ஒரு மரபணு ஒரு புரதத்தை உருவாக்குகிறது.

Young George Beadle, around 1908.

George Beadle at work in his lab at Stanford.

Neurospora mutants laid out to show the experimental design.

1936 diary entry of Frank Blair Hanson, then President of the Rockefeller Foundation. He noted that Beadle is a "man to watch." Also, note the salary for graduate students.

The Rockefeller Foundation funded Beadle's experiments. This 1943 letter is a progress report Beadle wrote to the Rockefeller President.

Beadle and assistant in the Neurospora storeroom at Stanford, 1949.

Telegram sent to Edward Tatum telling him that he, George Beadle and Joshua Lederberg will share the 1958 Nobel Prize in Physiology or Medicine.

George Beadle at the Nobel Awards ceremonies.

After retirement in 1969, Beadle started research on the origin of maize. Throughout his life, Beadle maintained an interest in agriculture and gardening—the farm boy Nobel Laureate.

In 1928, when Thomas Hunt Morgan moved to Caltech, a colleague persuaded him to take some Neurospora cultures and try it as a genetic system. Carl Lindegren, one of Morgan's graduate students, worked out the genetics of Neurospora, thus paving the way for Beadle's experiments.

After Neurospora, Edward Tatum worked on and found nutritional mutants in E. coli bacteria. What are the advantages of using bacteria as a model system for research?

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Young George Beadle, around 1908.