Lecture 25 symbiosis Flashcards

1
Q

commensalism

A

nonpathogenic

benefit from host niche

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2
Q

mutualism

A

benefit from host niche

provide benefit for host

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3
Q

pathogenesis

A

symbiotic
facultative parasite
pathogenic

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4
Q

parasitism

A

symbiotic
obligate parasite
pathogenic

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5
Q

bovine mutualism

A

rumen: cellulose/polysaccharide bacteria, allow cow obtain nutrients

cow provide niche for growth and food supply

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6
Q

E.coli commensalism

A

create anaerobic environment for obligates bacteroides

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7
Q

bacteria benefits in human

A

intestinal flora: vitamin synthesis, polysaccharide digestion

stimulate intestinal development

perturbation flora: inflammatory bowel, colitis, obesity

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