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. 1995 Sep;33(9):2496-7.
doi: 10.1128/jcm.33.9.2496-2497.1995.

Characterization of chromosomal DNA profiles from Helicobacter pylori strains isolated from sequential gastric biopsy specimens

S M Salama  1 , Q Jiang, N Chang, R W Sherbaniuk, D E Taylor
Affiliations

Characterization of chromosomal DNA profiles from Helicobacter pylori strains isolated from sequential gastric biopsy specimens

S M Salama et al. J Clin Microbiol. 1995 Sep.

Abstract

The restriction endonuclease profiles of DNAs from Helicobacter pylori strains isolated from 20 patients in two or more consecutive biopsy specimens over a period of up to 2 years were analyzed by pulsed-field gel electrophoresis with NotI and NruI. H. pylori strains possess a high degree of genomic diversity which was not observed to occur in vivo, and attempts to observe it in vitro were not successful.

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