BMC Genomics 2011, 12:261.PubMedCrossRef 27. Petersen L, Bollback J, Dimmic

M, Hubisz M, Nielsen R: Genes under positive selection in Escherichia coli. VX-689 cost Genome Res 2007,17(9):1336–1343.PubMedCrossRef 28. Farfán M, Miñana-Galbis D, Fusté M, Lorén JG: Divergent evolution and purifying selection of the flaA gene sequences in Aeromonas. Biol Direct 2009, 4:23.PubMedCrossRef 29. Jiggins F, Hurst G, Yang Z: Host-symbiont conflicts: positive selection on an outer membrane protein of parasitic but not mutualistic Rickettsiaceae. Mol Biol Evol 2002,19(8):1341–1349.PubMedCrossRef 30. Snijder H, Ubarretxena-Belandia I, Blaauw M, Kalk K, Verheij H, Egmond M, Dekker N, Dijkstra B: Structural evidence for dimerization-regulated activation of an integral membrane phospholipase.

Nature 1999,401(6754):717–721.PubMedCrossRef find more 31. Gancz H, Censini S, Merrell D: Iron and pH homeostasis intersect at the level of Fur regulation in the gastric pathogen Helicobacter pylori. Infect Immun. Infect Immun 2006,74(1):602–614. 32. Reid A, Pandey R, Palyada K, Whitworth L: E D, Stintzi A: Identification of Campylobacter jejuni genes contributing to acid adaptation by transcriptional profiling and genome-wide mutagenesis. Appl Environ Microbiol 2008,74(5):1598–1612.PubMedCrossRef 33. Tannaes T, Dekker N, Bukholm G, Bijlsma J, Appelmelk B: Phase variation in the Helicobacter pylori phospholipase A gene and its role in acid adaptation. Infect Immun 2001,69(12):7334–7340.PubMedCrossRef 34. Padhi A, Verghese Napabucasin supplier B, Otta S: Detecting the form of selection in the outer membrane protein C of Enterobacter aerogenes strains and Salmonella species. Microbiol Res 2009,164(3):282–289.PubMedCrossRef 35. Oleastro M, Cordeiro R, Ménard A, Yamaoka Y, Queiroz D, Mégraud F,

Monteiro L: Allelic diversity and phylogeny of homB, a novel co-virulence marker Suplatast tosilate of Helicobacter pylori. BMC Microbiol 2009, 9:248.PubMedCrossRef 36. Pride D, Blaser M: Concerted evolution between duplicated genetic elements in Helicobacter pylori. J Mol Biol 2002,316(3):629–642.PubMedCrossRef 37. Cao P, Lee K, Blaser M, Cover T: Analysis of hopQ alleles in East Asian and Western strains of Helicobacter pylori. FEMS Microbiol Lett 2005,251(1):37–43.PubMedCrossRef 38. Yamaoka Y, Orito E, Mizokami M, Gutierrez O, Saitou N, Kodama T, Osato M, Kim J, Ramirez F, Mahachai V, et al.: Helicobacter pylori in North and South America before Columbus. FEBS Lett 2002,517(1–3):180–184.PubMedCrossRef 39. Avasthi T, Devi S, Taylor T, Kumar N, Baddam R, Kondo S, Suzuki Y, Lamouliatte H, Mégraud F, Ahmed N: Genomes of two chronological isolates (Helicobacter pylori 2017 and 2018) of the West African Helicobacter pylori strain 908 obtained from a single patient. J Bacteriol 2011,193(13):3385–3386.PubMedCrossRef 40.