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16 Cards in this Set
- Front
- Back
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How is helicobacter distinguished from campylobacter?
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Helico has strong urease + test
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What bacteria is the MOST GENETICALLY DIVERSE
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helicobacter
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Describe the cholera toxin
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The B binds gangliosides on enterocytes
A inactivates GTPase, so AC is always on, much cAMP, los of ion channels, loss of H2O and ions |
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What blood type is most susceptible to cholera toxin?
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O>>b>A>AB
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What bacteria causes ulcers?
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Helicobacter pylori
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Helicobacter pylori has 3 VFs
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penetration: flagella/adhesins/cytotoxins
Mucinase - degrades mucosa Urease - raises the pH |
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Vibrio parahaemophilus is seen where?
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in wound infections, causes dia/cramps - seafood born gastroenteritis
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What bacteria has siderphores? what do they do?
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Take IRON from hemoglobinm in v. vunificus
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What are some VFs of v vunificus?
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antiphag capsule, LPS endotoxic shock, mucinase/protease/collagenase, and the siderphoers
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What does treponema pallidum cause?
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Syphillis
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What is unique about the outer membrane of treponema
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it has NO proteins, but coats itself with host proteins
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What is the classic sign of primary syphillis
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hard chancre
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What is the classic sign of secondary syphillis
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infectuous/long term lesions
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What is the classic sign of latent syphillis
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early - infectuous lesions
late - gummas/saber shin/neuro symptoms and NON infectuous |
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What is the classic sign of congential syphillis
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trans-placenta
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How are borrelia detected?
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ELiSA to detect the Abs
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