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Phosphoproteome profile of Fusarium graminearum grown in vitro under nonlimiting conditions


Rampitsch, Christof; Tinker, Nicholas A; Subramaniam, Rajagopal; Barkow-Oesterreicher, Simon; Laczko, Endre (2012). Phosphoproteome profile of Fusarium graminearum grown in vitro under nonlimiting conditions. Proteomics, 12(7):1002-1005.

Abstract

This study presents a high-throughput proteomic analysis of phosphopeptides from Fusarium graminearum strain DAOM 233423 grown in vitro without nutritional limitation. Using a combination of strong cation exchange (SCX) and immobilized metal affinity chromatography (IMAC) followed by LC-MS, we identified 2902 putative phosphopeptides with homologous matches to 1496 different proteins. Functional classification of the annotated protein set revealed that phosphopeptides from nuclear proteins with ATP-binding function were the most abundant. There are indications that phosphorylation sites from well-characterized phosphoproteins representing diverse biological processes are conserved in F. graminearum: sequences of three phosphopeptides from known phosphoproteins (transcription elongation factor 1β, acidic ribosomal proteins, and glycogen synthase) revealed phosphorylation site conservation.

Abstract

This study presents a high-throughput proteomic analysis of phosphopeptides from Fusarium graminearum strain DAOM 233423 grown in vitro without nutritional limitation. Using a combination of strong cation exchange (SCX) and immobilized metal affinity chromatography (IMAC) followed by LC-MS, we identified 2902 putative phosphopeptides with homologous matches to 1496 different proteins. Functional classification of the annotated protein set revealed that phosphopeptides from nuclear proteins with ATP-binding function were the most abundant. There are indications that phosphorylation sites from well-characterized phosphoproteins representing diverse biological processes are conserved in F. graminearum: sequences of three phosphopeptides from known phosphoproteins (transcription elongation factor 1β, acidic ribosomal proteins, and glycogen synthase) revealed phosphorylation site conservation.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Functional Genomics Center Zurich
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Language:English
Date:2012
Deposited On:11 Feb 2013 16:01
Last Modified:17 Feb 2018 00:53
Publisher:Wiley-Blackwell
ISSN:1615-9853
OA Status:Closed
Publisher DOI:https://doi.org/10.1002/pmic.201100065
PubMed ID:22522806

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