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enterococcus is bile esculin
positive
in enterococcus, there’s no potent
toxin or virulence factor
enterococcus can’t avoid ____ and killing by ___
phagocytosis, phagocytes
surface proteins allow for ____. enterococcus can also make
adherence, biofilms
enterococcus has lots of
antibiotic resistance
four really common diseases of enterococcus
UTI, endocarditis, peritonitis, skin infections (post-operative wound infections)
in enterococcus, _____ testing is crucial for antibiotics
suscpetibility
enterococcos colonize the ___ tract
urinary
peritonitis from enterococcus is caused by
trama/leakage leading to abdominal swelling and tenderness
the endocarditis from enterococcus is from
bacteremia
two relevant enterococcus species that are in the large intestine (which has more)
E. faecalis »»» E. faecium
listeria can grow in ____ temps
cold, 4C
who does listeria primarily infect
neonates, elderly, pregnant people, and immunocompromised people
L. monocytogenes is an ____ pathogen, survives in proteolytic enzymes, ____ acid, and ___ salts
intracellular, stomach, bile
Listeria has ____ to host cells
adherence
stomach acid activates which two enzymes in listeria monocytogenes
listeriolysin O and phospholipase C enzyme
listeria moves from cell to cell with ___ rockets
actin
Granulamtosis infantiseptica
severe early onset of listeria (neonates)
most listeria infections in pregnant people are during ___ trimester
third
pregnant people usually have ______ syptoms of listeria
nonspecific flu like symptoms
people susceptible to listeria cannot eat
raw/partially cooked
foods, soft cheeses, or unwashed raw vegetables
bascillus species can be any type of ____ stain or ___
gram, morphology
bascillus can form
spores
bascillus anthrasis is gram ____ ___
posoitive bacilli
bacillus have a capsule of
poly-d-glutamic acid
virulent bacillus anthrasis carries three toxin protein components on a plasmid
protective antigen PA, edema factor EF, lethal factor LF
PA + EF =
edema toxin
PA + LF =
lethal toxin
PA binds to ______ cells and gets cleaved. EF and LF go through _____ to get in
host, endocytosis
bascillus EF increases___ levels to cause edema
cAMP
lethal factor is a ___ dependent protease that cleaves ___ kinase and leads to cell death
zinc, MAP
how does zinc dependent protease activity lead to cell death
stimulates macrophages to release pro inflammatory cytokines
B. anthracis has a _____ capsule
polypeptide
cutaneous anthrax is when ____ enter through exposed skin from ___ or ___
spores, soil, animal prodicts
gastrointestinal anthrax has a ___ mortality rate, adn _ tract infectoins
99%, upper lower
inhaled anthrax becomes active when spores reach
lower airways
first stage of inhaled anthrax is ____, then second sign has bad fever, ____ lymph nodes, respiratory ___, and sepsis
nonspecific, massive enlargement, failure
low co2 growth can cause exposure of
spores
bascillus cereus is an ___ pathogen that is found ___
opportunistic, everywehre
B. cereus is heat , heat _,
stable, labile
b. cereus gastrointeritis two forms
vomiting or diahrreal
b. cereus can cause eye infections through which toxins
necrotic toxin, cereolysin, and phospholipase C
B.cereus can come from contaminated
foods
B. cereus inhalation anthrax can cause
enlargment of lymph nodes
heat stable enterotoxin for b. cereus causes
emetic form of disease (rice)
heat lable enterotoxin b. cereus causes
diahrrea
emetic disease from b. cereus is made up of _____, has a ____ incubation period, less than 24 hrs
spores, short
b. cereus diarrheal disease is for ______ hours, from meat and veggies
over 24
bacillus ocular infections can happen through ____ contamination
soil
bacillus endocarditis is most common in
drug users