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Tag: Gram Positive Cocci

link to Staphylococcus vs. Micrococcus

Staphylococcus vs. Micrococcus

Staphylococcus in Gram Stain Staphylococcus and Micrococcus both are Gram-positive cocci (GPC). Both of these cocci are non-motile, non-sporing, and catalase-positive. Both of these...

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link to Streptococcus Pyogenes (GAS): Characteristics, Diseases, Tests

Streptococcus Pyogenes (GAS): Characteristics, Diseases, Tests

Popularly known as "flesh-eating bacteria", Streptococcus pyogenes is one of the pathogenic gram-positive cocci.  Streptococcus pyogenes, or Group A streptococcus (GAS) is mostly known for...

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link to Staphylococcus vs. Streptococcus

Staphylococcus vs. Streptococcus

Streptococcus spp (S. pyogenes and S. pneumoniae) Staphylococcus and Streptococcus are the two most common pathogenic gram-positive cocci of medical importance. They share some important...

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link to Hippurate Hydrolysis Test: Principle, Procedure, Results

Hippurate Hydrolysis Test: Principle, Procedure, Results

Hippurate hydrolysis test-Left (positive tube), Right (Negative tube) Hippurate hydrolysis occurs in an organism that can form glycine and benzoic acid. In the classical test (48 hours), the...

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link to Lancefield Classification of Streptococci

Lancefield Classification of Streptococci

Streptococci are Gram-positive cocci either diplococci (lanceolate shaped; S. pneumoniae) or in chains. They are catalase-negative (an important test to differentiate streptococci from...

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link to Bile-Esculin test for Enterococcus species

Bile-Esculin test for Enterococcus species

Bile-esculin test is widely used to differentiate Enterococci and non-enterococcus group D streptococci, which are bile tolerant and can hydrolyze esculin to esculetin, from non-group D viridans...

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