利用色素产生检测和鉴定B族链球菌。
Detection and identification of group B streptococci by use of pigment production.
作者信息
Noble M A, Bent J M, West A B
出版信息
J Clin Pathol. 1983 Mar;36(3):350-2. doi: 10.1136/jcp.36.3.350.
Abstract
Pigment production by group B streptococci (GBS) is a useful test for identification of the organisms. The test is positive in 99.5% of beta-haemolytic strains. No false-positives are noted. Non-haemolytic strains do not produce pigment. Islam's media less agar can be used as a one-step broth detector of GBS in mixed cultures. This may have application for the detection of GBS in women in labour. When used as an identification system for GBS, serum-starch broth can be further modified by reduction of serum and starch concentrations by at least 80%.
摘要
B族链球菌（GBS）产生色素是鉴定该菌的一项有用检测。该检测在99.5%的β溶血性菌株中呈阳性。未发现假阳性。非溶血性菌株不产生色素。伊斯兰培养基少琼脂可作为混合培养物中GBS的一步肉汤检测剂。这可能适用于检测分娩期妇女的GBS。当用作GBS的鉴定系统时，血清淀粉肉汤可通过将血清和淀粉浓度至少降低80%来进一步改良。
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