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Neisseria and Haemophilus spp. Danielle Davis - Coggle Diagram
Neisseria and Haemophilus spp. Danielle Davis
Catalase Test
Positive: N. gonorrhea, N. lactamica, N. meningitidis, and M. catarhallis are all positive. H. influenzae, H. parahaemolyticus, and H. paraphroheamolyticus
Negative: H. aprophilus
H. parainfluenzae is variable
Cytochrome Oxidase Test
Positive: N. gonorrhea, N. meningitidis, N. lactamica, H. influenzae, H. haemolyticus, H. parainfluenzae, H. parahaemolyticus
H. aprophilus is variable
Negative: M. catarhallis
Superoxol Test:
Positive: N. Gonorrhea
Negative: M. catarrhalis, N.lactamica, and M.catarhallis
CTA Sugars
Sucrose:
N. gonorrhea, N.lactamica, N. meningitidis, H. influenzae, H. haemolyticus and M.catarhallis are all negative for sucrose
Positive: H. parainfluenzae, H.parahaemolyticus, and H. apropilus, and H. paraphrophilus
Maltose:
Positive: N. lactamica and N. meningitidis, H. parainfluenzae, H.parahaemolyticus, H. paraphrohaemolyticus, H. aphrophilus
Negative: M. catarhallis and N. gonorrhea, H. influenzae, H.haemolyticus
Dextrose:
Positive: N. gonorrhea, N.meningitidis, N. lactamica, H. influenzae, H. paraheamolyticus, H. aprophilus, H.paraphrohheamolyticus, H. parainfluenzae, H. haemolyticus
Negative: M.catarhallis
Lactose:
Positive: N. lactamica, H. aprophilus
Negative: N. gonorrhea, N.menigitidis, M.catarhallis, H. influenzae, H. haemolyticus, H. parainfluenzae, H. parahaemolyticus, H. paraphrophilus
Staph Streak
Quad plate
Factor X and V positive: H. influenzae, H. haemolyticus
Factor X negative/Fcator V positive
Gram Stain- gram negative coccobacilli,
Gram negative diplococci-M. catarhallis
SBA:
N. gonorrhea-small, greyish white, translucent, raised, with edge emulsified, smaller than N.menigitidis
N. meningitidis: bluish gray or tan, serogroup A and C may be mucoid , translucent, and convex with smooth glistening surface, may be greenish cast around colonies,
N. lactamica: small grayish white translucent slightly butyrous, resembles N. meningitidis
M.catarhallis: smooth opaque gray white colonies, hockey puck resemblance
