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20 Cards in this Set
- Front
- Back
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Salmonella
Does it live in animals? is it normal flora in humans |
Yes,
No |
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Types of salmonella disease and causative sp.
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Gastroenteritis:
s typhimurium s enteritidis Typhoid fever s. typhi s. paratyphi Septicemia: S. Cholerasuis |
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What do salmonella carry more than one type of?
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O antigen
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What do all have?
what do they get into? transmission? |
Adhesion/invasion antigens
epithelial cells and macrophages animals |
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What special food things are salmonella found in?
pets? |
Chicken, eggs
reptiles |
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how common?
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2nd most common behind campylobacter
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Disease incubation?
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incubation: 12-36 hours
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What is an autoimmune disease associated with salmonella?
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Reiters (can't see, pee, or bend the knee)
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Salmonella typhi?
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K antigen=Vi is special antigen only found on s. typhi.
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What makes one more susceptible to s typhi infection?
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hemolytic anemia because dumping iron into blood makes bacteria more able to replicate
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Typhoid fever
initial diarrhea? where multiplies? When does fever begin? |
No initial diarrhea
macrophages to lymph nodes to blood. septicemic phase which happens because of build up; bacteria spreads all over body sub clinically |
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shape of campylobacter, helicobacter, and vibrio?
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curved rods
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vibrio
common where? |
common in surface waters
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most common vibrio seen in Us?
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V vulnificus (comes from oysters and presents with bacteremias)
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v cholerae classical serotype?
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O1 is main classical one
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enterotoxin
where does it come from? what is it like? mechanism? |
bacteriophage
identical to ecoli LT ADP ribosylation that permanenty switches on adenylate cyclase which incs camp and causes increased secretion |
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Where does it colonize?
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small intestine
enterotoxin production No invasion, no fever normally |
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Campylobacter
similar to what? lives in animals? Spirochete? what special oxygen requirement? |
salmonella
yes No microaerophilic |
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Where does camp colonize?
fever? |
Small intestine
do have high persistent fever |
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What disorder associated with Camp?
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Gilluan barre
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