Identification of a Peptide from Mammal Albumins Responsible for Enhanced Pigment Production by Group B Streptococci

Author:

Rosa-Fraile Manuel1,Sampedro Antonio1,Varela Javier2,Garcia-Peña Marisa1,Gimenez-Gallego Guillermo2

Affiliation:

1. Microbiology Service, Virgen de las Nieves Hospital, 18014 Granada,1 and

2. Centro de Investigaciones Biologicas, Consejo Superior de Investigaciones Cientificas, 28006 Madrid,2Spain

Abstract

ABSTRACT The peptide from peptones responsible for enhanced pigment production by Streptococcus agalactiae in culture media has been isolated from a peptic digest of human albumin and has been identified as Ile-Ala-Arg-Arg-His-Pro-Tyr-Phe. The related heptapeptide lacking the N-terminal Ile also had pigment-enhancing activity. A sequence similarity search showed that these sequences are present only in mammal albumins.

Publisher

American Society for Microbiology

Subject

Microbiology (medical),Clinical Biochemistry,Immunology,Immunology and Allergy

Reference23 articles.

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3. Granada medium for detection and identification of group B streptococci

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5. The rapid recognition of Lancefield group B haemolytic streptococci.;Fallon R. J.;J. Clin. Pathol.,1974

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