Evolutionary relics dominate the small number of secondary metabolism genes in the hemibiotrophic fungus Dothistroma septosporum

IK Ozturk, PY Dupont, P Chettri, R McDougal, OJ Böhl… - Fungal biology, 2019 - Elsevier
Fungal secondary metabolites have important functions for the fungi that produce them, such
as roles in virulence and competition. The hemibiotrophic pine needle pathogen …

LaeA negatively regulates dothistromin production in the pine needle pathogen Dothistroma septosporum

P Chettri, RE Bradshaw - Fungal genetics and biology, 2016 - Elsevier
In filamentous fungi both pathway-specific and global regulators regulate genes involved in
the biosynthesis of secondary metabolites. LaeA is a global regulator that was named for its …

Fragmentation of an aflatoxin‐like gene cluster in a forest pathogen

RE Bradshaw, JC Slot, GG Moore, P Chettri… - New …, 2013 - Wiley Online Library
Plant pathogens use a complex arsenal of weapons, such as toxic secondary metabolites, to
invade and destroy their hosts. Knowledge of how secondary metabolite pathways evolved …

Global population genomics of the forest pathogen Dothistroma septosporum reveal chromosome duplications in high dothistromin‐producing strains

RE Bradshaw, AD Sim, P Chettri… - Molecular plant …, 2019 - Wiley Online Library
Dothistroma needle blight is one of the most devastating pine tree diseases worldwide. New
and emerging epidemics have been frequent over the last 25 years, particularly in the …

The hemibiotrophic lifestyle of the fungal pine pathogen Dothistroma septosporum

MS Kabir, RJ Ganley, RE Bradshaw - Forest pathology, 2015 - Wiley Online Library
Dothistroma needle blight is a forest disease of increasing international importance due to
its ability to kill as well as to retard the growth of pines. It is caused by fungi in the genus …

The veA gene of the pine needle pathogen Dothistroma septosporum regulates sporulation and secondary metabolism

P Chettri, AM Calvo, JW Cary, S Dhingra, Y Guo… - Fungal Genetics and …, 2012 - Elsevier
Fungi possess genetic systems to regulate the expression of genes involved in complex
processes such as development and secondary metabolite biosynthesis. The product of the …

Chromatin‐level regulation of the fragmented dothistromin gene cluster in the forest pathogen Dothistroma septosporum

P Chettri, PY Dupont, RE Bradshaw - Molecular Microbiology, 2018 - Wiley Online Library
Genes required for fungal secondary metabolite production are usually clustered, co‐
regulated and expressed in stationary growth phase. Chromatin modification has an …

[HTML][HTML] Genetics of Dothistromin Biosynthesis of Dothistroma septosporum: An Update

A Schwelm, RE Bradshaw - Toxins, 2010 - mdpi.com
Dothistroma needle blight is one of the most devastating fungal pine diseases worldwide.
The disease is characterized by accumulation in pine needles of a red toxin, dothistromin …

Differential retention of gene functions in a secondary metabolite cluster

HT Reynolds, JC Slot, HH Divon… - Molecular biology …, 2017 - academic.oup.com
In fungi, distribution of secondary metabolite (SM) gene clusters is often associated with host-
or environment-specific benefits provided by SMs. In the plant pathogen Alternaria …

Evolution of polyketide synthesis in a Dothideomycete forest pathogen

IK Ozturk, P Chettri, PY Dupont, I Barnes… - Fungal genetics and …, 2017 - Elsevier
Fungal secondary metabolites have many important biological roles and some, like the toxic
polyketide aflatoxin, have been intensively studied at the genetic level. Complete sets of …