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May 10, 2024 · Frederick Griffith (born October 3, 1877, Eccleston, Lancashire, England—died 1941, London) was a British bacteriologist whose 1928 experiment with bacterium was the first to reveal the “transforming principle,” which led to the discovery that DNA acts as the carrier of genetic information.
- The Editors of Encyclopaedia Britannica
Frederick Griffith (1877–1941) was a British bacteriologist whose focus was the epidemiology and pathology of bacterial pneumonia. In January 1928 he reported what is now known as Griffith's Experiment, the first widely accepted demonstrations of bacterial transformation, whereby a bacterium distinctly changes its form and function.
- discovery of pneumococcal transformation
- 1941 (aged 63–64), London, England
- 1877, Prescot, England
- Liverpool University
Learn how Frederick Griffith's discovery of bacterial transformation led to the identification of DNA as the hereditary material. Explore the experiments of Avery, McCarty, MacLeod, and Hershey and Chase that confirmed and extended Griffith's findings.
Griffith's experiment, performed by Frederick Griffith and reported in 1928, was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation.
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Sep 30, 2008 · The scientist Frederick Griffith observed that a living non-virulent bacterial strain could be transformed into a virulent strain after it was mixed with a dead virulent strain.
Learn how Griffith observed that heat-killed virulent bacteria could transform nonvirulent bacteria in mice, leading to the identification of DNA as the hereditary material. Explore the experiments by Avery, Hershey, and Chase that confirmed and extended Griffith's findings.
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