Enterobacter Flashcards
Inhabits soil and water and, to a lesser extent, the large bowels of man and animals
Often confused with Klebsiella in terms of growth in MAC
Enterobacter
Enterobacter
Also share biochemical reactions with Klebsiella spp:
§ Citrate____
§ Grows in____
§ Methyl Red test____
positive
KCN broth
negative
Enterobacter
Growth on EMB – “_____” colonies
fish eye
Enterobacter
Difference Klebsiella spp:
§ Positive for______(Klebsiella are negative)
§ Positive for_____ (Klebsiella are not)
ornithine decarboxylase
motility
Enterobacter
§ Two common isolates from the genus.
§ Isolated from wounds, urine, blood, and CSF
Enterobacter cloacae and Enterobacter aerogenes
– gained notoriety
with a nationwide (U.S) outbreak of septicemia resulting
from contaminated IV fluids
Pantoea (Enterobacter) agglomerans
Pantoea (Enterobacter) agglomerans
§ LOA____
§ Pantoea agglomerans HG XIII – produce a____ pigment, a plant pathogen
negative. A.K.A “triple decarboxylases” negative
yellow
triple decarboxylases” negative
Pantoea (Enterobacter) agglomerans
– found in respiratory samples and is rarely isolated from blood cultures.
Enterobacter gergoviae
– produces a yellow pigment and has been documented as a pathogen in neonates causing meningitis and bacteremia often coming from powdered infant formula.
§ Isolated from cultures taken from brain abscesses, respiratory, and wound infections
Cronobacter (Enterobacter) sakazakii
–isolated from human sources such as blood, wound, and sputum.
Enterobacter hormaechei
– similar biochemically to Enterobacter cloacae and has been isolated
from blood, urine, feces, sputum, and wounds.
Enterobacter asburiae
- formerly Enterobacter taylorae has been associated with osteomyelitis after traumatic wounds
Enterobacter cancerogenus
