肠球菌 

肠球菌属
感染肺部組織的肠球菌
科学分类 编辑
域: 细菌域 Bacteria
界: 细菌界 Bacteria
门: 厚壁菌门 Firmicutes
纲: 芽孢杆菌纲 Bacilli
目: 乳杆菌目 Lactobacillales
科: 肠球菌科 Enterococcaceae
属: 肠球菌属 Enterococcus
(Andrewes and Horder 1906) Schleifer and Kilpper-Bälz 1984
模式種
粪肠球菌
Enterococcus faecalis
(Andrewes and Horder 1906) Schleifer and Kilpper-Bälz 1984

见正文

腸球菌屬(學名:Enterococcus),革蘭氏陽性球菌。經常以成對(雙球菌)或短鏈方式存在,故從形態上與鏈球菌屬很難區分[1]。在人類腸道裡有兩種常見的偏利共生腸球菌:糞腸球菌Enterococcus faecalis)約佔90-95%和屎腸球菌Enterococcus faecium)約佔5-10%。其他人體中較少見的菌群還有E. casseliflavusE. gallinarumE. raffinosus[1]腸球菌因為能生成抵抗藥物的物質,使它們不容易被抗生素殺死,且容易散播抗藥性並可在惡劣環境中生存,故近年來已成為臨床感染的重要致病菌之一[2][3][4][5][6][7]。尤其是E. faecium經常對氨苄青黴素(ampicillin)及萬古黴素(vancomycin)具有抗藥性,是所有腸球菌感染症中最難治療的。

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