Nikolai A Mayansky

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Optochin-resistant pneumococci can be rarely caught in clinical microbiology laboratories because of the routine identification of all such strains as viridans group non-pneumococci. We were lucky to find four non-typeable Streptococcus pneumoniae clones demonstrating the different susceptibilities to optochin: one of them (Spn_13856) was resistant to(More)
S. pneumoniae is a facultative human pathogen causing a wide range of infections including the life-threatening pneumoniae or meningitis. It colonizes nasopharynx as well as its closest phylogenetic relatives S. pseudopneumoniae and S. mitis. Both the latter, despite the considerable morphological and phenotypic similarity with the pneumococcus, are(More)
AIM Characterize spectrum of antibiotics resistance of Acinetobacter baumannii strains, isolated from patients of 8 surgical and reanimation departments of 3 medical institution of Moscow, and determine molecular-genetic mechanisms of stability of their carbapenem-resistant forms. MATERIALS AND METHODS 95 strains of A. baumannii, isolated from patients of(More)
BACKGROUND The mucopolysaccharidoses (MPSs) are rare genetic disorders caused by mutations in lysosomal enzymes involved in the degradation of glycosaminoglycans (GAGs). In this study, we analyzed a total of 48 patients including MPSI (n=6), MPSII (n=18), MPSIIIA (n=11), MPSIVA (n=3), and MPSVI (n=10). METHODS In MPS patients, urinary GAGs were(More)
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