Methanogens are strictly anaerobic organisms that produce methane. Based on the nature of substrate utilization, they are classified into acetoclastic, hydrogenotrophic, and methylotrophic methanogens. Methanothrix soehngenii is a methanogen believed to be acetoclastic. A strain RWL1, similar to M. soehngenii with hydrogenotrophic activity, has been isolated, characterized and identified based on 16S rRNA sequencing. The strain RWL1 utilizes H2+CO2 (4:1) and has recorded methane production of 74.82%, thereby opening a new gate for substrate diversity studies. This study reveals the hydrogenotrophic nature of strain RWL1 clustered with M. soehngenii.
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Madras Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641
003
Tamil Nadu, India.
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