Definition of methanogen in English:

methanogen

noun ˈmɛθənə(ʊ)dʒ(ə)nmɛˈθanə(ʊ)dʒ(ə)nˈmeTHənəjən

Biology

A methane-producing bacterium, especially an archaean which reduces carbon dioxide to methane.
〔生〕产甲烷菌（尤指将二氧化碳还原成甲烷的古细菌）
Example sentencesExamples
- Methane is formed by a unique group of anaerobic bacteria belonging to the Archaea, the methanogens.
- Since the discovery that methanogens belong to the Archaea and not to the Bacteria, a number of other archaeal groups have been discovered.
- In this regard, both the phylogeny and function of archaeal selenoproteins are consistent with the argument that the archaeal ancestor was a methanogen.
- Dog feces naturally contain bacteria called methanogens, which use hydrogen to break down carbon dioxide into microbial food.
- Among the archaebacteria, the genome that is most similar to yeast at all thresholds is that of the methanogen Methanosarcina mazei.

Derivatives

methanogenic

adjective məˈθənə(ʊ)ˌdʒɛnɪkmɛθənə(ʊ)ˈdʒɛnɪk

Biology

Until recently, the distribution of these functions has been limited to methanogenic archaea and methylotrophic proteobacteria, and their evolutionary history remained obscure.
Example sentencesExamples
- The association between anaerobic heterotrichous ciliates and endosymbiotic methanogenic archaea depends on the presence of hydrogenosomes that provide intracellular hydrogen as a substrate for methane formation.
- It is easy to speculate that methanogenic bacteria living beneath the surface of Mars could be the active source.
- Sulfate-reducing bacteria directly compete with methanogenic bacteria for vital substrates, such as hydrogen and acetate.
- Continued metabolism of residual organic matter by methanogenic bacteria results in the production of biogenic methane which, under favourable circumstances, can accumulate in commercial quantities.

Definition of methanogen in US English:

methanogen

nounˈmeTHənəjən

Biology

A methane-producing bacterium, especially an archaean which reduces carbon dioxide to methane.
〔生〕产甲烷菌（尤指将二氧化碳还原成甲烷的古细菌）
Example sentencesExamples
- Since the discovery that methanogens belong to the Archaea and not to the Bacteria, a number of other archaeal groups have been discovered.
- In this regard, both the phylogeny and function of archaeal selenoproteins are consistent with the argument that the archaeal ancestor was a methanogen.
- Methane is formed by a unique group of anaerobic bacteria belonging to the Archaea, the methanogens.
- Among the archaebacteria, the genome that is most similar to yeast at all thresholds is that of the methanogen Methanosarcina mazei.
- Dog feces naturally contain bacteria called methanogens, which use hydrogen to break down carbon dioxide into microbial food.

词汇	methanogen
释义	Definition of methanogen in English: methanogen noun ˈmɛθənə(ʊ)dʒ(ə)nmɛˈθanə(ʊ)dʒ(ə)nˈmeTHənəjən Biology A methane-producing bacterium, especially an archaean which reduces carbon dioxide to methane. 〔生〕产甲烷菌（尤指将二氧化碳还原成甲烷的古细菌） Example sentencesExamples Methane is formed by a unique group of anaerobic bacteria belonging to the Archaea, the methanogens. Since the discovery that methanogens belong to the Archaea and not to the Bacteria, a number of other archaeal groups have been discovered. In this regard, both the phylogeny and function of archaeal selenoproteins are consistent with the argument that the archaeal ancestor was a methanogen. Dog feces naturally contain bacteria called methanogens, which use hydrogen to break down carbon dioxide into microbial food. Among the archaebacteria, the genome that is most similar to yeast at all thresholds is that of the methanogen Methanosarcina mazei. Derivatives methanogenic adjective məˈθənə(ʊ)ˌdʒɛnɪkmɛθənə(ʊ)ˈdʒɛnɪk Biology Until recently, the distribution of these functions has been limited to methanogenic archaea and methylotrophic proteobacteria, and their evolutionary history remained obscure. Example sentencesExamples The association between anaerobic heterotrichous ciliates and endosymbiotic methanogenic archaea depends on the presence of hydrogenosomes that provide intracellular hydrogen as a substrate for methane formation. It is easy to speculate that methanogenic bacteria living beneath the surface of Mars could be the active source. Sulfate-reducing bacteria directly compete with methanogenic bacteria for vital substrates, such as hydrogen and acetate. Continued metabolism of residual organic matter by methanogenic bacteria results in the production of biogenic methane which, under favourable circumstances, can accumulate in commercial quantities. Definition of methanogen in US English: methanogen nounˈmeTHənəjən Biology A methane-producing bacterium, especially an archaean which reduces carbon dioxide to methane. 〔生〕产甲烷菌（尤指将二氧化碳还原成甲烷的古细菌） Example sentencesExamples Since the discovery that methanogens belong to the Archaea and not to the Bacteria, a number of other archaeal groups have been discovered. In this regard, both the phylogeny and function of archaeal selenoproteins are consistent with the argument that the archaeal ancestor was a methanogen. Methane is formed by a unique group of anaerobic bacteria belonging to the Archaea, the methanogens. Among the archaebacteria, the genome that is most similar to yeast at all thresholds is that of the methanogen Methanosarcina mazei. Dog feces naturally contain bacteria called methanogens, which use hydrogen to break down carbon dioxide into microbial food.
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