RT Journal Article T1 Pigment production by Streptococcus agalactiae in quasi-defined media. A1 Rosa-Fraile, Manuel A1 Sampedro, Antonio A1 Rodríguez-Granger, Javier A1 García-Peña, Maria Luisa A1 Ruiz-Bravo, Alfonso A1 Haïdour, Ali K1 Pigmentos biológicos K1 Medios de cultivo K1 Infecciones estreptocócicas K1 Streptococcus agalactiae K1 Técnicas bacteriológicas AB 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. PB American Society for Microbiology YR 2001 FD 2001-01 LK http://hdl.handle.net/10668/2119 UL http://hdl.handle.net/10668/2119 LA en NO Rosa-Fraile M, Sampedro A, Rodríguez-Granger J, García-Peña ML, Ruiz-Bravo A, Haïdour A. Pigment production by Streptococcus agalactiae in quasi-defined media. Appl Environ Microbiol. 2001; 67(1):473-4 NO Journal Article; Research Support, Non-U.S. Gov't; DS RISalud RD Apr 4, 2025