Peptidoglycan fine structure of the radiotolerant bacterium Deinococcus radiodurans Sark |
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| Authors: | JC Quintela F García-del Portillo E Pittenauer G Allmaier MA de Pedro |
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| Affiliation: | Centro de Biología Molecular "Severo Ochoa," Consejo Superior de Investigaciones Científicas-Universidad Autónoma de Madrid, Facultad de Ciencias, Campus de Cantoblanco, 28049 Madrid, Spain. |
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| Abstract: | Peptidoglycan from Deinococcus radiodurans was analyzed by high-performance liquid chromatography and mass spectrometry. The monomeric subunit was: N-acetylglucosamine-N-acetylmuramic acid-L-Ala-D-Glu-(gamma)-L-Orn-[(delta)Gly-Gly]-D-Ala-D-Ala. Cross-linkage was mediated by (Gly)2 bridges, and glycan strands were terminated in (1-->6)anhydro-muramic acid residues. Structural relations with the phylogenetically close Thermus thermophilus are discussed. |
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