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Does function explain size?

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Presentation on theme: "Does function explain size?"— Presentation transcript:

1 Does function explain size?
Image- the_human_body.htm Image-

2 Does function explain size?
3.2 billion bp 250 billion bp 137 million bp 9.1 million bp 1.7 million bp Whisk fern Image- primer/analysis.shtml Image- fruitflyimage.htm Image- BioBookDiversity_5.html

3 9.1 Mb 7.8 Mb 7.1 Mb 4.7 Mb 1.7Mb Npun Tery Avar Gvi Pro9313 The Giant
Sizes of all cyanobacteria Images- www-cyanosite.bio.purdue.edu/ images/images.html

4 -Heterotrophic (dark w/sugar)
Npun -Photosynthesis -Heterocysts (fix N2 ) -Heterotrophic (dark w/sugar) -Hormogonia -Symbiosis -Akinetes Functions of Nostoc- Photosynthesis, Grow in Dark with sugar, Akinetes (spore), Heterocysts, Hormogonia (mobile, colonize), Fix N2, Symbiosis Image oferta_m.htm Meeks, J.C. et. al An overview of the genome of Nostoc punctiforme, a multicellular, symbiotic cyanobarcterium. Photosynthesis Research 70:

5 Functions Closest Share functions with other cyano-maybe

6 More functions---More genes?
Npun-7412 Avar-6809 SS Maybe- Or Duplicates? More families of genes? More genes or extra stuff? Duplicates?, more genes per family, more families More genes in each family?

7 Counting genes… 0 avar_gene1088 0 tll0876 1 Pro1503 Pattern match
20082 tsr2400 Pattern match Avar Total genes- 3 How solve—list Tribe? Family and genes

8 Counting families… Count family Count genes per family if count = 0 1
Avar – 2 families 1 2 0 avar_gene1088 0 tll0876 1 Pro1503 1 avar_gene713 avar_gene83 20082 tsr2400 Pattern match for each org and count If at least 1 gene in family for each org. count fam.

9 More families?

10 Genes per family? total genes/ total families Graph- avg. per family
Yes…Nostoc more gene per family

11 Average -Skewed? Genes per family Take median All cyano - 1 Skew?
Collect count of genes for each family Median for all is one.

12 Unique families? How many unique to Nostoc?
How many unique to Nostoc and one other. (share) phylog.

13 Earlier– phylogenetic trees based on 16-S RNA difference
Shared families? Earlier– phylogenetic trees based on 16-S RNA difference Unique to Npun and other Maybe explain why Nostoc bigger Do phen trees based on both– RNA from assingment (march 30 Problem set 2) (or from how many Nostoc shares)

14 More families More genes per family Lots of genes in a few families Share families- shared functions?


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