Abstract
Helicobacter pylori is a Gram-negative bacterium which mainly causes peptic ulcer disease in human, but is also the predominant cause of stomach cancer. It has been coevolving with human since 120,000 years and, according to Multi-locus sequence typing (MLST), H. pylori can be classified into seven major population types, namely, hpAfrica1, hpAfrica2, hpNEAfrica, hpEastAsia, hpAsia2, hpEurope and hpSahul. Helicobacter pylori harbours a large number of restriction-modification (R-M) systems. The methyltransferase (MTase) unit plays a significant role in gene regulation and also possibly modulates pathogenicity. The diversity in MTase can act as geomarkers to correlate strains with the phylogeographic origins. This paper describes the complete genome sequence and methylome of gastric pathogen H. pylori belonging to the population hpNEAfrica. In this paper, we present the complete genome sequence and the methylome profile of H. pylori hpNEAfrica strain HP14039, isolated from a patient who was born in Somalia and likely to be infected locally during early childhood prior to migration. The genome of HP14039 consists of 1,678,260 bp with 1574 coding genes and 38.7% GC content. The sequence analysis showed that this strain lacks the c...Continue Reading
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