Current Genetics

, Volume 25, Issue 1, pp 24–29 | Cite as

LYC1 is the structural gene for lysine N-6-acetyl transferase in yeast

  • Jean-Marie Beckerich
  • Micheline Lambert
  • Claude Gaillardin
Original Articles


In the yeastYarrowia lipolytica, theLYC1 locus controls the first step of the lysine degradation pathway which is catalyzed by lysine N-6-acetyl transferase (LAT). This gene was cloned by complementation of thelyc1-100 mutation. Its position in the cloned insert was determined by conversion mapping and by complementation. TheLYC1 gene encodes a 391 amino-acid polypeptide which has no homolog in protein databases. The required upstream region extends over 960 bp. When placed under the control of theGAL10 promoter inSaccharomyces cerevisiae, LYC1 drives the expression of lysine acetyl transferase activity, thus providing strong evidence that it is the structural gene encoding this enzyme.

Key words

Yeast Yarrowia lipolytica Lysine acetyl transferase Lysine catabolism 


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Copyright information

© Springer-Verlag 1994

Authors and Affiliations

  • Jean-Marie Beckerich
    • 1
  • Micheline Lambert
    • 1
  • Claude Gaillardin
    • 1
  1. 1.Laboratoire de Biologie Moléculaire et Cellulaire INRA-CNRSInstitut National AgronomiqueThiverval GrignonFrance

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