Structure of the peptidoglycans of Moraxella glucidolytica and Moraxella lwoffi grown on hydrocarbons
- 1 January 1977
- journal article
- research article
- Published by Springer Nature in Archiv für Mikrobiologie
- Vol. 112 (3) , 297-302
- https://doi.org/10.1007/bf00413096
Abstract
The peptidoglycans of Moraxella glucidolytica and Moraxella lwoffi grown on aliphatic hydrocarbons were isolated. They contained muramic acid. glucosamine, alanine, d-glutamic acid and meso-diaminopimelic acid in a molar ratio of about 0.5:0.5:1.6:1.0:1.0 (M. glucidolytica) and 0.8:0.7:1.3:1.0:1.0 (M. lwoffi). The peptidoglycans were lysozyme-resistant. However, when treated with formamide, they could be partially degraded by lysozyme. The fragments were purified and their structure determined. In both strains, the peptide subunits consisted mainly of tripeptides (l-Ala-d-Glu-meso-DAP) and tetrapeptides (l-Ala-d-Glu-meso-DAP-d-Ala), most of them being directly cross-linked. It is concluded that in both strains the primary structures of the peptidoglycans are closely related.Keywords
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