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Size Limits of Very Small Microorganisms: Proceedings of a Workshop (1999)

Chapter: Appendix D: Workshop Participants

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Suggested Citation:"Appendix D: Workshop Participants." National Research Council. 1999. Size Limits of Very Small Microorganisms: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/9638.
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Appendix D
Workshop Participants

Michael Adams, University of Georgia, Department of Biochemistry and Molecular Biology

Marc Allen, NASA Headquarters, Office of Space Science

Steven Benner, University of Florida, Department of Chemistry

David Boal, Simon Fraser University, Physics Department, Canada

John P. Bradley, MVA, Inc.

Don Button, University of Alaska at Fairbanks, Institute of Marine Science

Ron Cowen, Science News Magazine

Leonard David, Space News

Christian de Duve, Christian de Duve Institute of Cellular Pathology, Belgium

Edward F. DeLong, Monterey Bay Aquarium Research Institute

Jack Farmer, Arizona State University, Department of Geology

James P. Ferris, Rensselaer Polytechnic Institute, Department of Chemistry

Dan Fraenkel, Harvard Medical School, Department of Microbiology and Molecular Genetics

Phil Harrington, National Science Foundation

Olavi Kajander, University of Kuopio, Department of Biochemistry and Biotechnology, Finland

Andrew Knoll, Botanical Museum, Harvard University

Andrew Lawler, Science

Jeffrey Lawrence, University of Pittsburgh, Department of Biological Sciences

David McKay, NASA Johnson Space Center

Michael Meyer, NASA Headquarters, Office of Space Science

Peter Moore, Yale University, Chemistry Department

Kenneth Nealson, Jet Propulsion Laboratory

Richard Obermann, U.S. House of Representatives, Committee on Science

Leslie Orgel, Salk Institute for Biological Studies

Mary Jane Osborn, University of Connecticut Health Center, Department of Microbiology

Carl Pilcher, NASA Headquarters, Office of Space Science

Anthony Reichart, Nature

Suggested Citation:"Appendix D: Workshop Participants." National Research Council. 1999. Size Limits of Very Small Microorganisms: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/9638.
×

Monica Riley, Woods Hole Marine Biological Laboratory

John Rummel, NASA Headquarters, Office of Space Science

William Schopf, University of California at Los Angeles, Department of Earth and Space Sciences

James Staley, University of Washington at Seattle, Microbiology Laboratory

Karl Stetter, Lehrstuhl für Mikrobiologie, Universität Regensburg, Regensburg, Germany

Jack Szostak, Howard Hughes Medical Institute, Department of Molecular Biology

James Van Etten, University of Nebraska, Department of Pathology

Suggested Citation:"Appendix D: Workshop Participants." National Research Council. 1999. Size Limits of Very Small Microorganisms: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/9638.
×
Page 147
Suggested Citation:"Appendix D: Workshop Participants." National Research Council. 1999. Size Limits of Very Small Microorganisms: Proceedings of a Workshop. Washington, DC: The National Academies Press. doi: 10.17226/9638.
×
Page 148
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How small can a free-living organism be? On the surface, this question is straightforward-in principle, the smallest cells can be identified and measured. But understanding what factors determine this lower limit, and addressing the host of other questions that follow on from this knowledge, require a fundamental understanding of the chemistry and ecology of cellular life. The recent report of evidence for life in a martian meteorite and the prospect of searching for biological signatures in intelligently chosen samples from Mars and elsewhere bring a new immediacy to such questions. How do we recognize the morphological or chemical remnants of life in rocks deposited 4 billion years ago on another planet? Are the empirical limits on cell size identified by observation on Earth applicable to life wherever it may occur, or is minimum size a function of the particular chemistry of an individual planetary surface?

These questions formed the focus of a workshop on the size limits of very small organisms, organized by the Steering .Group for the Workshop on Size Limits of Very Small Microorganisms and held on October 22 and 23, 1998. Eighteen invited panelists, representing fields ranging from cell biology and molecular genetics to paleontology and mineralogy, joined with an almost equal number of other participants in a wide-ranging exploration of minimum cell size and the challenge of interpreting micro- and nano-scale features of sedimentary rocks found on Earth or elsewhere in the solar system. This document contains the proceedings of that workshop. It includes position papers presented by the individual panelists, arranged by panel, along with a summary, for each of the four sessions, of extensive roundtable discussions that involved the panelists as well as other workshop participants.

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