揭示土壤微生物在硒循环中的重要作用:综述

IF 4 2区 生物学 Q2 MICROBIOLOGY
Zhihui Jiang, Zhiyong Wang, Yong Zhao, Mu Peng
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引用次数: 0

摘要

硒(Se)是一种重要的微量元素,与动植物的许多生物过程密不可分,对土壤健康和生态系统的稳定性有重大影响。本综述探讨了土壤微生物如何通过还原、氧化、甲基化和去甲基化过程促进硒的转化,从而影响硒的生物利用率和生态功能。微生物还原硒化合物,特别是将硒酸盐和亚硒酸盐转化为元素硒纳米颗粒(SeNPs),可提高植物对硒的吸收,影响土壤生产力。包括假单胞菌和芽孢杆菌等细菌在内的主要微生物类群表现出多种硒还原机制,在全球硒循环中发挥着重要作用。了解这些微生物过程对于推进土壤管理实践和改善生态系统健康至关重要。本综述强调了 Se 与土壤微生物之间错综复杂的相互作用,强调了它们在维持生态平衡和促进可持续农业实践中的重要作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Unveiling the vital role of soil microorganisms in selenium cycling: a review
Selenium (Se) is a vital trace element integral to numerous biological processes in both plants and animals, with significant impacts on soil health and ecosystem stability. This review explores how soil microorganisms facilitate Se transformations through reduction, oxidation, methylation, and demethylation processes, thereby influencing the bioavailability and ecological functions of Se. The microbial reduction of Se compounds, particularly the conversion of selenate and selenite to elemental Se nanoparticles (SeNPs), enhances Se assimilation by plants and impacts soil productivity. Key microbial taxa, including bacteria such as Pseudomonas and Bacillus, exhibit diverse mechanisms for Se reduction and play a substantial role in the global Se cycle. Understanding these microbial processes is essential for advancing soil management practices and improving ecosystem health. This review underscores the intricate interactions between Se and soil microorganisms, emphasizing their significance in maintaining ecological balance and promoting sustainable agricultural practices.
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来源期刊
CiteScore
7.70
自引率
9.60%
发文量
4837
审稿时长
14 weeks
期刊介绍: Frontiers in Microbiology is a leading journal in its field, publishing rigorously peer-reviewed research across the entire spectrum of microbiology. Field Chief Editor Martin G. Klotz at Washington State University is supported by an outstanding Editorial Board of international researchers. This multidisciplinary open-access journal is at the forefront of disseminating and communicating scientific knowledge and impactful discoveries to researchers, academics, clinicians and the public worldwide.
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