厌氧甲烷古菌如何利用各种电子受体：机理与应用前景

IF 11.4 1区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Critical Reviews in Environmental Science and Technology Pub Date : 2024-09-26 DOI:10.1080/10643389.2024.2410056

Jiaqi Wang, Baolan Hu

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引用次数: 0

摘要

厌氧低营养古菌（ANME）在全球地球化学循环中发挥着至关重要的作用，并对温室气体排放产生重大影响。它们利用硫酸盐、硝酸盐/亚硝酸盐、金属氧化物等各种电子受体，将甲烷循环与硫循环、氮循环和金属元素循环结合起来。本综述总结了ANME古菌利用不同电子受体的潜在机制，包括种间直接电子传递、水平基因转移、能量守恒和特殊细胞组成。此外，这篇综述还强调了ANME古菌在解决环境问题方面的应用前景，并揭示了蓬勃发展的研究需求。本综述旨在全面了解厌氧微生物古菌利用各种电子受体的能力，最终目标是利用这些知识减少甲烷排放、去除污染物、发电和产生有价值的化学物质以及其他相关应用。

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How anaerobic methanotrophic archaea utilize various electron acceptors: Mechanisms and application prospects

ANaerobic MEthanotrophic archaea (ANME) archaea play crucial roles in global geochemical cycles and exert significant influence on greenhouse gas emissions. They have coupled the methane cycle with the sulfur cycle, nitrogen cycle, and the metal element cycle by utilizing various electron acceptors such as sulfate, nitrate/nitrite, metal oxides. This review summarizes the potential mechanisms underlying the utilization of different electron acceptors by ANME archaea, encompassing direct interspecies electron transfer, horizontal gene transfer, energy conservation and specialized cellular composition. Additionally, this review also underscores the promising applications of ANME archaea in addressing environmental concerns and sheds light on the burgeoning research imperative. This review aims to furnish a comprehensive understanding of ANME archaea’s capability for utilizing diverse electron acceptors, with the ultimate goal of leveraging this knowledge for methane emission reduction, pollutants removal, electricity and valuable chemicals generation, and other pertinent applications.

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来源期刊

Critical Reviews in Environmental Science and Technology 环境科学-环境科学

CiteScore

27.30

自引率

1.60%

发文量

审稿时长

2 months

期刊介绍： Two of the most pressing global challenges of our era involve understanding and addressing the multitude of environmental problems we face. In order to tackle them effectively, it is essential to devise logical strategies and methods for their control. Critical Reviews in Environmental Science and Technology serves as a valuable international platform for the comprehensive assessment of current knowledge across a wide range of environmental science topics. Environmental science is a field that encompasses the intricate and fluid interactions between various scientific disciplines. These include earth and agricultural sciences, chemistry, biology, medicine, and engineering. Furthermore, new disciplines such as environmental toxicology and risk assessment have emerged in response to the increasing complexity of environmental challenges. The purpose of Critical Reviews in Environmental Science and Technology is to provide a space for critical analysis and evaluation of existing knowledge in environmental science. By doing so, it encourages the advancement of our understanding and the development of effective solutions. This journal plays a crucial role in fostering international cooperation and collaboration in addressing the pressing environmental issues of our time.