Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2022 Feb 25;13(3):6521–6557. doi: 10.1080/21655979.2022.2035986

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2022 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

Figure 2. — Methanogenesis pathways: Hydrogenotrophic (a), methylotrophic (b), and aceticlastic (c). The methanogenesis common reactions are marked red. fdh: formate dehydrogenase; fmd: formylmethanofuran dehydrogenase; ftr: formylmethanofuran-tetrahydromethanopterin formyl-transferase; mch: methenyl-tetrahydromethanopterin cyclohydrolase; mtd: methylenetetrahydromethanopterin dehydrogenase; mer: methylenetetrahydromethanopterin reductase; mtr: methyl-tetrahydromethanopterin S-methyltransferase; mcr: methyl-coenzyme M reductase; mt: methyltransferase; hdr: heterodisulfide reductase; ech: energy-converting hydrogenase; CODH-ACS: CO dehydrogenase/acetyl-CoA synthase. The figure was adapted from Niu et al. [303].