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Antimicrobial Agent Susceptibility and Typing of Staphylococcal Isolates from Subclinical Mastitis in Ewes
dc.creator | Vasileiou N.G.C., Sarrou S., Papagiannitsis C., Chatzopoulos D.C., Malli E., Mavrogianni V.S., Petinaki E., Fthenakis G.C. | en |
dc.date.accessioned | 2023-01-31T10:28:15Z | |
dc.date.available | 2023-01-31T10:28:15Z | |
dc.date.issued | 2019 | |
dc.identifier | 10.1089/mdr.2019.0009 | |
dc.identifier.issn | 10766294 | |
dc.identifier.uri | http://hdl.handle.net/11615/80464 | |
dc.description.abstract | Objective was to study susceptibility to antimicrobial agents of 142 staphylococcal isolates from subclinical mastitis in ewes. In total, 41.5% of these were resistant and 5.6% multidrug resistant. More coagulase-negative staphylococci (47.0%) were resistant than Staphylococcus aureus (18.5%) isolates. Resistance was greater to penicillin (22.5%), tetracycline, or ampicillin (18.3%). More biofilm-forming (20.6%) isolates were resistant to tetracycline than nonbiofilm-forming (0.0%) ones. Presence of tetK was associated with presence of icaA in the same strains. Further, 76.6% of resistant isolates versus 57.7% of susceptible ones were recovered immediately postpartum and 23.4% of resistant isolates versus 9.9% of susceptible ones were recovered in farms that practiced routine administration of antimicrobial agents at the end of a lactation period. Most S. aureus (59.3%) were classified in ST133 and most Staphylococcus epidermidis were classified in ST100, ST142, or ST152 (19.0% each). There was no association of sequence types with resistance. Whole genome sequencing showed that, in a Staphylococcus lentus strain, the ermB gene was part of transposon Tn917 integrated into the chromosome; also, a small plasmid was observed in an ermC-carrying Staphylococcus hominis strain and, finally, in an S. aureus and an S. epidermidis strains, small tetK-carrying plasmids (pSau-2716Lar, pSau-3893Lar) of 4.439 kb were found. © Copyright 2019, Mary Ann Liebert, Inc., publishers 2019. | en |
dc.language.iso | en | en |
dc.source | Microbial Drug Resistance | en |
dc.source.uri | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85068043507&doi=10.1089%2fmdr.2019.0009&partnerID=40&md5=e577c052866681b3e3a6aa877fb7e23c | |
dc.subject | ampicillin | en |
dc.subject | antiinfective agent | en |
dc.subject | azithromycin | en |
dc.subject | cefoxitin | en |
dc.subject | clarithromycin | en |
dc.subject | clindamycin | en |
dc.subject | cotrimoxazole | en |
dc.subject | erythromycin | en |
dc.subject | fosfomycin | en |
dc.subject | fusidic acid | en |
dc.subject | penicillin derivative | en |
dc.subject | tetracycline | en |
dc.subject | antiinfective agent | en |
dc.subject | animal experiment | en |
dc.subject | antibiotic resistance | en |
dc.subject | antibiotic sensitivity | en |
dc.subject | Article | en |
dc.subject | bacterial gene | en |
dc.subject | bacterial strain | en |
dc.subject | bacterium identification | en |
dc.subject | bacterium isolate | en |
dc.subject | biofilm | en |
dc.subject | chromosome | en |
dc.subject | coagulase negative Staphylococcus | en |
dc.subject | ewe | en |
dc.subject | lactation | en |
dc.subject | mastitis | en |
dc.subject | multidrug resistance | en |
dc.subject | nonhuman | en |
dc.subject | nucleotide sequence | en |
dc.subject | priority journal | en |
dc.subject | sequence analysis | en |
dc.subject | Staphylococcus | en |
dc.subject | Staphylococcus aureus | en |
dc.subject | Staphylococcus epidermidis | en |
dc.subject | Staphylococcus hominis | en |
dc.subject | Staphylococcus lentus | en |
dc.subject | transposon | en |
dc.subject | whole genome sequencing | en |
dc.subject | animal | en |
dc.subject | bovine | en |
dc.subject | bovine mastitis | en |
dc.subject | drug effect | en |
dc.subject | female | en |
dc.subject | genetics | en |
dc.subject | isolation and purification | en |
dc.subject | microbial sensitivity test | en |
dc.subject | microbiology | en |
dc.subject | milk | en |
dc.subject | procedures | en |
dc.subject | sheep | en |
dc.subject | Staphylococcus | en |
dc.subject | Staphylococcus infection | en |
dc.subject | veterinary medicine | en |
dc.subject | Animals | en |
dc.subject | Anti-Bacterial Agents | en |
dc.subject | Cattle | en |
dc.subject | Drug Resistance, Multiple, Bacterial | en |
dc.subject | Female | en |
dc.subject | Mastitis, Bovine | en |
dc.subject | Microbial Sensitivity Tests | en |
dc.subject | Milk | en |
dc.subject | Sheep | en |
dc.subject | Staphylococcal Infections | en |
dc.subject | Staphylococcus | en |
dc.subject | Mary Ann Liebert Inc. | en |
dc.title | Antimicrobial Agent Susceptibility and Typing of Staphylococcal Isolates from Subclinical Mastitis in Ewes | en |
dc.type | journalArticle | en |
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