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Fred (Friedrich) Neufeld (17 February 1869 – 18 April 1945) was a physician and bacteriologist who discovered the pneumococcal types. This discovery led Fred Griffith to show that one pneumococcal type could be transformed into another (Griffith's experiment). Subsequently, Oswald Avery demonstrated that the transforming substance was DNA. All modern molecular biology has evolved from this work.

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  • Fred Neufeld (de)
  • Fred Neufeld (en)
  • Fred Neufeld (es)
  • Нойфельд, Фридрих (ru)
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  • Fred Julius Neufeld (* 17. Februar 1869 in Neuteich, Westpreußen; † 18. April 1945 in Berlin) war ein deutscher Arzt und Bakteriologe, der die Pneumokokken-Serotypen entdeckte. Diese Entdeckung ermöglichte Frederick Griffith zu demonstrieren, dass eine Pneumokokken-Form in eine andere transformiert werden kann (Griffiths Experiment). 1944 zeigten Oswald Avery und seine Mitarbeiter, dass die Transformation auf einer Übertragung von Desoxyribonukleinsäure (DNA) beruht. Dies war ein wichtiger Schritt zu der Erkenntnis, dass DNA allgemein der Träger der Erbinformation ist. (de)
  • Fred (Friedrich) Neufeld (17 February 1869 – 18 April 1945) was a physician and bacteriologist who discovered the pneumococcal types. This discovery led Fred Griffith to show that one pneumococcal type could be transformed into another (Griffith's experiment). Subsequently, Oswald Avery demonstrated that the transforming substance was DNA. All modern molecular biology has evolved from this work. (en)
  • Friedrich (Fred) Neufeld (Danzing, 17 de febrero de 1869 - Berlín, 18 de abril de 1945) fue el médico y bacteriólogo alemán que descubrió los tipos de neumococo, descubrimiento que condujo a que Frederick Griffith constatara que un tipo de neumococo podía ser transformado en otro (experimento de Griffith). A posteriori Oswald Avery demostró que el principio de transformación era el ácido desoxirribonucleico o ADN. Toda la biología molecular moderna se desarrolló a partir de este trabajo. (es)
  • Фридрих Нойфельд (нем. Fred Neufeld; 17 февраля 1869, Данциг — 18 апреля 1945, Берлин) — немецкий медик, врач и бактериолог, открывший различные типы пневмококков. Это открытие привело Ф. Гриффита к эксперименту, известному ныне как эксперимент Гриффита, которым он показал существование «трансформирующего принципа», позднее идентифицированного как ДНК. Вся современная молекулярная биология возникла из этой работы. (ru)
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  • Fred Neufeld (en)
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  • Fred Neufeld (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Fred_Neufeld.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Pneumococcus_CDC_PHIL_2113.jpg
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known for
  • discovery of pneumococcal types (en)
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  • German (en)
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  • physician, bacteriologist (en)
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