无乳链球菌在准确定义培养基中的色素生成
Pigment production by Streptococcus agalactiae in quasi-defined media.
作者信息
Rosa-Fraile M, Sampedro A, Rodríguez-Granger J, García-Peña M L, Ruiz-Bravo A, Haïdour A
机构信息
Microbiology Service, Virgen de las Nieves Hospital, 18014 Granada.
出版信息
Appl Environ Microbiol. 2001 Jan;67(1):473-4. doi: 10.1128/AEM.67.1.473-474.2001.
Abstract
A quasi-defined medium that supports the growth of Streptococcus agalactiae as pigmented colonies has been developed. The medium contains starch, a peptic digest of albumin, amino acids, nucleosides, vitamins, and salts. The presence of free cysteine, which could be replaced with other sulphur-containing compounds and to a lesser degree by reducing agents, was required for pigment formation.
摘要
已开发出一种准确定义的培养基，该培养基能支持无乳链球菌生长形成色素沉着菌落。该培养基含有淀粉、白蛋白的胃蛋白酶消化物、氨基酸、核苷、维生素和盐。色素形成需要游离半胱氨酸的存在，游离半胱氨酸可用其他含硫化合物替代，在较小程度上也可用还原剂替代。
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