Systems impact of zinc chelation by the epipolythiodioxopiperazine dithiol gliotoxin in Aspergillus fumigatus: a new direction in natural product functionality

AA Saleh, GW Jones, FC Tinley, SF Delaney… - Metallomics, 2018 - academic.oup.com
The non-ribosomal peptide gliotoxin, which autoinduces its own biosynthesis, has potent
anti-fungal activity, especially in the combined absence of the gliotoxin oxidoreductase GliT …

At the metal–metabolite interface in Aspergillus fumigatus: towards untangling the intersecting roles of zinc and gliotoxin

AM Traynor, RA Owens, CM Coughlin… - …, 2021 - microbiologyresearch.org
Cryptic links between apparently unrelated metabolic systems represent potential new drug
targets in fungi. Evidence of such a link between zinc and gliotoxin (GT) biosynthesis in …

[HTML][HTML] Proteomic dissection of the role of GliZ in gliotoxin biosynthesis in Aspergillus fumigatus

AM Traynor, Ö Sarikaya-Bayram, Ö Bayram… - Fungal Genetics and …, 2023 - Elsevier
Gliotoxin (GT) biosynthesis in fungi is encoded by the gli biosynthetic gene cluster. While GT
addition autoinduces biosynthesis, Zn 2+ has been shown to attenuate cluster activity, and it …

Structural, mechanistic and functional insight into gliotoxin bis-thiomethylation in Aspergillus fumigatus

SK Dolan, T Bock, V Hering, RA Owens… - Open …, 2017 - royalsocietypublishing.org
Gliotoxin is an epipolythiodioxopiperazine (ETP) class toxin, contains a disulfide bridge that
mediates its toxic effects via redox cycling and is produced by the opportunistic fungal …

Regulation of nonribosomal peptide synthesis: bis-thiomethylation attenuates gliotoxin biosynthesis in Aspergillus fumigatus

SK Dolan, RA Owens, G O'Keeffe, S Hammel… - Chemistry & biology, 2014 - cell.com
Gliotoxin is a redox-active nonribosomal peptide produced by Aspergillus fumigatus. Like
many other disulfide-containing epipolythiodioxopiperazines, a bis-thiomethylated form is …

Dysregulated gliotoxin biosynthesis attenuates the production of unrelated biosynthetic gene cluster-encoded metabolites in Aspergillus fumigatus

S Doyle, GW Jones, SK Dolan - Fungal biology, 2018 - Elsevier
Gliotoxin is an epipolythiodioxopiperazine (ETP) class toxin, contains a disulfide bridge that
mediates its toxic effects via redox cycling and is produced by the opportunistic fungal …

Gliotoxin biosynthesis: structure, mechanism, and metal promiscuity of carboxypeptidase GliJ

A Marion, M Groll, DH Scharf, K Scherlach… - ACS Chemical …, 2017 - ACS Publications
The formation of glutathione (GSH) conjugates, best known from the detoxification of
xenobiotics, is a widespread strategy to incorporate sulfur into biomolecules. The …

Transannular Disulfide Formation in Gliotoxin Biosynthesis and Its Role in Self-Resistance of the Human Pathogen Aspergillus fumigatus

DH Scharf, N Remme, T Heinekamp… - Journal of the …, 2010 - ACS Publications
Gliotoxin (1), the infamous representative of the group of epipolythiodioxopiperazines
(ETPs), is a virulence factor of the human pathogenic fungus Aspergillus fumigatus. The …

Biosynthesis and function of gliotoxin in Aspergillus fumigatus

DH Scharf, T Heinekamp, N Remme… - Applied microbiology …, 2012 - Springer
Gliotoxin (GT) is the prototype of the epidithiodioxopiperazine (ETP)-type fungal toxins. GT
plays a critical role in the pathobiology of Aspergillus fumigatus. It modulates the immune …

Interplay between gliotoxin resistance, secretion, and the methyl/methionine cycle in Aspergillus fumigatus

RA Owens, G O'Keeffe, EB Smith, SK Dolan… - Eukaryotic …, 2015 - Am Soc Microbiol
Mechanistic studies on gliotoxin biosynthesis and self-protection in Aspergillus fumigatus,
both of which require the gliotoxin oxidoreductase GliT, have revealed a rich landscape of …