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Updated: Sep 17, 2025

Determination of Biofilm Initiation on Virus-infected Cells by Bacteria and Fungi
Published on: July 6, 2016
Adhesin Als4112 promotes Candida auris skin colonization through interactions with keratinocytes and extracellular
Guolei Zhao1, Jingwen Lyu1, Natalia A Veniaminova2
1Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, USA.
Abstract:
Candida auris is a fungal pathogen notorious for persistent skin colonization and transmission in healthcare settings. Here, we show that a C. auris conserved adhesin, Als4112, is required for skin colonization via keratinocyte attachment and direct interactions with host extracellular matrix proteins, especially basement membrane proteins such as laminin. Deletion of ALS4112 reduces skin colonization in mouse models of epicutaneous and systemic infection. In addition, coating plastic and catheter surfaces with collagen I or III inhibits C. auris attachment and biofilm formation. Our study highlights the critical role of Als4112 in C. auris colonization and virulence, and explores potential strategies to reduce the pathogen's adherence to abiotic surfaces and thus its spread in healthcare settings.
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