Kristina Kadlec

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In recent years, methicillin-resistant Staphylococcus aureus (MRSA) have become a truly global challenge. In addition to the long-known healthcare-associated clones, novel strains have also emerged outside of the hospital settings, in the community as well as in livestock. The emergence and spread of virulent clones expressing Panton-Valentine leukocidin(More)
OBJECTIVES Twenty-five MRSA ST398 isolates from cases of bovine clinical mastitis and two isolates from farm personnel collected from 17 dairy farms in Germany were investigated for genetic relatedness, antimicrobial resistance and virulence properties. METHODS Genomic relationships were determined by ApaI PFGE, spa typing, SCCmec typing and dru typing.(More)
OBJECTIVES The aim of this study was to determine the phenotypic and genotypic resistance profiles of methicillin-resistant Staphylococcus pseudintermedius (MRSP) and to examine the clonal distribution in Europe and North America. METHODS A total of 103 MRSP isolates from dogs isolated from several countries in Europe, the USA and Canada were(More)
OBJECTIVES Fifty-four methicillin-resistant Staphylococcus aureus (MRSA) ST398 isolates from unrelated diseased swine collected all over Germany were comparatively investigated for their antimicrobial resistance and virulence properties, and for their genomic relatedness. METHODS MICs of 30 antimicrobial agents were determined by broth microdilution.(More)
During a survey of fresh chicken and turkey meat as well as chicken and turkey meat products for the presence of methicillin-resistant Staphylococcus aureus (MRSA) isolates in Germany, 32 (37.2%) of 86 samples were MRSA positive. Twenty-eight of these MRSA isolates belonged to clonal complex 398 (CC398), which is widespread among food-producing animals.(More)
A novel ABC transporter gene, vga(C), was identified on the 14,365-bp multiresistance plasmid pKKS825 in a porcine methicillin (meticillin)-resistant Staphylococcus aureus isolate of sequence type 398. The vga(C) gene encodes a 523-amino-acid protein which confers resistance not only to streptogramin A antibiotics but also to lincosamides and(More)
Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) isolates have been the subject of numerous studies during recent years. The characterization of such isolates has usually also included the determination of their resistance phenotypes and associated resistance genotypes. Analysis of the resistance genes present in LA-MRSA isolates(More)
The trimethoprim resistance gene dfrK was found to be part of the novel Tn554-related transposon Tn559 integrated in the chromosomal radC gene of a porcine methicillin-susceptible Staphylococcus aureus ST398 strain. While Tn559 and Tn554 had similar arrangements of the transposase genes tnpA, tnpB, and tnpC, the Tn554-associated resistance genes erm(A) and(More)
OBJECTIVES During recent years, methicillin-resistant Staphylococcus aureus (MRSA) strains from animals have become the focus of various studies. In the present study, coagulase-positive staphylococci obtained from pigs, dogs and cats suffering from acute infections, which had been collected in the BfT-GermVet monitoring programme in Germany and(More)
OBJECTIVES In the BfT-GermVet monitoring study, 417 Escherichia coli isolates collected during 2004-06 in Germany from various disease conditions of pigs (n = 87), horses (n = 102) or cats/dogs (n = 228) were investigated for their susceptibility to 24 antimicrobial agents. This study dealt with the identification of integron-associated resistance genes(More)