Chapter 19 Lecture 5
Cat scratch fever
Pseudomonas Infection
Spotted fever rickettscosis
Affects mainly children because of their play with cats
Fever, malaise, swelling around scratch or bite
Scratches or bites introduce the bacteria
Bartonella causes disease in humans
Thick scab forms
Virulence factors
Rarely is part of the human microbiome
Grows everywhere
Causes swimmers ear
Found in moist environments
Resistant to drugs
Areobic bacterium
Burn pts are most susceptible bc bacteria is opportunistic
Casule
Neuraminidase
Fimbrae and adhesions
Elastase
Endotoxic
Pyocyanin
Triggers formation of reactive forms
Attach to host
Attachment and creation of biofilm
Modifies host cell
Breaks down elastic fiber
Triggers formation of reactive forms of 02
Ticks cause
Amino acids fuel to live
Not itchy but appears on trunk and appendages
Arthropod borne rickettsias cause rash in humans