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10 Cards in this Set
- Front
- Back
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Shared characteristics of Neisseria gonorrhoeae & N. meningitidis
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Gram - diplococci, kidney shaped
pili for attachment to epithelia aerobic but require increased CO2 for growth optimal growth @ 35-37C in moist environment nonmotile/nonsporeforming FASTIDIOUS (sensitive to dessication) |
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General unique characteristics of N. gonorrhoeae
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Isolated from urethra, cervix, rectum, pharynx
occas. isolated from CSF, joints, skin sexual transmission localized inflammation rarely lethal VERY FASTIDIOUS non-encapsulated |
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General unique characteristics of N. meningitidis
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Isolated fom CSF, blood
Normal nasopharyngeal flora transmission by respiratory secretions/air droplets systemic infection life threatening less fastidious - will grow on SBA ENCAPSULATED |
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diseases manifested by N. gonorrhoeae
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Gonorrhea - endocervix in females, urethra in males
Pharyngitis Arthritis PID - untreated sequelae |
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appropriate growth media for N. gonorrhoeae
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Remember N. gonorrhoeae is FASTIDIOUS
Chocolate agar Modified Thayer Martin MTM - (Vancomycin, Colistin, Nystatin, Trimethoprim) Incubate in 3-5% CO2 @ 35C |
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appropriate growth media for N. meningitidis
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SBA
Chocolate agar Incubate in 3-5% CO2 @ 35C |
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Biochemical identifucation of N. Gonorrhoeae
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Catalase +
Oxidase + Carbohydrate Utilization Test using Cysteine Tryptic Agar Glucose + / Maltose - Lactose - / Sucrose - |
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Biochemical identification of N. meningitidis
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Catalase +
Oxidase + Carbohydrate Utilization Test using Cysteine Tryptic Agar Glucose + / Maltose + Lactose - / Sucrose - (only dif between N. gono is Maltose is +) |
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Characteristics of Moraxella (Branhamella) catarrhalis
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Gram - cocci
Normal flora of Upper resp. tract not as fastidious as Neisseria species |
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Diseases manifested by M. catarrhalis
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Otitis media
sinusitis pneumonia & bronchitis in immunocompromised & elderly |
