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It og Sundhed Thomas Nordahl Petersen, Associate Professor Center for Biological Sequence Analysis, DTU

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Presentation on theme: "It og Sundhed Thomas Nordahl Petersen, Associate Professor Center for Biological Sequence Analysis, DTU"— Presentation transcript:

1 It og Sundhed Thomas Nordahl Petersen, Associate Professor Center for Biological Sequence Analysis, DTU Mail:tnp@cbs.dtu.dktnp@cbs.dtu.dk

2 Lectures and exercises Lectures: 9 15 - 12 room 062 Exercises: 13 - 16 room 062 Wireless network: https://auth.wireless.dtu.dk/index.cgihttps://auth.wireless.dtu.dk/index.cgi Course days once a week (Break during christmas from Dec 15) Written exam Jan 26 - 2012 Undervisning er på dansk, men undervisningsmateriale er fortrinsvis på engelsk.

3 Teachers Thomas Nordahl Petersen Henrik Nielsen Anders Gorm Pedersen Bent Petersen Kasper Nielsen Thomas Blicher

4 This is a hands-on course The major part of the course is computer exercises We get to use the actual methods We get to use “live” online database

5 Everything is linked from the course programme

6 Readings, slides and hand-outs

7 Teaching material

8 Outline of the course Topics will cover a general introduction to bioinformatics –Evolution –DNA / Protein and amino acids –Alignment and scoring matrices How does it work & what are the numbers –Visualization of multiple alignments Phylogenetic trees and logo plots –Commonly used databases Uniprot/Genbank & Genome browsers Genotype, phenotype & SNP’s –Protein 3D-structure & homology modeling –Artificial neural networks & case stories –Practical use of bioinformatics tools –Sequence information and Logo plots

9 Outline of the course

10 The Amino Acids Asn (N) Asp (D) Gln (Q) Glu (E) His (H) Lys (K) Arg (R) Tyr (Y) Trp (W) Phe (F) Gly (G) Pro (P) Ile (I) Met (M) Leu (L) Ala (A) Val (V) Ser (S) Cys (C) Thr (T)

11 Automated sequencing The major break-through of sequencing has happended through automation. Fluorescent dyes. Laser based scanning. Capillary electrophoresis Computer based base- calling and assembly. Images: http://www.idtdna.com/support/technical/TechnicalBulletinPDF/DNA_Sequencing.pdf

12 CENTER FOR BIOLOGICAL SEQUENCE ANALYSIS Theory of evolution Charles Darwin 1809-1882

13 Phylogenetic tree

14 Sequence alignment - Blast

15

16 BLAST Exercise

17 Genome browsers - UCSC Intron - Exon structure Single Nucleotide polymorphism - SNP

18 Genome browsers - Ensembl

19 Protein 3D-structure

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21 Neural Networks From knowledge to information Protein sequence Biological feature

22 Prediction of biological features Surface accessible Predict surface accessible from amino acid sequence only.

23 Logo plots

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25 Information content, how is it calculated - what does it mean.

26 Written Exam


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