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弧菌属与黄杆菌属,多见于()

发布日期:2021-03-15

弧菌属与黄杆菌属,多见于()
A

水产品

B

乳制品

C

冷冻食品

D

肉、鱼和罐头

E

咸鱼

试题解析

黄杆菌属

黄杆菌属是一种非发酵革兰氏阴性杆菌,是以产生黄色素为特征的一个菌属,包括脑膜炎脓毒性黄杆菌、短黄杆菌、水生黄杆菌、嗜盐黄杆菌以及吲哚黄杆菌等,广泛存在于淡水、海水、土壤和植物中。

中文名
黄杆菌属
外文名
Flavobacterium

弧菌属

弧菌属(Vibrio)为弧菌科的1属。本属细菌种类多,分布广泛,尤其是水中最为常见。形状短小,约0.5×(1~5)微米,因弯曲如弧而得名。分散排列,偶尔互相连接成S状或螺旋状。革兰氏染色阴性,菌体一端有单鞭毛,运动活泼。无芽胞,无荚膜。需氧或兼性厌氧,分解葡萄糖,产酸不产气,氧化酶阳性,赖氨酸脱羧酶阳性,精氨酸水解酶阴性,嗜碱,耐盐,不耐酸。DNA中的G+C克分子含量为40~50%。

中文名
弧菌属
弧菌科
特点
外文名
Vibrio
形状
约0.5×(1~5)微米,弯曲如弧
类型
需氧或兼性厌氧

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