COCI GRAM NEGATIVI

GENUL NEISSERIA

GENUL NEISSERIA :

cuprinde

coci Gram negativi,

asezati in diplo,

forma de boaba de cafea,

imobili

oxidazo pozitivi

Genul Neisseria col. Gram

2 specii prezinta importanta

pentru patologia umana:

N. meningitidis (meningococul) si

N. gonorrhoeae (gonococul),

Restul neisseriilor sunt specii

comensale in oro si rinofaringe,

intr -un numar mai redus la nivelul

tegumentelor si mucoaselor si

ocazional pot produce infectii

oportuniste .

Neisserii comensale

Neisseria bacilliformis

Neisseria cinerea

Neisseria elongata

Neisseria flavescens

Neisseria lactamica

Neisseria macacae

Neisseria mucosa

Neisseria polysaccharea

Neisseria sicca

Neisseria subflava

http://en.wikipedia.org/w/index.php?title=Neisseria_bacilliformis&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Neisseria_cinerea&action=edit&redlink=1http://en.wikipedia.org/wiki/Neisseria_elongatahttp://en.wikipedia.org/w/index.php?title=Neisseria_flavescens&action=edit&redlink=1http://en.wikipedia.org/wiki/Neisseria_lactamicahttp://en.wikipedia.org/w/index.php?title=Neisseria_macacae&action=edit&redlink=1http://en.wikipedia.org/wiki/Neisseria_mucosahttp://en.wikipedia.org/w/index.php?title=Neisseria_polysaccharea&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Neisseria_sicca&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Neisseria_subflava&action=edit&redlink=1

NEISSERIA GONORRHOEAE

Epidemiologie

Gonococii, la fel ca si meningococii, produc

infectii specific umane

Cauzeaza gonoreea

Cu toate ca nu fac parte din flora normala,

pot cauza infectii asimptomatice, mai ales la

femei