A Duplex PCR for detection of S. aureus and Staphylococcus spp. from culture and bovine milk samples
Mastitis süt sığırcılığı endüstrisinin en fazla ekonomik kayba neden olan problemidir. Stafilokok türleri en sık izole edilen etkenler olup, Staphylococcus aureus ise süt sığırlarında en önemli kontagiyöz etkendir. Bu çalışmanın amacı stafilokok türleri ve S. aureus’un kültür ve süt örneklerinden teşhisi için ikili bir PZR tekniğinin geliştirilmesidir. Çalışmada pozitif kontrol olarak, S. aureus (ATCC 25923) ve S. epidermidis (ATCC 12228) DNA’sı kullanıldı. Geliştirilen tekniğin denenmesi amacıyla Veteriner Hekimlerce laboratuvarımıza gönderilen örneklerden bir adet koagulaz negatif stafilokok bir adet de S. aureus pozitif süt örneği klinik örnek olarak kullanıldı. Çalışmada sütten ve kültür örneklerinden stafilokok ve S. aureus’un teşhisi ve ayrımı için ikili ve hızlı bir PZR tekniği geliştirildi. Geliştirilen bu tekniğin stafilokok türleri ve S. aureus’un bir kaç saat içinde hem süt hem de kültür örneklerinden tanısı ve ayrımı için alternatif, güvenilir ve hızlı bir tanı yöntemi olarak özellikle sonuçların çiftlik bazında kullanılmak üzere klinik ve subklinik olgularda ineğin tedavi edilmesi ya da kesime gönderilmesine karar verilmesi amacıyla kullanılabileceği ortaya konuldu.
Sığır mastitis süt örneklerinden stafilokok türlerinin ve S. aureus’un teşhisine yönelik ikili bir PZR tekniği
Mastitis is the most costly disease in dairy industry. Staphylococcus spp. is the most frequently isolated microorganisms and Staphylococcus aureus is one of the most important contagious mastitis agents in dairy cattle. The aim of this study is developing a duplex PCR technique for detection of Staphylococcus spp. and S. aureus from culture and milk samples. S. aureus (ATCC 25923) and S. epidermidis (ATCC 12228) DNAs were used as positive control. For the purpose of testing the developed technique, one coagulase-negative Staphylococcus and one S. aureus positive milk sample was used as a clinical sample that they were sent by Veterinary Practitioners. In this study, a duplex and rapid PCR protocol is developed for detecting and separating these organisms from culture and from milk samples. This procedure can be used as an alternative, reliable and fast detection and identification method for Staphylococcus spp. and S. aureus in few hours for deciding treating or culling the cows in farm base in clinical mastitis cases and can be a useful diagnostic method for subclinical mastitis cases too.
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- ISSN: 1017-8422
- Yayın Aralığı: Yılda 3 Sayı
- Başlangıç: 1990
- Yayıncı: Yüzüncü Yıl Üniv. Veteriner Fak.
Sayıdaki Diğer Makaleler
A Duplex PCR for detection of S. aureus and Staphylococcus spp. from culture and bovine milk samples
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