Journal
FUNGAL BIOLOGY
Volume 124, Issue 9, Pages 814-820Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.funbio.2020.07.003
Keywords
Agaricus bisporus; Trichoderma aggressivum; Proteomics; Host-pathogen interactions
Categories
Funding
- Irish Research Council [GOIPD/2018/115]
- SFI Research Infrastructure [12/RI/2346]
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Green mould disease of mushroom, Agaricus bisporus,is caused by Trichodermaspecies and can result in substantial crop losses. Label free proteomic analysis of changes in the abundance of A. bisporusproteins following exposure to T. aggressivumsupernatantin vitroindicated increased abundance of proteins associated with an oxidative stress response (zinc ion binding (+6.6 fold); peroxidase activity (5.3-fold); carboxylic ester hydrolase (+2.4 fold); dipeptidase (+3.2 fold); [2Fe-2S] cluster assembly (+3.3 fold)). Proteins that decreased in relative abundance were associated with growth: structural constituent of ribosome, translation (-12 fold), deadenylation-dependent decapping of nuclear-transcribed mRNA (-3.4 fold), and small GTPase mediated signal transduction (-2.6 fold). In vivoanalysis revealed that 10(4) T. aggressivuminoculum decreased the mushroom yield by 29% to 56% and 10(-3) T. aggressivuminoculum decreased the mushroom yield by 68% to 100%. Proteins that increased in abundance in A. bisporusin vivofollowing exposure to T. aggressivumindicated an oxidative stress response and included proteins with pyruvate kinase activity (+2.6 fold) and hydrolase activity (+2.1 fold)). The results indicate that exposure of A. bisporusmycelium to T. aggressivum in vitroand in vivoresulted in an oxidative stress response and reduction in growth. (C) 2020 British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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