Bis2C.F10.Lecture10

Bis2C.F10.Lecture10 - 1 Lecture 10a BIS 002C BIODIVERSITY...

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Unformatted text preview: 1 Lecture 10a BIS 002C BIODIVERSITY AND THE TREE OF LIFE Lecture 10: Lateral Gene Transfer and Intro to Microbial Eukaryotes Tuesday, October 12, 2010 2 Where we are going and where we have been Previous lecture : 9. Bacterial and archaeal diversity Current Lecture: 10a. Lateral gene transfer 10b. Microbial eukaryote Introduction Next Lecture: 11. Microbial Eukaryotes and Endosymbioses Tuesday, October 12, 2010 3 Lecture 10 Outline 10a: Lateral gene transfer General concept and comparison to binary fission Effect on phylogeny 10b: Microbial eukaryote diversity Introduction Phylogenetic diversity Tuesday, October 12, 2010 One last thing from previous lecture Data for phylogenetic analysis for bacteria and archaea comes almost entirely from sequence data This is because other types of information such as morphology, etc are not informative enough Not enough characters Too much homoplasy 4 Tuesday, October 12, 2010 A. Lateral gene transfer 5 A. Lateral gene transfer Tuesday, October 12, 2010 MRSA http://evolution.berkeley.edu/evolibrary/news/080401_mrsa 6 Tuesday, October 12, 2010 7 E. coli Tuesday, October 12, 2010 Binary fission 8 Binary fission generates a cell lineage tree = analogous to a phylogenetic tree Tuesday, October 12, 2010 Binary fission 8 Binary fission generates a cell lineage tree = analogous to a phylogenetic tree Binary fission 8 Binary fission generates a cell lineage tree = analogous to a phylogenetic tree Tuesday, October 12, 2010 Binary fission 8 Binary fission generates a cell lineage tree = analogous to a phylogenetic tree Tuesday, October 12, 2010 Binary fission 8 Binary fission generates a cell lineage tree = analogous to a phylogenetic tree Tuesday, October 12, 2010 Binary fission 8 Binary fission generates a cell lineage tree = analogous to a phylogenetic tree Tuesday, October 12, 2010 Binary fission 8 Binary fission generates a cell lineage tree = analogous to a phylogenetic tree Tuesday, October 12, 2010 Phylogenetic tree 9 Multiple binary fission over long time scales and you can get species evolution Tuesday, October 12, 2010 Mutations happen Mutation = heritable change in the genome (i.e., some change in DNA bases) 10 Tuesday, October 12, 2010 Mutations happen Mutation = heritable change in the genome (i.e., some change in DNA bases) 10 Tuesday, October 12, 2010 Mutations happen Mutation = heritable change in the genome (i.e., some change in DNA bases) 10 Tuesday, October 12, 2010 Mutations happen Mutation = heritable change in the genome (i.e., some change in DNA bases) 10 Tuesday, October 12, 2010 Mutations happen Mutation = heritable change in the genome (i.e., some change in DNA bases) 10 Tuesday, October 12, 2010 Mutations happen Mutation = heritable change in the genome (i.e., some change in DNA bases) 10 Tuesday, October 12, 2010 Binary fission us also known as clonal reproduction...
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Bis2C.F10.Lecture10 - 1 Lecture 10a BIS 002C BIODIVERSITY...

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