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混合真菌培养物在压力条件下从土壤微观世界中去除草甘的能力

Melisa Eglé Aluffi¹, Karen Magnoli¹, Cecilia Soledad Carranza¹

¹Research Institute On Mycology and Micotoxicology (IMICO), National Scientific and Technical Research Council - Argentina (CONICET), Department of Microbiology and Immunology, Faculty of Exact, Physical, Chemical and Natural Sciences, National University of Río Cuarto (UNRC), Road 36 Km 601 (5800), Río Cuarto - Córdoba, Argentina.

|April 16, 2025

概括

两个真菌菌株,Aspergillus oryzae和Mucor circinelloides,有效地从土壤微观中去除了草甘 (GP) 除草剂. 这些真菌显示出生物修复的潜力,特别是在干旱和高污染等压力条件下.

科学领域:

环境微生物学环境微生物学
生物修复是一种生物修复.
农业科学农业科学

背景情况:

草甘 (GP) 是一种广泛使用的除草剂,污染了生态系统.
从土壤中去除GP的有效方法对于环境保护至关重要.

研究的目的:

评估Aspergillus oryzae AM2和Mucor circinelloides 166的草甘去除能力.
评估混合培养和不同土壤水分和污染水平下的真菌表现.

主要方法:

使用两个真菌菌株 (Aspergillus oryzae AM2, Mucor circinelloides 166) 单独和混合培养的微观实验.
在不同的土壤湿度条件 (30%和70%的田间容量) 和草甘度 (5000和15,000毫克/公斤) 下进行测试.
监测草甘的去除和检测其代谢物,氨基甲基酸 (AMPA).

主要成果:

在大多数治疗中,本地微生物群落在大多数治疗中实现了超过95%的草甘去除.
在水应激 (30%FC) 和高污染 (15,000毫克/公斤-1GP) 条件下,与本地微生物 (33%) 相比,共同培养显示出更高的去除率 (≥80%).
增加的AMPA水平表明生物降解作为主要去除机制.

结论:

阿斯珀吉勒斯和Mucor circinelloides显示了草甘生物修复的潜力.
在压力较大的环境条件下,真菌共同培养有效地去除草甘.
生物降解是污染土壤中草甘消散的一个关键过程.

关键词:

亚斯伯吉illus oryzae 是一个植物.粘菌是循环类的.氨基甲基酸去除的氨基甲基酸去除方法草甘是一种天然的草甘.总的真菌计数总的真菌计数是多少

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