Tag: Streptococcus pneumoniae

Bile Solubility Test- Principle, Reagents, Procedure and Result Interpretation 4.89/5 (9)

Bile Solubility Test- Principle, Reagents, Procedure and Result Interpretation

Bile Solubility Test- Principle, Reagents, Procedure and Result Interpretation Bile Solubility Test is the test which differentiate Streptococcus pneumoniae (positive- soluble) from alpha-hemolytic streptococci (negative- insoluble). Streptococcus pneumoniae is bile soluble whereas all other alpha-hemolytic streptococci are bile resistant. Principle of Bile Solubility Test S. pneumoniae has an autolytic enzyme which can be demonstrated by […]

Optochin Susceptibility Test for the identification of Streptococcus pneumoniae 4.87/5 (15)

Result Interpretaion of Optochin Susceptibility Test

Optochin Susceptibility Test for the identification of Streptococcus pneumoniae Differentiation of Streptococcus pneumoniae from other viridans streptococci depends on demonstrating optochin susceptibility, bile solubility, reaction with a specific DNA probe, or detection of species-specific capsular polysaccharides. Most clinical microbiology laboratories today depend on the optochin susceptibility test. Although optochin susceptibility was first described for differentiating […]

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