Nisseria Flashcards
(15 cards)
What is the type of this bacteria
GNB
What is the shape of it
Diplococci/ individual cocci are kidney shaped
What are the features of Neisseria?
Double Kokai, shave it individual Kokai are kidney, shaped nonmortal nonhaemolytic. I’m not pigmented, colonies, opaque or transparent
What are the two pathogenic species of the nisseria for human?
Neisseria gonorrhoeae (gonococci)
Niesseria meningitidid(meningococci)
What GC can do
Causative agent of gonorrhea
Neonatal conjunctivitis and pelvic inflammatory disease
What MC can do
Causative agent of meningitis and meningococcemia
What are the features of Neisseria and meningitis
Gram-negative kidney shaped, diplococci, oxidise positive
Where is can be store
Human nasopharynx 5 to 10 in percentage carrier carrier?
How it can be transmitted
Through respiratory droplets or oropharyngeal colonization, colonisation spreads to meningitis by bloodstream
How it can be detected
Immunoelectrophoresis in CSF
What the types of agar it can grow on
Chocolate agarin 5% co2 atmosphere
Where it can be ferments
In malatose in contrast to gonococci
How it can be diagnosed
Pcr
CSF
Latex agglutination
What is the treatment of meningococci
Ampicilin and cefatoxime in nenonates and infants
Cefataxime or ceftriaxone with or without vancomycin(children and adults)
What are the virulence factors of mn
Polysaccharide capsule
Endotoxin (lipooligosaccharide)
Pili and outer membrane proteins