ENTR Flashcards
Characteristics of Enterobacterales
Gram neg BACILLI or COCCOBACILLI, Facultative Anaerobe, Non-Spore former
All are catalase POSITVE except ___
and Cytochrome oxidase NEGATIVE except____
S. dysenteriae Catalase (-)
Plesiomonas shigelloides Oxidase (+)
Serotype that causes infantile diarrhea
Serotype 0111
Serotype that is associated w/ VEROTOXIN PRODUCTION
Serotype 0157
consist of capsular polysaccharides K Antigen
heat labile
Klebsiella, E.coli, Salmonella
protein in nature
Heat LABILE
found only in MOTILE ENTERICS
H Flagellar Antigen
Salmonella colonies growing on BG agar may appear like
Snow flakes
usefull in detection of Serratia
Innoculated on:
Incubated for:
(+):
(-):
Gelation Hydrolysis Test,
Nutrient Gelatin media,
14 days at 35-37 degC,
Gelatin Liquefaction,
Complete solidifcation at 4decC
Rapid Urease Positive
other than PPM
’’ C H U N T””
C. neoformans, H. pylori, Ureaplasma, Nocardia, T. mentagrophytes
rgt in DEAMINSAE TEST
(+) result w/ Pheylalanine agar
(+) result with Tryptophan agar
10% Ferric chloride
GREEN
BROWN
VP (+)
KEESH
Klebsiella, Enterobacter, Ewingella, Serratia, Hafnia
CITRATE (+)
Pro (pero) Sa CHEEKS
Providensia, Serratia, Citrobacter, Hafnia, Enterobacter, Ewingella,Klebsiella, Salmonella enteritidis
MOTILITY TEST
Use of a colorless dye that turns red w/ organisms growth
TTC- triphenyl tetrazolium chloride
use as a source of antigen used in Weil Felix Test
Ricketssial Sero Test
Proteus
*P. vulgaris *source of
OX2, OX 19
P. mirabilis source of
OX K
associated w/ development of RENAL STONES/ STRUVITE
made up of Magnesium Ammonium Phosphate
Proteus
Most frequently isolated may cause pneumonia and septicemia
Mabilis (Mirabilis) nagka pneumonia si sep
P. mirabilis
causes nosocomial UTI
P. vulgaris
Normal Intestinal flora
RESISTANT to Antibiotic Therapy
Providencia
Urease (+) causes UTI
P. rettgeri
Urease Variable causes UTI, Wound infection in Burn Patients
Providencia stuartii
Causes UTI and RTIs
Morganella