Chap 16- Microbiome Flashcards
Prior to Koch’s discovery of “Germ Theory of Disease” & Koch’s postulates, ancients thought diseases were
divine punishment
__________ discovery of microorganisms led ppl to believe they might cause diseases in 17th century
Leeukwenhoek
We come into many microbes daily; are most microbes pathogenic?
No
Microbes are more ______ than _______; microbes typically cause issues for those who are ____________.
BENEFICIAL; harmful; Immunocompromised
disease causing microbe
pathogen
The living together of two dissimilar organisms ; relationships between microbes and human body
symbiosis
symbiotic associations between microorganisms and human body
mutualism, commensalism, parasitism
symbiotic association in which both partners benefit.
mutualism
Relationship between two organisms in which one partner benefits and the other is unaffected
commensalism
symbiotic association where parasite benefits at the expense of a host.
parasitism
group of microorganisms that colonize the body surfaces but do not usually cause disease
Normal microbiota
community of microorganisms, as well as their genetic information, in a given environment
microbiome
imbalance in the microbiome
dysbiosis
Roles of human microbiome
protect against infection/cancer, stimulate adaptive immunity, aid digestion, produce substances important for health (vitamin K)
When microbiome is surpressed,
pathogens may colonize it and cause disease