An n-alkane-responsive promoter element found in the gene encoding the peroxisomal protein of Candida tropicalis does not contain a C6 zinc cluster DNA-binding motif

Tamotsu Kanai, Akihiro Hara, Naoki Kanayama, Mitsuyoshi Ueda, Atsuo Tanaka

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

When an asporogenic diploid yeast, Candida tropicalis, is cultivated on n-alkane, the expression of the genes encoding enzymes of the peroxisomal β- oxidation pathway is highly induced. An upstream activation sequence (UAS) which can induce transcription in response to n-alkane (UAS(ALK)) was identified on the promoter region of the peroxisomal 3-ketoacyl coenzyme A (CoA) thiolase gene of C. tropicalis (CT-T3A). The 29-bp region (from -289 to -261) present upstream of the TATA sequence was sufficient to induce n- alkane-dependent expression of a reporter gene. Besides n-alkane, UAS(ALK- dependent) gene expression also occurred in the cells grown on oleic acid. Several kinds of mutant UAS(ALK) were constructed and tested for their UAS activity. It was clarified that the important nucleotides for UAS(ALK) activity were located within 10-bp region from -273 to -264 (5'-TCCTGCACAC- 3'). This region did not contain a CGG triplet and therefore differed from the sequence of the oleate-response element (ORE), which is a UAS found on the promoter region of 3-ketoacyl-CoA thiolase gene of Saccharomyces cerevisiae. Similar sequences to UAS(ALK) were also found on several peroxisomal enzyme-encoding genes of C. tropicalis.

Original languageEnglish
Pages (from-to)2492-2497
Number of pages6
JournalJournal of Bacteriology
Volume182
Issue number9
DOIs
Publication statusPublished - May 2000
Externally publishedYes

Fingerprint

Candida tropicalis
Nucleotide Motifs
Alkanes
Zinc
Coenzyme A
Oleic Acid
Genetic Promoter Regions
Genes
Proteins
Gene Expression
Response Elements
Enzymes
Diploidy
Reporter Genes
Saccharomyces cerevisiae
Nucleotides
Yeasts

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Immunology

Cite this

An n-alkane-responsive promoter element found in the gene encoding the peroxisomal protein of Candida tropicalis does not contain a C6 zinc cluster DNA-binding motif. / Kanai, Tamotsu; Hara, Akihiro; Kanayama, Naoki; Ueda, Mitsuyoshi; Tanaka, Atsuo.

In: Journal of Bacteriology, Vol. 182, No. 9, 05.2000, p. 2492-2497.

Research output: Contribution to journalArticle

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