Decreased susceptibility to zinc chloride is associated with methicillin resistant Staphylococcus aureus CC398 in Danish swine
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Decreased susceptibility to zinc chloride is associated with methicillin resistant Staphylococcus aureus CC398 in Danish swine. / Aarestrup, Frank Møller; Cavaco, Lina; Hasman, Henrik.
I: Veterinary Microbiology, Bind 142, Nr. 3-4, 19.05.2010, s. 455-7.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Decreased susceptibility to zinc chloride is associated with methicillin resistant Staphylococcus aureus CC398 in Danish swine
AU - Aarestrup, Frank Møller
AU - Cavaco, Lina
AU - Hasman, Henrik
N1 - Copyright 2009 Elsevier B.V. All rights reserved.
PY - 2010/5/19
Y1 - 2010/5/19
N2 - A total of 31 MRSA and 60 MSSA isolated from different swine farms in Denmark were examined for their susceptibility to zinc chloride, erythromycin, penicillin and tetracycline, as well as their spa-type. mecA positive isolates were examined for their SCCmec type. The isolates were assigned to a CC-type based on their spa-type and supportive multi-locus sequence typing (MLST). No difference in susceptibility to erythromycin, penicillin or tetracycline could be observed between methicillin resistant and susceptible isolates of CC398. Twenty-three (74%) of the MRSA CC398 isolates had reduced susceptibility to ZnCl(2) (MIC 4-12 mM), whereas all MSSA had MICs from 0.5 to 2 mM. Thirty MRSA, including all 23 zinc resistant isolates harboured SCCmec type V. This provides biological evidence to suggest that the use of zinc compounds may be partly implicated in the emergence of some MRSA clones among swine in Denmark.
AB - A total of 31 MRSA and 60 MSSA isolated from different swine farms in Denmark were examined for their susceptibility to zinc chloride, erythromycin, penicillin and tetracycline, as well as their spa-type. mecA positive isolates were examined for their SCCmec type. The isolates were assigned to a CC-type based on their spa-type and supportive multi-locus sequence typing (MLST). No difference in susceptibility to erythromycin, penicillin or tetracycline could be observed between methicillin resistant and susceptible isolates of CC398. Twenty-three (74%) of the MRSA CC398 isolates had reduced susceptibility to ZnCl(2) (MIC 4-12 mM), whereas all MSSA had MICs from 0.5 to 2 mM. Thirty MRSA, including all 23 zinc resistant isolates harboured SCCmec type V. This provides biological evidence to suggest that the use of zinc compounds may be partly implicated in the emergence of some MRSA clones among swine in Denmark.
KW - Animals
KW - Anti-Bacterial Agents
KW - Chlorides
KW - Denmark
KW - Methicillin-Resistant Staphylococcus aureus
KW - Microbial Sensitivity Tests
KW - Staphylococcal Infections
KW - Swine
KW - Swine Diseases
KW - Zinc Compounds
KW - Journal Article
KW - Research Support, Non-U.S. Gov't
U2 - 10.1016/j.vetmic.2009.10.021
DO - 10.1016/j.vetmic.2009.10.021
M3 - Journal article
C2 - 19939591
VL - 142
SP - 455
EP - 457
JO - Veterinary Microbiology
JF - Veterinary Microbiology
SN - 0378-1135
IS - 3-4
ER -
ID: 183246616