'Transcription initiation' presentation slideshows

RNA Synthesis and Processing

7. RNA Synthesis and Processing. 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. Introduction.

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Chapter 17 Gene Regulation in Eukaryotes

Chapter 17 Gene Regulation in Eukaryotes. 04 ??????? ??? 200431060045. This chapter can be studied with comparison to chapter 16. F O R E W O R D. The regulation in eukaryotes is very like that in prokaryote, but is more complex.

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Transcription

Transcription. Dr.S.Chakravarty, MD. Learning objectives. List the types of RNA, its structure and functions Classify the types of RNA polymerases and its functions Outline the steps of RNA transcription and its clinical applications Processing of RNA in the nucleus and P-bodies

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Unit #3 Schedule:

Unit #3 Schedule:. Previously: Sanger Sequencing Central Dogma Overview Mutation Transcription , RNA Processing, Translation Last Class: Central Dogma Sculpting Today: Regulation of Gene Expression + Trivia StudyNotes 9 Due Tutorial (Apr 5) Review (Apr 9) EXAM 3 (Apr 11 )

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Analysis and Prediction of Protein Function

Analysis and Prediction of Protein Function. Jianlin Cheng, PhD Computer Science Department Informatics Institute C. Bond Life Science Center 2012. Part 1: Gene / Protein Function Analysis. Widely Used Systems for Protein Function Definition.

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Regulation of gene expression

Regulation of gene expression. Same DNA ? complex organism human embryo. Same DNA ? diverse features. Highly similar DNA. Human & Chimpanzee DNA: 96% identical. Regulation of protein level in cell. 1. Synthesis of the primary RNA transcript ( transcription )

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CHAPTER 18

CHAPTER 18. REGULATION OF GENE EXPRESSION. I. Overview. Prokaryotes and eukaryotes alter gene expression in response to their changing environment In multicellular eukaryotes, gene expression regulates development and is responsible for differences in cell types

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DNA Lecture

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Ecclesiastes 3:1

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Ecclesiastes 3:1

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Gene Ontology Consortium geneontology/

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Transcription Part 2

Transcription Part 2. Hexons and pentons form capsid. (TP) Covalently linked to DNA. 36 kbp. 50 nm. Transcribed by RNA pol II. Transcribed by RNA pol III. Figure A-1 Adenovirus.

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By: Azreena (D11A005) & Nur Nabila (D11A027)

By: Azreena (D11A005) & Nur Nabila (D11A027). WHAT IS ANTIBIOTICS?. A lso known as antibacterial, the drugs used to treat infections caused by bacteria. Antibiotics target microorganisms such as bacteria, fungi and parasites. However, they are not effective against viruses.

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Both prokaryotes and eukaryotes

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Fig. 17-17

Initiating translation. Large ribosomal subunit. 3 ?. U. 5 ?. C. A. P site. Fig. 17-17. Met. Met. 5 ?. 3 ?. A. G. U. Initiator tRNA. GDP. GTP. E. A. mRNA. 5 ?. 5 ?. 3 ?. 3 ?. Start codon. Small ribosomal subunit. Translation initiation complex. mRNA binding site.

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PROTEIN SYNTHESIS

PROTEIN SYNTHESIS. Involves 3 steps :- Transcription RNA processing Translation. transcription. Involves 3 steps :- Initiation Elongation Termination. INITIATION. DNA unwinds using helicase . This produces a transcription bubble . Only one strand of DNA is copied.

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Lecture 17: RNA and Transcription

Lecture 17: RNA and Transcription. Announcements. Doodle poll for changing date of final. DNA replication in eukaryotes: replicating the telomeres. The problem:. The solution:. new lagging strand is shorter. Review of RNA structure. RNA secondary structure. = hairpin or stem-loop .

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Outline

Outline . Questions from last lecture? P. 40 questions on Pax6 gene Mechanism of Transcription Activation Transcription Regulatory elements Comparison between yeast and mammals Examples of mammalian transcriptional control regions Transcription Factors (activators and repressors)

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CAAT-Box

CAAT-Box. Elaine Chiu Eden Maloney Nancy Phang. Transcription. Transcription: DNA mRNA protein. Transcription factors are sequence-specific DNA binding factors proteins. They promote or block transcription by controlling the recruitment of RNA polymerase

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Transcription in Eukaryotes

Transcription in Eukaryotes. Class II promoters:. *Core Promoter TATA box TFIIB Recognition Element (BRE) Initiator (Inr) Downstream Promoter Element (DPE) *Upstream Promoter Element. Transcription Initiation in Eukaryotes. General Transcription Factors and the Pre-initiation complex:.

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