2018 May Chemical Bulletin
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Chicago Section http://chicagoacs.org MAY • 2018 THE ONE HUNDRED AND SEVENTH PRESENTATION OF THE WILLARD GIBBS MEDAL (FOUNDED BY WILLIAM A. CONVERSE) TO PROFESSOR CYNTHIA J. BURROWS sponsored by the CHICAGO SECTION of the AMERICAN CHEMICAL SOCIETY FRIDAY, MAY 11, 2018 Meridian Banquets • A History of the Willard Gibbs 1701 Algonquin Road Award by Anthony Toussaint, Rolling Meadows, IL 60008 Chicago Section Chair 847-952-8181 • Introduction of Professor Burrows by Chuan He, ON-SITE PARKING: Free University of Chicago RECEPTION WITH 6:00 - 7:00 P.M. • Presentation of the Gibbs HORS D’OEUVRES Medal by Peter Dorhout, (with two complimentary drinks) President of the American Chemical Society DINNER 7:00 - 8:30 P.M. GIBBS AWARD 8:45 – 9:45 P.M. ACS AWARD 8:30 - 8:45 P.M. LECTURE BY CEREMONY PROFESSOR BURROWS Professor Cynthia J. Burrows Dr. Cynthia Burrows, Distinguished Pro- IN THIS ISSUE fessor, Thatcher Presidential Endowed 2 Dr. Cynthia Burrows 5 Report of the Council Chair of Biological Chemistry, Department of Chemistry, University of Utah Biography 5 Rubber Stamp 3 2 Micron Analytical Services 5 Did you Know “Beyond Watson & Crick: Roles for 3 Willard Gibbs Award 6 Calendar Alternative Bases and Folds in the Ge- nome” 4 ChemShorts 6 Mass-Vac Products 4 Letter from the Chair (continued on page 2) 5/18 2 The Citation – For groundbreaking ABSTRACT BIOGRAPHY work in the chemistry of DNA damage, particularly chemical modifications relat- Less than 2% of the human genome Dr. Cynthia J. Burrows is the Thatcher ed to oxidative stress occurring on gua- codes for the amino acid sequence of Distinguished Professor of Chemistry nine, one of the bases of DNA and RNA. proteins. Why is all the rest of the DNA at the University of Utah and presently there? Some of it participates in orches- Chair of the Department of Chemistry. • Identified hyperoxidized structures trating replication, some in the protec- She was raised in St. Paul, Minnesota in DNA and elucidated their effects on tion of the ends (telomeres), and some and Boulder, Colorado. Her early train- DNA structure and biochemistry. sequences upstream of a gene (promot- ing was in physical organic chemistry ers) control whether or not a gene is ex- with Prof. Stan Cristol at the University • Investigated the chemical structures pressed as protein. All of these functions of Colorado (B. A. 1975) and Prof. Barry and mechanisms by which DNA and of DNA include guanine-rich sequences Carpenter at Cornell University (Ph.D., RNA bases, notably guanine, undergo capable of folding into G-quadruplexes, 1982), followed by a NSF-CNRS post- transformations under conditions of oxi- four-stranded folds of DNA that differ dra- doctoral fellowship in the laboratory of dative stress. matically from the classical base-pairing Prof. Jean-Marie Lehn, Université Louis scheme of the Watson-Crick double helix. Pasteur, Strasbourg (1981-83). From • Synthesized and characterized site- Furthermore, the G-rich sequences are 1983-1995, she was on the faculty at the specifically modified DNA and RNA sensitive to oxidative stress, converting to Stony Brook University, before returning strands, allowing the study of proteins modified structures including 8-oxo-7,8- west to take a position at the University that interact with modified bases such dihydroguanine (OG) and hyperoxidized of Utah in Salt Lake City in 1995. as those involved in replication, tran- lesions (Sp). Both the overall reactivity of The Burrows research group investi- scription and repair. a G residue in DNA or RNA and the final gates the chemistry and biochemistry oxidized G product formed are highly de- of modified bases in DNA and RNA with • Identified hyperoxidized hydantoin le- pendent on sequence, solvent exposure a focus on oxidative stress, an underly- sions in DNA that are highly mutagenic and mechanism. For example, oxidation ing component of age-related diseases and appear to play significant roles in of G in G-quadruplex folds leads to very such as cancer. The approach is multi- signaling for DNA repair. different outcomes compared to those in disciplinary involving the organic chem- Watson-Crick B-helical duplexes. The istry of base modification in DNA, the location of G damage in turn has a pro- enzymology of polymerase bypass and found effect on the stability of duplex vs. DNA repair, biophysical studies of the quadruplex structures. We propose that effects of base modification, single-mol- MENU G-rich sequences respond to oxidative ecule studies of DNA and RNA in nano- stress by selecting a secondary struc- pores, whole-genome sequencing and Soup: Cream of Tomato Basil Bisque ture that can best accommodate the cellular studies of synthetically modified with Bleu Cheese damaged base, and that ‘shape-shifting’ oligomers. may be used as a signaling mechanism Prof. Burrows served as Senior Editor Meridian Salad to affect transcription and repair. The of the Journal of Organic Chemistry for Choice of Entree: implications are that nucleotide identity many years and since January 2014 is - BEEF : Roast Top Sirloin with Rose- beyond the exome may be important in Editor-in-Chief of Accounts of Chemi- mary Merlot Sauce gene expression and disease, and that cal Research. She is a past recipient - SALMON : Fresh Broiled Norwegian the definition of epigenetic modifications of the Robert Parry Teaching Award and Salmon with Dill Sauce should be expanded to include guanine the University Distinguished Teaching - VEGETARIAN: Portabello Mushroom oxidation. Award; her research was recognized with with Zucchini the ACS Utah Award, ACS Cope Scholar Award, and the University of Utah’s Dis- Dessert: Hot Fudge Brownie a la mode tinguished Creative and Scholarly Re- The mission of the Chicago search Award; she is also the 2018 re- Tickets: $50 for members, $52 for non- Section of the ACS is to advance cipient of the James Flack Norris Award members the chemical sciences and their in Physical Organic Chemistry. She was practitioners for the benefit of inducted into the American Academy of RESERVATIONS: Earth and its people Arts and Sciences in 2009 and elected to the National Academy of Sciences in Dinner Registration Deadline: 12:00 2014. noon on Monday, May 7 Lecture-only Registration Deadline: 12:00 noon Wednesday, May 9 Dinner reservations are required and should be received in the Section Of- fice via phone (847-391-9091), email ([email protected]) or web- site (http://chicagoacs.org/meet- inginfo.php?id=130&ts=1521136587). PLEASE HONOR YOUR RESERVA- TIONS. The Section must pay for all dinner orders. No-shows will be billed. 5/18 3 WILLARD GIBBS AWARD 1918 William M. Burton 1919 William A. Noyes May, 2018 Vol. 105, No. 5. Published by the Chicago Section of The The Willard Gibbs Award, has been 1920 F. G. Cottrell American Chemical Society, Editorial presented by the Chicago Section of 1921 Mme. Marie Curie Staff: Paul Brandt, Editor; Ken the American Chemical Society since 1922 no award Fivizzani, Proofreader. Address: 1910. It was founded by William A. Con- 1923 Julius Stieglitz 1400 Renaissance Dr., Suite 312, verse (1862-1940), a former Chairman 1924 Gilbert N. Lewis Park Ridge, Illinois 60068; 847/391- and Secretary of the Chicago Section 1925 Moses Gomberg 9091. Subscription rates: $15 per and named for Professor Josiah Willard 1926 Sir James Colquhoun Irvine year. Frequency: monthly-September Gibbs (1839-1903) of Yale University. 1927 John Jacob Abel through June. Gibbs, whose work with Maxwell and 1928 William Draper Harkins Boltzmann developed the field of Statis- 1929 Claude Silbert Hudson tical Mechanics and is known to millions 1930 Irving Langmuir of undergraduates for Gibbs Free En- 1931 Phoebus A. Levene 1986 Jack Halpern ergy (developed in 1933), as he solved 1932 Edward Curtis Franklin 1987 Allen J. Bard the question of the maximum amount 1933 Richard Willstätter 1988 Rudolph A. Marcus of work that can be done by a system 1934 Harold Clayton Urey 1989 Richard B. Bernstein on the universe during a change in state 1935 Charles August Kraus 1990 Richard N. Zare of the system (ΔGsys=-TΔSunv) and ul- 1936 Roger Adams 1991 Günther Wilke timately the more familiar ΔG=ΔH-TΔS. 1937 Herbert Newby McCoy 1992 Harry B. Gray The purpose of the award is “To pub- 1938 Robert R. Williams 1993 Peter B. Dervan licly recognize eminent chemists who, 1939 Donald Dexter Van Slyke 1994 M. Frederick Hawthorne through years of application and devo- 1940 Vladimir Ipatieff 1995 Sir John Meurig Thomas tion, have brought to the world devel- 1941 Edward A. Doisy 1996 Fred Basolo opments that enable everyone to live 1942 Thomas Midgley, Jr. 1997 Carl Djerassi more comfortably and to understand this 1943 Conrad A. Elvehjem 1998 Mario J. Molina world better.” Gibbs was chosen to be 1944 George O. Curme, Jr. 1999 Lawrence F. Dahl the model for the award as an outstand- 1945 Frank C. Whitmore 2000 Nicholas Turro ing example of creativity in scientific in- 1946 Linus Pauling 2001 Tobin J. Marks vestigation. Medalists are selected by a 1947 Wendell M. Stanley 2002 Ralph Hirschmann national jury of twelve eminent chemists 1948 Carl F. Cori 2003 John I. Brauman from different disciplines elected by the 1949 Peter J. W. Debye 2004 Ronald Breslow Chicago Section ACS Board. The nomi- 1950 Carl S. Marvel 2005 David A. Evans nee must be a chemist who, because 1951 William Francis Giauque 2006 Jacqueline K. Barton of the preeminence of their work in and 1952 William C. Rose 2007 Sylvia T. Ceyer contribution to pure or applied chemistry, 1953 Joel H. Hildebrand 2008 Carolyn R. Bertozzi is deemed worthy of special recognition. 1954 Elmer K. Bolton 2009 Louis Brus Mr. Converse supported the award per- 1955 Farrington Daniels 2010 Maurice Brookhart sonally for a number of years, and then 1956 Vincent du Vigneaud 2011 Robert G.