DOŠKAŘ, Jiří, Markéta ŠTREITOVÁ, Petra FORMANOVÁ, Marian VARGA and Roman PANTŮČEK. Characteristics of Staphylococcus aureus strains resistant to polyvalent bacteriophages used for phage therapy. In The 13th International Conference on Culture Collections (ICCC13). 2013.
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Basic information
Original name Characteristics of Staphylococcus aureus strains resistant to polyvalent bacteriophages used for phage therapy
Authors DOŠKAŘ, Jiří, Markéta ŠTREITOVÁ, Petra FORMANOVÁ, Marian VARGA and Roman PANTŮČEK.
Edition The 13th International Conference on Culture Collections (ICCC13), 2013.
Other information
Original language English
Type of outcome Conference abstract
Field of Study Genetics and molecular biology
Country of publisher China
Confidentiality degree is not subject to a state or trade secret
WWW URL
Organization unit Faculty of Science
Keywords in English bacteriophages; Staphylococcus aureus; phage therapy
Changed by Changed by: prof. RNDr. Roman Pantůček, Ph.D., učo 842. Changed: 1/8/2015 18:43.
Abstract
The polyvalent staphylococcal bacteriophage phi812 and its host-range mutants, members of Myoviridae family, lyse most of Staphylococcus aureus strains and are, therefore, used in therapy of staphylococcal infections. However, some 5-10% of the strains are insensitive to these phages, which may reduce the effectiveness of phage-based therapy. In this work we analysed the possible defence mechanisms of the strains which can result in their insensitivity to phages. Therefore, we examined correlation between strain insensitivity and efficiency of phage adsorption on bacterial cells, presence of the SauI restriction-modification (RM) system and content of resident prophages. For the study, a set of genotypically well characterized S. aureus strains from distinct clonal complexes (CC) differing in their prophage content was used.
Links
EE2.3.20.0183, research and development projectName: Centrum experimentální biomedicíny
TA01010405, research and development projectName: Výzkum stafylokokových bakteriofágových mutant s širokým spektrem hostitelů (Acronym: TAČR/IMUNA-1)
Investor: Technology Agency of the Czech Republic
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