PPT-GENE EXPRESSION CHANGES

TRIGGERED BY AMYLOID BETA TOXICITY WAIL M HASSAN UNIVERSITY OF WISCONSIN MILWAUKEE O VE R VIEW Model organism Gene expression alterations induced by. limma. package. 20 March 2012. Functional Genomics. Linear regression. Fit a straight line through a set of points such that the distance from the points to the line is minimized. The slope of the line is adjusted to minimize the . Understanding:. Gene expression is regulated by proteins that bind to specific base sequences in DNA . The environment of a cell and of an organism has an impact on gene expression. Nucleosomes help to regulate transcription in eukaryotes. CONSTITUTIVE GENE PRODUCTS ARE NEEDED BY THE BODY AT ALL TIMES. TUMOR SUPRESSOR PROTEINS. ATP. ENZYMES THAT CONTROL CELLULAR RESPIRATION. ADAPTIVE GENE PRODUCTS ARE ONLY REQUIRED UNDER CERTAIN CONDITIONS. Vibrio cholerae . HHMI 2011. Sara Fassio. Dr. Claudia H. ä. se. Dr. Yusuke Minato . Cholera. Infection of small intestine . Causes severe diarrhea and electrolyte loss. 3-5 million cases a year. 100,000- 120,000 deaths per year . Bing Zhang. Department of Biomedical Informatics. Vanderbilt University. bing.zhang@vanderbilt.edu. Overall workflow of gene expression studies. Microarray. Biological question. Experimental . design. What does the operon model attempt to explain?. the coordinated control of gene expression . in bacteria. bacterial resistance to antibiotics. how genes move between homologous regions of DNA. the mechanism of viral attachment to a host cell. Stephen Montgomery. smontgom@stanford.edu. montgomerylab.stanford.edu. @. sbmontgom. Identifying the genes and variants responsible for disease.. Monogenic to polygenic diseases. Rare to common variants. . in wounds undergoing negative pressure wound therapy. Nate . Stearrett. (presentation format shamelessly stolen from Jeff . Elhai. ). Chronic Wounds. http://wjes.biomedcentral.com/articles/10.1186/1749-7922-2-10. . Differential . expression, clustering, networks, and functional enrichment. STEMREM 201 Fall 2012. Aaron . Newman, Ph.D.. 10/17/12. A . genomics approach . to . biology involves…. A plethora of . 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. Gene Expression. Gene Expression. Transcription. Splicing. Polyadenylation. mRNA Stability. Translation. Protein Stability. Controls on Protein Levels. Transcription Control - Prokaryotic Promoter. Transcription Control - Prokaryotic Promoter. RNA can destabilize mRNA. Single-stranded RNA can affect gene expression. Double-stranded RNA can affect gene expression. All of above. . Before their study, it is known that. Single stranded RNA can cause RNA interference. Controlling gene expression is often accomplished by controlling transcription initiation.. Regulatory proteins . bind to DNA to either block or stimulate transcription, depending on how they interact with RNA polymerase.. Drosophila. Embryos using . lacZ. Transgenes. June 18. th. ABLE 2014. University of Oregon, Eugene. Cathy Silver Key. Julie Gates. Jessica Sawyer. Kirsten . Guss. Acknowledgements. Funding from . Roberta .