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MICRB320 Lecture Notes - Lecture 16: Asteroid Family, Leading Edge, Johann Ludwig Bach

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orangecheetah563
22 Oct 2015
School
University of Alberta
Department
Microbiology (Biological Sciences)
Course
MICRB320
Professor
Rebecca Case

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Document Summary

1632%1723" what he found : very numerous in our bodies there was as many microbes in his mouth than in the whole united netherlands. Complex polymicrobial communities coat almost all topologically outside surfaces skin is continuous. Once microbes get into internal systems, they become systemic diseases that are difficult to treat human microbiome research - studies all the outside microbes. Our microbial partners outnumber our human cells by ~ 10:1 they all have diff genomes, they have lots of genes compared to ours they"re influencing us much more www. boston. com/2008/02/25" Historical paradigm studying medical microbes important contributions pasteur. The"same"pathogen"must"be"re%isolated"from" plants"infected"under"experimental"condicons" must meet before classifying pathogens great way to prove scientific method for microbe to infect winogradsky. 1962& they are biological and microbes = microbiota major diversity holders. Polymicrobial disease medical microbes and modern medicine ignore b/c we cant do them. Cant find cure, cant experiment with it not one causative agent, cant do koch posulate.

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Related Questions

In no more than 1-2 sentences each, answer each of the following questions regarding the human microbiome(s):

a.

How many times larger is the cell number in the total human microbiome

relative to the number of cells in the human host?

(1 mark)

b. What is the approximate number of species comprising the total human microbiome?(1 mark)

c.How many times larger is the gene number in the total human microbiome relative to the gene number in the human host?

(1 mark)

d.What is an example of a beneficial effect of a microbiome?

(1 mark)

e.

What is an example of a harmful effect of a microbiome?

(1 mark)

Describe the human microbiome (in broad terms):

include the following:

What classes of mircrobes are represented and what type are not represented in which our microbiome is composed of?

Where is the microbiome located? (Where present, and where absent?)

One benefit that the microbiome provides (the host)?

One benefit that we provide to our microbiome?

Regarding the human microbiome, (i) Explain one possible function of the human microbiome, and, in general terms, how the microbiome could carry out this function.(ii) In studying the microbial biofilms associated with the human gut microbiome, you notice that bacteria using chemolithotrophy always grow intermingled with respiring bacteria. Explain a possible reason why.(iii) Assuming low oxygen concentrations in the GI tract, would one expect a high amount of complex organic carbon degradation (e.g., aliphatics, aromatics, and alicyclics) to occur? Justify your answer.