Project description:Pyrenophora tritici-repentis isolate PtrDW5 extracellular Proteome mapping of fungus Pyrenophora tritici-repentis (Ptr) extracellular proteins Sample analysis (in brief): - extracellular proteins have been separated into 24 fractions by OFFGEL electrophoresis (IEF) - proteins of each fraction have then been alkylated (iodoacetamide) and trypsin-digested - peptides of each fraction have then been separated on a C18 column in an LC run and analysed by high-resolution mass spectrometry (LTQ Orbitrap Velos or XL)

2018-10-22 | MSV000083059 | MassIVE

Transcriptomics study of resistant and susceptible wheat lines to tan spot disease (Pyrenophora tritici-repentis)

Project description:Tan Spot (TS), causal agent Pyrenophora tritici-repentis (Ptr), is a major threat to wheat production due to the lack of resistant cultivars. In our previous work, we identified MAGIC population parental lines exhibiting TS resistance and susceptibility, namely Robigus and Hereward, respectively. To understand the mechanisms underlying these phenotypes, we performed RNA-seq analysis of leaves before and during Ptr interaction. When comparing mock- and Ptr-inoculated samples, differentially expressed genes (DEGs) were identified with DESeq2, leading to the targeting of 15193 DEGs. Functional annotation showed the pathways enzyme classification, solute transport, RNA biosynthesis, protein modification and homeostasis represented 49.5% of DEGs in Robigus. Cellular metabolism pathways were induced, as well as vesicle trafficking, actin polymerization and cellulose. The upregulation of these cell wall related genes along with microscopic data suggested that barrier defence is a major feature of TS resistance in Robigus. Conversely, photosynthesis was the top fifth pathway in Hereward, totalling 389 repressed genes (12.63%). Photosynthesis collapse was linked to the activation of oligosaccharide metabolism and suppression of glycolysis, TCA cycle and amino acids degradation. This may reflect mobilization of host nutrients to Ptr. Our observations could inform wheat-breeding programmes targeting TS resistance.

2022-06-30 | GSE202986 | GEO

Pyrenophora tritici-repentis

Project description:The pangenome of the wheat pathogen Pyrenophora tritici-repentis reveals novel transposons associated with necrotrophic effectors ToxA and ToxB

| PRJNA803191 | ENA

Extracellular proteome of Pyrenophora tritici-repentis isolate PtrM4

Project description:Proteome mapping of fungus Pyrenophora tritici-repentis (Ptr) extracellular proteins Sample analysis: extracellular proteins were separated into 24 fractions by OFFGEL electrophoresis (IEF), proteins of each fraction were then alkylated (iodoacetamide) and trypsin-digested. Peptides of each fraction were separated on a C18 column in an LC run and analysed by high-resolution mass spectrometry (LTQ Orbitrap Velos or XL).

2018-10-22 | MSV000083060 | MassIVE

Extracellular proteome of Pyrenophora tritici-repentis isolate Ptr11137

Project description:Proteome mapping of fungus Pyrenophora tritici-repentis (Ptr) extracellular proteins Sample analysis (in brief): - extracellular proteins have been separated into 24 fractions by OFFGEL electrophoresis (IEF) - proteins of each fraction have then been alkylated (iodoacetamide) and trypsin-digested - peptides of each fraction have then been separated on a C18 column in an LC run and analysed by high-resolution mass spectrometry (LTQ Orbitrap Velos or XL)

2018-10-22 | MSV000083061 | MassIVE

Intracellular proteome of Pyrenophora tritici-repentis isolate Ptr11137

Project description:Proteome mapping of Pyrenophora tritici-repentis (Ptr) intracellular proteins Sample analysis (in brief): - Ptr samples have been concentrated via TCA/acetone protein precipitation - Concentrated samples have been separated into 24 fractions by OFFGEL electrophoresis (IEF) - Proteins of each fraction have then been reduced, alkylated (iodoacetamide) and trypsin-digested - Peptides of each fraction have then been separated on a C18 column in an LC run and analysed by high-resolution mass spectrometry (LTQ Orbitrap XL)

2018-10-23 | MSV000083064 | MassIVE

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