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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Small to medium; opaque, convex; nonhemolytic; wide variety of pigments ( white, tan, yellow, orange, pink); catalase positive; coagulase negative; oxidative
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Micrococcus ssp.
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Usually only aerobic- pairs, tetrads, and clusters
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Round, smooth, convex, glistening, opaque, entire edge, butyrous; Catalase-positive, fermentative, salt-tolerant
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Staphylococcus spp.
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Facultative anaerobe, usually in clusters
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Small to medium; translucent, gray-white colonies; most colonies hemolytic; slime-producing strains are extremely sticky and adhere to agar surface; coagulase-negative; grows on mannitol but doesn't ferment, positive growth on CNA, non-hemolytic on BAP
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Staphylococcus epidermidis
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Facultative anaerobe, usually in clusters
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Medium; smooth, butyrous and opaque; beta-hemolytic
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Staphylococcus haemolyticus
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Facultative anaerobe, usually in clusters
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Medium to large; smooth, butyrous and opaque; may be unpigmented or cream-yellow-orange
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Staphylococcus hominis
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Facultative anaerobe, usually in clusters
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Medium to large; smooth, glossy, entire edge with slightly domed center; unpigmented or cream to yellow-orange
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Staphylococcus lugdunensis
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Facultative anaerobe, usually in clusters
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Large; entire, very glossy, smooth, opaque, butryous, convex; usually white but colonies can be yellow or orange; non-hemolytic on BAP, coagulase-negative, DNase-negative
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Staphylococcus saprohyticus
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Facultative anaerobe, usually in clusters
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Large; slightly convex, entire, smooth, glossy, opaque; usually nonpigmented
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Staphylococcus intermedius
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Facultative anaerobe, usually in clusters
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Medium to large; smooth, entire, slightly raised, translucent; most colonies pigmented cramy yellow; most colonies beta-hemolytic; Coagulase-positive; ferments mannitol; DNase positive, beta-lactamase-positive
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Staphylococcus aureus
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Facultative anaerobe, usually in clusters
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Grayish-white, transparent to translucent, matte or glosssy; large zone of beta-hemolysis. Catalase-negative, wide zone, PYR-positive
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Group A beta-hemolytic Streptococci
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Facultative anaerobes, require enriched media, in chains
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Larger than group A, translucent to opaque; flat, glossy; narrow zone of beta hemolysis; some strains non-hemolytic, bull's eye colonies, wide zone; Sodium hippurate and CAMP-positive
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Group B beta hemolytic Streptococci; Strep agalactiae
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Facultative anaerobe, in chains
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Grayish-white, glistening; wide zone of beta hemolysis
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Group C beta hemolytic Streptococci
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Facultative anaerobes, in chains
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Round, taranslucent, glistening, dome-shaped when young. Central depression with age. Encapsulated. Bile solubility positive. Strains are mucoid. Alpha-hemolytic
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Streptococcus pneumoniae
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Facultative anaerobe, Lancet-shaped, usually in pairs, but may be single or in short chains
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Usually alpha hemolytic, but can be nonhemolytic
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Veridans Streptococci
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Facultative anaerobe, in chains
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Usually nonhemolytic. May be alpha or beta hemolytic. PYR- positive. NaCl broth
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Entercoccus ssp.
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Facultative anaerobe, In chains
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