Chapter 23: Pathogens and Infection
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Last updated 8:11 PM on 7/10/23
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10 Terms
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Pathogens
They are microorganisms that can cause disease in their host organisms, including humans.
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Human microbiota
It refers to the vast community of microorganisms that reside in and on the human body.
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Dysbiosis
Imbalances or disruptions in the microbiota is known as dysbiosis.
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Colonization resistance
The human microbiota plays a crucial role in preventing pathogen colonization and infection through various mechanisms, collectively known as colonization resistance.
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Infection
It is a complex process that involves the interaction between pathogens and host cells at the cellular and molecular levels.
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Cell biology of infection
It encompasses the processes by which pathogens enter host cells, manipulate host cellular machinery, and evade host immune responses.
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Viruses
Acellular, neither living nor non-living.
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Well-known pathogens
the influenza virus, Staphylococcus aureus bacteria, Candida fungi, and Plasmodium parasites causing malaria.
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lysosomal degradation
they evade or subvert host cell
