Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1299152 | ENA |
REPOSITORIES: ENA
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Project description:Helicobacter pylori, which is known as pathogens of various gastric diseases, have many types of genome sequence variants. That is part of the reason why pathogenesis and infection mechanisms of the H. pylori-driven gastric diseases have not been well clarified yet. Here we performed a large-scale proteome analysis to profile the heterogeneity of the proteome expression of 7 H. pylori strains by using LC/MS/MS-based proteomics approach combined with a customized database consisting of non-redundant tryptic peptide sequences derived from full genome sequences of 52 H. pylori strains. The non-redundant peptide database enabled us to identify more peptides in the database search of MS/MS data, compared with a simply merged protein database. Using the approach we performed proteome analysis of genome-unknown strains of H. pylori in as large-scale as genome-known ones. Clustering of the H. pylori strains using the proteome profiling slightly differed from the genome profiling and more clearly divided the strains into two groups based on the isolated area. Furthermore, we also identified phosphorylated proteins and sites of the H. pylori strains and obtained phosphorylation motif located in the N-terminus, which are commonly observed in bacteria.
2018-12-28 | PXD011364 | JPOST Repository
Project description:Genome of Azospirillum sp. strains
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Project description:B. kashiwanohense PV20-2 and B. pseudolongum PV8-2 are strains isolated from breast fed iron deficient Kenyan infants, selected for their high iron sequestration mechanisms and their genome was completely sequenced. Based on their high iron sequestration features we hypothesized that B. kashiwanohense PV20-2 and B. pseudolongum PV8-2, possess iron related genes and excrete iron binding proteins in the culture media under iron limited conditions. Thus, the complete genomes of B. kashiwanohense PV20-2 and B. pseudolongum PV8-2 were compared to other bifidobacterial genomes to identify genes potentially involved in iron metabolism and the coding sequences from the genome were used as a scaffold to identify the extracellular proteome of both strains grown under low iron conditions using a gel-based shotgun proteomic approach.
2015-12-14 | PXD001452 | Pride
Project description:B. kashiwanohense PV20-2 and B. pseudolongum PV8-2 are strains isolated from breast fed iron deficient Kenyan infants, selected for their high iron sequestration mechanisms and their genome was completely sequenced. Based on their high iron sequestration features we hypothesized that B. kashiwanohense PV20-2 and B. pseudolongum PV8-2, possess iron related genes and excrete iron binding proteins in the culture media under iron limited conditions. Thus, the complete genomes of B. kashiwanohense PV20-2 and B. pseudolongum PV8-2 were compared to other bifidobacterial genomes to identify genes potentially involved in iron metabolism and the coding sequences from the genome were used as a scaffold to identify the extracellular proteome of both strains grown under low iron conditions using a gel-based shotgun proteomic approach.
2015-12-14 | PXD001451 | Pride