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Tree of Life: primary divisions OEB 192 – 11.09.12
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Tree of Life: three “domains” Based on 16S rRNA (Woese, 1987):
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Tree of Life: three “domains” Based on 16S rRNA (Pace, 1997):
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Bacteria & Archaeal: all genomes as of 12 Feb., 2010 (Lee, Robinson & Marx, in prep)
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Tree basics: meaning
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Tree basics: rotation
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Tree basics: shape
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Microbial systematics Formerly Pseudomonas (partial list): Ralstonia, Burkholderia, Hydrogenophaga, Sphingomonas, Methylobacterium, Cellvibrio, Xanthomonas, Acidovorax, Hydrogenophillus, Brevundimonas, Pandoraea
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16S rRNA as phylogenetic marker Why a good molecule? 70S 30S 50S
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Tree basics: clades & character changes
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Key phylogenetic terms
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Phenetics vs. cladistics
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Maximum Parsimony Parsimony – shortest tree (fewest homoplasies)
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Neutral theory Developed by Motoo Kimura, 1968
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Wednesday (9/14): Molecular evolution & phylogenetic inference: case of HIV & comment…
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