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Flashcards in microbiome Deck (17)
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1
Q

what is the microbiome?

A

entire habitat, including micro-organisms, their genomes, and surrounding enviro

2
Q

what is microbiota?

A

microbial community, including bacteria, archaea, eukaryotes, viruses, that occupy given habitat

3
Q

what is metagenomics?

A

process used to characterize metagenome (genes from microbiota) from which info on the potential function of microbiota can be gained

4
Q

factors that shape microbiota

A

diet, genes, antibiotics, geography, exposures

5
Q

bifidobacterium breaks down ___

A

prebiotics (oligosacc)

6
Q

w/ intro of solid foods, ___ decrease and ___ increase

A

bifido/lacto ; bacteriodetes and firmicutes

7
Q

reach steady state at about ___ yrs

A

3

8
Q

what happens to microbiome of older adults?

A

pro-inflammtory state, ^ DNA damage and immune compromise

9
Q

what can help microbiota (not diet)?

A

pets

10
Q

what med influences microbiota?

A

proton pump inhibitors

11
Q

healthy gut = ____; inflammatory = _____

A

symbiosis; dysbiosis

12
Q

what is target intake for resistant starch?

A

5g/meal

13
Q

probiotics (lacto, saccharomyces) associated with reduction in ____

A

AAD (antibiotic associated diarrhea)

14
Q

what are prebiotics?

A

selectively fermented ingredient resulting in specific changes in comp/activity of GI microflora, conferring health benefits

15
Q

types of prebiotics?

A

inulin, GOS

16
Q

target intake for prebiotics?

A

10g/day

17
Q

why fermented foods?

A

enhance protein quality, bioavailability of vit/min, antioxidant, bioactive compounds