通过40℃生长特性鉴定Ⅲ型无乳链球菌高毒力克隆株
Identification of a high-virulence clone of serotype III Streptococcus agalactiae by growth characteristics at 40 degrees C.
作者信息
Mattingly S J, Maurer J J, Eskew E K, Cox F
机构信息
Department of Microbiology, University of Texas Health Science Center, San Antonio 78284.
出版信息
J Clin Microbiol. 1990 Jul;28(7):1676-7. doi: 10.1128/jcm.28.7.1676-1677.1990.
Abstract
A high-virulence clone of serotype III Streptococcus agalactiae causing invasive neonatal disease was previously identified by multilocus enzyme electrophoresis. A simple procedure involving growth at 40 degrees C distinguished all isolates classified in this high-virulence clone from other serotype III isolates, which are more frequently associated with asymptomatically colonized infants, as well as the other serotypes of group B streptococci. The high-virulence clone failed to grow at 40 degrees C in FMC, a chemically defined medium, in contrast to the other organisms, which grew readily.
摘要
先前通过多位点酶电泳鉴定出一株导致新生儿侵袭性疾病的高毒力Ⅲ型无乳链球菌克隆株。一个简单的程序，即40℃培养，可将该高毒力克隆株中的所有分离株与其他Ⅲ型分离株区分开来，后者更常与无症状定植婴儿相关，也可与B族链球菌的其他血清型区分开来。与其他能在该化学限定培养基FMC中于40℃下轻易生长的菌株相比，该高毒力克隆株在FMC中于40℃下无法生长。
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