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Widespread Bathyarchaeia encode a novel methyltransferase utilizing lignin‐derived aromatics by Tiantian Yu; Haining Hu; Xianhong Zeng; Yinzhao Wang; Donald Pan; Longhui Deng; Lewen Liang; Jialin Hou; Fengping Wang is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.
What is Widespread Bathyarchaeia encode a novel methyltransferase utilizing lignin‐derived aromatics about?
## Abstract Lignin degradation is a major process in the global carbon cycle across both terrestrial and marine ecosystems. __Bathyarchaeia__, which are among the most abundant microorganisms in marine sediment, have been proposed to mediate anaerobic lignin degradation. However, the mechanism of bathyarchaeial lignin degradation remains unclear. Here, we report an enrichment culture of __Bathyarchaeia__, named __Candidatus__ Baizosediminiarchaeum ligniniphilus DL1YTT001 (__Ca__. B. ligniniphilus), from coastal sediments that can grow with lignin as the sole organic carbon source under mesophilic anoxic conditions. __Ca__. B. ligniniphilus possesses and highly expresses novel methyltransferase 1 (MT1, __mtgB__) for transferring methoxyl groups from lignin monomers to cob(I)alamin. MtgBs have no homology with known microbial methyltransferases and are present only in bathyarchaeial lineages. Heterologous expression of the __mtgB__ gene confirmed __O__‐demethylation activity. The __mtgB__ genes were identified in metagenomic data sets from a wide range of coastal sediments, and they were highly expressed in coastal sediments from the East China Sea. These findings suggest that __Bath
Who reads Widespread Bathyarchaeia encode a novel methyltransferase utilizing lignin‐derived aromatics?
It is typically read by researchers, students, and practitioners in Biochemistry, Genetics and Molecular Biology.
- Author
- Tiantian Yu; Haining Hu; Xianhong Zeng; Yinzhao Wang; Donald Pan; Longhui Deng; Lewen Liang; Jialin Hou; Fengping Wang
- Publisher
- Wiley
- Published
- 2023
- Language
- EN
- Field
- Biochemistry, Genetics and Molecular Biology (Life Sciences)