The 1999 GSA Honors and Awards
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Barbara Mcclintock
Barbara McClintock Lee B. Kass and Paul Chomet Abstract Barbara McClintock, pioneering plant geneticist and winner of the Nobel Prize in Physiology or Medicine in 1983, is best known for her discovery of transposable genetic elements in corn. This chapter provides an overview of many of her key findings, some of which have been outlined and described elsewhere. We also provide a new look at McClintock’s early contributions, based on our readings of her primary publications and documents found in archives. We expect the reader will gain insight and appreciation for Barbara McClintock’s unique perspective, elegant experiments and unprecedented scientific achievements. 1 Introduction This chapter is focused on the scientific contributions of Barbara McClintock, pioneering plant geneticist and winner of the Nobel Prize in Physiology or Medicine in 1983 for her discovery of transposable genetic elements in corn. Her enlightening experiments and discoveries have been outlined and described in a number of papers and books, so it is not the aim of this report to detail each step in her scientific career and personal life but rather highlight many of her key findings, then refer the reader to the original reports and more detailed reviews. We hope the reader will gain insight and appreciation for Barbara McClintock’s unique perspective, elegant experiments and unprecedented scientific achievements. Barbara McClintock (1902–1992) was born in Hartford Connecticut and raised in Brooklyn, New York (Keller 1983). She received her undergraduate and graduate education at the New York State College of Agriculture at Cornell University. In 1923, McClintock was awarded the B.S. -
Germ-Line Gene Editing and Congressional Reaction in Context: Learning from Almost 50 Years of Congressional Reactions to Biomedical Breakthroughs
Journal of Law and Health Volume 30 Issue 1 Article 2 7-1-2017 Germ-Line Gene Editing and Congressional Reaction in Context: Learning From Almost 50 Years of Congressional Reactions to Biomedical Breakthroughs Russell A. Spivak, J.D. Harvard Law School I. Glenn Cohen, J.D. Harvard Law School Eli Y. Adashi, M.D., M.S. Brown University Follow this and additional works at: https://engagedscholarship.csuohio.edu/jlh Part of the Bioethics and Medical Ethics Commons, Cells Commons, Genetic Processes Commons, Health Law and Policy Commons, Medical Genetics Commons, Medical Jurisprudence Commons, Science and Technology Law Commons, and the Tissues Commons How does access to this work benefit ou?y Let us know! Recommended Citation Russell A. Spivak, J.D.; I. Glenn Cohen, J.D.; and Eli Y. Adashi, M.D., M.S., Germ-Line Gene Editing and Congressional Reaction in Context: Learning From Almost 50 Years of Congressional Reactions to Biomedical Breakthroughs, 30 J.L. & Health 20 (2017) available at https://engagedscholarship.csuohio.edu/jlh/vol30/iss1/2 This Article is brought to you for free and open access by the Journals at EngagedScholarship@CSU. It has been accepted for inclusion in Journal of Law and Health by an authorized editor of EngagedScholarship@CSU. For more information, please contact [email protected]. GERM-LINE GENE EDITING AND CONGRESSIONAL REACTION IN CONTEXT: LEARNING FROM ALMOST 50 YEARS OF CONGRESSIONAL REACTIONS TO BIOMEDICAL BREAKTHROUGHS RUSSELL A. SPIVAK, J.D., HARVARD LAW SCHOOL, CLASS OF 2017 I. GLENN COHEN J.D., PROFESSOR OF LAW, HARVARD LAW SCHOOL, CO-DIRECTOR, PETRIE- FLOM CENTER FOR HEALTH LAW POLICY, BIOTECHNOLOGY, AND BIOETHICS, HARVARD UNIVERSITY, CAMBRIDGE, MA. -
From Controlling Elements to Transposons: Barbara Mcclintock and the Nobel Prize Nathaniel C
454 Forum TRENDS in Biochemical Sciences Vol.26 No.7 July 2001 Historical Perspective From controlling elements to transposons: Barbara McClintock and the Nobel Prize Nathaniel C. Comfort Why did it take so long for Barbara correspondence. From these and other to prevent her controlling elements from McClintock (Fig. 1) to win the Nobel Prize? materials, we can reconstruct the events moving because their effects were difficult In the mid-1940s, McClintock discovered leading up to the 1983 prize*. to study when they jumped around. She genetic transposition in maize. She What today are known as transposable never had any inclination to pursue the published her results over several years elements, McClintock called ‘controlling biochemistry of transposition. and, in 1951, gave a famous presentation elements’. During the years 1945–1946, at Current understanding of how gene at the Cold Spring Harbor Symposium, the Carnegie Dept of Genetics, Cold activity is regulated, of course, springs yet it took until 1983 for her to win a Nobel Spring Harbor, McClintock discovered a from the operon, François Jacob and Prize. The delay is widely attributed to a pair of genetic loci in maize that seemed to Jacques Monod’s 1960 model of a block of combination of gender bias and gendered trigger spontaneous and reversible structural genes under the control of an science. McClintock’s results were not mutations in what had been ordinary, adjacent set of regulatory genes (Fig. 2). accepted, the story goes, because women stable alleles. In the term of the day, they Though subsequent studies revealed in science are marginalized, because the made stable alleles into ‘mutable’ ones. -
Balcomk41251.Pdf (558.9Kb)
Copyright by Karen Suzanne Balcom 2005 The Dissertation Committee for Karen Suzanne Balcom Certifies that this is the approved version of the following dissertation: Discovery and Information Use Patterns of Nobel Laureates in Physiology or Medicine Committee: E. Glynn Harmon, Supervisor Julie Hallmark Billie Grace Herring James D. Legler Brooke E. Sheldon Discovery and Information Use Patterns of Nobel Laureates in Physiology or Medicine by Karen Suzanne Balcom, B.A., M.L.S. Dissertation Presented to the Faculty of the Graduate School of The University of Texas at Austin in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy The University of Texas at Austin August, 2005 Dedication I dedicate this dissertation to my first teachers: my father, George Sheldon Balcom, who passed away before this task was begun, and to my mother, Marian Dyer Balcom, who passed away before it was completed. I also dedicate it to my dissertation committee members: Drs. Billie Grace Herring, Brooke Sheldon, Julie Hallmark and to my supervisor, Dr. Glynn Harmon. They were all teachers, mentors, and friends who lifted me up when I was down. Acknowledgements I would first like to thank my committee: Julie Hallmark, Billie Grace Herring, Jim Legler, M.D., Brooke E. Sheldon, and Glynn Harmon for their encouragement, patience and support during the nine years that this investigation was a work in progress. I could not have had a better committee. They are my enduring friends and I hope I prove worthy of the faith they have always showed in me. I am grateful to Dr. -
Robert Lee Metzenberg Jr. 1930—2007
NATIONAL ACADEMY OF SCIENCES ROBE R T LEE METZENBE R G J R . 1 9 3 0 — 2 0 0 7 A Biographical Memoir by ROWLAND H. DAVIS AND E R IC U. SELKE R Any opinions expressed in this memoir are those of the authors and do not necessarily reflect the views of the National Academy of Sciences. Biographical Memoir COPYRIGHT 2008 NATIONAL ACADEMY OF SCIENCES WASHINGTON, D.C. ROBERT LEE METZENBERG JR. June 11, 1930–July 15, 2007 ROWLAND H . DAVIS AND E RIC U. SELKE R N PERFORMING OVER A half century of work on the genetics, Ibiochemistry, and molecular biology of the fungus Neuros- pora crassa, Robert Metzenberg distinguished himself as an exceptionally broad and creative investigator. Neurospora was established as a model organism in the 1930s and 1940s as a result of B. O. Dodge’s study of its life cycle and Beadle’s and Tatum’s Nobel-prize-winning work dissecting biochemical pathways (Davis and Perkins, 2002). Metzenberg was one of a few researchers who stimulated the popularity of the organ- ism for the rest of the 20th century, making contributions that extended into many areas of modern biology. His early studies of the pathways of sulfur and phosphate acquisition in Neurospora concentrated on mechanisms of positive control of gene activity and resulted in the discovery of complex cascade regulatory systems. Metzenberg and his colleagues also showed that the 5S rRNA genes of Neurospora are dispersed among its chromosomes rather than being clustered, as in previously described eukaryotes. He then used the dispersed 5S genes to construct molecular maps of the N. -
Nobel Laureates in Physiology Or Medicine
All Nobel Laureates in Physiology or Medicine 1901 Emil A. von Behring Germany ”for his work on serum therapy, especially its application against diphtheria, by which he has opened a new road in the domain of medical science and thereby placed in the hands of the physician a victorious weapon against illness and deaths” 1902 Sir Ronald Ross Great Britain ”for his work on malaria, by which he has shown how it enters the organism and thereby has laid the foundation for successful research on this disease and methods of combating it” 1903 Niels R. Finsen Denmark ”in recognition of his contribution to the treatment of diseases, especially lupus vulgaris, with concentrated light radiation, whereby he has opened a new avenue for medical science” 1904 Ivan P. Pavlov Russia ”in recognition of his work on the physiology of digestion, through which knowledge on vital aspects of the subject has been transformed and enlarged” 1905 Robert Koch Germany ”for his investigations and discoveries in relation to tuberculosis” 1906 Camillo Golgi Italy "in recognition of their work on the structure of the nervous system" Santiago Ramon y Cajal Spain 1907 Charles L. A. Laveran France "in recognition of his work on the role played by protozoa in causing diseases" 1908 Paul Ehrlich Germany "in recognition of their work on immunity" Elie Metchniko France 1909 Emil Theodor Kocher Switzerland "for his work on the physiology, pathology and surgery of the thyroid gland" 1910 Albrecht Kossel Germany "in recognition of the contributions to our knowledge of cell chemistry made through his work on proteins, including the nucleic substances" 1911 Allvar Gullstrand Sweden "for his work on the dioptrics of the eye" 1912 Alexis Carrel France "in recognition of his work on vascular suture and the transplantation of blood vessels and organs" 1913 Charles R. -
Salome Gluecksohn-Waelsch 1907–2007
OBITUARY Salome Gluecksohn-Waelsch 1907–2007 Lee Silver Salome Waelsch, university professor emerita at Albert Einstein her embryological expertise with newfound genetic knowledge from College of Medicine in the Bronx, New York, died on November 7, her Columbia colleagues. In a series of papers published from 1938 2007, just a month after her 100th birthday. She was a remarkable onward, Salome presented a model for the action of the T-locus woman who persevered against Nazi anti-Semitism and Ivy League product as an inducer of mesoderm and axial development. Her sexism to establish the new scientific field of developmental genet- work effectively repudiated Spemann’s claim of the irrelevancy of ics. Her career was driven by an early insight into the fundamental genes to embryonic induction (which gave her great pleasure). Half connection between genes and development—a connection that a century later, Salome’s ideas would be validated at the molecular eluded the leading geneticists and embryologists of her time, who level when Bernhard Herrmann and Hans Lehrach characterized the seem not to have ventured intellectually beyond their narrow spheres T-locus product as a DNA binding protein that has a central role in of research. the regulation of transcription during the development of mesoderm Salome was born on October 6, 1907, in the town of Danzig, and notochord. Germany (now Gdansk, Poland). She studied zoology as an under- Salome experienced anti-Semitism firsthand in Nazi Germany, graduate and, beginning in 1928, worked as a graduate student with and then she experienced sexism firsthand in Ivy League America. -
Bruce N. Ames
Oral History Center University of California The Bancroft Library Berkeley, California Bruce N. Ames Bruce N. Ames: The Marriage of Biochemistry and Genetics at Caltech, the NIH, UC Berkeley, and CHORI, 1954–2018 University History Interviews conducted by Paul Burnett in 2019 and 2020 Copyright © 2021 by The Regents of the University of California Oral History Center, The Bancroft Library, University of California, Berkeley ii Since 1953 the Oral History Center of The Bancroft Library, formerly the Regional Oral History Office, has been interviewing leading participants in or well-placed witnesses to major events in the development of Northern California, the West, and the nation. Oral History is a method of collecting historical information through recorded interviews between a narrator with firsthand knowledge of historically significant events and a well-informed interviewer, with the goal of preserving substantive additions to the historical record. The recording is transcribed, lightly edited for continuity and clarity, and reviewed by the interviewee. The corrected manuscript is bound with photographs and illustrative materials and placed in The Bancroft Library at the University of California, Berkeley, and in other research collections for scholarly use. Because it is primary material, oral history is not intended to present the final, verified, or complete narrative of events. It is a spoken account, offered by the interviewee in response to questioning, and as such it is reflective, partisan, deeply involved, and irreplaceable. ********************************* All uses of this manuscript are covered by a legal agreement between The Regents of the University of California and Bruce N. Ames dated January 20, 2021. The manuscript is thereby made available for research purposes. -
University of Cincinnati
UNIVERSITY OF CINCINNATI Date: 14-May-2010 I, Lindsay R Craig , hereby submit this original work as part of the requirements for the degree of: Doctor of Philosophy in Philosophy It is entitled: Scientific Change in Evolutionary Biology: Evo-Devo and the Developmental Synthesis Student Signature: Lindsay R Craig This work and its defense approved by: Committee Chair: Robert Skipper, PhD Robert Skipper, PhD 6/6/2010 690 Scientific Change in Evolutionary Biology: Evo-Devo and the Developmental Synthesis A dissertation submitted to the Graduate School of the University of Cincinnati in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Department of Philosophy of the College of Arts and Sciences by Lindsay R. Craig B.A. Butler University M.A. University of Cincinnati May 2010 Advisory Committee: Associate Professor Robert Skipper, Jr., Chair/Advisor Professor Emeritus Richard M. Burian Assistant Professor Koffi N. Maglo Professor Robert C. Richardson Abstract Although the current episode of scientific change in the study of evolution, the Developmental Synthesis as I will call it, has attracted the attention of several philosophers, historians, and biologists, important questions regarding the motivation for and structure of the new synthesis are currently unanswered. The thesis of this dissertation is that the Developmental Synthesis is a two-phase multi-field integration motivated by the lack of adequate causal explanations of the origin of novel morphologies and the evolution of developmental processes over geologic time. I argue that the first phase of the Developmental Synthesis is a partial explanatory reconciliation. More specifically, I contend that the rise of the developmental gene concept and the discovery of highly conserved developmental genes helped demonstrate the overlap in explanatory interests between the developmental sciences and other scientific fields within the domain of evolutionary biology. -
Perspectives
Nature Reviews Molecular Cell Biology | AOP, published online 1 February 2006; doi:10.1038/nrm1855 PERSPECTIVES Spemann’s organizer) graft with salamander DEVELOPMENTAL CELL BIOLOGY — TIMELINE eggs5 (BOX 1). This experiment established the present view that animal development Spemann’s organizer and self- results from a succession of cell–cell induc- tions in which groups of cells, or organizing centres, signal the differentiation of their regulation in amphibian embryos neighbours. The dorsal-lip graft induced neighbouring cells to adopt the normal pat- Edward M. De Robertis tern of tissue types, so that a Siamese twin was formed. In 1988, a memoir recounting Abstract | In 1924, Spemann and Mangold demonstrated the induction of Siamese the heyday of experimental embryology in twins in transplantation experiments with salamander eggs. Recent work in the Spemann laboratory was published by amphibian embryos has followed their lead and uncovered that cells in signalling Viktor Hamburger6. At least in my case, the centres that are located at the dorsal and ventral poles of the gastrula embryo modern revival of studies into Spemann’s communicate with each other through a network of secreted growth-factor organizer can be traced to this little book, antagonists, a protease that degrades them, a protease inhibitor and bone- which retold the excitement of discover- ing the inductive powers of the organizer. morphogenic-protein signals. Hamburger was 88 years old at the time — clearly, it is never too late to impact the When an embryo is cut in half, it can complete limb, not just half a limb3. The scientific thinking of others. -
Ecology and Systematics: an Archaeology of Life Science
Ecology and systematics: An archaeology of life science Ruben Verkoelen 5812771 supervisors: prof. dr. L. T. G. Theunissen dr. R. Dolphijn [this page is left empty] 2 Contents Introduction 4 Chapter 1 – Two aporia Introduction 7 1.1 Heredity and development 11 1.2 Part/whole and relation 14 Conclusion 17 Chapter 2 – Biology and systematics Introduction 18 2.1 A ‘new alignment’ 18 2.2 Varieties and genealogy (Charles Darwin) 21 2.3 Development and diversity (Fritz Müller) 25 Conclusion 31 Chapter 3 – Biology and ecology Introduction 33 3.1 Ecology and Hanns Reiter 35 3.2 Gottlieb Haberlandt 38 Conclusion 44 Chapter 4 – Ecology: Wilhelm Roux Introduction 46 4.1 Life and organism 48 4.2 Organism and development 52 4.3 The limits of ecology 56 4.4 Ecology and Karl Möbius 58 Conclusion 61 Chapter 5 – Systematics: Karl Möbius Introduction 62 5.1 Species and the theory of evolution 63 5.2 The construction of species 65 Conclusion 68 Conclusion 70 Bibliography 72 3 Introduction Perhaps no two questions bother the history and philosophy of biology as much as the following two: What happened in biology around the 1880s, after Darwin yet before genetics; and why is evolution such a crucial and central topic of discussion for the contemporary life sciences? Ever since Darwin, Weismann and Roux evolution has been debated intensely in all corners of life science and the philosophy of biology. No biologist has been discussed throughout academia and society as much as Charles Darwin, the author of the ‘theory of evolution’. For decades now, life scientists have been speaking of an ‘evolutionary synthesis’, which has been or should soon be accomplished. -
Four Decades of Teaching Developmental Biology in Germany
Int. J. Dev. Biol. 47: 193-201 (2003) Four decades of teaching developmental biology in Germany HORST GRUNZ* FB 9, Abteilung für Zoophysiologie, University of Essen, Germany ABSTRACT I have taught developmental biology in Essen for 30 years. Since my department is named Zoophysiologie (Zoophysiology), besides Developmental Biology, I also have to teach General Animal Physiology. This explains why the time for teaching developmental biology is restricted to a lecture course, a laboratory course and several seminar courses. However, I also try to demonstrate in the lecture courses on General Physiology the close relationship between developmental biology, physiology, morphology, anatomy, teratology, carcinogenesis, evolution and ecology (importance of environmental factors on embryogenesis). Students are informed that developmental biology is a core discipline of biology. In the last decade, knowledge about molecular mechanisms in different organisms has exponentially increased. The students are trained to understand the close relationship between conserved gene structure, gene function and signaling pathways, in addition to or as an extension of, classical concepts. Public reports about the human genome project and stem cell research (especially therapeutic and reproductive cloning) have shown that developmental biology, both in traditional view and at the molecular level, is essential for the understanding of these complex topics and for serious and non-emotional debate. KEY WORDS: Evo Devo, Eco Devo, human, genome project, signaling,