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Vesicle-mediated drug resistance of Candida albicans biofilm

US · IL NIH grant awarded #nih-4R01AI073289-17

Summary

This project investigates the mechanisms of antifungal drug resistance in Candida albicans biofilms, focusing on the role of extracellular vesicles (EVs) and their cargo in mediating resistance.

What they want

The research builds on previous findings regarding EV delivery of matrix components and the impact of ESCRT pathway components and the antifungal turbinmicin on EV production. The current investigation hypothesizes that studying loss-of-function TF mutants and their effectors will identify regulatory networks for biofilm EV production and cargo packaging, and uncover roles for EV cargo in biofilm biology and drug resistance. This will involve testing EV biofilm hypotheses using three distinct functional TF mutant groups, turbinmicin as a pharmacologic tool, and EV and biofilm assays.
Deliverables
  • Define the Candida regulatory pathways that govern vesicle delivery and maturation of the matrix-resistance mechanism
  • Discern the genetic effectors responsible for production and delivery of virulence constituents
Technical requirements
  • Exogenous EV add-back assays
  • Genetic manipulation of TF mutants
  • EV and biofilm assays
Vesicle-mediated drug resistance of Candid…
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