通过生化和生理学测试识别源自人类的D组链球菌菌种。
Recognition of group D streptococcal species of human origin by biochemical and physiological tests.
作者信息
Facklam R R
出版信息
Appl Microbiol. 1972 Jun;23(6):1131-9. doi: 10.1128/am.23.6.1131-1139.1972.
Abstract
The speciation of 262 strains of group D streptococci isolated from human sources is described. One hundred forty-two isolates from blood cultures were included; 96 of these were submitted as isolates from clinical cases of subacute bacterial endocarditis. The results show that 98 Streptococcus faecalis, 29 S. faecalis var. zymogenes, 44 S. faecalis var. liquefaciens, 27 S. faecium, 13 S. durans, 44 S. bovis, and 7 unspeciated S. bovis-like group D isolates were identified. No S. faecium var. casseliflavus, S. equinus, or S. avium (group Q streptococci) were identified among the human isolates. The speciation procedures and techniques are detailed. The procedures and limitations of the tests used are discussed. Ninety-eight percent of the 262 strains were speciated by a spectrum of tests that allowed us to recognize atypical as well as typical strains within species.
摘要
本文描述了从人类样本中分离出的262株D群链球菌的菌种鉴定情况。其中包括从血培养中分离出的142株；这些菌株中有96株是作为亚急性细菌性心内膜炎临床病例的分离株提交的。结果显示，鉴定出98株粪肠球菌、29株产酶粪肠球菌变种、44株液化粪肠球菌变种、27株屎肠球菌、13株坚韧肠球菌、44株牛链球菌以及7株未明确分类的牛链球菌样D群分离株。在人类分离株中未鉴定出鹑鸡肠球菌变种、马肠球菌或鸟肠球菌（Q群链球菌）。文中详细介绍了菌种鉴定的程序和技术，并讨论了所用检测方法的步骤和局限性。通过一系列检测，262株菌株中有98%得以鉴定，这些检测使我们能够识别出各菌种内的非典型菌株和典型菌株。
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