Patents Examined by Robert W. Wax
  • Repressible yeast promoters
    Patent number: 5436136
    Abstract: Novel upstream activation sites of the yeast PHO5 gene are used to produce inducible yeast hybrid promoters. The yeast hybrid promoters can be used to control transcription of a polypeptide coding region foreign to yeast in a yeast expression vector.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: July 25, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Albert Hinnen, Bernd Meyhack