Related Experiment Video

Updated: May 7, 2026

Whole Genome Sequencing of Candida glabrata for Detection of Markers of Antifungal Drug Resistance
08:45

Whole Genome Sequencing of Candida glabrata for Detection of Markers of Antifungal Drug Resistance

Published on: December 28, 2017

13.8K

The TAC1 Gene in Candida albicans: Structure, Function, and Role in Azole Resistance: A Mini-Review

Amir Hossein Mahdizade1,2, Akbar Hoseinnejad2,3, Mona Ghazanfari4,5

  • 1Department of Medical Genetics, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

Microbial Drug Resistance (Larchmont, N.Y.)
|May 21, 2024
PubMed

Insights

The TAC1 gene regulates azole drug resistance in Candida albicans by controlling efflux pump genes. Understanding TAC1 mutations is key to developing new antifungal treatments for candidiasis.

Area of Science:

  • Mycology
  • Molecular Biology
  • Antimicrobial Resistance

Background:

  • Candidiasis, a fungal infection caused by Candida species, is prevalent globally.
  • Azole drugs are primary treatments for candidiasis, but resistance is a growing concern.
  • The Transcriptional Activator Candidate 1 (TAC1) gene is implicated in Candida drug resistance.

Purpose of the Study:

  • To review the structure and function of the TAC1 gene.
  • To elucidate the role of TAC1 in azole resistance in Candida albicans.
  • To highlight the significance of TAC1-mediated resistance mechanisms for antifungal drug development.

Main Methods:

  • Literature review of studies on TAC1 gene function and azole resistance.
  • Analysis of gene expression data related to TAC1 and drug resistance markers.
  • Examination of identified TAC1 mutations and their impact on azole susceptibility.

Main Results:

  • The TAC1 gene encodes a transcription factor regulating efflux pump genes (CDR1, CDR2, MDR1) and ERG11.
  • Gain-of-function mutations in TAC1 upregulate CDR1 and CDR2 expression, conferring azole resistance.
  • Specific TAC1 mutations are directly linked to increased resistance to azole antifungal agents.

Conclusions:

  • The TAC1 gene is a critical regulator of azole resistance in Candida albicans.
  • Understanding TAC1-mediated resistance mechanisms is essential for designing effective antifungal strategies.
  • Targeting TAC1 or its downstream pathways may offer new avenues for combating candidiasis.
Keywords:
Candida albicansTAC1antifungal therapyazole resistance

More Related Videos

Bio-energetics Investigation of Candida albicans Using Real-time Extracellular Flux Analysis08:48

Bio-energetics Investigation of Candida albicans Using Real-time Extracellular Flux Analysis

Published on: March 19, 2019

6.9K
Small-Scale Plasma Membrane Preparation for the Analysis of Candida albicans Cdr1-mGFPHis09:44

Small-Scale Plasma Membrane Preparation for the Analysis of Candida albicans Cdr1-mGFPHis

Published on: June 13, 2021

2.7K

Related Concept Videos

Cystic Fibrosis: Pathogenesis01:23

Cystic Fibrosis: Pathogenesis

Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation, but...
Gene Regulation in Microbial Communities: Quorum Sensing01:28

Gene Regulation in Microbial Communities: Quorum Sensing

Quorum sensing is a mechanism of bacterial communication that enables coordinated gene expression in response to changes in population density. This facilitates collective behaviors that enhance survival, resource acquisition, and ecological adaptation. This process relies on small signaling molecules called autoinducers that accumulate as bacterial populations grow. When a critical threshold concentration of autoinducers is reached, bacterial cells collectively modify gene expression,...