Gram negative rods

Haemophilus influenzae

CANNOT grow on BAP

Catalase (+)

Factor X and V required

Haemophilus parainfluenzae

CANNOT grow on BAP

Catalase (+)

Factor X not required

Only Factor V required

Eikenella corrodens

CANNOT grow on BAP

Catalase (-)

Oxidase (+)

Factor X required

Factor V not required

Aggrigatibacter aphrophilus

CANNOT grow on BAP

Catalase (-)

Oxidase (-)

Neither Factor V or X required

Bordetella pertussis

CANNOT grow on BAP

catalase (+)

Neither Factor V or X required

requires bordet-gengou agar

Citrobacter freundii (Enterobacteriaceae)

Catalase positive, Oxidase negative

OF tube: fermenter

Not a lactose fermenter (colorless colonies on MAC)

Sulfur reduction (+)

LIA: K/A

—

KIA: K/A + H2S

Urease (+) weak

Citrate (+)

Motile

Indole (-)

Escherichia coli (Enterobacteriaceae)

Catalase positive, Oxidase negative

Lactose fermentor (pink on MAC)

Indole on SIM (+)

—

BAP: large irregular grey colonies

Urease (-)

Citrate (-)

Klebsiella pneumoniae (Enterobacteriaceae)

Catalase positive, Oxidase negative

OF tube: fermenter

Lactose fermenter (pink on MAC)

Indole on SIM (-)

—

BAP: mucoid

Urease (+)

Citrate (+)

Morganella morganii (Enterobacteriaceae)

Catalase positive, Oxidase negative

Not a lactose fermentor (colorless colonies on MAC)

Sulfur reduction (-)

Urease (+)

—

KIA: K/A

LIA: K/A

citrate (-)

Beta hemolysis

Proteus mirabilis (Enterobacteriaceae)

Catalase positive, Oxidase negative

Not a lactose fermentor (colorless colonies on MAC)

Sulfur reduction (+)

LIA: R/A

—

BAP: swarming

KIA: K/A + H2S

Urease (+)

Motile

Indole (-)

Citrate (+)

Salmonella typhimurium (Enterobacteriaceae)

Catalase positive, Oxidase negative

OF tube: fermenter

Not a lactose fermenter (colorless colonies on MAC)

Sulfur reduction (+)

LIA: K/K

—

KIA: K/A + H2S

Urease (-)

Citrate (+)

Indole (-)

Motile

Shigella sonnei (Enterobacteriaceae)

Catalase positive, Oxidase negative

OF tube: fermenter

Not a lactose fermenter (colorless on MAC)

Urease (-)

Indole (-)

—

KIA and LIA: K/A

Citrate (-)

Yersinia entercolitica (Enterobacteriaceae)

Catalase positive, Oxidase negative

OF tube: fermenter (F)

Not a lactose fermenter (colorless colonies on MAC)

Urease (-)

Indole (+)

—

KIA and LIA: K/A

Citrate (-)

Vibrio cholerae

Catalase +

OF tube: fermenter (F)

Oxidase (+)

TCBS growth (+)

Sucrose fermentation (yellow TCBS) (+)

—

string test (+)

scaly on BAP

beta hemolysis

Vibrio parahaemolyticus

Catalase +

OF tube: fermenter (F)

Oxidase (+)

TCBS growth (+)

Sucrose fermentation (-)

Urease (+)

—

string test (-)

Vibrio vulnificus

Catalase +

OF tube: fermenter (F)

Oxidase (+)

TCBS growth (+)

Sucrose fermentation (-)

Urease (-)

—

string test (+)

Aeromonas hydrophila

Catalase +

OF tube: fermenter (F)

Oxidase (+)

TCBS growth (-)

Mac growth (+)

—

motile

indole (+/-)

Pasteurella multocida

Catalase +

OF tube: WEAK fermenter (F)

Oxidase (+)

TCBS growth (-)

Mac growth (-)

—

citrate (-)

Pseudomonas aeruginosa

BAP: beta hemolysis, metallic sheen

Catalase postive

OF tube: oxidizer

oxidase (+)

Nitrate reduction (+)

—

urease (+)

motile

indole (+ / -)

citrate (+)

Burkholderia cepacia

MAC: red colonies (shows lactose oxidation)

Catalase postive

OF tube: oxidizer

oxidase (+)

Nitrate reduction (-)

—

urease (+) weak

motility (+ / -) weak

indole (-)

citrate (+)

Acinetobacter baumannii

BAP: small, non hemolytic colonies

Catalase postive

OF tube: oxidizer

oxidase (-)

—

MAC plate: light pink colonies

urease (-)

Non motile

indole (-)

nitrate reduction (-)

citrate (+)

Stenotrophomonas maltophila

Catalase +

OF tube: unable to use sugar (+)

—

oxidase (-)

citrate (+) weak

motile (+) weak

Nitrate reduction (+)

urease (+ / -)

Which family of organisms are catalase positive, oxidase negative, and fermenters

Enterobactericiae