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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Supplementation Of Sulfide Or Acetate And 2-Mercaptoethane Sulfonate Restores Growth Of The Methanosarcina Acetivorans Δhdrabc Deletion Mutant During Methylotrophic Methanogenesis, Alicia M. Salvi, Niaz Bahar Chowdhury, Rajib Saha, Nicole R. Buan
Supplementation Of Sulfide Or Acetate And 2-Mercaptoethane Sulfonate Restores Growth Of The Methanosarcina Acetivorans Δhdrabc Deletion Mutant During Methylotrophic Methanogenesis, Alicia M. Salvi, Niaz Bahar Chowdhury, Rajib Saha, Nicole R. Buan
Department of Biochemistry: Faculty Publications
Methanogenic archaea are important organisms in the global carbon cycle that grow by producing methane gas. Methanosarcina acetivorans is a methanogenic archaeum that can grow using methylated compounds, carbon monoxide, or acetate and produces renewable methane as a byproduct. However, there is limited knowledge of how combinations of substrates may affect metabolic fluxes in methanogens. Previous studies have shown that heterodisulfide reductase, the terminal oxidase in the electron transport system, is an essential enzyme in all methanogens. Deletion of genes encoding the nonessential methylotrophic heterodisulfide reductase enzyme (HdrABC) results in slower growth rate but increased metabolic efficiency. We hypothesized that …