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Abstract

Antimicrobial peptides (AMPs) represent an important part of the innate host immune system. Although they are active against a broad range of pathogens, bacteria have evolved different resistance mechanisms to avoid killing by AMPs. Since not much is known about the impact of efflux pumps on the...

Author(s)
Blodkamp, S.; Kadlec, K.; Gutsmann, T.; Quiblier, C.; Naim, H. Y.; Schwarz, S.; Köckritz-Blickwede, M. von
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2017, 200, pp 52-58
Abstract

Bovine mastitis caused by bacterial pathogens, such as Staphylococcus (S.) aureus and Escherichia (E.) coli, is a major economic problem in dairy industry. In order to limit the presence of multi-resistant bacteria in bovine mastitis, alternatives for the treatment with antibiotics are urgently...

Author(s)
Langer, M. N.; Blodkamp, S.; Bayerbach, M.; Fessler, A. T.; Buhr, N. de; Gutsmann, T.; Kreienbrock, L.; Schwarz, S.; Köckritz-Blickwede, M. von
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2017, 210, pp 107-115
Abstract

This study reports on the emergence of linezolid-resistant coagulase-negative staphylococci (CoNS) containing the multiresistance gene cfr in veal calves and pigs, as well as in humans exposed to these animals. CoNS (Staphylococcus auricularis, Staphylococcus cohnii, Staphylococcus lentus, ...

Author(s)
Cuny, C.; Arnold, P.; Hermes, J.; Eckmanns, T.; Mehraj, J.; Schoenfelder, S.; Ziebuhr, W.; Zhao Qin; Wang Yang; Fessler, A. T.; Krause, G.; Schwarz, S.; Witte, W.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2017, 200, pp 88-94
Abstract

Cefoperazone is a third generation cephalosporin which is commonly used for bovine mastitis therapy. Bacterial pathogens involved in bovine mastitis are frequently tested for their susceptibility to cefoperazone. So far, the cefoperazone susceptibility testing using 30 µg disks has been hampered by ...

Author(s)
Fessler, A. T.; Kaspar, H.; Lindeman, C. J.; Peters, T.; Watts, J. L.; Schwarz, S.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2017, 200, pp 65-70
Abstract

The emergence of the multiresistance gene cfr in staphylococci is of global concern. In addition to conferring resistance to phenicols, lincosamides, pleuromutilins, streptogramin A antibiotics and selected 16-membered macrolides, the cfr gene also confers resistance to the oxazolidinone linezolid. ...

Author(s)
Shen JianZhong; Wang Yang; Schwarz, S.
Publisher
Oxford University Press, Oxford, UK
Citation
Journal of Antimicrobial Chemotherapy, 2013, 68, 8, pp 1697-1706
Abstract

The third generation cephalosporin cefoperazone is commonly used for bovine mastitis therapy. So far, the cefoperazone susceptibility testing using 30 µg disks was hampered by the lack of quality control (QC) ranges and the respective interpretive criteria. The aim of this study was to develop...

Author(s)
Fessler, A. T.; Turnidge, J.; Schwarz, S.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2014, 171, 3/4, pp 284-289
Abstract

Staphylococcus aureus is one of the main etiological agents of mastitis in ruminants. In the present retrospective study, we evaluated the potential interest of a previously described automated multiple loci Variable Number of Tandem Repeats (VNTR) Assay (MLVA) comprising 16 loci as a first line...

Author(s)
Bergonier, D.; Sobral, D.; Fessler, A. T.; Jacquet, E.; Gilbert, F. B.; Schwarz, S.; Treilles, M.; Bouloc, P.; Pourcel, C.; Vergnaud, G.
Publisher
BioMed Central Ltd, London, UK
Citation
Veterinary Research, 2014, 45, 97, pp (2 October 2014)
Abstract

The aim of this study was to investigate the genetic basis of combined pleuromutilin-lincosamide-streptogramin A resistance in 26 unrelated methicillin-resistant Staphylococcus aureus (MRSA) and coagulase-negative staphylococci (CoNS) from dairy cows suffering from mastitis. The 26...

Author(s)
Wendlandt, S.; Kadlec, K.; Fessler, A. T.; Schwarz, S.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2015, 177, 3/4, pp 353-358
Abstract

In this study MRSA isolates from dairy farms were investigated for their genetic relationships and antimicrobial susceptibility. In total, 125 MRSA isolates from 26 dairy farms were studied, including isolates from milk samples (n=46), dairy cattle (n=24), calves (n=6), dust samples from pig (n=16) ...

Author(s)
Fessler, A. T.; Riekerink, R. G. M. O.; Rothkamp, A.; Kadlec, K.; Sampimon, O. C.; Lam, T. J. G. M.; Schwarz, S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Microbiology, 2012, 160, 1/2, pp 77-84
Abstract

Although the 16-membered macrolide tylosin is commonly used for the treatment of bovine mastitis, little information is currently available about the susceptibility of mastitis pathogens to tylosin. In the present study, 112 Staphylococcus aureus and 110 coagulase-negative Staphylococcus (CoNS)...

Author(s)
Entorf, M.; Fessler, A. T.; Kadlec, K.; Kaspar, H.; Mankertz, J.; Peters, T.; Schwarz, S.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2014, 171, 3/4, pp 368-373

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