'Spliceosome' diaporamas de présentation

Chapter 13

Chapter 13. RNA Splicing. ???? ?? ??? 200331060140. OUTLINE. Introduction The chemistry of RNA Splicing The Splicing Machinery Splicing Pathway Alternative Splicing Exon Shuffling RNA Editing mRNA Transport. Introduction.

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RNA processing and regulation Network interactions in gene expression

Topics. RNA processing and regulation Network interactions in gene expression RASL-DASL the genome: approaches for systems biology. rRNA Processing Pathway: Involvement of A Series of Endo- and Exonucleases. 18S. 5S. 28S. 45S. 41S. 32S. 20S. 5S. 28S. 18S. Maturation of tRNAs.

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Genes and Protein Synthesis

Chapter 7. Genes and Protein Synthesis. DNA contains all of our hereditary information Genes are located in our DNA ~25,000 genes in our DNA (46 chromosomes) Each Gene codes for a specific polypeptide. One Gene-One Polypeptide Hypothesis. Central Dogma Francis Crick (1956). Main Idea.

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Five Classes of Introns

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Gene Activity

Gene Activity. 1. Link between genotype & phenotype. Unique structures. Amino acid sequence. Specific enzyme. Structures in organisms. Proteins. DNA specifies proteins. Development. Particular organism. DNA nucleotide sequence. George Beadle & Edward Tatum. 2. Minimal media.

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Splicing

Splicing. Spliceosome-mediated splicing. Alternative Splicing. Regulated Splicing *splicing enhancers *splicing silencers. Alternative Splicing: Mouse immunoglobulin heavy chain. Alternative Splicing: Sex determination. Alternative Splicing: Drosophila sex determination.

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