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Wiley Open Access, Microbiology Open, 2(3), p. 247-256, 2014

DOI: 10.1002/mbo3.165

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The glucosaminidase domain of Atl – the major Staphylococcus aureus autolysin – has DNA ‐binding activity

Journal article published in 2014 by Inês R. Grilo ORCID, Ana Madalena Ludovice, Alexander Tomasz ORCID, Hermínia Lencastre, Rita G. Sobral
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In this communication, we describe evidence demonstrating the capacity of Atl, the major Staphylococcus aureus autolytic enzyme to bind DNA. Electrophoretic mobility shift assays (EMSA) show that both the Atl protein and the endo-β-N-acetylglucosaminidase (GL) domain were able to bind DNA of nonspecific sequence. The implications of this unexpected observation for the physiology of S. aureus remain to be explored. In this communication, we describe the capacity of Atl, the major Staphylococcus aureus autolytic enzyme, to bind DNA. Both the Atl protein and the endo-β-N-acetylglucosaminidase (GL) domain were able to bind DNA of nonspecific sequence. The implications of this unexpected observation for the physiology of Staphylococcus aureus remain to be explored. © 2014 The Authors. MicrobiologyOpen published by John Wiley & Sons Ltd.