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正常新生儿粪便菌群中的拟杆菌属物种。

Bacteroides species in the normal neonatal faecal flora.

作者信息

Rotimi V O, Duerden B I

出版信息

J Hyg (Lond). 1981 Oct;87(2):299-304. doi: 10.1017/s0022172400069515.

Abstract

Bacteroides spp. were isolated from the faeces of neonates and identified by rapid modifications of established conventional methods. Gram-negative anaerobic bacilli were recovered from 12 out of 16 neonates and a heavy growth of Bacteroides spp. was obtained from all 12 specimens. Twelve representative isolates from each subject were selected for identification; 141 of the 144 Bacteroides isolates belonged to the B. fragilis group and three to the B. melaninogenicus/oralis group. Eight species were represented within the B. fragilis group. B. vulgatus (c. 46%) and B. thetaiotaomicron (c. 30%) were the predominant species. B. fragilis, the type-species of the group, formed only a small proportion of neonatal faecal flora. The proportional representation of individual species were similar to that found in adults but B. asaccharolyticus was not represented.

摘要

拟杆菌属从新生儿粪便中分离得到,并通过对既定传统方法的快速改良进行鉴定。16名新生儿中有12名分离出革兰氏阴性厌氧杆菌,且从所有12份标本中均获得了大量生长的拟杆菌属。从每个受试者中挑选12株代表性分离株进行鉴定;144株拟杆菌分离株中有141株属于脆弱拟杆菌群,3株属于产黑色素拟杆菌/口腔拟杆菌群。脆弱拟杆菌群中有8个菌种。普通拟杆菌(约46%)和多形拟杆菌(约30%)是主要菌种。该菌群的模式菌种脆弱拟杆菌在新生儿粪便菌群中仅占一小部分。各菌种的比例分布与在成人中发现的相似,但未发现解糖拟杆菌。

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