Evgenii Voropaev, Vice-Rector for scientific work, Gomel State Medical University, Candidate of Medical Sciences, associate professor;
Aleksey Kovalev, programming engineer, Department of science and scientific-methodical information, Gomel State Medical University;
Aleksey Zyatkov, senior researcher, research laboratory, Gomel State Medical University;
Alexander Shaforost, senior researcher, research laboratory, Gomel State Medical University;
Olga Osipkina, Head, research laboratory, Gomel State Medical University;
Igor Stoma, Rector, Gomel State Medical University, Doctor of Medical Sciences, Academician of the Russian Academy of Natural Sciences.

Summary.
The article considers the initial results of the assessed microbial diversity in various diseases of the stomach using a metagenetic approach. The authors show the features of the taxonomic structure of microbiomes in normal tissues and in those with marked pathological process.
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