{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T22:22:24Z","timestamp":1791411744852,"version":"4.3.3"},"reference-count":83,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2020,5,15]],"date-time":"2020-05-15T00:00:00Z","timestamp":1589500800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pathogens"],"abstract":"<jats:p>The aim of this study was to characterize staphylococci and streptococci in milk from Egyptian bovides. In total, 50 milk samples were collected from localities in the Nile Delta region of Egypt. Isolates were cultivated, identified using matrix-assisted laser desorption\/ionization time-of-flight mass spectrometry (MALDI-TOF MS), and antibiotic susceptibility testing was performed by the broth microdilution method. PCR amplifications were carried out, targeting resistance-associated genes. Thirty-eight Staphylococcus isolates and six Streptococcus isolates could be cultivated. Staphylococcus aureus isolates revealed a high resistance rate to penicillin, ampicillin, clindamycin, and erythromycin. The mecA gene defining methicillin-resistant Staphylococcus aureus, erm(C) and aac-aphD genes was found in 87.5% of each. Coagulase-negative staphylococci showed a high prevalence of mecA, blaZ and tetK genes. Other resistance-associated genes were found. All Streptococcus dysgalactiae isolates carried blaZ, erm(A), erm(B), erm(C) and lnuA genes, while Streptococcus suis harbored erm(C), aphA-3, tetL and tetM genes, additionally. In Streptococcus gallolyticus, most of these genes were found. The Streptococcus agalactiae isolate harbored blaZ, erm(B), erm(C), lnuA, tetK, tetL and tetM genes. Streptococcus agalactiae isolate was analyzed by DNA microarray analysis. It was determined as sequence type 14, belonging to clonal complex 19 and represented capsule type VI. Pilus and cell wall protein genes, pavA, cadD and emrB\/qacA genes were identified by microarray analysis.<\/jats:p>","DOI":"10.3390\/pathogens9050381","type":"journal-article","created":{"date-parts":[[2020,5,15]],"date-time":"2020-05-15T10:53:59Z","timestamp":1589540039000},"page":"381","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Characterization of Staphylococci and Streptococci Isolated from Milk of Bovides with Mastitis in Egypt"],"prefix":"10.3390","volume":"9","author":[{"given":"Wedad","family":"Ahmed","sequence":"first","affiliation":[{"name":"Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany"},{"name":"Department of Microbiology, Faculty of Veterinary Medicine, Benha University, PO Box 13736 Moshtohor Toukh, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heinrich","family":"Neubauer","sequence":"additional","affiliation":[{"name":"Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Herbert","family":"Tomaso","sequence":"additional","affiliation":[{"name":"Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fatma Ibrahim","family":"El Hofy","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Faculty of Veterinary Medicine, Benha University, PO Box 13736 Moshtohor Toukh, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan","family":"Monecke","sequence":"additional","affiliation":[{"name":"Leibniz Institute of Photonic Technology (IPHT), Albert-Einstein-Str. 9, 07745 Jena, Germany"},{"name":"InfectoGnostics Research Campus Jena e. V., Philosophenweg 7, 07743 Jena, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashraf Awad","family":"Abdeltawab","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Faculty of Veterinary Medicine, Benha University, PO Box 13736 Moshtohor Toukh, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helmut","family":"Hotzel","sequence":"additional","affiliation":[{"name":"Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, Naumburger Str. 96a, 07743 Jena, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2020,5,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"10381","DOI":"10.3168\/jds.2017-13023","article-title":"A 100-Year Review: Mastitis detection, management, and prevention","volume":"100","author":"Ruegg","year":"2017","journal-title":"J. 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