Biol 568 Advanced Topics in Molecular Genetics

3/18/05


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Table of Contents

Biol 568 Advanced Topics in Molecular Genetics

Initiation of Transcription -Euk.

Overview

Overview

General Factors

Upstream Factors

Inducible Factors

Fig 21.1 Overview of control regions for a eukaryotic gene

Transcription Control Regions

RNA Pol II

RNA Pol II

Fig 21.2 Yeast RNA Pol II subunits

Promoter Analysis

Promoter Analysis

Oocyte system

Transfection Systems

Transgenic Systems

Fig 21.3 Promoter Analysis (deletion)

Definition of promoter boundaries

Promoter Functional Analyses

Initiation of Transcription -Euk.

RNA Pol II promoter

RNA Pol II promoter

RNA Pol II promoter

Fig. 21.10 RNA pol II promoter

RNA Pol II basal apparatus

RNA Pol II Initiation

Fig 21.11 Positioning RNA Pol II

Fig 20.9 TBP bound to DNA

Fig 21.13 TBP bound to DNA

TBP binds to DNA

Add discussion about histone interactions?

Fig 21.15 Additional TFIIs bind

Fig 20.12 TF II B Interactions

Fig 20.12 TF II B Interactions

PPT Slide

TFIIB interacts with RNA pol II

Fig 21.15 Additional TFIIs bind

TFIIF

RNA pol II holocomplex

TATA-less promoters

Comparison with txn in prokaryotes

TFIID

Txn; Promoter Clearance

Fig 21.17 Release of RNA Pol II from promoter

Release of RNA Pol II from promoter

Phosphorylation of CTD

Initiation of Transcription -Euk.

Promoter Analysis

Fig 21.21 Saturation mutagenesis of a b-globin promoter

Modularity of Eukaryotic Promoters

Modularity of Eukaryotic Promoters

Fig 21.22 Promoters contain different combinations of elements

Element - TF interactions

Element - TF interactions

Element - TF interactions

Element - TF interactions

Role of Enhancers

Fig 20.19 Enhancer mutational analysis

Enhancers

What is the function of the enhancer?

Initiation of Transcription -Euk.

Author: Alan H. Christensen

Home Page: http://mason.gmu.edu/~achriste/568Webpage.html

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