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Correspondence

Nature 451, 127 (10 January 2008) | doi:10.1038/451127c; Published online 9 January 2008

Frog transparency led to discovery of melatonin

Thomas C. Erren1, Russel J. Reiter2 & V. Benno Meyer-Rochow3

  1. Institute and Policlinic for Occupational and Social Medicine, University of Cologne, Kerpener-strasse 62, 50937 Köln, Lindenthal, Germany
  2. Department of Cellular and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229-3900, USA
  3. School of Engineering and Science, Jacobs University Bremen, 28759 Bremen, Germany

Your News in Brief story 'See-through frog offers inside information' (Nature 449, 521; 2007) describes the production of a transparent frog by genetic manipulation. But translucent amphibians were first artificially created 90 years ago.

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