Alkylsuccinate synthase (AssA / MasD) catalyses fumarate-dependent anaerobic alkane activation. Characterised enzymes are confined to a few cultured sulfate reducers, nitrate-reducers and the archaeon Archaeoglobus fulgidus, and each acts over a narrow carbon-number range. Sequence similarity alone does not separate As...
Boonfei Tan, Christian Zafra, C. Ng· Scientific Reports· 0 citations
Abstract Smithella are repeatedly implicated as primary alkane activators in methanogenic hydrocarbon-degrading communities, yet the propionate-oxidizing type species and many relatives cannot activate alkanes, and the genus’s diversity and functional differentiation remain poorly resolved. Here, we present genus-scale...
Boonfei Tan, Christian Zafra, C. Ng· ISME Communications· 0 citations
Analysis of uncultured Nap2-2B bacteria genomes supports a syntrophic guild structured by substrate partitioning, putative cofactor complementation, and distinct electron-disposal strategies that may shape methanogenic hydrocarbon attenuation in anoxic tailings environments.
Boonfei Tan, Christian Zafra, C. Ng· Scientific Reports· 0 citations
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