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Topic: Margulis


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  Margulis   (Site not responding. Last check: 2007-11-06)
Margulis completed his graduate studies in 1970 and he was awarded the degree of Candidate of Science for a thesis On some problems in the theory of U-systems.
Margulis was soon able to leave the Soviet bloc and, in 1979, he was able to spend three months at the University of Bonn.
Between 1988 and 1991 Margulis made a number of visits to the Max Planck Institute in Bonn, to the Institut des Hautes Études and to the Collège de France, to Harvard and to the Institute for Advanced study in Princeton.
www-groups.dcs.st-and.ac.uk /~history/Mathematicians/Margulis.html   (784 words)

  
 Reviews of books written by Dr   (Site not responding. Last check: 2007-11-06)
Margulis went on to develop her Serial Endosymbiosis Theory, which attempted to trace the development of all creatures with nucleated cells, from yeasts to humans, to a series of genetic mergers between different kinds of organisms.
Margulis reveals a hidden side of nature, in which microbes have generated most if not all of life's metabolic machinery, in which vastly different life-forms consort in a myriad of ways, and in which the acquisition of entire genomes provides the raw material for great evolutionary leaps.
Margulis, with her symbiosis concept, is science's only significant spearhead on the creation of Darwinian evolutionary theory not strictly within the vague limits of Darwinian framework.
courses.umass.edu /exsc891/Margrev.htm   (1600 words)

  
 Encyclopedia: Lynn Margulis   (Site not responding. Last check: 2007-11-06)
Lynn Margulis (born 1938) is a biologist and a professor at the University of Massachusetts Amherst.
Margulis follows the American biologist Ivan Wallin, who in 1927 was the first one to propose that bacteria may represent the fundamental cause of the "origin of species" (Darwin's unsolved mystery) and that the creation of a species may occur via endosymbiosis.
Margulis believes that the presence of "extra" DNA in the cell is a fossil of an ancient evolutionary event: it testifies the fusion of at least two different kinds of organisms which together formed a "eukaryiotic" cell.
www.nationmaster.com /encyclopedia/Lynn-Margulis   (1267 words)

  
 Lynn Margulis - Wikipedia, the free encyclopedia
Lynn Margulis (born 1938) is a biologist and University Professor at the University of Massachusetts Amherst.
After the proposal of the endosymbiotic theory, Margulis predicted that if organelles were prokaryotic symbionts, then the organelles will have their own DNA that would be different from the DNA of the cell.
Margulis was inducted into the World Academy of Art and Science, the Russian Academy of Natural Sciences, and the American Academy of Arts and Sciences between 1995 and 1998.
en.wikipedia.org /wiki/Lynn_Margulis   (733 words)

  
 Margulis to receive National Medal of Science
Margulis is being cited for "outstanding contributions to the understanding of the structure and evolution of living cells, and for extraordinary abilities as a teacher and communicator of science to the public."
Margulis is internationally known for her research on the evolution of eukaryotic cells - cells that have a nucleus.
Margulis received her bachelor's degree in liberal arts from the University of Chicago, her master's degree in genetics and zoology from the University of Wisconsin-Madison, and her doctorate in genetics from the University of California Berkeley.
www.umass.edu /pubaffs/chronicle/archives/00/02-04/margulis19.html   (613 words)

  
 Grigory Margulis - Wikipedia, the free encyclopedia
Gregori Aleksandrovich Margulis (first name often given as Gregory, Grigori or Grigory) (born February 24, 1946) is a mathematician known for his far-reaching work on lattices in Lie groups, and the introduction of methods from ergodic theory into diophantine approximation.
This was a question that had been open for half a century, on which considerable progress had been made by the Hardy-Littlewood circle method; but to reduce the number of variables to the point of getting the best-possible results, the more structural methods from group theory proved decisive.
In 2005, Margulis received the Wolf Prize for his contributions to lattice theory, and applications to ergodic theory, representation theory, number theory, combinatorics, and measure theory.
en.wikipedia.org /wiki/Grigory_Margulis   (333 words)

  
 UMass Amherst Office of News & Information : News Releases : UMass Amherst Biologist Lynn Margulis Awarded Honors ...
Margulis is Distinguished University Professor in the UMass biology department and an adjunct professor in the UMass department of geosciences.
Margulis will receive her honorary degree - the sixth of her career - during ceremonies at the University of Montreal culminating a year-long celebration of the 75th anniversary of that university’s department of biological sciences.
Margulis is internationally known for her research on the evolution of eukaryotic (nucleated) cells, or those of animals, plants, fungi, and protoctists.
www.umass.edu /newsoffice/newsreleases/articles/11892.php   (579 words)

  
 Book review of Lynn Margulis
Margulis' fundamental thesis is that our bodies are amalgams of several different strains of bacteria: endosymbiosis of bacteria is responsible for the creation of complex forms of life.
Margulis noted that not all the DNA is contained in the nucleus of the cell.
Margulis emphasizes that the Earth is still dominated by bacteria, which not only account for the vast majority of life, but also maintain the conditions for life on the planet.
www.thymos.com /mind/margulis.html   (1770 words)

  
 1998 Nevada Medalist, Dr. Lynn Margulis   (Site not responding. Last check: 2007-11-06)
Margulis is internationally known for her research on the evolution of the small forms of life, including the role of bacteria in influencing and regulating biological processes and environmental conditions.
Margulis is the leading proponent of the idea that symbiogenesis, the merger of previously independent life forms, is as important to the process of evolutionary change as the more prominent "survival of the fittest" doctrine of competition among organisms.
Margulis is also a member of the Russian Academy of Natural Sciences, holds six honorary doctorates from other universities, and is fluent in Spanish and French.
news.dri.edu /nr1998/98nvmedalist.html   (455 words)

  
 Untitled
Yet, Margulis has spent much of her career on the margins of respectability, battling the scientific community's lack of familiarity with the more than 200,000 known species of microbes on Earth, most of which do nothing that directly harms or helps the human race.
Margulis insists that life be seen as a planetary phenomenon whose Earthbound limits remain unexplored.
Margulis' scenario has clarified a new taxonomy of living things, expanding the traditional division of plants and animals into five kingdoms, each based on fundamental cell structure.
www.nyu.edu /classes/neimark/margulis.html   (3384 words)

  
 Search Ends with Joyous Meeting of Long-Lost Relatives
Margulis, now 70, knew that nearly two decades before he was born his father immigrated to the United States in 1914 to work with his brother in Minnesota.
When Margulis' father remarried, the only one to witness the ceremony in America was his daughter, who came to the United States when she was 14.
Margulis, who is still hoping that the Red Cross can learn the fate of his two half brothers, proudly bragged about how much alike he and his nephew were.
www.redcross.org /news/in/tracing/010622reunion.html   (1107 words)

  
 margulis
Using radioactively labeled nucleotides, she convincingly demonstrated the presence of DNA in the chloroplasts of Euglena gracilis, one of the curious unicellular organisms that shares both plant and animal characteristics.
Margulis wrote her first article on the endosymbiotic theory in 1967, two years after she completed her Ph.D. At the time, she was a single mother without a permanent teaching position.
Margulis points out that although both types of flagella are used for locomotion, prokaryotic and eukaryotic structures are very different.
www.msu.edu /course/lbs/145/luckie/margulis.html   (2265 words)

  
 Sue Margulis, Ph.D.
As Curator of Primates, Margulis is a member of the Lester E. Fisher Center for the Study and Conservation of Apes.
Margulis has been on the faculty at the University of Chicago since 2001, where she teaches research in animal behavior.
Margulis, S.W. Inbreeding-based bias in parental responsiveness to litters of oldfield mice.
www.lpzoo.com /conservation/who_we_are/margulis.php   (586 words)

  
 Lynn Margulis - Science and Literature - 2001 Key West Literary Seminar
Margulis writes about planetary life, planetary evolution, and the ways our views of them are changing.
Margulis' work represents a prime example of "narratives of discovery." Her publications, spanning a wide range of scientific topics, range from professional to children's literature and include 23 authored or co-authored books.
Margulis received an A.B. (Liberal Arts) from the University of Chicago, an M.S. (Genetics-Zoology) from the University of Wisconsin and a Ph.D. (Genetics from the University of California, Berkeley.
keywestliteraryseminar.org /science/margulis.html   (470 words)

  
 The Serial Endosymbiosis Theory of Eukaryotic Evolution
In 1981, Margulis published the first edition of her book entitled Symbiosis in Cell Evolution in which she proposed that eukaryotic cells originated as communities of interacting entities that joined together in a specific order.
According to Bermudes and Margulis (1985), there is insufficient evidence to prove either direct filiation or the symbiotic hypothesis for the origin of undulipodia.
Margulis tends to favor a process involving the combination of direct filiation and symbiosis as the source of the nucleated cell.
www.geocities.com /jjmohn/endosymbiosis.htm   (2294 words)

  
 Science & Technology at Scientific American.com: The Woodstock of Evolution -- The World Summit on Evolution, held ...   (Site not responding. Last check: 2007-11-06)
Michod's talk was the perfect lead-in for the penultimate lecture of the conference by the acknowledged star of the weekend, Lynn Margulis, famous for her pioneering research on symbiogenesis.
Margulis began graciously by acknowledging the conference hosts and saying, "This is the most wonderful conference I've ever been to, and I've been to a lot of conferences." She then got to work, pronouncing the death of neo-Darwinism.
The overall impression I received was that Margulis goes too far in her rejection of neo-Darwinism, but because she was right about the role of symbiogenesis in the origin of the first eukaryote cells, they are taking a wait-and-see approach.
www.sciam.com /article.cfm?articleID=00020722-64FD-12BC-A0E483414B7FFE87&pageNumber=9&catID=4   (552 words)

  
 Boston.com / News / Boston Globe / Ideas / Bugs in the belfry
After explaining that syphilis is a syndrome caused by the ravages of the spirochete Treponema pallidum (the lively, corkscrew-shaped bacterium pictured at right), Margulis elaborates on her own recent research into spirochetes by weighing in on the long-running debate over Nietzsche's brain.
Margulis believes it is, and as evidence points to studies of microbial mat samples taken from Eel Pond in Woods Hole and kept in a jar in a UMass-Amherst lab.
Although no typical spirochetes were found in these samples, Margulis recounts, when food and water known to support spirochete activity were added to some samples, spirochetes that could only have been been lying dormant suddenly awoke from their slumber.
www.boston.com /news/globe/ideas/articles/2004/11/28/bugs_in_the_belfry   (575 words)

  
 Amazon.co.uk: Acquiring Genomes: A Theory of the Origins of Species: Books   (Site not responding. Last check: 2007-11-06)
Margulis and Sagan stress that symbiosis is far more prevalent than a fungi and algae forming lichens on rocks.
Margulis cannot seriously expect the emergence of a new bird in two decades of study.
Margulis and Sagan may have outlined how the methods of natural selection may be expanded, but they have hardly replaced Darwin's original thesis with this effort.
www.amazon.co.uk /exec/obidos/ASIN/0465043925   (1326 words)

  
 Evolution of flagella - EvoWiki   (Site not responding. Last check: 2007-11-06)
The modern version of the hypothesis was first proposed by Lynn Margulis as Sagan (1967) (Margulis was the first wife of the late Carl Sagan).
Margulis is, though, still strongly promoting and publishing a revised version of her hypothesis (e.g.
Margulis' 1998 book Symbiotic planet : a new look at evolution has some frank autobiographical comments about her stubborn support of the symbiotic hypothesis for the origin of the cilium.
wiki.cotch.net /wiki.phtml?title=Evolution_of_flagella   (5778 words)

  
 Amazon.com: What Is Life?: Books: Niles Eldredge,Lynn Margulis,Dorion Sagan   (Site not responding. Last check: 2007-11-06)
Margulis, a well-known professor of botany at the University of Massachusetts, and her son, Sagan, who previously collaborated on other works (Origins of Sex; Microcosmos) present a wide-ranging compendium that samples key facets of biology in conjunction with philosophic ideas and historical perspectives.
Margulis is decidedly *not*, for example, the flaming vitalist or Earth Mother worshipper that some have painted her as (due to her subscription to the "Gaia" hypothesis), and Richard Dawkins was much more modest in his conception of the "meme" than some of his successors (notably Susan Blackmore) have been.
Margulis and her collaborators do an amazing job of assembling an understandable model of life using parts carefully selected from a vast body of biological knowledge.
www.amazon.com /exec/obidos/tg/detail/-/0520220218?v=glance   (1988 words)

  
 DAILY BRUIN ONLINE   (Site not responding. Last check: 2007-11-06)
Margulis wrote a book, "Johann Sebastian Bach's Symbolic Language and the Well Tempered Clavier," on the religious symbolism and spirituality of Bach's music.
Margulis' passion for the piano translates not only in performance but also in teaching.
Margulis' students are performing on Nov. 10 from 8-10 PM in Schoenberg Hall.
www.dailybruin.ucla.edu /news/printable.asp?id=26178&date=11/6/2003   (391 words)

  
 Charlie Margulis - Free Music Downloads, Videos, CDs, MP3s, Bio, Merchandise and Links   (Site not responding. Last check: 2007-11-06)
As the combination of Marlowe and/or Margulis, he was hardly out of breath in the '40s and '50s, playing on many freelance recording sessions from bases in both California, where he was Marlowe, and New York City, where he was Margulis.
Margulis' next boss was bandleader Ray Miller in a period when the trumpeter roamed back and forth between Detroit and Chicago.
In 1927 Margulis began working with Whiteman, the relationship lasting nearly three years and concluding in a traditional manner for progressive jazz bands, with various sidemen stranded on the West coast.
www.artistdirect.com /nad/music/artist/bio/0,,588604,00.html   (517 words)

  
 The University of Chicago Magazine: February 2004
On a cold November morning in Amherst, Massachusetts, Lynn Margulis, 65 years old and without a helmet, is riding her secondhand Miyata 10-speed—its two side baskets full of books, mail, and lunch—down the sidewalk to her laboratory at the University of Massachusetts, where she holds the title Distinguished University Professor in the Department of Geosciences.
Margulis lectured and worked in labs at Brandeis University before landing a part-time job in Boston University’s biology department, where she went from adjunct to full professor in ten years.
Margulis believed that an important source of methane, one of the greenhouse gases that raises the planet’s atmospheric temperature, is bacteria—found, for example, in cow rumen.
magazine.uchicago.edu /0402/features/speed-print.shtml   (2910 words)

  
 Bates College | Lynn Margulis
Mentioned as "the most gifted theoretical biologist of her generation" and widely recognized for her original contributions to the study of microbial evolution and cell biology, Lynn Margulis is the kind of scientist who questions assumption.
She was elected to the National Academy of Sciences in 1983, and the Library of Congress announced in 1998 that it would permanently archive her papers.
Margulis is also recognized for her contribution to James Lovelock's Gaia concept.
www.bates.edu /x65866.xml   (318 words)

  
 Symbiotic Planet by Lynn Margulis, 0465072712, Lowest Book Price Finder
Lynn Margulis is an eminent American biologist, distinguished professor at the University of Massachusetts (Amherst) and prolific author of accessible and readable books about life, the biology of sex, microbes and Gaia.
Margulis has spent much of her professional life researching the microcosm of the smallest organisms on Earth, how they evolved and relate to one another.
She portrays herself as a rebel from early in her career, arguing here that she was sceptical of "genes in the nucleus determin[ing] all the characteristics of plants and animals." Her misgivings received scant support, however, without a replacement thesis.
www.bookfinder4u.co.uk /book_detail/0465072712   (1069 words)

  
 Lyn Margulis   (Site not responding. Last check: 2007-11-06)
Lynn Margulis was born in 1938 and grew up in Chicago.
Extremely interested in Archean and Proterozoic evolution, her research now focuses on the Serial Endosymbiotic Theory of the origin of cells, study of life cycles and sediment impact of the inhabitants of microbial mats, and theoretical aspects of James E. Lovelock's Gaia hypothesis.
Margulis believes that, like mitochondrias and chloroplasts, the case for spirochete ancestry will be proved.
cajal.unizar.es /eng/part/Margulis.html   (477 words)

  
 yaledailynews.com - Margulis to receive the Wolf Prize   (Site not responding. Last check: 2007-11-06)
Mathematics professor Gregory Margulis was recently tapped for the Wolf Prize for his contributions to the field.
Margulis, who won the Fields Medal in 1978, can now add an award almost as prestigious to his mantle.
Usually, Margulis said, the award is split in each category between two or three people.
www.yaledailynews.com /article.asp?AID=28602   (556 words)

  
 EXPLAINING THE SERIAL ENDOSYMBIOSIS THEORY USING CHLOROPLASTS
Margulis (1981) goes on to state that a key component for the pro-SET argument is that a particular spirochete contains microtubules, composed of neat arrays of protein, in their protoplasmic cylinders.
Margulis (1981) hypothesizes that in some cases the attached spirochete was actually drawn into the body of the host, motility lost, yet it still retained its ability to replicate.
Margulis (1998) is optimistic that she will find a direct nucleic acid link to support the spirochete/undulipodium within the next ten years.
comenius.susqu.edu /bi/202/Journal/vol10/number2/POB-2.htm   (3068 words)

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