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題 名 | Rapid Identification of Staphylococcal Infection in Dairy Goat Raw Milk by a Multiplex PCR Assay=應用多引子PCR快速鑑定山羊生乳之葡萄球菌感染 |
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作 者 | 朱紀實; 賴治民; 余章游; 張文興; 林欣虹; 蘇耀期; | 書刊名 | 臺灣獸醫學雜誌 |
卷 期 | 36:3 2010.09[民99.09] |
頁 次 | 頁182-190 |
分類號 | 437.243 |
關鍵詞 | 多引子聚合酶鏈反應; 乳山羊; 葡萄球菌; Dairy goat; Multiplex PCR; Staphylococcus; |
語 文 | 英文(English) |
中文摘要 | 為改善乳用山羊乳房炎之診斷,本研究發展一套多引子PCR技術作為針對葡萄球菌屬感染快速鑑定之診斷工具,設計依據葡萄球菌屬特有的16S rRNA基因之引子對檢測葡萄球菌屬菌種,而排除其他細菌菌種,並增幅金黃色葡萄球菌特有之nuc基因之引子對來區分S. aureus和非金黃色葡萄球菌之葡萄球菌屬細菌,同時依據是否增幅出mecA基因之PCR產物,作為受檢菌株是否具有methicillin抗藥性之指標(如methicillin resistant staphylococcus aureus; MRSA)。總計收集3,427個次臨床乳羊場生乳樣本,配合傳統培養、API生化套組及PCR方法進行鑑定,結果顯示41.4%的細菌感染,優勢菌種分別為E-coli、Coagulase-negative staphylococci和S. aureus,這些菌種於各場間之盛行率存在著差異。S. aureus除A、B、D、E場之外,各場間皆為單一基因型(genotype A1)。 |
英文摘要 | To improve the diagnosis accuracy of staphylococcal infection in dairy goat with mastitis, we develops a multiplex polymerase chain reaction (PCR) assay by targeting specific regions of staphylococcal 16S rRNA for identification of staphylococcal infection, using specific nuc gene of S. aureus to distinguish S. aureus and the coagulase negative Staphylococci (CNS), and mecA gene responsible for oxacillin or methicillin resistance to determine methicillin resistant staphylococcus aureus (MRSA). The Analytical Profile Index (API) method, and PCR method were used to examine 3,427 milk samples from subclinically infected herds with traditional culture, and revealed 41.4% bacterial infection. E. coli, coagulase-negative staphylococci and S. aureus were the predominant bacteria and their prevalence differed among farms. Genotype Al S. aureus was clonally disseminated on most farms, except farms A, B, D, and E. |
本系統中英文摘要資訊取自各篇刊載內容。