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多元元素修改重塑了树根球微生物组:一种微生物驱动的Fe/Mn/S协同作用,用于Cd固定

Fanyi Kong¹, Dong-Xing Guan¹, Luotian Lu¹

¹Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Key Laboratory of Environmental Remediation and Ecosystem Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.

Environmental research

|October 1, 2025

概括

--修正 (FSY) 通过促进微生物铁,和硫循环,减少土壤 (Cd). 这增强了矿物质固定和微生物Cd耐药性,确保了更安全的水种植.

科学领域:

环境微生物学环境微生物学
土壤科学土壤科学
生物地质化学生物地质化学

背景情况:

土壤中的 (Cd) 污染对大米安全和人类健康构成重大风险.
--修正 (FSY) 是减少土壤中Cd生物可用性的有希望的策略.
根据FSY在Cd固定中有效性的特定微生物机制需要进一步研究.

研究的目的:

调查FSY对水根球微生物组结构和功能的影响.
为了阐明微生物驱动因素,负责Cd在FSY应用后的不动化.
了解铁 (Fe), (Mn) 和硫 (S) 之间的协同相互作用,通过微生物介导的Cd修复循环.

主要方法:

整合元基因组学和机器学习方法.
细菌,考古和真菌社区结构和功能的分析.
同时发生的网络分析,以评估微生物相互作用,并确定关键的功能分类.

主要成果:

FSY显著重塑了细菌和考古社区,考古组装变得更加决定性.
应用FSY上调了参与铁/氧化,硫酸盐减少和耐药性的微生物基因.
机器学习确定了14种核心物种,驱动协同Fe/Mn/S-Cd相互作用,增强矿物质固定和微生物Cd耐药性.

结论:

FSY通过增强矿物固定 (铁斑和硫化沉) 和增加社区级Cd耐药性来促进微生物驱动的Cd固定协同模型.
这项研究提供了对化学修订如何诱导重金属修复的特定微生物功能的机制性理解.
这些发现提供了一种科学基础的策略,用于减轻污染土壤中的重金属风险,促进农田的安全使用.

关键词:

整治中的整治方法铁斑块是一种铁斑块.转基因组学是指转基因组学.微生物社区的微生物社区.米根球是指米的根球.协同的固定化协同作用.

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