Current Genetics

, Volume 15, Issue 4, pp 299–301 | Cite as

Base substitutions in the 5′ non-coding regions of two naturally occurring yeast invertase structural SUC genes cause strong differences in specific invertase activities

  • A. Parets-Soler
Short communications

Summary

Gene SUC4 produced about four fold more invertase activity than did gene SUC5. However, these genes differ in only three positions located in the 5′ non-coding region. The difference in gene expression between SUC4 and SUC5 must be due to the G to A transition (position −497) and/or the C to T transition (position −460) in the upstream activator sequences. The sequence TACAAA present in SUC5 can play the same role than the TATAAA box of SUC4.

Key words

Yeast Invertase Gene expression 

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Copyright information

© Springer-Verlag 1989

Authors and Affiliations

  • A. Parets-Soler
    • 1
  1. 1.Technische Hochschule DarmstadtInstitut für MikrobiologieDarmstadtGermany

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