GRAM POSITIVE COCCUS Flashcards
Differentiates members of family
Micrococcaceae/Staphylococcus from Streptococcus
CATALASE PEROXIDASE
Catalase Peroxidase PRINCIPLE : H20 + 02 : POSITIVE
bubbles or effervescent
Micrococcaceae and Staphylococci differentiation
Oxidative/ Fermentative : Glucose degradation
oxidative or inert (asaccharolytic)
Micrococci
Fermentative
Staphylococci
A positive carbohydrate utilization test is indicated by the development of a_____ color in the medium.
yellow
Development of a yellow coloration in the open tube only.
Oxidative
Development of a yellow coloration in both open and closed tubes.
Fermentative
A negative carbohydrate utilization test is indicated by the absence of a____ color media remains green or turns
_____.
yellow, blue
positive in catalase test
Staphylococcus and micrococci
Aerotolerant: Facultative anaerobe
Staphylococcus
catalase and modified oxidase positive
Micrococcus
Bacitracin resistant 0.04 u
Staphylococcus
Furazolidone and Lysostaphin Resistant
Micrococcus
Positive (+) cocci, spherical cells
GENUS STAPHYLOCOCCUS
“staphyle” meaning
bunch of grapes; arranged in clusters; but are also seen as single coccus, pairs, tetrads and chains.
Grow best in aerobic conditions but behave as facultative anaerobes
Catalase POSITIVE (+): Staphylococcus