Differential Adaptation of Candida albicans In Vivo Modulates Immune Recognition by Dectin-1

Mohlopheni J. Marakalala, Simon Vautier, Joanna Potrykus, Louise A. Walker, Kelly M. Shepardson, Alex Hopke, Hector M. Mora-Montes, Keunsook K. Lee , Ann Kerrigan, Mihai G. Netea, Graeme I. Murray, Donna M. MacCallum, Robert Wheeler, Carol A. Munro, Neil A.R. Gow, Robert A. Cramer, Alistair J.P. Brown, Gordon D. Brown

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117 Citations (Scopus)
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Abstract

The β-glucan receptor Dectin-1 is a member of the C-type lectin family and functions as an innate pattern recognition receptor in antifungal immunity. In both mouse and man, Dectin-1 has been found to play an essential role in controlling infections with Candida albicans, a normally commensal fungus in man which can cause superficial mucocutaneous infections as well as life-threatening invasive diseases. Here, using in vivo models of infection, we show that the requirement for Dectin-1 in the control of systemic Candida albicans infections is fungal strain-specific; a phenotype that only becomes apparent during infection and cannot be recapitulated in vitro. Transcript analysis revealed that this differential requirement for Dectin-1 is due to variable adaptation of C. albicans strains in vivo, and that this results in substantial differences in the composition and nature of their cell walls. In particular, we established that differences in the levels of cell-wall chitin influence the role of Dectin-1, and that these effects can be modulated by antifungal drug treatment. Our results therefore provide substantial new insights into the interaction between C. albicans and the immune system and have significant implications for our understanding of susceptibility and treatment of human infections with this pathogen.

Original languageEnglish
Article numbere1003315
Number of pages12
JournalPLoS Pathogens
Volume9
Issue number4
DOIs
Publication statusPublished - 18 Apr 2013
Externally publishedYes

Bibliographical note

Copyright: © 2013 Marakalala et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

ASJC Scopus subject areas

  • Parasitology
  • Microbiology
  • Immunology
  • Molecular Biology
  • Genetics
  • Virology

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  • Cite this

    Marakalala, M. J., Vautier, S., Potrykus, J., Walker, L. A., Shepardson, K. M., Hopke, A., ... Brown, G. D. (2013). Differential Adaptation of Candida albicans In Vivo Modulates Immune Recognition by Dectin-1. PLoS Pathogens, 9(4), [e1003315]. https://doi.org/10.1371/journal.ppat.1003315