Biological features of Pseudomonas aeruginosa - shape - arrangement - gram stain - motility (motile) - form of respiration

shape: arrangement: Respiration: Gram stain: (-) - zootonic - single polar flagellum - aerobic - does not ferment lactose - produces pigment - highly versatile - opportunistic-cannot cross barriers - free-living - oxidase (+) - Catalase (+)

Ch 20 Flashcards by Nadia Ruiz

Biological features of Pseudomonas aeruginosa

shape
arrangement
gram stain
motility (motile)
form of respiration

shape:
arrangement:
Respiration:
Gram stain: (-)

zootonic
single polar flagellum
aerobic
does not ferment lactose
produces pigment
highly versatile
opportunistic-cannot cross barriers
free-living
oxidase (+)
Catalase (+)

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Diseases of Pseudomonas aeruginosa

Cystic fibrosis
Endotoxic shock
Endocarditis
Bronchopneumonia
meningitis

(Cystic fibrosis)
(Endotoxic shock)
(Endocarditis)
(Bronchopneumonia)
(meningitis)

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Mechanim of Disease for Pseudomonas aeruginosa

-virulence factors

(Virulence)
>Pili
>Phagocytosis
>Enzymes
>Exotoxins
-LPS
>Slime Layers

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Transmission of Pseudomonas aeruginosa

Method
Habitat
Audience
Resevoir

(Method)

-invasive medical procedures
(Habitat)
-soil and water
-intestinal resident
(Audience)
-immunosupressed patients
-people with Catheters
(Resevoir)

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Prevention & Treatment Pseudomonas aeruginosa

(Treatment)
-monolocal antibiotics

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Biological features of Bordetella pertussius

shape
arrangement
gram stain
motility (motile)
form of respiration

shape:
arrangement:
Respiration:
Gram stain: (-)
-aerobic
-oxidase (+)

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Diseases of Bordetella pertussius

Cystic fibrosis
Endotoxic shock
Endocarditis
Bronchopneumonia
meningitis

(Pertussis)

```
>Phases
-
-
-
acute respiratory syndrome
~~~

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Mechanim of Disease for Bordetella pertussius

-virulence factors

(Virulence)
>Adhesion molecules
>Toxins
-LPS
-Pertussis toxin

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Transmission of Bordetella pertussius

Method
Habitat
Audience
Resevoir

(Method)
-direct contact
-inhaled droplets
-aerosols
(Habitat)

(Audience)
-humans and higher primates
(Resevoir)

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Prevention & Treatment Bordetella pertussius

>Vaccine!!

(Prevention)
-Vaccine . (DTaP)
(Treatment)
-

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Biological features of Escherichia coli

shape
arrangement
gram stain
motility (motile)
form of respiration

shape:
arrangement:
Respiration:
Gram stain: (-)
-glucose fermentation
-nitrate reduction
-oxidase (-)
-faculatative anaerobe
-not fastidious
-opportunistic(drug resistance)

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Diseases of Escherichia coli

Food Intoxication
Hemolytic uremic Syndrome

(Food Intoxication)
-intestinal hemorrhage
-diarrhea
(Hemolytic uremic) Syndrome
-caused by shiga toxin on blood and kidney
-hemolysis &amp; kidney failure

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Mechanim of Disease for Escherichia coli

-virulence factors

(Virulence)
>Capsule
>Endotoxin(LPS)
ENTEROTOXIGENIC
>fimbrae
>heat-liable entxotoxin
ENTEROHEMORRHAGE
>Shiga toxin
-causes hemorrhage colitis
-destory vascular tissue
-changes shape of RBC >cause necrosis
ENTEROINVASIVE
>invasion &amp;viceration of mucosa&amp; large intestine
-cause inflamatory disease
ENTEROPATHOGENIC
>pathogenisis not well unterstood

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Transmission of Escherichia coli

Method
Habitat
Audience
Resevoir

(Method)
(Habitat)
-intestine
-lungs, brain, urinary tract
(Audience)
-people who use catheters
-contaminated foods
-Travelers
-crowded tropical regions
(Resevoir)

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Prevention & Treatment Escherichia coli

(Prevention)
-disinfection
-pasteurization
-aeseptic slaughter
(Treatment)
-Bismuth salicylate
counteracts toxin and provides antimicrobic effect

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Transmission of Salmonella

Method
Habitat
Audience
Resevoir

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(Method)
-ingestion of contaminated foods
(Habitat)
-gal bladder
-intestines
-mucosa of small intestine
(Audience)
(Resevoir)
typhi only human to human

Prevention & Treatment Salmonella

Study These Flashcards

(Prevention)
-prevent ingestion
-adaquate saitation
(Treatment)
-antibiotic treatment
-removal of gallbladder

Biological features of Shingella

shape
arrangement
gram stain
motility (motile)
form of respiration

Study These Flashcards

shape:
arrangement:
Respiration:
Gram stain: (-)
-non motile
-non fastidious
-lactose negative (-)

Diseases of Shingella

Shingellosis
Dysentry

Study These Flashcards

(Shingellosis)
Symptoms:
-abdominal cramps
-watery stools
-villus cells of Large intestines
(Dysentry)
-stools contain blood

Mechanim of Disease for Shingella

-virulence factors

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(Virulence)
>Shiga toxin
-nerve cell damage & damage to intestines and kidney

Transmission of Shingella

Method
Habitat
Audience
Resevoir

Study These Flashcards

(Method)

(Habitat)
-large intestines
-Intestinal mucosal via lymphoid cells
-doesn't invade blood
(Audience)
(Resevoir)
-strictly human

Prevention & Treatment Shingella

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(Prevention)
-consumption of contaminated foods
-proper hygine
(Treatment)
-oral antimicrobics

Biological features of Haemophilus influenza

shape
arrangement
gram stain
motility (motile)
form of respiration

Study These Flashcards

shape:
arrangement:
Respiration:
Gram stain: (-)
-fastidious
-sensitive to drying
-opportunistic
-faculatative anaerobe
-nonenteric
-oxidase (+)

Transmission of Shingella

Method
Habitat
Audience
Resevoir

Study These Flashcards

(Method)
-Feces
-Food
-Fingers
-Flies
-Fomites
(Habitat)
-large intestines
-Intestinal mucosal via lymphoid cells
-doesn't invade blood
(Audience)
(Resevoir)
-strictly human

Mechanim of Disease for Haemophilus influenza | -virulence factors

(Virulence) | >Capsule

Biological features of Haemophilus influenza - shape - arrangement - gram stain - motility (motile) - form of respiration

``` shape: arrangement: Respiration: Gram stain: (-) -fastidious -sensitive to drying -opportunistic -faculatative anaerobe -nonenteric -oxidase (+) ```

Diseases of Haemophilus influenza - acute conjunctivitis - chancroid - acute bacteria meningitis

``` (acute conjunctivitis) PINKEYE -subconjunctival hemorrhage (acute bacteria meningitis) -caused by serotype B Symptoms: fever -vomiting -stiff neck ```

Mechanim of Disease for Haemophilus influenza | -virulence factors

(Virulence) | >Capsule

Transmission of Haemophilus influenza - Method - Habitat - Audience - Resevoir

``` (Method) -Close contact with throat& nose dischrges -fingers -qnats -flies (Habitat) -uppper respiratory tract -vagina (Audience) (Resevoir) ```

Prevention & Treatment Haemophilus influenza | >Vaccine!!

``` (Prevention) -Vaccine (HIB) (Treatment) -Antibiotic eye drops -cephalosporin & dexaneretrasone ```

Ch 20 Flashcards

(30 cards)