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Microbial Pathogenesis - Coggle Diagram
Microbial Pathogenesis
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Stages of Pathogenicity
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Only a few pathogens cross the blood-placental barrier. Ex: listeria monocytogenes (can cause spontaneous abortion because of foodborne illness.
Types of Infection
Local infection: confined to small area, near portal of entry. Ex: boil, abscess, caused by staph aureus
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Primary infections makes host cell susceptible to a secondary infection. Ex. HIV increases risk of other pathogens
Virulence factors
encoded in genes. Colonize and damage host cells. Protect against immune defenses. produces coenzymes and toxins.
Toxins
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neurotoxins: botulinum toxin, tetanus toxin
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