Nucleic Acids Research, 1987, Vol. 15, No. 19 7991-8001
© 1987
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Isolation and characterization of the positively acting regulatory gene QUTA from Aspergillus nidulans
1Department of Genetics, University of Leicester Leicester LE1 7RH, UK 2Department of Genetics, University of Newcastle upon Tyne Newcastle upon Tyne NE1 7RU, UK
*To whom reprint requests should be sent
Received July 22, 1987. Accepted September 1, 1987.
The positively acting regulator gene QUTA from Aspergillus nidulans has been identified and located within a cluster of quinic acid utilisation (QUT) genes isolated within a recombinant phage lambda (
Q1). The DNA sequence of the QUTA gene reveals a single uninterrupted reading frame coding for a protein of mw 90.416 Kd. The QUTA protein sequence has a protein motif in the form of a putative "DNA finger" that shows strong homology to other such motifs in the GAL4, PPR1, ARGRII. LAC9 and QA1F regulatory gene products of S. cerevisae. K. lactis and N.crassa. The data presented confirm the view deduced by genetical analysis that the QUTA gene of A. nidulans encodes a protein capable of interacting with QUT specific DNA requences.
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