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Identification of a gene encoding the pyruvate decarboxylase gene regulator CaPdc2p fromCandida albicans

✍ Scribed by Kaiser, Burkhard; Munder, Thomas; Saluz, Hans-Peter; Künkel, Waldemar; Eck, Raimund

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
269 KB
Volume
15
Category
Article
ISSN
0749-503X

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✦ Synopsis

In a screen for Candida albicans genes encoding transactivating proteins, a pyruvate decarboxylase (EC 4.1.1.1.) regulator gene was isolated. An open reading frame (ORF) of 2511 bp was identified encoding a predicted protein of 836 amino acids with a molecular weight of 94•4 kDa. The protein showed glutamine-and proline-rich stretches typical for transcriptional activators. The amino acid sequence comparisons between CaPdc2p of C. albicans and both Pdc2p of Saccharomyces cerevisiae and Rag3p of Kluyveromyces lactis, revealed similarities of 40% and 39%, respectively. The CaPDC2 gene was localized on chromosome 1. Southern blot analysis indicated that CaPDC2 might be a single copy gene. The growth defect of a S. cerevisiae pdc2 mutant on glucose was compensated by transformation of the C. albicans CaPDC2 gene.

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