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2009•Journal of Clinical MicrobiologyOpen access

Evaluation of Three Commercial Broth Media for Pigment Detection and Identification of a Group B Streptococcus ( Streptococcus agalactiae )

Maria da Glória Carvalho, Richard R. Facklam, Delois Jackson, Bernard Beall, Lesley McGee

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Abstract

Detection of group B Streptococcus (GBS) strains at various bacterial concentrations was evaluated using three pigment-producing broth media. At 10(3) CFU/ml, StrepB carrot broth (SBCB), Granada instant liquid biphasic (IGLB), and Northeast Laboratory GBS screening medium (NEL-GBS) showed 100% detection, but at the lower bacterial counts, SBCB and IGLB were more sensitive than NEL-GBS after 24 h.

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What this paper is about

Detection of group B Streptococcus (GBS) strains at various bacterial concentrations was evaluated using three pigment-producing broth media. At 10(3) CFU/ml, StrepB carrot broth (SBCB), Granada instant liquid biphasic (IGLB), and Northeast Laboratory GBS screening medium (NEL-GBS) showed 100% detection, but at the lower bacterial counts, SBCB and IGLB were more sensitive than NEL-GBS after 24 h.

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Available abstract

Detection of group B Streptococcus (GBS) strains at various bacterial concentrations was evaluated using three pigment-producing broth media. At 10(3) CFU/ml, StrepB carrot broth (SBCB), Granada instant liquid biphasic (IGLB), and Northeast Laboratory GBS screening medium (NEL-GBS) showed 100% detection, but at the lower bacterial counts, SBCB and IGLB were more sensitive than NEL-GBS after 24 h.

Key concepts: Streptococcus agalactiae, Streptococcus, Microbiology, Group B, Streptococcaceae, Identification (biology), Streptococcus pneumoniae, Biology

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