Jack Preiss: I was born in Brooklyn, New York and wasraised mainly in the Williamsburg and Borough Park neighborhoods,with a short residency in the Manhattan East Side area atthe ages of 5 through 8. I attended Brooklyn Technical HighSchool (1945-49), graduating with a Chemistry degree. I thenattended <strong>The</strong> <strong>City</strong> <strong>College</strong> of New York (CCNY) graduating inJune <strong>1953</strong>, with a B.S. degree in Chemistry. My original objectivewas to find a reasonable paying job, such as working for achemical company. However, in the last two years at CCNY, Idid undergraduate research under the guidance of Harry Wagreichand Benjamin Harrow and they advised me to go to graduateschool. A problem at that time was the Korean War and theBrooklyn, N.Y. Draft Board. <strong>The</strong>y would not give me an extensionfor my working with a company, but, on the basis of myrecord at CCNY, they would allow me to go to graduate school. Fortunately, I had a choice to goeither to Duke University and enter their Ph.D. Biochemistry program, or remain in New York andget my Ph.D. in Chemistry at Columbia University. Despite being a confirmed New Yorker, I listenedto many people including my parents who urged me to become aware of other parts of theUSA and go to Duke University.I still remember my first trip to Durham, N.C.: an overnight train ride from Grand Central Stationin New York arriving in Durham, and then a taxi ride to the Men’s Graduate Center on campus toestablish residence. On that same day in June <strong>1953</strong>, I went to meet Dr. Handler in his office, andalso Irwin Fridovich, who was then a graduate student. It was easy to recognize that both Dr. Handlerand Irwin were CCNY graduates. I quickly learned that coming to Duke in the summer wasthe best decision I could have made, as I immediately became involved in research. With invaluableadvice and help from Irwin and expert guidance from Dr. Handler, my research progress wentsmoothly.<strong>The</strong> Department was somewhat small at that time, as the only other professors, I believe, wereGeorge Schwert and Henry Kamin, another CCNY graduate. In subsequent years, other new facultycame, notably, Seymour Korkes, Bill Byrnes, Norman Kirschner and Bob Wheat, and so it was avery thriving and active Department. Much of this of course had to do with Dr. Handler’s supervisionas Chairman. My life went well both socially and more important, research-wise. First, thepathway to nicotinamide mononucleotide (NMN) synthesis was solved, and most importantly, thefirst discovery of the ribose-P donor, pyrophosphoryl-ribose-5’-P (PRPP). Unfortunately, JohnBuchanan’s group at MIT was first to publish on this PRPP and its involvement in the synthesis ofimidazolecarboxamide ribotide, an intermediate in purine biosynthesis. Nevertheless, the studiesof NMN led to the finding of the relevant pathway of NAD synthesis, from nicotinate to nicotinatemononucleotide to deamido-NAD and finally, the novel amidation reaction catalyzed by NAD synthetase.This pathway has been referred many times as the Preiss-Handler pathway.When I told Dr. Handler in 1956 (please note I never referred or called him Phil. It was always Dr.Handler) that I believed that I had completed all my research and was eligible to receive a PhD, heindicated to me that he wanted to get 4 years of work from me. So we negotiated and agreed thatin the last year, 1956-57, I would receive a Post-doctoral salary. We then started to discuss where Ishould go to do further Post-doctoral studies and still being the confirmed New Yorker I suggested
labs in New York <strong>City</strong>. He said “NO”. He suggested, or rather, he made it very clear, that he wantedme to go to Arthur Kornberg’s lab in Washington University, St. Louis. At that time Kornberg indicatedhis lab was full, but there was a young assistant professor by the name of Paul Berg whohad space. So, I spent two years with Paul, one year at Washington University, St. Louis, 1958-1959 and one year at Stanford University, 1959—1960.I was Paul’s first Post-doctoral Fellow. Two publications in premier journals resulted from my effortsin those years; one on the chemical nature of the transfer RNA-amino acid compound formedby amino acid-activating enzymes, and the other on the enzymatic synthesis of the 3-hydroxyl terminaltri-nucleotide sequence of the amino acceptor ribonucleic acid. In 1960, the Brooklyn draftboard raised its head: since I got my Ph.D. and “loitered” as a Post-doc for two years, it was nowtime to start my military service. With the help of the people at Stanford, I was able to enlist in thePublic Health Service in Bethesda, MD and do research at the NIH for two years. This fulfilled mymilitary service obligation. I was fortunate to get in the Laboratory of Dr. Gil Ashwell. Thus, myresearch endeavors and interest shifted to carbohydrate metabolism. In Gil’s lab I studied the bacterialdegradation of uronic acids, elucidating various pathways and some structures of novel carbohydrates.It was a lot of fun and about that time, Gil suggested that I start looking for an independent position.In preparation for that, he encouraged me to start an independent research project in his laboratory.I was becoming very interested in the biosynthesis of sugar nucleotides and started on the biosynthesisof GDP-mannuronate from GDP-mannose in a bacterium that accumulated a mannuronatecontaining hetero-polymer. I also started investigating all kinds of sugar nucleotide synthetases(sugar nucleotide pyrophosphorylases). To make a long story short, I discovered that ADP-glucosepyrophosphorylase (ADPGlc PPase) in bacteria was the glucosyl donor for bacterial glycogen synthesis.This was done in my first faculty position, assistant professor in the Department of Biochemistryand Biophysics, University of California, Davis. I was there from 1962 to 1985.I rose up in the ranks, being an Associate Professor in 1965 and promoted to Full Professor in 1968.I was also Chairman of the Department 1971-74 and 1977-81. During my years at Davis, I hadmentored 17 students for their PhDs. <strong>The</strong>se students showed that the ADPGlc PPase was the regulatoryenzyme for glycogen synthesis being allosterically activated by glycolytic intermediates.<strong>The</strong> specificity of the activator varied from organism to organism and was related to the type ofcarbohydrate assimilation pathway dominant in the organism. For example, in E.coli where assimilationwas via glycolysis, fructose 1,6 bis-P was the activator. In cyanobacteria, green algae aswell as in higher plants, all oxygenic photosynthetic organisms, the activator was 3-phosphoglycerate.In 1985, I became Chairman and Full Professor in the Department of Biochemistry and MolecularBiology at Michigan State University in East Lansing. Why did I make the move from Davis toEast Lansing? As they say in the Mafia, “I received an offer I couldn’t refuse.” In 1990, I decidedI had enough of administration and retired from the Chairmanship. I have remained at MSU andtrained 8 more Ph.D. students; my last one received her Ph.D. in December 2006. During this time,1989 to present, I became involved with Associate Professor Jim Geiger in Chemistry in determiningthe crystal structures of the glycogen biosynthetic enzymes, ADPGlc PPase, glycogen synthaseand branching enzyme. Indeed, we have succeeded in obtaining the crystal structures of all threeenzymes, 2002-2009. My lab also determined what were the catalytic residues and the residues
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I think of the Main Building in ear
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HAROLD ADELSON, Ph.D.Liberal Arts &
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Alfred Baker: majored in mechanical
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public school career, was: “It do
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and especially to those who taught
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Judge Herman Cahn, B.A., J.D.: was
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- Page 59 and 60: Paul M. Parker: I was born in 1928
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