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Agenda Introductions Syllabus Policy Review What is Biotechnology? General Biology Assignment One who asks a question is a fool for five minutes; One who does not ask a question remains a fool forever. Have you ever... … Had a “flu shot”? … received an insulin injection? … taken a home pregnancy test? … taken penicillin? … eaten bread or cheese? The most exciting phrase to hear in science, the one that heralds the most discoveries, is not "Eureka!" (I found it!) but "That's funny..." ~Isaac Asimov BIOTECHNOLOGY: the use of living organisms or their products to … Applications of Biotech 1. Medical • Treatment • Diagnosis • Cure? 2. Forensic 3. Agricultural Food production 4. Evolutionary Studies In US… 1,473 biotechnology companies Biotech industry employed 198,300 2003 The Biotech Industry $51 billion a year industry (2005) 165 drugs and vaccines – (370 in clinical trials) U.S. revenues $8 billion in 1992 to $39.2 billion in 2003. Diagnosis of Huntington’s Disease © 2003 John Wiley and Sons Publishers Credit: from Cell 72:971-983 Fig. 7 March 26, 1993, Copyright © 1993 Cell Press Fig 22.2b Testing for the expanded trinucleotide repeat regions in the huntingtin gene that are responsible for Huntington’s disease by PCR . Medicinal Applications -Approved Drugs Product Indication Activase (tissue plasminogen activator) heart attack Humulin (Insulin) diabetes Engerix-B (Hepatitis B Vaccine) hepatitis B infection Epogen (erythropoietin) anemia Herceptin Breast Cancer Reopro cardiac ischemia Benefix hemophilia Rituxan non-Hodgkin’s lymphoma Study of genetic variation underlying differential responses to drugs http://ehp.niehs.nih.gov/txg/members/2003/111-11/focus/header.jpg?section=toxicogenomics Gene Therapy Insert the working gene into the cells of patient 10 Plus years ago… Ashi DeSilva Enzyme deficiency No Immune System Reproductive Cloning http://www.time.com/time/moy/runnerwilmut.html Preimplantation Genetic Diagnosis (PGD) Credit: Courtesy Susan Lanzendorf, Ph.D., Jones Institute for Reproductive Medicine/Eastern Virginia Medical School © 2003 John Wiley and Sons Publishers An eight-cell human pre-embryo. Credit: Courtesy of Cellmark Diagnostics, Germantown, Maryland. Forensic Applications Fig 22.11 DNA fingerprints prepared from DNA isolated from a bloodstain at the site of a crime and from blood obtained from three individuals suspected of committing the crime. © 2003 John Wiley and Sons Publishers Plant and Animal Applications •Pesticide •Herbicide Resistance •Growth •Shelf-life Resistance to infection Production of ‘human’ protein Better growth Ecology and Evolutionary Studies Environment Industrial Applications Paper Production Food Industry Tanning Fuel APPLICATIONS Bread Wine Selective Breeding (Plants and Animals) Cheese Reproductive cloning Genetic fingerprinting Medicine Agricultural purposes (food processing) Applications Continued Gene therapy Pollution Control (Bioremediation) Mining Energy Production Forestry Aquaculture A SHORT HISTORY OF BIOTECHNOLOGY: Neolithic Age: Move from hunting/gathering to agricultural lifestyle save the seeds of the best specimens yeast for fermenting foods and beverages. 1665 Robert Hook coined term ‘cell’, thought the function of cell was transport 1675 Leeuwenhook enhanced microscopes first to observe bacteria and sperm ‘mysterious male contribution stimulating egg to grow’ 1859 Charles Darwin Natural Selection as Means of Evolution Galapagos Island Populations change as they adapt to environment New species! GENE – Never heard of it. 1866: Gregor Mendel Principles of Heredity Originated the Science of Genetics Two copies of each ‘factor’ GENE- What you talkin about Willis? •1869 Miescher discovers/isolates DNA •1928 Frederic Griffith DNA is ‘transforming principle’ •1944 Oswald Avery, Colin MacLeod, Maclyn McCarty genetic material is composed of deoxyribonucleic acid (DNA). 194? Chargaff A = T and G = C 1953 Wilkins and Franklin X-ray crystallographs of DNA 1953 Watson and Crick double helix structure of DNA 1971 Stanley Cohen and Herbert Boyer , Paul Berg Recombinant DNA technology Boyer becomes co-founder of Genentech,Inc. makes recombinant insulin. 1982. First rDNA pharmaceutical (insulin) approved for use in the U.S. 1983 Kary Mullis develops PCR (polymerase chain reaction) 1985: First environmental release of genetically engineered microorganisms ("ice-minus" bacteria) approved in the U.S. 1997: Cloning of Dolly 2000: Human Genome Project Complete Assignment Create a Profile in WebBoard Biotech News It is never to late to become What you might have been. -George Eliot Numbers 10 billion – Number of cells humans replace every day Scientific Thought for the Day Causative? Coincidental (Bystander)? Consequence? Quote A Mind Stretched by a New Idea Never Returns to Its Original Dimensions Oliver Wendell Holmes