'Molecular phylogeny' diaporamas de présentation

MSA- multiple sequence alignment

MSA- multiple sequence alignment. Aligning many sequences is often preferable to pairwise comparisons. Problem- Computational complexity of multiple alignments grows rapidly with the number of sequences being aligned.

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Phylogeny of Mixture Models

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Phylogeny of Mixture Models

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Fredj Tekaia Institut Pasteur tekaia@pasteur.fr

Molecular Phylogeny. Fredj Tekaia Institut Pasteur tekaia@pasteur.fr. Examples of phylogenetic trees. Pace (2001) described a tree of life based on small subunit rRNA sequences. Pace, N. R. (1997) Science 276 , 734-740 This tree shows the main three branches described

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?????????????????? -- Studying the phylogeny of freshwater eels

?????????????????? -- Studying the phylogeny of freshwater eels. ???? ????? ? ? ?. The genus Anguilla. Ege (1939) Dana Report. Ege (1939) Dana Report. Ege (1939) Dana Report. I. II. III. IV. Ege (1939) Dana Report. NJ tree. I. I. II. II. IV. IV. IV. II. I. I. II.

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Chado for evolutionary science

Chado for evolutionary science. Chris Mungall HHMI (until June) National Center for Biomedical Ontologies (after June). Outline. Chado key concepts Chado selected module tour sequence : genome annotations cv : ontologies and terminologies phylogeny : evolutionary trees

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CB8500 Intro

CB8500 Intro. http://www.striepen.uga.edu/biopara/schedule.html. Biology of Parasitism CB8500. We will meet three times a week: Mondays: 3:35 p.m., Wednesdays: 9 a.m., Fridays: 9 a.m. Two lectures (usually Mon/Fri) and one seminar/journal club (usually Wed)

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Trees?

Trees?. Sculpture at Royal Botanical Gardens, Kew. J. Peter Gogarten University of Connecticut Dept. of Molecular and Cell Biology. muscle alignment. muscle vs clustal. more on alignment programs (statalign, pileup, SAM) here. the same region using tcoffee with default settings.

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Cao et al. (2000) Gene

Phylogeny of Mammals a good example where molecular sequences have led to a big improvement of our understanding of evolution. Cao et al. (2000) Gene.

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Sequence alignment:

Sequence alignment:. CLUSTALW. MUSCLE. Removing ambiguous positions:. T-COFFEE. FORBACK. Generation of pseudosamples:. SEQBOOT. PROTDIST. TREE-PUZZLE. Calculating and evaluating phylogenies:. PROTPARS. PHYML. NEIGHBOR. FITCH. SH-TEST in TREE-PUZZLE. CONSENSE.

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Dan Deatherage Kevin Myers September 3,2004

Using Molecular Analysis to Examine the Phylogeny of Symbiotic Water Mites in Two Subgenera: Unionicoloides and Parasitax. Dan Deatherage Kevin Myers September 3,2004. Background. Symbiotic water mites Mussels provide hosts to mites Size requires molecular techniques

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Origin of Complex Life

Origin of Complex Life. HON-3230 Chance, Emergence or Design. From a Simple Replicator. Life requirements Information storage Replication Metabolism Possible first replicators Protein first world RNA world Lipid world Metabolism first. Metabolism Recapitulates Biogenesis.

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Classification

Answer on a piece of paper: Why and how do we classify organisms?. Classification. Reasons to Classify:. To understand and classify the diversity of life on Earth. Test evolutionary hypotheses such as: Trait Evolution Co-evolution Mode and pattern of speciation Biogeography

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Christine Chessler

A Brief Molecular Phylogeny focused on Twenty-Nine Species within the Testudinidae Family using Mitochondrial Cytochrome b Gene. Christine Chessler. Introduction. Family Testudinidae Land-based tortoises Widely distributed & recognized Majority in Africa & Asia Few in America & Europe

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Ethogram for Cricket Aggression

Ethogram for Cricket Aggression Hans A. Hofmann Molecular Phylogeny of Gryllidae Huang et al., 2000

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