热带地区不同类型的土壤中使用乳酸细菌配方的微生物降解白胺
Arulkumar Gopal1, Johnson Thangaraj Edward Yesuvadian Swamidason2, Paramasivam Mariappan1
1Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore, 641003, India.
Scientific reports
|August 10, 2025
概括
乳酸细菌 (LAB) 加快了土壤中持久杀虫剂flubendiamide的分解. 这种微生物处理显著减少了农药残留物,为二污染的环境提供了一个有希望的解决方案.
科学领域:
- 环境微生物学 环境微生物学
- 农业化学 农业化学
- 生物修复是一种生物修复.
背景情况:
- 杀虫剂残留物,包括持久杀虫剂二,对人类健康和生态系统构成重大风险.
- 土壤微生物在农药降解中发挥着至关重要的作用,具有生物修复应用的潜力.
- 乳酸细菌 (LAB),以其安全性和食品保存中的使用而闻名,在提高农药降解率方面显示出前景.
研究的目的:
- 评估乳酸细菌 (LAB) 配方在降解印度各种土壤类型中的白胺的有效性.
- 使用先进的分析技术,量化流二胺及其代谢物流二胺的减少.
- 为了确定 LAB 应用对不同土壤条件下的白胺消散率和半衰期的影响.
主要方法:
- 使用牛奶粉,,葡萄汁和蛋制备了一种半固体LAB配方,其中含有乳球菌乳酸菌,乳球菌托菌和菌菌.
- 在实验室条件下,在有或没有LAB处理的情况下,在酸性,中性和性印度土壤中评估了白胺降解.
- 用超高性能液态染色学与光二极管阵列探测器 (UHPLC-PDA) 结合进行了白胺和 desiodo flubendiamide 的残留分析.
主要成果:
- 与未经处理的土壤相比,在用LAB处理的土壤中,白胺的消散速度明显更快.
- 从LAB修改土壤的第三天进行后处理后,观察到流二胺和滴氧流二胺残留物明显减少.
- 与没有LAB (23.9036.47天) 的土壤相比,在LAB (21.6633天) 的土壤中,白胺的半衰期值降低了,降解顺序为:酸性>中性>酸性土壤.
- 较高的LAB种群与增加的flubendiamide降解率相关.
结论:
- 乳酸细菌 (LAB) 显示出在二污染土壤的生物修复方面具有显著的潜力.
- 应用LAB可以加快flubendiamide残留物的消散,减少环境持久性.
- 进一步研究和应用LAB可能会导致农药污染农田的可持续管理策略.
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