Arber, Werner

Arber, Werner extract from Britannica Online.

(born June 3, 1929, Gränichen, Switz.) Swiss microbiologist. He has taught chiefly at the University of Basel. He shared a 1978 Nobel Prize with Daniel Nathans and Hamilton O. Smith for the discovery and use of restriction enzymes that break the giant molecules of DNA into pieces small enough to be separated for individual study but large enough to retain meaningful amounts of the genetic information of the original substance. He also observed that bacteriophages cause mutation in their bacterial hosts and undergo hereditary mutations themselves.

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