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STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology.

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Presentation on theme: "STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology."— Presentation transcript:

1 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology

2 March 28, 2012 Daniel Fernandez Alejandro Quiroz

3 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology 1 st ACT Review of the paper Cistrome Homework Help Q2 INTERLUDE Electronic music with DJ CR (10 min) 2 nd ACT Peak Callers Homework help Q1

4 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology

5 Layers of chromatin organization in mammalian cells 5Zhou et al, 2011

6 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Existing technologies for genomewide mapping of chromatin organization 6Zhou et al, 2011 Sequencing BS-seq MeDIP-seq MNase-seq CATCH-IT ChIP-seq 3C, Hi-C

7 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology ChIP-seq maps of histone modifications reveal functional elements 7Zhou et al, 2011

8 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology ChIP-seq maps chromatin features using crosslinking and antibodies 8

9 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Histone modification patterns characterize promoter classes 9Zhou et al, 2011

10 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Histone modification patterns characterize “states” for genomic elements 10Zhou et al, 2011

11 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Histone modifications defines “states” 11Ernst et al, 2011

12 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Do histone modification signatures associate with chromatin proteins and nuclear features? 12Zhou et al, 2011

13 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology

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17 The Cistrome Understanding Genetic Regulation CisTrOme, stands for Cis-acting regulatory elements searched across, Trans, the whole genOme. –Visit and register at http://cistrome.org/http://cistrome.org/ The objective is to map/identify the binding regions of a transcription factor across (trans) the genome in order to understand the regulatory mechanisms of gene expression in the chromosome where the gene is located (cis).

18 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Types of Data and Peak – Calling Methods Chip-Chip data (Chip on Chip) –Affymetrix one color arrays –Nimble two color arrays Chip-Seq data (Chip and NGS) –Sequencing data (Illumina, Roche, 454) MACS Model based Analysis for Chip-Seq MA2C Model based Analysis for 2-Color arrays MAT Model based Analysis for Tiling arrays

19 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Typical Chip-Seq Pipeline

20 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Typical Chip-Seq Pipeline

21 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Typical Chip-Seq Pipeline

22 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Chip-Seq Analysis tools

23 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Typical Chip-Seq Pipeline

24 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Chip-Seq Peak Caller - MACS

25 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Pipeline for MACS

26 STAT115 STAT225 BIST512 BIO298 - Intro to Computational Biology Chip-Seq Analysis tools


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