Werner Arber

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Arber, Werner

(vĕr`nər är`bər), 1929–, Swiss microbiologist. A professor at the Univ. of Geneva (1960–70) and later at the Univ. of Basel (1971–), Arber worked with Daniel NathansNathans, Daniel,
1928–99, American microbiologist, b. Wilmington, Del., M.D. Washington Univ., St. Louis, 1954. He became a professor at Johns Hopkins in 1962. Nathans worked with Werner Arber and Hamilton Othanel Smith in studying the nature of genes.
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 and Hamilton Othanel SmithSmith, Hamilton Othanel,
1931–, American biologist, b. New York City, M.D. Johns Hopkins, 1956. A professor at the Univ. of Michigan and Johns Hopkins, Smith worked with Daniel Nathans and Werner Arber studying the nature of genes.
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 to understand the nature of genes. The trio discovered and used certain enzymes that break down genetic material in order to study hereditary mutation in bacteria. For their work the three shared the 1978 Nobel Prize in Physiology or Medicine.
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