PPT-Regulation of Transcription

C483 Spring 2013 1 Which of the following is true about transcription regulation A A repressor protein activates transcription of a negatively regulated gene B A positively regulated gene can be transcribed only in the absence of active repressor . 7. 7 RNA Synthesis and Processing. Chapter Outline. Transcription in Prokaryotes. Eukaryotic RNA Polymerases and General Transcription Factors. Regulation of Transcription in Eukaryotes. RNA Processing and Turnover. RNA Processing, and Transcriptional Regulation. Structure of RNA. Major Classes of RNA. Transcription in Prokaryotes. Transcription in Eukaryotes. Post-transcriptional Processing of Eukaryotic mRNA. Transcriptional Regulation in Prokaryotes:. Learning Objectives. Learn what a ‘transcription factor’ is.. Learn how oestrogen affects gene transcription.. Learn what siRNA is and how it affects gene expression.. Recap of 15.1. That the cells in our bodies are highly . i. n Eukaryotes. Lecture #2. 1/23/17. References. . A few of the many insights from RNA polymerase structures. Cramer, P. (2002) . Multisubunit. RNA polymerases. . Curr. . Opin. . Struct. . Biol. Geeta. . Narlikar. ) . . January 19, 2017 – Transcription Initiation and its Regulation in Bacteria. January 23, 2017 – Transcription Initiation and its Regulation in Eukaryotes. January 26, 2016 – Chromatin 1. Gene Expression Group. 7/14/11. 2011 National Academies Northstar Institute for Undergraduate Education in Biology . Outline. Context. Review: Clicker Questions. Cell Differences (Think-Pair-Share). Regulation of Gene Expression (Mini-Lecture). Pre-transcriptional regulation. chromatin compaction . eg. . deacetylation. , . methylation. transcriptional initiation . ie. transcription factors to activate or repress. alternative promoters =. Outline. Objective. Mechanism. K. inase cascades and Phosphorylation/. dephosphorylation. . General. Learning/LTP. Synaptic strengthening. Control of gene expression. Transcription factors. Epigenetics. Geeta. . Narlikar. ) . . January 19, 2017 – Transcription Initiation and its Regulation in Bacteria. January 23, 2017 – Transcription Initiation and its Regulation in Eukaryotes. January 26, 2016 – Chromatin 1. Structure of RNA. Major Classes of RNA. Transcription in Prokaryotes. Transcription in Eukaryotes. Post-transcriptional Processing of Eukaryotic mRNA. Transcriptional Regulation in Prokaryotes:. the Lac Operon as an example. Dr. Vladimir Teif. BS222 – Genome Science Lecture 4. Module structure. Genomes, sequencing projects and genomic databases (VT) (Oct 9, 2018). Sequencing technologies (VT) (Oct 11, 2018). Genome architecture I: protein coding genes (VT) (Oct 16, 2018). Draw 8 boxes on your paper. Gene regulation accounts for some of the phenotypic differences between organisms with similar genes.. 2005-2006. Gene regulation in bacteria. Control of gene expression enables individual bacteria to adjust their metabolism to environmental change. (Chapter 9). Presented by Dr. Laurie M. Erickson. Chair of the Department of Health Sciences. Blitstein Institute of Hebrew Theological College. Chicago, IL, USA.. Gene Expression can be Regulated.. Gene expression: . Mamoun Ahram, PhD. 1. Resources. This lecture. Cooper, Chapter 8. Regulation. of transcription in prokaryotes . The lac operon. 3. Metabolism of lactose. In the 1950s, pioneering experiments were carried out by François Jacob and Jacques Monod who studied regulation of gene transcription in E. coli by analyzing the expression of enzymes involved in the metabolism of lactose. .