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Campylobacter jejuni subsp. jejuni 1336

ABSTRACT: This strain will be used for comparative genome analysis

PROVIDER: PRJNA33777 | ENA |

REPOSITORIES: ENA

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Campylobacter jejuni subsp. jejuni 414

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Transcriptomic changes of Campylobacter jejuni subsp. jejuni strain 81116 in water

Project description:Campylobacter jejuni is the leading cause of campylobacteriosis in the developed world. Although most cases are caused by consumption of contaminated meat, a significant proportion is caused by consumption of contaminated water. Some C. jejuni isolates are better than others at surviving in water, which suggests that these strains are better adapted to transmission by water than others. The aim of this study is to investigate this phenomenon further. CFU counts and viability assays showed that strain 81116 survives better than strain 81-176 in a defined freshwater medium at 4°C. Comparative transcriptomic profiling using microarray revealed that these strains respond differently to water. This series presents the transcriptome of strain 81116 in water.

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Transcriptomic changes of Campylobacter jejuni subsp. jejuni strain 81-176 in water

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CGH analysis of Campylobacter jejuni isolates previously analyzed by Multi-Locus Sequence Typing

Project description:In this experiment, we hava analyzed a set of 45 C. jejuni strains by CGH and MLST in order to investigate whether the strain relationships inferred from the analysis of a small number of loci (MLST) reflect whole-genome gene conservation patterns observed by CGH. Keywords: individual hybridizations, comparative genomic hybridization

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Campylobacter jejuni subsp. doylei 269.97

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Campylobacter jejuni comparative genome: control strain C. jejuni subsp. jejuni ATCC 700819 (NCTC 11168) vs. 12 other strains

Project description:Gene content comparison of control C. jejuni subsp. jejuni strain 11168 which colonizes and causes disease in C57BL/6 IL-10-/- mice versus C. jejuni strains D6844, D6845, D6846, D6847, D6848, D6849, D0121, D0835, D2586, D2600,33560 and NW in the C57BL/6 IL-10-/- mice. Keywords: DNA/DNA comparison

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Project description:Isolated from cerebrospinal fluid This strain is being sequenced for comparative genome analysis

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Common genomic features of Campylobacter jejuni subsp. doylei strains distinguish them from C. jejuni subsp. jejuni.

Project description:BackgroundCampylobacter jejuni has been divided into two subspecies: C. jejuni subsp. jejuni (Cjj) and C. jejuni subsp. doylei (Cjd). Nearly all of the C. jejuni strains isolated are Cjj; nevertheless, although Cjd strains are isolated infrequently, they differ from Cjj in two key aspects: they are obtained primarily from human clinical samples and are associated often with bacteremia, in addition to gastroenteritis. In this study, we utilized multilocus sequence typing (MLST) and a DNA microarray-based comparative genomic indexing (CGI) approach to examine the genomic diversity and gene content of Cjd strains.ResultsA geographically diverse collection of eight Cjd strains was examined by MLST and determined to be phylogenetically distinct from Cjj strains. Microarray-based CGI approach also supported this. We were able to demonstrate that Cjd strains exhibited divergence from Cjj strains NCTC 11168 and RM1221 in many of the intraspecies hypervariable regions. Moreover, multiple metabolic, transport and virulence functions (e.g. cytolethal distending toxin) were shown to be absent in the Cjd strains examined.ConclusionOur data demonstrate that Cjd are phylogenetically distinct from Cjj strains. Using the CGI approach, we identified subsets of absent genes from amongst the C. jejuni genes that provide clues as to the potential evolutionary origin and unusual pathogenicity of Cjd.

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Complete Genome Sequence of Campylobacter jejuni subsp. jejuni ATCC 35925.

Project description:Here, we report the complete genome sequence of Campylobacter jejuni ATCC 35925, an avian isolate from Sweden. The genome gives insight into the ATCC 35925 strain's remarkable ability to tolerate copper and its permissiveness to plasmid transformation.

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Campylobacter jejuni Cj1000 regulon

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