Extracellular vesicle-associated transitory cell wall components and their impact on the interaction of fungi with host cells

Leonardo Nimrichter, Marcio M. De Souza, Maurizio Del Poeta, Joshua D. Nosanchuk, Luna Joffe, Patricia De M Tavares, Marcio L. Rodrigues

Research output: Contribution to journalReview article

28 Scopus citations

Abstract

Classic cell wall components of fungi comprise the polysaccharides glucans and chitin, in association with glycoproteins and pigments. During the last decade, however, system biology approaches clearly demonstrated that the composition of fungal cell walls include atypical molecules historically associated with intracellular or membrane locations. Elucidation of mechanisms by which many fungal molecules are exported to the extracellular space suggested that these atypical components are transitorily located to the cell wall. The presence of extracellular vesicles (EVs) at the fungal cell wall and in culture supernatants of distinct pathogenic species suggested a highly functional mechanism of molecular export in these organisms. Thus, the passage of EVs through fungal cell walls suggests remarkable molecular diversity and, consequently, a potentially variable influence on the host antifungal response. On the basis of information derived from the proteomic characterization of fungal EVs from the yeasts Cryptoccocus neoformans and Candida albicans and the dimorphic fungi Histoplasma capsulatum and Paracoccidioides brasiliensis, our manuscript is focused on the clear view that the fungal cell wall is much more complex than previously thought.

Original languageEnglish (US)
Article number1034
JournalFrontiers in Microbiology
Volume7
Issue numberJUL
DOIs
StatePublished - Jul 8 2016

Keywords

  • Cell wall remodeling
  • Extracellular vesicles
  • Fungal cell wall
  • Host cell
  • Proteomics

ASJC Scopus subject areas

  • Microbiology
  • Microbiology (medical)

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