Questions for Sushi Paper - Questions for Sushi Paper, due...

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Questions for Sushi Paper, due Feb 17. Name: Yanting Wang NetID: yw275 Question 1: In this paper, it appears that a gut bacterium acquired a gene (for a porphyranase) from a marine bacterium to help process a specific diet item (Nori). Is it equally likely that a marine bacterium that already possessed porphyranases might take up residence in the gut of people who regularly consume algae? Justify your answer. It is unlikely that a marine bacterium would take up residence in the gut. Marine bacterium is not adapted to live in the relatively extreme environment of the gut (acidic, heat) The paper states that the genes shared with marine bacteria are conversed in gut bacteria. These regular symbionts probably received the special set of genes through horizontal gene transfer. Question 2: Japanese and North American microbiomes were searched for porphyranases. Describe the American subjects used in this comparison: Where were they from? How old were they? Metagenomic data of the 18 North American individuals were included from the
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Questions for Sushi Paper - Questions for Sushi Paper, due...

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