Lack of peptidoglycan in the cell walls of Methanosarcina barkeri |
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| Authors: | Otto Kandler Hans Hippe |
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| Affiliation: | (1) Botanisches Institut der Universität München, Menzinger Str. 67, D-8000 München 19, Federal Republic of Germany;(2) Teilsammlungen München und Göttingen, Deutsche Sammlung von Mikroorganismen, Grisebachstr. 8, D-3400 Göttingen, Federal Republic of Germany |
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| Abstract: | Neither muramic acid and glucosamine nor d-glutamic acid or other amino acids typical of peptidoglycan were found in cell walls of two strains of Methanosarcina barkeri. The main components are galactosamine, neutral sugars and uronic acids. Therefore, the structural component of the cell wall most likely consists of an acid heteropolysaccharide, resembling that of Halococcus morrhuae. It is, however, not sulfated. |
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| Keywords: | Methanosarcina barkeri Cell wall composition Peptidoglycan Heteropolysaccharide |
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