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土壤受污染的系统塑造了与Arundo donax相关的内菌群落:一个实地实验

Xiaohui Wang¹, Yao Wang¹, Yingqiang Sun¹

¹Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, China.

|January 14, 2025

概括

巨 (Arundo donax) 中的内菌有助于植物在被采矿污染和红泥污染的土壤中生存. 体体 (Pleosporales sp.) 是一种体体. 对未来的生物修复策略显示出希望.

科学领域:

环境科学环境科学
微生物学微生物学
植物科学植物科学

背景情况:

采矿活动产生微元素 (MP) 和红泥 (RM) 污染,阻碍植物生长.
生物修复是一种可持续的解决方案,但在受污染的土壤中植物的生存是具有挑战性的.
阿伦多多纳克斯 (Arundo donax) 在受RM影响的土壤中表现出弹性,使其成为植物修复研究的关键物种.

研究的目的:

在各种受污染的环境中识别支持Arundo donax的内菌.
将MP和RM土壤中的真菌群落与未受污染的土壤进行比较.
为未来关于结合菌根技术与超积累植物的研究提供信息.

主要方法:

实地实验比较了Arundo donax中的内菌在三种土壤类型中:未受污染,MP受污染 (Cd,As,Pb) 和RM受污染.
对土壤营养成分概况和重金属度的分析.
使用共发生网络分析进行内性真菌社区结构分析.

主要成果:

根据污染类型,土壤营养特征有很大差异;MP土壤超过了Cd标准,RM土壤的Al,Fe和度高.
在三种土壤类型 (p < 0.001) 中观察到固体真菌社区结构的显著差异.
体体 (Pleosporales sp.) 是一种体体. 被确定为在RM土壤中占主导地位,有益的内植物 (18%的相对丰度),在MP和RM土壤真菌之间观察到不同的利基动态.

结论:

内生真菌在使Arundo donax能够在受污染的环境中壮成长方面发挥着至关重要的作用.
根据土壤污染情况,真菌群体表现出不同的相互作用策略 (竞争性与共享的利基).
体体 (Pleosporales sp.) 是一种体体. 代表了生物修复应用的有希望的候选者,增强了污染土壤中的植物微生物相互作用.

关键词:

污染的土壤被污染了高吞吐量测序的测序方法微生物网络是一个微生物网络.植物疗法 (Phytoremediation) 是一种植物疗法.红泥土是一种红泥土.

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