ArticleTropical animal health and production2020
Microarray-based detection of resistance genes in coagulase-negative staphylococci isolated from cattle and buffalo with mastitis in Egypt.
Article in Tropical animal health and production, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 2 of them syntheses that pooled it.
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Who cites it
16 citing papers in PubMed, 2 syntheses or guidelines pooled it, 22 citations in OpenAlex.
- Prevalence of methicillin-resistant coagulase-negative staphylococci in Africa: a systematic review and meta-analysis.BMC infectious diseases · 2025Pooled it
- Epidemiology and antimicrobial resistance of staphylococci other thanFrontiers in veterinary science · 2022Pooled it
- Article
- Mechanisms of fusidic acid resistance.Biochemical Society transactions · 2025Review
- The Opportunistic PathogenAntibiotics (Basel, Switzerland) · 2024Review
- Article
- Prevalence, characterization, and implications of methicillin-resistantSustainable microbiology · 2024Article
- A report of coagulase-negativeIranian journal of veterinary research · 2024Article
- Molecular epidemiology and characterization of antimicrobial-resistantFrontiers in cellular and infection microbiology · 2023Article
- Prevalence, multiple antibiotic resistance and virulence profile of methicillin-resistantFrontiers in cellular and infection microbiology · 2023Article
- Matrix-assisted laser desorption ionization-time-of-flight mass spectrometry in veterinary medicine: Recent advances (2019-present).Veterinary world · 2022Review
- Emerging vancomycin-non susceptible coagulase negative Staphylococci associated with skin and soft tissue infections.Annals of clinical microbiology and antimicrobials · 2022Article
- Changes in the lipidome of water buffalo milk during intramammary infection by non-aureus Staphylococci.Scientific reports · 2022Article
- Detection of Resistant and Enterotoxigenic Strains ofFoods (Basel, Switzerland) · 2022Article
- Peptidomic changes in the milk of water buffaloes (Bubalus bubalis) with intramammary infection by non-aureus staphylococci.Scientific reports · 2022Article
- Subclinical Mastitis in Selected Bovine Dairy Herds in North Upper Egypt: Assessment of Prevalence, Causative Bacterial Pathogens, Antimicrobial Resistance and Virulence-Associated Genes.Microorganisms · 2021Article
Corrections and comments
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Authors and funding
12 authors at 6 institutions in 3 countries.
Funding
Abstract
The present study aimed to provide a detailed characterization of coagulase-negative staphylococci (CoNS) isolated from cows and buffaloes with mastitis. The study included seventy-five CoNS isolates (60 came from cattle and 15 from buffaloes) originating from 68 individual quarters of 67 dairy cows (53 cattle and 14 buffaloes). The animals belonged to five different small holding dairy herds (n = 140 cows) that show clinical or subclinical mastitis. CoNS isolates were phenotypically characterized using MALDI-TOF-MS and were further genotypically characterized by microarray-based assays. Furthermore, the antimicrobial susceptibility of CoNS strains which carried the mecA gene was examined by broth microdilution. The occurrence of CoNS in the respective five herds was 10.5%, 14.7%, 14.8%, 12.8%, and 9.9%, with an average of 12.4%. Six different CoNS species were identified: S. sciuri (n = 37; 30 from cattle and 7 from buffaloes), S. chromogenes (n = 14; 8 from cattle and 6 from buffaloes), S. haemolyticus (n = 10; nine from cattle and one buffalo), S. xylosus (n = 10; nine from cattle and one buffalo), S. hyicus (n = 2), S. warneri (n = 1), and unidentified CoNS (n = 1). Twenty percent (20%) of CoNS isolates (17.3% of cattle origin) carried at least one antimicrobial resistance gene, while 4% of the isolate including two isolates of S. haemolyticus and one S. warneri of cattle origin carried the mecA gene and were phenotypically identified as methicillin-resistant strains. The genes detected were blaZ (16%), followed by tet(K) (8%), aacA-aphD (4%), aphA3 (2.6%), msr(A) (2.6%), [far1 (2.6%), and fusC (2.6%)], sat (2.6%), and cat (1.3%) conferring resistance to penicillin, tetracycline, gentamicin, neomycin/kanamycin, erythromycin, fusidic acid, streptothricin, and chloramphenicol, respectively. The majority of investigated CoNS strains displayed considerably low prevalence of resistance genes, while resistance to more than three antibiotics was found in S. haemolyticus and S. warneri. Implementing effective preventive measures is, therefore, important for limiting the transmission of CoNS, rather than using antibiotics to control mastitis in bovines.
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