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Discovery of restriction enzymes.
By Werner Arber -
Purification of type II restriction enzymes
By Hamilton O. Smith -
DNA recombination technique advance
By Daniel Nathans -
Type II enzymes advance
Daniel Nathans demonstrated they could be useful in genetic studies. -
DNA recombination- bacteria
Stanley N. Cohen and Herbert W pioneered genetic recombination with E.coli bacteria. -
DNA recombination progress
Same techniques were used with a mice.
