观察到酶和真菌毒素之间的协同相互作用.

结论:

印度Alternaria spp. 的一个全面的毒性概况. 在土豆上建立了.
鉴定出高度毒性的Alternaria分离物,需要加强监测.
这些发现强调了酶和真菌毒素对土豆疾病严重程度的综合影响.

关键词:

另类植物 Alternaria spp.另一个是Alternariol.在HPLC中使用HPLC.在 LCMS/MS 中使用.马 (Solanum tuberosum L.) 是一种土豆类植物.亚酸是指亚酸中的一种.

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