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Reinhard W. Kaplan 《Die Naturwissenschaften》1950,37(11):249-254
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Reinhard W. Kaplan 《Die Naturwissenschaften》1950,37(12):276-284
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Methanogenic bacteria area diverse group of anaerobic procaryotes that ferment CO2 plus H2 to CH4. Besides their unusual energy metabolism they are unique in that their cell walls do not contain murein, and in that their cell membranes are composed of isoprenoid lipids. Coenzymes occur which are not found in any other living organism. The translation apparatus differs, e.g., in not being affected by antibiotics known to be inhibitors of procaryotic protein synthesis. Most of the methanogens can grow on CO2 as sole carbon source; autotrophic CO2 fixation does not, however, proceed via reactions of the Calvin cycle. Molecular genealogical analysis has revealed that methanogenic bacteria constitute a grouping phylogenetically distinct from most other procaryotes. 相似文献
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