[Molecular characterization of the multidrug-resistant Acinetobacter baumannii strains and assessment of their sensitivity to the phage AP22].

The molecular analysis of 130 multidrug-resistant nosocomial Acinetobacter baumannii strains was performed. The strains were obtained from patients admitted to different Russian hospitals (Chelyabinsk, Moscow, Nizhni Novgorod, and St. Petersburg) in 2005-2010.

[Effect of TRA-system of plasmids RP4 and R68.45 on pseudomonas mallei virulence].

In Pseudomonas mallei, spontaneous mutants (Tra- mutants) of the plasmids RP4 and R68.45, losing the ability to transfer at conjugation are formed. The plasmids RP4 and R68.