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<p><i>Candida auris</i> is a fungal pathogen notorious for persistent skin colonization and transmission in healthcare settings. Here, we show that a <i>C. auris</i> 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 <i>ALS4112</i> reduces skin colonization in mouse models of epicutaneous and systemic infection. In addition, coating plastic and catheter surfaces with collagen I or III inhibits <i>C. auris</i> attachment and biofilm formation. Our study highlights the critical role of Als4112 in <i>C. auris</i> colonization and virulence, and explores potential strategies to reduce the pathogen’s adherence to abiotic surfaces and thus its spread in healthcare settings.</p>

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Adhesin Als4112 promotes Candida auris skin colonization through interactions with keratinocytes and extracellular matrix proteins

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月1日

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  • Guolei Zhao,
  • Jingwen Lyu,
  • Natalia A. Veniaminova,
  • Robert Zarnowski,
  • Eliciane Mattos,
  • Chad J. Johnson,
  • Derek Quintanilla,
  • Haley Hautau,
  • LeeAnn A. Hold,
  • Bin Xu,
  • Juliet A. E. Anku,
  • Kaustav Dasgupta,
  • Joseph J. Hale,
  • Steph S. Steltzer,
  • Darian J. Santana,
  • Ashraf S. Ibrahim,
  • Evan S. Snitkin,
  • David Andes,
  • Jeniel E. Nett,
  • Shakti Singh,
  • Adam C. Abraham,
  • Megan L. Killian,
  • J. Michelle Kahlenberg,
  • Sunny Y. Wong,
  • Teresa R. O’Meara

摘要

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.