ArticleScientific reports2018
The Gpr1-regulated Sur7 family protein Sfp2 is required for hyphal growth and cell wall stability in the mycoparasite Trichoderma atroviride.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 35 citations in OpenAlex.
- Article
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- Fungal Extracellular Vesicle Proteins with Potential in Biological Interaction.Molecules (Basel, Switzerland) · 2024Review
- Mycoparasitism related targets of Tmk1 indicate stimulating regulatory functions of this MAP kinase in Trichoderma atroviride.Scientific reports · 2023Article
- Modulation of the cell wall protein Ecm33p in yeast Saccharomyces cerevisiae improves the production of small metabolites.FEMS yeast research · 2022Article
- Review
- Stress-Activated Protein Kinase Signalling Regulates Mycoparasitic Hyphal-Hyphal Interactions inJournal of fungi (Basel, Switzerland) · 2021Article
- The GPI-Anchored GH76 Protein Dfg5 Affects Hyphal Morphology and Osmoregulation in the MycoparasiteFrontiers in microbiology · 2021Article
- Single-Molecule Localization Microscopy to Study Protein Organization in the Filamentous FungusMolecules (Basel, Switzerland) · 2020Article
- Chitin and chitosan remodeling defines vegetative development and Trichoderma biocontrol.PLoS pathogens · 2020Article
- Role of membrane compartment occupied by Can1 (MCC) and eisosome subdomains in plant pathogenicity of the necrotrophic fungus Alternaria brassicicola.BMC microbiology · 2019Article
- Temporal Filtering to Improve Single Molecule Identification in High Background Samples.Molecules (Basel, Switzerland) · 2018Article
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10 authors at 4 institutions in 3 countries.
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Abstract
Mycoparasites, e.g. fungi feeding on other fungi, are prominent within the genus Trichoderma and represent a promising alternative to chemical fungicides for plant disease control. We previously showed that the seven-transmembrane receptor Gpr1 regulates mycelial growth and asexual development and governs mycoparasitism-related processes in Trichoderma atroviride. We now describe the identification of genes being targeted by Gpr1 under mycoparasitic conditions. The identified gene set includes a candidate, sfp2, encoding a protein of the fungal-specific Sur7 superfamily, whose upregulation in T. atroviride upon interaction with a fungal prey is dependent on Gpr1. Sur7 family proteins are typical residents of membrane microdomains such as the membrane compartment of Can1 (MCC)/eisosome in yeast. We found that GFP-labeled Gpr1 and Sfp2 proteins show partly overlapping localization patterns in T. atroviride hyphae, which may point to shared functions and potential interaction during signal perception and endocytosis. Deletion of sfp2 caused heavily altered colony morphology, defects in polarized growth, cell wall integrity and endocytosis, and significantly reduced mycoparasitic activity, whereas sfp2 overexpression enhanced full overgrowth and killing of the prey. Transcriptional activation of a chitinase specific for hyphal growth and network formation and strong downregulation of chitin synthase-encoding genes were observed in Δsfp2. Taken together, these findings imply crucial functions of Sfp2 in hyphal morphogenesis of T. atroviride and its interaction with prey fungi.
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