ArticleDNA research : an international journal for rapid publication of reports on genes and genomes2008
A variable gene in a conserved region of the Helicobacter pylori genome: isotopic gene replacement or rapid evolution?
Article in DNA research : an international journal for rapid publication of reports on genes and genomes, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Review
- Helicobacter pylori possesses four coiled-coil-rich proteins that form extended filamentous structures and control cell shape and motility.Journal of bacteriology · 2011Article
- Horizontal gene transfers with or without cell fusions in all categories of the living matter.Advances in experimental medicine and biology · 2011Review
- Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The present study concerns the identification of a novel coding sequence in a region of the Helicobacter pylori genome, located between JHP1069/HP1141 and JHP1071/HP1143 according to the numbering of the J99 and 26,695 reference strains, respectively, and spanning three different coding DNA sequences (CDSs). The CDSs located at the centre of this locus were highly polymorphic, as determined by the analysis of 24 European isolates, 3 Asian, and 3 African isolates. Phylogenetic and molecular evolutionary analyses showed that the CDSs were not restricted to the geographical origin of the strains. Despite a very high variability observed in the deduced protein sequences, significant similarity was observed, always with the same protein families, i.e. ATPase and bacteriophage receptor/invasion proteins. Although this variability could be explained by isotopic gene replacement via horizontal transfer of a gene with the same function but coming from a variety of sources, it seems more likely that the very high sequence variation observed at this locus is the result of a strong selection pressure exerted on the corresponding gene product. The CDSs identified in the present study could be used as strain specific markers.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.