G- NEISSERIACEAE Flashcards
general characteristics of Neisseria spp (6)
gram - diplococci kidney beans shape cytochrome oxidase + catalase + capnophilic obligate aerobes
pathogenic Neisseria primary media
CAP
X factor
pathogenic Neisseria
N. gonorrhoeae
N. meningitidis
protein 1
N. meningitidis
porA
porB
protein 1
N. gonorrhoeae
porB
gonorrhea clinical manifestation in men:
acute urethritis
purulent discharge
compli: prostatitis, epididymitis
gonorrhea clinical manifestation in women:
acute urethritis
cervicitis
compli: pelvic inflammatory disease, ectopic pregnancy
gonorrhea clinical manifestation in newborns:
opthalmia neonatorum
used to prevent opthalmia neonatorum
1% silver nitrate
most common type of invasive disease
meningitis
N. meningitidis has reached the blood
meningococcemia
recommended swabs for N. gonorrhoeae recovery (3)
dacron swabs
rayon swabs
cotton swabs w/ charcoal
T or F. direct plating to gonococcal-selective media is a must.
true
transport systems used for N. gonorrhoeae isolation: (3)
JEMBEC
Gono-Pak
amies medium
selective medium for N. gonorrhoeae
thayer martin + vancomycin + colistin + nystatin
N. gonorrhoeae and N. meningitidis cytochrome oxidase test
+ (purple)
N. gonorrhoeae CHO utilization test:
only glucose
N. meningitidis CHO utilization test:
glucose and maltose
M. catarrhalis and N. flavescens CHO utilization test:
NOTA
superoxol test reagent and results
rgt: 30% hydrogen peroxide
+ (bubbles) = N. gonorrhoeae
M. catarrhalis colony
hockey-puck colonies
virulence factor of N. gonorrhoeae
lipo-oligosaccharide
