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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.
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
Griffith experiment was a stepping stone for the discovery of genetic material. Frederick Griffith experiments were conducted with Streptococcus pneumoniae. During the experiment, Griffith cultured Streptococcus pneumoniae bacteria which showed two patterns of growth.
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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.
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 Frederick Griffith, Oswald Avery, and Alfred Hershey and Martha Chase discovered that DNA is the hereditary material. See how they used bacteria, viruses, and radioactive isotopes to test their hypotheses.
This video explains Griffith's experiment to prove the existence of a "transformation principle" via experimentation with mice and two kinds of pneumonia bacteria. His...
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- BOGObiology