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Genomic structure and insertion sites of Helicobacter pylori prophages from various geographical origins / Ben, Pascoe; Matthew, Hitchings

Scientific Reports, Volume: 7, Start page: 42471

Swansesa University Authors: Ben, Pascoe, Matthew, Hitchings

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DOI (Published version): 10.1038/srep42471

Abstract

We present the full genomic sequences, insertion sites and phylogenetic analysis of 28 prophages found in H. pylori isolates from patients of distinct disease types, ranging from gastritis to gastric cancer, and geographic origins, covering most continents. The gentic diversity of H pylori is known...

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Published in: Scientific Reports
ISSN: 2045-2322
Published: 2017
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa32006
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Abstract: We present the full genomic sequences, insertion sites and phylogenetic analysis of 28 prophages found in H. pylori isolates from patients of distinct disease types, ranging from gastritis to gastric cancer, and geographic origins, covering most continents. The gentic diversity of H pylori is known to be influenced by these genomic elements including prophages who’s geneomes range from 22.6 to 33.0 Kbp. There was a high conservation of integration site shared in over 50% of cases with greater than 40% or prophage genomes harbouring insertion sequences (IS). Furthermore prophage genomes present a robust phylogeographic pattern, revealing four distinct clusters: one African, one Asian and two European prophage populations. There was evidence of recombination within the genome of some prophages, which resulted in genome mosaics composed by different populations, which may yield additional H. pylori phenotypes.
College: Swansea University Medical School
Start Page: 42471