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Bibliographic Record
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- Material Type
- 文書・図像類
- Author/Editor
- 中馬, 猛久
- Author Heading
- 中馬, 猛久 チュウマ, タケヒサ
- Publication, Distribution, etc.
- Alternative Title
- Transmission of multi-antimicrobial resistant Staphylococcus spp. and the resistant factors between animals and humans
- Text Language Code
- jpn
- Target Audience
- 一般
- Note (General)
- 2008-2010年度科学研究費補助金(基盤研究(C))研究成果報告書 課題番号：20580340 研究代表者：中馬猛久 (鹿児島大学農学部准教授)動物由来ブドウ球菌属120株のmecA保有状況、薬剤耐性状況、遺伝子レベルでの調査を行った結果、S.aureusが21 株、S. pseudintermediusが67株、CNS (Coagulase Negative Staphylococcus)が32株であった。SCCmec型別では、S.aureus は6株および5株が人での流行型であるII型、IV型を示した。この型は共に。S. pseudintermediusは17株がIII型、10株がV型であり、S. aureus と異なる流行を示した。S. aureusは人の流行型であるSCCmec型II, IV型に型別され、PFGE型も多様性を示したことから人と動物の間での伝播の可能性が示唆された。S. pseudintermediusはIII, V型に型別されたことから、S. pseudintermediusにおける薬剤耐性は動物内で獲得され、動物間で伝播する可能性が示唆された。mecA was detected in 55% (11/20) of S. aureus, 40% (27/67) of SIG and 9% (3/32) of coagulase-negative staphylococci (CNS). Sequencing of mecA-positive SIG identified all isolates as S. pseudintermedius. mecA-positive MRSA were classified into SCCmec type II (n = 6) and IV (n = 5); MRSP were categorized into SCCmec type III (n = 17) and V (n = 9). One MRSP and 3 S. sciuri isolates harboured untypable SCCmec elements. Diversities of the DNA fingerprints were exhibited by the majority of MRSP and all MRSA isolates. In conclusion, Detection of SCCmec types II and IV in dogs and cats indicated a likely spread of MRSA from humans to pet animals. Occurrence of SCCmec type III and V elements only in veterinary medicine indicated a different mode of transmission of these mobile resistance elements that was entirely confined within animal cycles. Diverse PFGE profiles may signify a potentially widespread horizontal transmission of similar SCCmec elements amongst clonally unrelated staphylococci.