D 2008

Transduction of resistance plasmids by bacteriophages induced from methicillin-resistans Staphylococcus aureus strains

KUNTOVÁ, Lucie, Ivana NEPEJCHALOVÁ, Marian VARGA, Roman PANTŮČEK, Vladislava RŮŽIČKOVÁ et. al.

Basic information

Original name

Transduction of resistance plasmids by bacteriophages induced from methicillin-resistans Staphylococcus aureus strains

Name in Czech

Transdukce plazmidů bakteriofágy indukovanými z meticilin rezistentních kmenů Staphylococcus aureus

Authors

KUNTOVÁ, Lucie (203 Czech Republic), Ivana NEPEJCHALOVÁ (203 Czech Republic), Marian VARGA (203 Czech Republic), Roman PANTŮČEK (203 Czech Republic), Vladislava RŮŽIČKOVÁ (203 Czech Republic) and Jiří DOŠKAŘ (203 Czech Republic, guarantor)

Edition

Abstract book. Würzburg, Germany, Pathophysiology of Staphylococci, p. 49-49, 2008

Publisher

Transregional Collaborative Research Center 34

Other information

Language

English

Type of outcome

Stať ve sborníku

Field of Study

Genetics and molecular biology

Country of publisher

Germany

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

RIV identification code

RIV/00216224:14310/08:00026646

Organization unit

Faculty of Science

Keywords in English

Staphylococcus aureus; antimicrobial resistance; horizontal gene transfer; bacteriophages

Tags

International impact
Změněno: 31/10/2008 14:52, prof. RNDr. Roman Pantůček, Ph.D.

Abstract

V originále

Our work was focused on generalized transduction of resistance plasmids in MRSA strains. In a set of 66 clinical MRSA strains the plasmid content and lysogenicity were estimated. Lysogenic strains harboring tetracycline and penicillinase plasmids were chosen as the donor strains. The transduction were performed with phage lysates obtained by UV-irradiation of the donor strains. The prophage-less strain 8325-4, restriction-deficient strains SA113 and SA1039, and some clinical MRSA strains were used as recipients. Both penicillinase (30.2 kb) and tetracycline (4.4 kb) resistance plasmids were independently transferred into recipient strains SA113 and 8325-4. The transductants were characterized in detail in respect to transferred plasmids, antibiotic resistance phenotype and lysogenicity with transducing phages. The transducing phage induced from an MRSA strain differs from the well defined transducing phages 11, 80alpha and 53 in all tested characteristics, i.e. in integrase type, in the sequence of portal gene and in restriction endonuclease patterns (HindIII and EcoRI). It is suggested that prophages with transducing ability are responsible for dissemination of resistance determinants in populations of MRSA.

In Czech

Our work was focused on generalized transduction of resistance plasmids in MRSA strains. In a set of 66 clinical MRSA strains the plasmid content and lysogenicity were estimated. Lysogenic strains harboring tetracycline and penicillinase plasmids were chosen as the donor strains. The transduction were performed with phage lysates obtained by UV-irradiation of the donor strains. The prophage-less strain 8325-4, restriction-deficient strains SA113 and SA1039, and some clinical MRSA strains were used as recipients. Both penicillinase (30.2 kb) and tetracycline (4.4 kb) resistance plasmids were independently transferred into recipient strains SA113 and 8325-4. The transductants were characterized in detail in respect to transferred plasmids, antibiotic resistance phenotype and lysogenicity with transducing phages. The transducing phage induced from an MRSA strain differs from the well defined transducing phages 11, 80alpha and 53 in all tested characteristics, i.e. in integrase type, in the sequence of portal gene and in restriction endonuclease patterns (HindIII and EcoRI). It is suggested that prophages with transducing ability are responsible for dissemination of resistance determinants in populations of MRSA.

Links

MSM0021622415, plan (intention)
Name: Molekulární podstata buněčných a tkáňových regulací
Investor: Ministry of Education, Youth and Sports of the CR, Molecular basis of cell and tissue regulations