Practicum 2: Various Gram-Negative Rods

all of these various gram-negative rods are catalase:

positive

all are oxidase positive EXCEPT:

stenotrophomonas maltophilia, acinetobacter baumannii

urease positive:

pseudomonas aeruginosa

urease positive weak:

burkholderia cepacia

urease positive slow:

stenotrophomonas maltophilia

indole positive:

pasteruella multocida

indole variable:

pseudomonas aeruginosa

nitrate reduction positive:

pseudomonas aeruginosa, stenotrophomonas maltophilia, pasteruella multocida

oxidizer:

pseudomonas aeruginosa, burkholderia cepacia, acinetobacter baumannii

fermenter (weak):

pasteruella multocida

unable to use the sugar:

stenotrophomonas maltophilia

beta-hemolytic and metallic sheen on BAP:

pseudomonas aeruginosa

pink MAC plate:

stenotrophomonas maltophilia, acinetobacter baumannii

no growth on MAC plate:

pasteruella multocida

glucose (+)

lactose (-)

maltose (-)

arabinose (-)

pseudomonas aeruginosa

glucose (+)

lactose (+)

maltose (+)

arabinose (+/-)

burkholderia cepacia

glucose (-)

lactose (-)

maltose (-)

arabinose (-)

stenotrophomonas maltophilia

glucose (+)

lactose (+)

maltose (-)

arabinose (+)

acinetobacter baumannii

glucose (+)

lactose (-)

maltose (+/-)

arabinose (+)

pasteruella multocida