Identification scheme for G+ bacteria Flashcards
Cocci, Aerobic, Catalase-
Streptococcus
Cocci, Aerobic, Catalase-, bile soluble or optochin sensitive
S. pneumoniae
Cocci, Aerobic, Catalase-, not bile soluble nor optochin sensitive
Streptococcus group D
Cocci, Aerobic, Catalase-, not bile/optochin sensitive, bile esculin sensitive, but is hemolysis (alpha)
Viridans groups
Cocci, Aerobic, Catalase-, not bile/optochin sensitive, bile esculin sensitive, but is hemolysis (beta) and bacitracin sensitive
Group A Strep
Cocci, Aerobic, Catalase-, not bile/optochin sensitive, bile esculin sensitive, but is hemolysis (beta), not bacitracin sensitive and hydrolyzes Hippurate/cAMP
Group B Strep
Cocci, Aerobic, Catalase-, not bile/optochin sensitive, bile esculin sensitive, but is hemolysis (beta), not bacitracin sensitive and doesn’t hydrolyzes Hippurate/cAMP
Other Lancefield groups (strep)
Cocci, Aerobic, Catalase-, not bile/optochin sensitive, but bile esculin sensitive and contains 6.5% NaCl
Enterococcus
Cocci, Aerobic, Catalase-, not bile/optochin sensitive, but bile esculin sensitive and doesnt contains 6.5% NaCl
Nonenterococcus
Cocci, Aerobic, Catalase+, Doesn’t ferment glucose
Micrococcus
Cocci, Aerobic, Catalase+, ferments glucose
Staphylococcus
Cocci, Aerobic, Catalase+, ferments glucose and coagulase+
S. aureus
Cocci, Aerobic, Catalase+, ferments glucose and coagulase- and novobiocin resistant
S. saprophyticus
Cocci, Aerobic, Catalase+, ferments glucose and coagulase- and not novobiocin resistant
other coagulase negative species
Bacilli, not acid-fast, forms endospores, and aerobic
Bacillus
Bacilli, not acid-fast, forms endospores, and anaerobic
Clostridium
Bacilli, not acid-fast, doesn’t form endospores, is motile
Listeria monocytogenes
Bacilli, not acid-fast, doesn’t form endospores, is not motile, aerobic
Corynebacterium Kurthia
Bacilli, not acid-fast, doesn’t form endospores, is not motile, aerobic, but catalase positive
Corynebacterium
Bacilli, not acid-fast, doesn’t form endospores, is not motile, aerobic, but catalase negative
Eryspielothrix
Gardnerella
Bacilli, not acid-fast, doesn’t form endospores, is not motile, anaerobic
Propionibacterium
Bacilli, acid fast
Mycobacterium
Nocardia