21. Leland H. Hartwell - Wikipedia, Wolna Encyklopedia (Przekierowano z Leland Hartwell). Leland H. Hartwell (ur. 30 pazdziernika 1939w Los Angeles), biochemik amerykanski, laureat Nagrody Nobla w dziedzinie http://pl.wikipedia.org/wiki/Leland_Hartwell

Leland H. Hartwell Z Wikipedii, wolnej encyklopedii. (Przekierowano z Leland Hartwell Leland H. Hartwell (ur. 30 października w Los Angeles ), biochemik amerykański , laureat Nagrody Nobla w dziedzinie medycyny Jest dyrektorem Centrum Badań nad Rakiem im. Freda Hutchinsona w Seattle W otrzymał prestiżowÄ amerykańskÄ Nagrodę Laskera , razem z Brytyjczykiem Paulem Nurse i Japończykiem Yoshio Masui . W razem z Nurse i Timothy Huntem został laureatem Nagrody Nobla za odkrycia dotyczÄ ce kontroli cyklu kom³rkowego, pozwalajÄ ce stworzyć nowe możliwości w terapii raka. Źr³dło: " http://pl.wikipedia.org/wiki/Leland_H._Hartwell Kategorie Amerykanie Biochemicy ... Nobliści - fizjologia i medycyna Views artykuł dyskusja edytuj historia osobiste Logowanie nawigacja Strona gł³wna Portal wikipedyst³w BieÅ¼Ä ce wydarzenia Ostatnie zmiany ... Dary pieniężne Szukaj narzędzia LinkujÄ ce Zmiany w dolinkowanych Prześlij plik Strony specjalne ... Link do tej wersji W innych językach Deutsch English Espa±ol Svenska Tę stronę ostatnio zmodyfikowano o 23:59, 16 cze 2005 Treść udostępniana na licencji GNU Free Documentation License O Wikipedii Informacje prawne

22. Leland H. Hartwell - Wikipedia, Den Fria Encyklopedin Leland H. Hartwell. Född 1939. Amerikansk Nobelpristagare i fysiologi ellermedicin år 2001. Han tilldelades priset för sina upptäckter rörande kontrollen http://sv.wikipedia.org/wiki/Leland_H_Hartwell

Leland H. Hartwell Fr¥n Wikipedia, den fria encyklopedin. (Omdirigerad fr¥n Leland H Hartwell Nobelpriset i fysiologi eller medicin Leland H. Hartwell . F¶dd . Amerikansk Nobelpristagare i fysiologi eller medicin ¥r . Han tilldelades priset f¶r sina " uppt¤ckter r¶rande kontrollen av cellcykeln ". Han delade priset med engelsm¤nnen Tim Hunt och Sir Paul Nurse Hartwell doktorsexamen vid Massachusetts Institute of Technology blev han professor vid University of Washington. Fr¥n ¤r han President och Director vid Fred Hutchinson Cancer Research Center. Cellerna i kroppen har alla uppst¥tt genom delning fr¥n en enda cell, den befruktade ¤ggcellen. „ven hos vuxna delar sig st¤ndigt en enorm m¤ngd celler f¶r att ers¤tta de som d¶r. F¶r att en cell ska kunna dela sig m¥ste den tillv¤xa i storlek, kopiera sin arvsmassa och exakt f¶rdela den till dottercellerna. Dessa processer samordnas i den s k cellcykeln Hartwell uppt¤ckte en av en klass gener som kontrollerar cellcykeln. En av dessa gener har en central roll f¶r att s¤tta ig¥ng varje ny cellcykel och kallas d¤rf¶r "start". Hartwell inf¶rde ocks¥ begreppet kontrollstationer ("checkpoints") som inneb¤r att cellcykeln stannar upp n¤r cellens DNA uts¤tts f¶r skada. Syftet ¤r att arvsmassan ska hinna repareras innan cellen g¥r vidare till n¤sta fas i cellcykeln. Sir Paul Nurse identifierade en av nyckelkomponenterna i kontrollen av cellcykeln, CDK (cyklinberoende kinas). Han visade att CDK har bevarat sin funktion genom evolutionen. CDK driver cellcykeln genom att kemiskt p¥verka (fosforylera) andra proteiner.

23. Leland H. Hartwell - Wikipedia Translate this page NAME, Hartwell, Leland H. ALTERNATIVNAMEN. KURZBESCHREIBUNG, Biochemiker undKrebsforscher, ist Direktor des Fred Hutchinson Cancer Research Center an der http://de.wikipedia.org/wiki/Leland_H._Hartwell

Leland H. Hartwell aus Wikipedia, der freien Enzyklop¤die Leland H. Hartwell 30. Oktober in Los Angeles Biochemiker und Krebsforscher, ist Direktor des Fred Hutchinson Cancer Research Center an der University of Seattle. Im Jahr erhielt er gemeinsam mit R. Timothy Hunt und Paul M. Nurse den Nobelpreis f¼r Medizin, f¼r die Entdeckung maŸgeblicher Regulatoren f¼r den Ablauf der Zellteilung Inhaltsverzeichnis Leben Entdeckungen zum Ablauf der Zellteilung Akademische Auszeichnungen Weblinks ... Bearbeiten Leben Hartwell zeigte bereits als Kind lebhaftes Interesse an Biologie, verbunden mit dem Verlangen nach gr¼ndlichem Verst¤ndnis der beobachteten Ph¤nomene. Als erster in seiner Familie begann er ein Studium, zun¤chst der Physik, wechselte aber bald zur Biologie. Nach dem AbschluŸ am California Institute of Technologie wechselte er zum Massachusetts Institute of Technology an das Institut von Boris Magasinik, wo er 1964 promovierte. Sein Promotionsthema war: "Studies on the induction of histidase in Bacillus subtilis". Nach weiteren Forschungsarbeiten am Salk Institute for Biological Studies wechselte er 1965 auf eine Assistenzprofessur an der University of California in Irvine und 1968 an die University of Washington in Seattle, wo er 1973 eine Professur f¼r Genetik antrat. Seit 1997 ist er dort Direktor des

24. Leland H. Hartwell - Autobiography leland H. hartwell I don t remember much about my early childhood. I am told thatbefore I began school, my older cousin would return from her school and http://nobelprize.org/medicine/laureates/2001/hartwell-autobio.html

HOME SITE HELP ABOUT SEARCH ... Howard Temin and Bob Edgar. Another feature of the Cal Tech undergraduate education was the opportunity to take credits as reading which I did most quarters, reading the original literature in phage genetics and gene regulation. I graduated in 1961 and went to MIT for graduate school. I had decided that I wanted to work on gene regulation and I knew of only two prominent labs in the US, Arthur Pardee at Berkeley, and Boris Magasanik, at MIT. I visited Arthur Pardee at Berkeley and he was not encouraging so I went to MIT. Being a graduate student at MIT was great fun and very intense. Boris Magasanik would come through the lab each afternoon and stop at each desk to discuss the previous day's results. I wanted a new result each day so that set quite a pace! I was there only about two and a half years when Boris came to me and said that I had essentially finished my thesis but since no one could leave that soon I would have to stay another year. By this time had published their famous work on the lac operon and I figured that gene regulation was pretty well understood. I thought it appropriate to do my postdoctoral work on something much less well understood and I decided to work on the control of cell growth. Going to the literature again, I was most impressed with the work coming out of

25. Medicine 2001 leland H. hartwell, R. Timothy (Tim) Hunt, Sir Paul M. Nurse. leland H. hartwell,R. Timothy (Tim) Hunt, Sir Paul M. Nurse. third 1/3 of the prize http://nobelprize.org/medicine/laureates/2001/

HOME SITE HELP ABOUT SEARCH ... EDUCATIONAL The Nobel Prize in Physiology or Medicine 2001 "for their discoveries of key regulators of the cell cycle" Leland H. Hartwell R. Timothy (Tim) Hunt Sir Paul M. Nurse 1/3 of the prize 1/3 of the prize 1/3 of the prize USA United Kingdom United Kingdom Fred Hutchinson Cancer Research Center Seattle, WA, USA Imperial Cancer Research Fund London, United Kingdom Imperial Cancer Research Fund London, United Kingdom b. 1939 b. 1943 b. 1949 The Nobel Prize in Physiology or Medicine 2001 Press Release Presentation Speech Educational ... Other Resources The 2001 Prize in: Physics Chemistry Physiology or Medicine Literature ... Economic Sciences Find a Laureate: Nobelprize.org Get to know all 770 Prize Winners! » Games and Simulations » SITE FEEDBACK ... TELL A FRIEND Last modified April 11, 2005

26. HARTWELL, LELAND H. - CIRS leland H. hartwell is widely recognized as a pioneer in the field of yeast geneticsand cancer research. Since then, his discoveries have profoundly http://www.cirs-tm.org/researchers/researchers.php?id=373

27. MSN Encarta - Hartwell, Leland H. hartwell, leland H., born in 1939, American geneticist and cowinner of the 2001 Other Features from Encarta. Search Encarta for hartwell, leland H. http://encarta.msn.com/encyclopedia_701505582/Hartwell_Leland_H.html

MSN Home My MSN Hotmail Shopping ... Sign In Web Search: Encarta Subscriber Sign In Help Home ... Upgrade your Encarta Experience Search Encarta Subscription Article MSN Encarta Premium: Get this article, plus 60,000 other articles, an interactive atlas, dictionaries, thesaurus, articles from 100 leading magazines, homework tools, daily math help and more for $4.95/month or $29.95/year (plus applicable taxes.) Learn more. This article is exclusively available for MSN Encarta Premium Subscribers. Already a subscriber? Sign in above. Hartwell, Leland H. Hartwell, Leland H. , born in 1939, American geneticist and cowinner of the 2001 Nobel Prize in physiology or medicine for discoveries about key... Related Items Nobel Prize cowinners table of Nobel Prize winners 4 items Want more Encarta? Become a subscriber today and gain access to: Daily Math Help Literature Guides Researcher Tools Paper-Writing Guides 60,000 + articles Interactive Atlas Magazine Center Find more about Hartwell, Leland H. from Other Features from Encarta Search Encarta for Hartwell, Leland H. © 2005 Microsoft MSN Privacy Legal Advertise Feedback ... Help

28. Hartwell, Leland H. hartwell, leland H. (1939). leland H. hartwell, born October 30, 1939 AddressFred Hutchinson Cancer Research Center, 1100 Fairview Avenue North, D1-060, http://www.cartage.org.lb/en/themes/Biographies/MainBiographies/H/Hartwell/Hartw

Hartwell, Leland H. Leland H. Hartwell, born October 30, 1939 Address: Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue North, D1-060, Seattle, WA 98109-1024, USA Academic Education and Appointments: 1961 B.S. California Institute of Technology 1964 Ph.D. Massachusetts Institute of Technology 1965-68 Associate Professor, University of California 1997 President and Director, Fred Huthcinson Cancer Research Center Selected Honours and Awards: 1987 Member of the US National Academy of Sciences 1991 General Motors Sloan Award 1992 Gairdner Foundation International Award 1994 Genetics Society of America Medal 1998 The Albert Lasker Basic Medical Research Award

29. Leland H. Hartwell Winner Of The 2001 Nobel Prize In Physiology Or Medicine leland H. hartwell, the 2001 Nobel Prize Laureate in Physiology or Medicine, atthe Nobel Prize Internet Archive. http://almaz.com/nobel/medicine/2001a.html

L ELAND H. H ARTWELL Nobel Laureate in Physiology or Medicine for their discoveries of "key regulators of the cell cycle." Background Born: October 30, 1939 Place of birth: Los Angeles, CA, USA Residence: U.S.A. Affiliation: Fred Hutchinson Cancer Research Center Address: Fred Hutchinson Cancer Research Center University of Washington, Seattle 1100 Fairview Ave N; D1-060 Seattle, WA 98109 Telephone: (206) 667-5670 FAX: (206) 667-5268 E-mail: lhartwel@fhcrc.org Education: California Institute of Technology , B.S. 1961 Massachusetts Institute of Technology , Ph.D. 1964 Book Store Genomic Instability and Immortality in Cancer (Pezcoller Foundation Symposia, 8) The Harvey Lectures Series 90 Genetics: From Genes to Genomes Solutions Manual/Study Guide t/a Genetics: From Genes to Genomes ... Books on Regulators of the Cell Cycle Featured Internet Links Prize co-recipient: R. Timothy Hunt Prize co-recipient: Paul M. Nurse PubMedline search results for this laureate Web Page at Fred Hutchinson Cancer Research Center ... Official award announcement and background Search WWW Search The Nobel Prize Internet Archive Links added by Nobel Internet Archive visitors CNN story Fred Hutchinson Genomic Instability and Immortality in Cancer (Pezcoller Foundation Symposia, 8) - find the lowest price

30. Encyclopedia: Leland H. Hartwell Other descriptions of leland H. hartwell. leland H. hartwell (born October 30,1939, in Los Angeles, California) is president and director of the Fred http://www.nationmaster.com/encyclopedia/Leland-H.-Hartwell

Supporter Benefits Signup Login Sources ... Pies Related Articles People who viewed "Leland H. Hartwell" also viewed: E. Donnall Thomas Kyoto Prize Elwood V. Jensen Abel Prize ... Alan Kay What's new? Our next offering Latest newsletter Student area Lesson plans Recent Updates Zheng He Zeus Yukon general election, 2006 Yoji Biomehanika ... More Recent Articles Top Graphs Richest Most Murderous Most Taxed Most Populous ... More Stats Encyclopedia: Leland H. Hartwell Updated 215 days 22 hours 48 minutes ago. Other descriptions of Leland H. Hartwell Leland H. Hartwell (born October 30 , in Los Angeles California ) is president and director of the Fred Hutchinson Cancer Research Center in Seattle, Washington He won the Nobel Prize in physiology or medicine for his understanding of the cell cycle through years of studying yeast Categories Stub 1939 births ... Nobel Prize in Physiology or Medicine winners Click for other authoritative sources for this topic (summarised at Factbites.com) The Wikipedia article included on this page is licensed under the GFDL Usage implies agreement with terms

31. National Academy Of Sciences - Members hartwell, leland H. Fred Hutchinson Cancer Research Center. hartwell is anacknowledged expert on the molecular genetics and development of yeast. http://www4.nationalacademies.org/nas/naspub.nsf/(urllinks)/NAS-58N2V3?opendocum

32. 2001 Nobel Laureate Visits IMCB , Professor Leland H. Hartwell %3Cimg+border%3D%220%22+src%3D%22%3C%3Fphp+print+%24URL%5B%22ROOT%22%5D%3B+%3F%3E%2Fnews_and_events%2Fnews_room%2FLelandHartwell.jpg%22%3EAbstract%3Cbr% http://www.imcb.a-star.edu.sg/news_and_events/news_room/6000000136_article.html

path="/"; What's New News Room Press Releases Events ... Photo Gallery News Room 15 Nov 2002 2001 Nobel Laureate Visits IMCB , Professor Leland H. Hartwell Abstract IMCB welcomed Professor Leland H. Hartwell as a guest today when he talked informally to Drs Uttam Surana and Ming Jie Cai about yeast genetics and then shared a buffet lunch with Principal Investigators from the Institute. Prof Hartwell won the 2001 Nobel Prize for medicine together with Tim Hunt and Paul Nurse from England for basic discoveries in cell development. The president and director of the Fred Hutchinson Cancer Research Center and professor of genetics at University of Washington in Seattle then became immortalized as one of the great thinkers in science. The Nobel Prize recognized Hartwell's 34 years of pathfinding research on the development of yeast cells and the cell division process. Known as an innovator he said when he started doing work on yeast he felt 'alone in the woods'. The yeast-related research of Prof Hartwell and his colleagues is being used at the Hutchinson Center to develop drugs for use against cancer and other diseases. Previous awards were the Gairdner Foundation International Award for Achievements in Science in 1992 and Albert Lasker Award for basic medical research in 1998. The Lasker Prize has been considered a good indicator for a later Nobel Prize.

33. Leland H. Hartwell -- Facts, Info, And Encyclopedia Article leland H. (Lee) hartwell (born October 30 1939, in (A city in southern California;motion picture leland H. hartwell, Joseph Culotti, and Brian Reid. http://www.absoluteastronomy.com/encyclopedia/L/Le/Leland_H._Hartwell.htm

Leland H. Hartwell [Categories: American scientists, Nobel Prize in Physiology or Medicine winners, 1939 births] Leland H. (Lee) Hartwell (born October 30 1939, in (A city in southern California; motion picture capital of the world; most populous city of California and second largest in the United States) Los Angeles (A state in the western United States on the Pacific; the 3rd largest state; known for earthquakes) California ) is president and director of the (Click link for more info and facts about Fred Hutchinson Cancer Research Center) Fred Hutchinson Cancer Research Center in (Click link for more info and facts about Seattle, Washington) Seattle, Washington . He won the 2001 (Click link for more info and facts about Nobel Prize in Physiology or Medicine) Nobel Prize in Physiology or Medicine for his contributions to the understanding of the (Click link for more info and facts about cell cycle) cell cycle through years of studying (Any of various single-celled fungi that reproduce asexually by budding or division) yeast . Co-recipients of the 2001 Nobel Prize in Physiology or Medicine were (Click link for more info and facts about Paul Nurse) Paul Nurse and (Click link for more info and facts about Tim Hunt) Tim Hunt , whose research focused on the (Click link for more info and facts about cyclin) cyclin s and other aspects of (The process in reproduction and growth by which a cell divides to form daughter cells) cell division Hartwell received his bachelor's degree from the (Click link for more info and facts about California Institute of Technology)

34. E-LIS - Title, Scientometric portrait of Nobel laureate leland H. hartwell Highest collaboration coefficient (1) for leland H. hartwell was found during http://eprints.rclis.org/archive/00001442/fullmetadata.html

   home       about       search       browse    ...    JITA    This is complete contents of all the fields in this eprint: ID Code: Type: Conference Paper Deposited By: Angadi, Mallikarjun Deposited On: 30 May 2004 Status: Published Refereed: Yes Public Domain: Yes Authors: Angadi, Mallikarjun and Koganuramath, M. M. and Kademani, B. S. and Kalyane, V. L. and Sen, B. K. Title: Scientometric portrait of Nobel laureate Leland H. Hartwell Subjects: B. Information use and sociology of information. BB. Bibliometric methods. Year: Abstract: Conference: International Workshop on Webometrics, Informetrics and Scientometrics Pages: pp. 10-30 Conference Date: 2-5 March 2004 Location: Roorkee, India Volume: Volume UNSPECIFIED Number: Number UNSPECIFIED Editors: Editors UNSPECIFIED Publisher: Indian Institute of Technology Alternative Locations: Alternative Locations UNSPECIFIED Keywords: Scientometric portrait, Scientometrics, Individual scientist, Publication productivity, Research collaboration, Bio-bibliometrics Language: English Country: ASIA India References: Schubert (A); Glanzel (W). The 100 most frequent family names among science authors 1981-85. Psientometrics, Vol. 60; 1992; p3.

35. 2001 Nobel Laureate Leland H. Hartwell To Give University Of Pittsburgh School O 2001 NOBEL LAUREATE leland H. hartwell TO GIVE UNIVERSITY OF PITTSBURGH SCHOOL OF PITTSBURGH, May 06, 2002 – leland H. hartwell, PhD, president and http://www.upmccancercenters.com/news/upci_news/2002/050602_medschool_mellon.htm

Search News and Events Back 2001 NOBEL LAUREATE LELAND H. HARTWELL TO GIVE UNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE'S 82nd MELLON LECTURE PITTSBURGH, May 06 Leland H. Hartwell, PhD, president and director of the Fred Hutchinson Research Center at the University of Washington, will present the University of Pittsburgh School of Medicine's 82nd Mellon Lecture at 4 p.m. Monday, June 10, in Lecture Room 6, Scaife Hall, 3550 Terrace St., Oakland. Dr. Hartwell's lecture was originally scheduled as part of last September's Science 2001 - A Research Odyssey, a showcase of research at the University of Pittsburgh. After completing his PhD at M.I.T., Dr. Hartwell began his professional research at the Salk Institute, but it wasn't until he moved to the University of California at Irvine that he began his work with yeast. In 1996, he joined the Fred Hutchinson Cancer Research Center and the faculty of the University of Washington as a professor of genetics. Dr. Hartwell has received numerous awards and honors over the course of his career including the Brandeis University Rosensteil Award, the Sloan-Kettering Cancer Center Katherine Berkan Judd Award, the Genetics Society of America Medal, the MGH Warren Triennial Prize, the Columbia University Horwitz Award, the Passano Award and the Albert Lasker Award for medical research.

36. Der Nobelpreis Für Physiologie Oder Medizin: Leland H. Hartwell Schlüsselregulatoren beim Zellzyklus ( gemeinsam mit R. Timothy Hunt und Sir Paul M. http://www.nobelpreis.org/medizin/hartwell.htm

vor suchen Home Chemie ... Wirtschaft Leland H. Hartwell (USA) "Für ihre Entdeckungen im Bereich der Schlüsselregulatoren beim Zellzyklus" ( gemeinsam mit R. Timothy Hunt und Sir Paul M. Nurse

37. HUM-MOLGEN: Leland H. Hartwell, R. Timothy Hunt And Paul M. Nurse Receive The No news section of the international communication forum in human genetics hummolgen. http://hum-molgen.org/NewsGen/10-2001/msg13.html

home genetic news bioinformatics biotechnology ... register for news alert Leland H. Hartwell, R. Timothy Hunt and Paul M. Nurse receive the Nobel Prize in Medicine October, 8 2001 13:56 Press release: http://www.nobel.se/medicine/laureates/2001/press.html Summary All organisms consist of cells that multiply through cell division. An adult human being has approximately 100 000 billion cells, all originating from a single cell, the fertilized egg cell. In adults there is also an enormous number of continuously dividing cells replacing those dying. Before a cell can divide it has to grow in size, duplicate its chromosomes and separate the chromosomes for exact distribution between the two daughter cells. These different processes are coordinated in the cell cycle. This year's Nobel Laureates in Physiology or Medicine have made seminal discoveries concerning the control of the cell cycle. They have identified key molecules that regulate the cell cycle in all eukaryotic organisms, including yeasts, plants, animals and human. These fundamental discoveries have a great impact on all aspects of cell growth. Defects in cell cycle control may lead to the type of chromosome alterations seen in cancer cells. This may in the long term open new possibilities for cancer treatment. Leland Hartwell (born 1939), Fred Hutchinson Cancer Research Center, Seattle, USA, is awarded for his discoveries of a specific class of genes that control the cell cycle. One of these genes called "start" was found to have a central role in controlling the first step of each cell cycle. Hartwell also introduced the concept "checkpoint", a valuable aid to understanding the cell cycle.

38. Profile University of Washington. College of Arts and Sciences. Genetics. ProfessorAppointed1973. Professional Headshot of leland H. hartwell http://myprofile.cos.com/hartwell46

Leland H. Hartwell powered by COS Expertise Fred Hutchinson Cancer Research Center Human Biology Division President Appointed: 1997 Fred Hutchinson Cancer Research Center Human Biology Division Director Appointed: 1997 University of Washington College of Arts and Sciences Genetics Professor Appointed: 1973 Mailing Address Fred Hutchinson Cancer Research Center 1100 Fairview Avenue N., D1-060 P.O. Box 19024 Seattle, Washington 98109-1024 United States Contact Information Phone: (206) 667-5670 Fax: (206) 667-5268 lhartwel@fhcrc.org Qualifications Ph.D., Massachusetts Institute of Technology, 1964. Expertise and Research Interests Keywords COS Keywords: Cancer Biology, Evolution, Genetics. Additional Terms: Maintenance and Expression of Genetic Variation in Yeast. Publications Hartman JL,Garvik B,Hartwell L,Principles for the Buffering of Genetic Variation. Science. 291:1001-1004. 9 Feb 2001. Simon JA, Szankasi P, Nguyen DK, Ludlow C, Dunstan HM, Roberts CJ, Jensen EL, Hartwell LH, Friend SH,Differential toxicities of anticancer agents among DNA repair and checkpoint mutants of Saccharomyces cerevisiae. Cancer Research. 60(2):328-33. Jan 2000. Hartwell, L.H., Hopfield, J.J., Leibler, S., Murray, A.W.,From molecular to modular cell Biology. Nature 402 supplement. 6761:C47-C52. 1999.

39. PNRI | About Leland H. Hartwell, Ph. D. leland H. hartwell, Ph. D. In 2001, Dr. leland hartwell received the Nobel Prizein Physiology and Medicine for his pioneering discoveries of the mechanisms http://www.pnri.org/seminars/lang-vir/2004/hartwell.html

Seminar Schedule Annual Langerhans-Virchow Lecture Dr. Hartwell will give the 2004 Langerhans-Virchow Lecture About Leland H. Hartwell, Ph. D. In 2001, Dr. Leland Hartwell received the Nobel Prize in Physiology and Medicine for his pioneering discoveries of the mechanisms of cell division. Using the budding yeast that is essential for brewing beer and baking bread, Dr. Hartwell identified many genes that control cell division. These same genes that operate in yeast have subsequently been found to control cell division in humans and to play key roles in the development of cancer. In his work with yeast, Dr. Hartwell also discovered a critical new class of gene: "checkpoint" genes. These genes react to mistakes that have been made during cellular reproduction by halting cell division so that repair can take place. Dr. Hartwell was educated at the California Institute of Technology and the Massachusetts Institute of Technology. He has held research appointments at the Salk Institute and at the University of California, Irvine, in addition to holding a position as professor of genome sciences at the University of Washington since 1973. In 1997, he became the President and Director of the Fred Hutchinson Cancer Research Center in Seattle. In addition to the Nobel Prize, Dr. Hartwell has received many other national and international scientific awards, including the Albert Lasker Basic Medical Research Award, the Gairdner Foundation International Award and the Alfred P. Sloan Award in cancer research. He is also a member of the National Academy of Sciences.

40. News Of Tsinghua University-Nobel Prize Winner Prof. Leland H leland H. hartwell Awarded Honorary Professor of Tsinghua. Prof. leland H.hartwell, the Nobel Prize Winner of 2001 in Physiology or Medicine and President http://news.tsinghua.edu.cn/eng__news.php?id=623

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