The negative cofactor 2 complex is a key regulator of drug resistance in Aspergillus fumigatus.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
22 01 2020
22 01 2020
Historique:
received:
02
07
2019
accepted:
13
12
2019
entrez:
24
1
2020
pubmed:
24
1
2020
medline:
14
4
2020
Statut:
epublish
Résumé
The frequency of antifungal resistance, particularly to the azole class of ergosterol biosynthetic inhibitors, is a growing global health problem. Survival rates for those infected with resistant isolates are exceptionally low. Beyond modification of the drug target, our understanding of the molecular basis of azole resistance in the fungal pathogen Aspergillus fumigatus is limited. We reasoned that clinically relevant antifungal resistance could derive from transcriptional rewiring, promoting drug resistance without concomitant reductions in pathogenicity. Here we report a genome-wide annotation of transcriptional regulators in A. fumigatus and construction of a library of 484 transcription factor null mutants. We identify 12 regulators that have a demonstrable role in itraconazole susceptibility and show that loss of the negative cofactor 2 complex leads to resistance, not only to the azoles but also the salvage therapeutics amphotericin B and terbinafine without significantly affecting pathogenicity.
Identifiants
pubmed: 31969561
doi: 10.1038/s41467-019-14191-1
pii: 10.1038/s41467-019-14191-1
pmc: PMC7194077
doi:
Substances chimiques
Antifungal Agents
0
Azoles
0
Fungal Proteins
0
Amphotericin B
7XU7A7DROE
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
427Subventions
Organisme : NIAID NIH HHS
ID : R01 AI130128
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI081838
Pays : United States
Organisme : NIAID NIH HHS
ID : R01 AI143198
Pays : United States
Organisme : Wellcome Trust
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/M02010X/1
Pays : United Kingdom
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