PSEUDOMONAS & FRIENDS Flashcards
what shape are most non fermenting bacteria
gram neg rods
what non fermenting bacteria is coccobacillius
moraxella
what kind of respiration do most non fermenting bacteria do
obligate aerobes
what are the cat and oxi results of non fermenting bacteria
cat pos and oxi neg
what shape and arrangement is pseudomonas aeruginosa
gram neg rods; pairs
what sugar can pseudomonas aeruginosa oxidize
glucose
T or F pseudomonas aeruginosa is fastidious
F
what is the mucoid polysaccharide capsule of pseudomonas aeruginosa made out of
alginate
when does a pseudomonas aeruginosa have a capsule
during a lung infection
t or f: pseudomonas aeruginosa is an opportunistic pathogen
T
how does pseudomonas aeruginosa move around
flagella and pili
what is the endotoxin of pseudomonas aeruginosa
LPS
what pseudomonas aeruginosa toxin causes dermatonecrosis, corneal damage, and tissue damage
exotoxin A
what pseudomonas aeruginosa toxin produces H2O2 and attracts neutrophils
pyocyanin
what pseudomonas aeruginosa toxin scavenges iron, regulate other virulent factors
pyocerdin
what pseudomonas aeruginosa enzyme destroys elastin
elastases Las A and las B
what pseudomonas aeruginosa enzyme cause lung damage and hemorrhagic skin lesions
elastases las A and las B
what ab are looked for when a pt has a pseudomonas aeruginosa infection
lasA and las B
what pseudomonas aeruginosa enzyme causes tissue destruction
alkaline protases
what pseudomonas aeruginosa enzyme breaks down lipids
phospholipase C
what does T3SS (pseudomonas aeruginosa) pump into cells
exoenzymes S and T
what pseudomonas aeruginosa enzyme rearrange actin
exoenzymes S and T
what bacteria is naturally antibiotic resistant
pseudomonas aeruginosa
what kind of resistance are cells naturally able to withstand exposure to concentration of antibiotic that inhibit other bacteria
intrinsic resistance
what kind of resistance is developed in the presence other bacteria or upon exposure to antibiotics
acquired resistance
what kind of resistance is environment stimulated but not necessarily genetic
adaptive resistance
biofilm formation is an example of what kind of resistance
adaptive
where do you find pseudomonas aeruginosa
moist environment (ubiquitous)
where do you find pseudomonas aeruginosa in a hospital
mechanical ventilation equipment and dialysis equipment
hospitalized pt are often ______ and _______ colonized with pseudomonas aeruginosa
transiently ; asymptomatically
is pseudomonas aeruginosa part of the normal microbiome
no
how do you treat a pseudomonas aeruginosa infection
broad spectrum antibiotic
who is most at risk of a pseudomonas aeruginosa infection
neutropenic or immunocompromised pt
what kind of pulmonary infections does pseudomonas aeruginosa cause
tracheobronchitis to necrotizing bronchopneumonia
if a CF or neutropenia pt gets a pseudomonas aeruginosa lung infection what can it lead to
invasive pulmonary disease
which are more resistance to antibiotics mucoid or non mucoid strains of pseudomonas aeruginosa
mucoid
if pseudomonas aeruginosa cause micro abscess formation what kind of disease is that
invasive
what kind of skin infections can pseudomonas aeruginosa cause
primary and soft tissue infections
if someone goes into water with pseudomonas aeruginosa what kind of disease
folliculitis
name? fingernail infection of pseudomonas aeruginosa
folliculitis
what bacteria causes swimmer’s ear
pseudomonas aeruginosa
what occurs in an eye infection of pseudomonas aeruginosa
corneal ulcers
who gets pseudomonas aeruginosa bacreremia
immunocomp
what is ecthyma ganrenosum
hemorrhagic skin lession
can pseudomonas aeruginosa causes endocarditis
yes but rare
what are the key ID characteristics of pseudomonas aeruginosa
oily sheen, green pigment and grape like odor
what kind of pathogen is burkolderia cepacia
opportunistic
what burkolderia causes lung infection with CF or CGD
b. cepacia complex or b. gladioli
what kind of burkolderia causes UTIs and septicemia
burkolderia cepacia
which burkolderia is a saprophyte
burkolderia pseudomallei
what bacteria is known for it cornflower head colony appearance
burkolderia pseudomallei
what kind of pathogen is burkolderia pseudomallei
Opportunistic
how does someone get inoculated with burkolderia pseudomallei
inflation or percutaneous
who is most susceptible to a burkolderia pseudomallei infection (3)
alcoholics, diabetics, and chronic real or lung disease
what do you call a burkholderia pseudomallei infection
meliodosis
why is burkolderia pseudomallei a good biological weapon
high infectivity
what antibiotic is burkolderia pseudomallei susceptible to
TMP-SXT
who is most susceptible to stenotrophomonas maltophilia
immunocompromised
what kind of antibiotics is stenotrophomonas maltophilia resistant to (2)
b lactase and aminoglycoside
what are the most common stenotrophomonas maltophilia nosocomial infections
bacteremia and pneumonia
what kind of respiration does acinetobacter do
aerobic
what shape is acinetobacter
coccobacilli
where do acinetobacter live
ubiquitous saprophyte
what kind of surfaces do acinetobacter like
moist and dry
what gram neg bacteria is found on human skin
acinetobacter
what are the 2 groups acinetobacter
glucose Gozidzing and non glucose oxidizing
does acintobacter baumanii oxidase glucose
yes
what kind of acinetobacter infection are resistant to antibiotics
nosocomial and pulmonary
what acinetobacter causes sever infections in military personnel
acinetobacter baumannii
what pulmonary diseases does moraxella cause
bronchitis and bronchopneumonia
in health people what does moraxella cause
sinusitis and otitis
what kind of antibiotic is mortadella most resistant to
penicillin
