GNR Flashcards
What genera are lac pos
CEEKS:
Citrobacter
Enterobacter
Escherichia
Klebsiella
Serratia
What genera are lac neg
EMPPSSY:
Edwardsiella
Morganella
Proteus
Providencia
Yersinia
What are the characteristics for lac pos
facultative anaerobes
non fastidious
most normal fecal flora
ubiqutious in nature
reduced nitrates to nitrites
oxidase neg
all ferment glucose
G- rods pleomorphic
large grey mucoid colonies
differentiates into lac pos or neg
what species are in Escherichia
E coli O157H7
what species are in Enterobacter
3 AAC
aerogenes
cloaecae
agglomerans
what species are in Citrobacter
3 FAK
freundii
koseri
amalonaticus
what secies are in Klebsiella
2 OP
pnemoniae
oxytoca
what species are serratia
2 ML
Marcescens
liquefaciens
what would a tests for Escherichia look like
Indole- pos
Citrate- neg
Motility- pos
what would a tests for Enterobacter look like
Morph:moderate mucoid
MAC:lac pos
Indole: neg
Ornithine: pos
Citrate: pos
Motility: pos
what would a tests for Citrobacter look like
Morph:
MAC: lac pos/ delayed
C. fruendii: I-, H2S+, O-
C. koseri: I+, H2S-, O+
Indole:
Ornithine:
Citrate:
what would a tests for Klebsiella look like
Morph:very mucoid
MAC:
Indole:
-Pneumoniae:neg
-Oxytoca: pos
Ornithine:neg
Citrate:pos
Motility: neg
what would tests for Serratia look like
MAC:delayed lac pos
Indole:neg
Ornithine:pos
Citrate:pos
DNase: pos
what would tests for E coli O157H7 look like on stool sample
SMAC:-
MUG:-
LAT:+
Chromagar: mauve
What are the types of pathogenic e coli
ETEC
EAEC
EPEC
EIEC
EHEC/ STEC