Ch 33 Parts 1 and 2 Flashcards
(26 cards)
microbiome
community of microorganisms that exists in an environment
microbiota
all the microorganisms that live in this environment
holobiont
hosts and microbes live together in symbiosis and evolve together
human microbiome
community of microorganisms that exists in and on the human body
commensals
microorganisms in and on the human body that do not harm health
normal microbiota
microorganisms that establish permanent colonies
transient microbiota
microbes that are present for a period then disappear
microbial antagonism
inhibiting or killing non-indigenous species through competition
dysbiosis
imbalance of the normal flora in a human microbiome
bifidobacteria
found in breastmilk, limits growth of pathogens in infants
staphylococcus epidermis is a key component of healthy _____
skin
T/F: many microorganisms can be found in the brain/muscles
false
Actinobacteriota
Bacteroidetes
Firmicutes
Fusobacteriota
Proteobacteria
Verrucomicrobiota
are all commonly located:
skin
intestinal tract
mucosal surfaces
inhibition of pathogen growth
bacterial interference
The skin and the _____ have strong microbiome links
gut
MAG
metagenome-assembled genome
HR
human associated bacteria reference database
Bifidobacteria, E.Coli, and Lactobacilli are beneficial/harmful bacteria
beneficial
Campylobacter, C. Diff, and Enterococcus Faecalis are beneficial/harmful bacteria
harmful
T/F: most microbes are killed in the stomach due to its acidic conditions
true
hot spot for microbial activity in the human body
large intestine
these two microbial phyla make up 80-90% of the species found in the gut
firmicutes
bacteriodetes
those who are overweight may have higher _____ in comparison to _____
firmicutes in comparison to bacteriodetes
germ free mice that receive a fecal transplant from obese donors…
become obese while eating less food