A two-way road: novel roles for fungal extracellular vesicles

Marcio L. Rodrigues, Arturo Casadevall

Research output: Contribution to journalReview articlepeer-review

Abstract

The biological functions of fungal extracellular vesicles (EVs) or exosomes have been mostly determined on the basis of the assumption that they are vehicles of trans-cell wall transport and molecular export. The possibility that fungal cells can bind to and internalize EVs remained largely unaddressed. Recent studies, however, demonstrated that fungal cells can internalize host-derived and/or fungal EVs through processes that profoundly modify their regular physiology. To illustrate this novel view, we discuss (i) the uptake of plant EVs by phytopathogenic fungi culminating in growth defects and virulence attenuation, (ii) the influence of EV internalization in prion transmission and biofilm formation in yeast cells, and (iii) the EV-mediated transfer of virulence in isolates of Cryptococcus gattii. These recent observations indicate that the functions exerted by EVs in fungal cells result from previously unknown mechanisms of bidirectional transport, opening new venues for the investigation of how EVs impact fungal physiology.

Original languageEnglish (US)
Pages (from-to)11-15
Number of pages5
JournalMolecular Microbiology
Volume110
Issue number1
DOIs
StatePublished - Oct 2018

ASJC Scopus subject areas

  • Microbiology
  • Molecular Biology

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