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第四节 革兰氏阴性需氧杆菌
考纲要点:(1)布鲁氏菌、鼻疽伯氏菌、支气管败血波氏菌的病原特征、流行症状及病理诊断特点;(2)能鉴别诊断革兰氏阴性需氧杆菌致病特征。
一、布鲁氏菌属
布鲁氏菌又称布氏杆菌,有6个种,20个生物型,是引起多种动物和人布鲁氏菌病的病原。
布鲁氏菌
1.病原
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00030001.jpg?sign=1734440851-2nCEkSrO93yVvlYVKnhCmbCR4K5jQf9b-0-5a66904ec883983c71a8febc6a676eb2)
2.流行特点
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00030002.jpg?sign=1734440851-eCmrv9L4MgEt2jXU3YaPdc3eZkrBvaI6-0-4e96a5460e76613fe3ed5003ed3d351f)
3.症状与病理变化
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00030003.jpg?sign=1734440851-J2dVu3VcziaDtxAhdItKRyVQJDASUHgJ-0-d803adcc0ce13be7fcbc3377f9d61053)
4.诊断
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00030004.jpg?sign=1734440851-iA1Ll4zbt732DNMsDKZJwWWQ2z15UBdw-0-3bd95e6611d13e43f102c926c1a7dbb4)
二、伯氏菌属
伯氏菌属成员原归于假单胞菌属,后将其独立成为伯氏菌科。本属致病的仅有两种,即鼻疽伯氏菌及伪鼻疽伯氏菌,均可经气溶胶传播,生物安全风险较大。
鼻疽伯氏菌
1.病原
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00030005.jpg?sign=1734440851-qIo9qj7crG8BHy1sqgWiDG2LpQ4UGQey-0-bcb2de4fa573c96355f3186ed19cc172)
2.流行特点
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00030006.jpg?sign=1734440851-WV1q51I2A9ZwoL2jEXxTFECy2xpWbyxX-0-d68209c32a8d2ebb683c9a23c4dc6fdb)
3.症状与病理变化
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00030007.jpg?sign=1734440851-xpVVvELKwom1NslHLsqnkINqILoHYU6x-0-b69ee113dd6e03f7c9c0622454747ef1)
4.诊断
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00031001.jpg?sign=1734440851-88kZMPQFB0BlPkSEnJUWo3f957QF8vRQ-0-2a7aa5d312cbc9ca60dc2d89f96ca528)
三、波氏菌属
波氏菌属又译作博代氏菌,属产碱杆菌科。本属有7个种,多数成员专性寄生于哺乳动物或禽类,定殖在呼吸道上皮细胞的纤毛上,并致呼吸道疾病。
支气管败血波氏菌
1.病原
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00031002.jpg?sign=1734440851-0yiNodQUNA9NoC1i9jBPPBjgjolmcsCS-0-2e77c40fdb374aefdae462523a27a944)
2.流行特点
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00031003.jpg?sign=1734440851-Q2X595nrVUhaPrkhKNzGEzapphl6nuF7-0-1ea74f8d715b8cf08bcdca539cbdb362)
3.症状与病理变化
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00031004.jpg?sign=1734440851-fVF7yYpjkBdBM4ielu9kBgVpmbGVa49B-0-62f8bf47b9e0d97b44b1b01869ebde17)
4.诊断
![](https://epubservercos.yuewen.com/48D74E/16499768905839706/epubprivate/OEBPS/Images/img00031005.jpg?sign=1734440851-VqUtDbCygMuamKTxWHGbbrceceGb3zSE-0-0aa26679b6c2576342e8b9e2cad641e4)