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Gram-positive bacteria

Terms in this set (12)

Which gram positive bacteria are non-spore forming?
Listeria monocytogenes
Staphylococcus aureus
Which gram positive bacteria are spore forming
Clostridium Perfringens+botulinum
Bacillus cereus
Listeria monocytogenes feature
Ubiquitous in environ.
common in milk, cheese, ice cream, raw veggies, and RTE
source:soil and decaying vegetation
high mortality (255 deaths)
zero tolerance
Staphylococcus aureus features
MRSA (methicillin resistant SA)
VRSA (vancomycin resistant SA)
found in pimple
Staphylococcal enterotoxin (SE)
resistant to proteolytic enzymes
spore formation
a dormant, tough, and non reproductive structure, and oval shape
Clostridium perfringens
spore forming and heat resistant endospore
freq found in intestinal tracts of humans and animals
source - meat
Clostridium botulinum
spore can remain dormant for 30+ years
human botulism (A,B,E, and F)
infects thru intoxication
deadly to infants
botulinum toxin
botulism is a serious and fatal caused by potent neurotoxin
Bacillus cereus
endospore is heat resistant
found in grains and cereals
Bacillus cereus diarrheal type
toxicoinfection
watery diarrhea, cramps, pain
frim meat, milk, fish, veggies
Bacillus cereus vomiting type
intoxication
nausea, cramp, vomit
associated w/ rice products, starchy foods such as potato or pasta
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