jan 1, 1928 - Fredrick Griffith conducts an expirement and discovers bacteria transformation
Description:
Griffith injected heat-killed S into mice, as expected, no disease ensued. When mice were injected with a mixture of heat-killed S and live R, however, pneumonia and death ensued. The live R had transformed into S—and replicated as such—often characterized as Griffith's Experiment. More accurately, point six of Griffith's abstract reports that R tended to transform into S if a large amount of live R, alone, were injected, and that adding much heat-killed S made transformation reliable[1] Griffith also induced some pneumococci to transform back and forth.
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