Thomas R. Cech

Facts

Thomas R. Cech

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Thomas R. Cech
The Nobel Prize in Chemistry 1989

Born: 8 December 1947, Chicago, IL, USA

Affiliation at the time of the award: University of Colorado, Boulder, CO, USA

Prize motivation: “for their discovery of catalytic properties of RNA”

Prize share: 1/2

Work

Enzymes are substances that speed up the chemical processes in organisms' cells without being consumed. It was long thought that all enzymes were proteins. Sidney Altman and Thomas Cech demonstrated that RNA can also function as an enzyme. In 1982, Cech studied the way RNA molecules from the microorganism Tetrahymena thermophila split into fragments. He discovered that RNA molecules inside a test tube split themselves using a complicated chemical reaction, despite the absence of a protein.

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