PPT-Prokaryotic gene regulation

Group 1 Akhtar Ali Lucile McCook Marcella Hackney Sarah Lea Anglin Anne Grove Facilitator Prokaryotic gene regulation Context Target Audience Intro Biology for Freshmen DNA structure. of gene expression. . References:. . Stryer. : “Biochemistry”, 5. th. Ed.. Hames. & Hooper: “Instant Notes in Biochemistry”, 2. nd. Ed.. 1. Basic principles of gene control. What is gene expression?. Note that the ATG codon encodes both start and methionine . Prokaryotic genes have a simple one-dimensional structure. 5’→. ←. 5’. 5’→. ←. 5’. Start codon. Stop codon. ATG. TAG. ATG. AAA. Eukaryotic Gene Regulation. How are genes turned on & off . in eukaryotes?. How do cells with the same genes differentiate to perform completely different, specialized functions?. Evolution of gene regulation. 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 =. Structure dictates function . Prokaryotic transcription is simpler. DNA exists in one chromosome . Less non-coding sequence. RNA polymerase binds the promoter directly. Genes are clustered into functional groups called operons. CSCOPE. Unit: 08 Lesson: 01. There are hundreds of different types of cells in your body, and each type has a unique function. We’re going to compare some different types of cells to see how much they have in common. . 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. The cerebellum is the region of the brain that coordinates motor control, and many human neural disorders impact the cerebellum.. Several spontaneous mouse mutants with motor defects have been found, including:. Gene Expression. Gene Expression. Transcription. Splicing. Polyadenylation. mRNA Stability. Translation. Protein Stability. Controls on Protein Levels. Transcription Control - Prokaryotic Promoter. Transcription Control - Prokaryotic Promoter. Gene Regulation Gene expression can be turned on, turned off, turned up or turned down! For example, as test time approaches, some of you may note that stomach acid production increases dramatically&# (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: . Definition:. Anything genetic above and beyond the . sequence. of nucleotides. Importance:. Everything. , especially development and genetic. responses to the environment.. Examples of Epigenesis:. 1) Development: tissue differentiation and timing. AP Bio – Ch. 16-21. Unit 6 – Overview. Ch. 16 – The Molecular Basis of Inheritance (DNA). Ch. 17 – Gene Expression: From Gene to Protein. Ch. 18 – Regulation of Gene Expression. Ch. . 19 . – .