Issue 9, 2021

Roles and opportunities for microbial anaerobic oxidation of methane in natural and engineered systems

Abstract

Reduction in methane emissions to the Earth's atmosphere is a critical strategy for tackling climate change. It is well established that anaerobic oxidation of methane (AOM) associated with sulfate reduction functions as an important methane sink in marine sediments. However, recent findings show that AOM uses diverse electron acceptors across a range of habitats, prompting examination of the potential role of AOM in mitigation of methane emissions and global climate change in non-marine environments. Methane is also a valuable energy source, widely used for production of electricity. Recent studies suggest that AOM could be used to produce liquid fuels/chemicals. The potential involvement of CO2 in product formation is particularly exciting as methane bioconversion could act as a net sink of CO2. The discovery that AOM is able to transfer electrons to solid electron acceptors suggests that methane may be a suitable source of electrons for a bioelectrochemical, biosynthesis cell. In addition, AOM has been used for pollution control and environmental remediation, such as nitrogen removal from contaminated water. Herein, we review and discuss implications of the latest scientific discoveries in AOM for methane emissions from aquatic and terrestrial environments, and methane as a feedstock for various biotechnology platforms.

Graphical abstract: Roles and opportunities for microbial anaerobic oxidation of methane in natural and engineered systems

Article information

Article type
Review Article
Submitted
07 ማርች 2021
Accepted
26 ጁላይ 2021
First published
27 ጁላይ 2021

Energy Environ. Sci., 2021,14, 4803-4830

Roles and opportunities for microbial anaerobic oxidation of methane in natural and engineered systems

C. Cai, X. Zhang, M. Wu, T. Liu, C. Lai, J. Frank, B. He, E. Marcellin, J. Guo, S. Hu and Z. Yuan, Energy Environ. Sci., 2021, 14, 4803 DOI: 10.1039/D1EE00708D

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements