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In recent decades the increase in antibiotic-resistant bacterial strains has become a serious threat to the treatment of infectious diseases. Drug resistance of Staphylococcus aureus has become a major problem in hospitals of many countries, including developed ones. Today the interest in alternative remedies to antibiotics, including bacteriophage… (More)
The sensitivity of 512 newly isolated Pseudomonas aeruginosa clinical strains to six classes of antimicrobial preparations has been studied. Antibiotic-resistant strains were selected and genotyped. Three new virulent bacteriophages of the families Myoviridae and Podoviridae were isolated against these strains. The parameters of the intracellular phage… (More)
The molecular weight of phage FI-1 DNA is determined by the methods of sedimentation and kinetics of reassociation, as well as from buoyant density values of virion components and specific partial volume of DNA (85X10(6) daltons). The spectral analyses showed that the distribution of guanine-cytosine pairs along the whole length of the molecule is Gaussian.… (More)
Some interaction process peculiarites of morphologically related phate T4, DDVI and FI1 with the corresponding antiphageous sera in cross reactions of neutralisation have been investigated. Close serological relationship of phage T4 and DDVI was demonstrated. Inactivation of phage FI1 in these serological reactions showed anomalous nature and did not submit… (More)
Virions of polyvalent staphylococcal bacteriophage SB-I have an octaedric head (800 X 700 A) and a long contractive process (1800 X 150 A). The phage particle with a molecular weight of 150 X 10(6) daltons contains 48% double-stranded RNA and 52% protein. The proteinic component of the phage consists of 18 heterogeneic polypeptide chains.