Current Genetics

, Volume 24, Issue 5, pp 394–399 | Cite as

Promoter analysis of the bli-7/eas gene

  • R. Kaldenhoff
  • V. E. A. Russo
Original Articles


Expression of the Neurospora crassa gene bli-7, (identical with eas, and ccg-2), is induced by blue light, as well as glucose- or nitrogen-starvation. A promoter analysis was performed by an assay that does not involve promoter-reporter constructs but rather the insertion of foreign DNA into the transcribed sequence. To detect regulatory elements a series of deletions in the upstream region was generated. The inducibility of the gene, in response to the three inducing conditions mentioned, is lost by eliminating the region between-1498 bp and-1017 bp upstream of the transcription start point. A segment with an apparently negative effect was found between-595 bp and-429 bp, as well as a stretch of DNA from-429 bp to-380 bp which may exert a positive influence after light induction.

Key words

Neurospora crassa bli-7, eas, ccg-2 Promoter analysis 


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Copyright information

© Springer-Verlag 1993

Authors and Affiliations

  • R. Kaldenhoff
    • 1
  • V. E. A. Russo
    • 2
  1. 1.Institut für BotanikUniversität HannoverHannoverGermany
  2. 2.Max-Planck-Institut für molekulare GenetikBerlinGermany

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