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Cross-linkage and Cross-linking of Peptidoglycan in Escherichia Coli: Definition, Determination, and Implications

Overview
Journal J Bacteriol
Publisher American Society for Microbiology
Specialty Microbiology
Date 1992 Mar 1
PMID 1548240
Citations 8
Authors
F Driehuis
B De Jonge
N Nanninga
Affiliations
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Abstract

The glycan chains in peptidoglycan or murein are cross-linked by transpeptidation of the peptide side chains. To assess the fraction of side chains involved in cross-bridges, distinction has been made between cross-linkage and cross-linking. The first expression refers to the situation in unlabeled (or fully labeled) peptidoglycan, and the second refers to pulse-labeled peptidoglycan. It is argued that for the determination of the cross-linking value, the mode of insertion as denoted by the so-called acceptor/donor radioactivity ratio should be taken into account.

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References
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