October 3, 2018
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1:19:35Now PlayingMIT Computational Biology: Genomes, Networks, Evolution, Health
Prof. Manolis Kellis
Fall 2018
Lecture 08 - Epigenomics
1. Introduction to Epigenomics
- Overview of epigenomics, Diversity of Chromatin modifications
- Antibodies, ChIP-Seq, data generation projects, raw data
2. Primary data processing: Read mapping, Peak calling
- Read mapping: Hashing, Suffix Trees, Burrows-Wheeler Transform
- Quality Control, Cross-correlation, Peak calling, IDR (similar to FDR)
3. Discovery and characterization of chromatin states
- A multi-variate HMM for chromatin combinatorics
- Promoter, transcribed, intergenic, repressed, repetitive states
4. Model complexity: selecting the number of states/marks
- Selecting the number of states, selecting number of marks
- Capturing dependencies and state-conditional mark independence
5. Learning chromatin states jointly across multiple cell types
- Stacking vs. concatenation approach for joint multi-cell type learning
- Defining activity profiles for linking enhancer regulatory networks
6. Epigenome imputation by exploiting chromatin mark correlations
Slides for Lecture 8:
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