How do methanotrophs handle the toxic effects of hydrogen sulfide?
Methanotrophs—organisms that grow by consuming methane—seem to be perfect for alleviating global warming, since methane accounts for about 30% of this effect. However, drilling sites, where the natural gas is mostly composed of methane, also contains hydrogen sulfide (H2S), which inhibits the growth of methanotrophs. In a new study, researchers have discovered that the methanotroph Methylococcus capsulatus Bath has an enzyme that helps it grow in the presence of small amounts of H2S.
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Methanotrophs—organisms that grow by consuming methane—seem to be perfect for alleviating global warming, since methane accounts for about 30% of this effect. However, drilling sites, where the natural gas is mostly composed of methane, also contains hydrogen sulfide (H2S), which inhibits the growth of methanotrophs. In a new study, researchers have discovered that the methanotroph Methylococcus capsulatus Bath has an enzyme that helps it grow in the presence of small amounts of H2S.
