The promoter of the human proliferating cell nuclear antigen (PCNA) gene is bidirectional

Maria Giulia Rizzo, Luigi Ottavio, Salvatore Travali, Chung der Chang, Bozena Kaminska, Renato Baserga

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The proliferating cell nuclear antigen (PCNA) gene codes for a protein that is necessary for cellular DNA synthesis and cell cycle progression. A functional promoter has been identified in the 5′ flanking region of the human PCNA gene. An abbreviated promoter (from the capsite to the PvuII restriction site at -395) was found to be equally efficient in directing transcription from a linked reporter, whether placed in the correct or reverse orientation in respect to the coding sequence. The reporter used was a cDNA of human thymidine kinase (TK), and the bidirectionality of the promoter was demonstrated by its ability to confer the TK+ phenotype to TK-ts13 cells and by the amount of specific message in RNA blots. The PvuII promoter placed between two coding sequences (the TK cDNA and the bacterial gene for neoresistance) is capable of driving transcription simultaneously in both directions. Finally, in blots of RNA from human cells, two transcripts could be detected that hybridized to a sense riboprobe from the 5′ flanking region of the human PCNA gene. We conclude that the locus for the human PCNA gene contains a bidirectional promoter producing diverging transcripts.

Original languageEnglish
Pages (from-to)286-293
Number of pages8
JournalExperimental Cell Research
Volume188
Issue number2
DOIs
Publication statusPublished - 1990

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Proliferating Cell Nuclear Antigen
Thymidine Kinase
Genes
5' Flanking Region
Complementary DNA
RNA
Bacterial Genes
Cell Cycle
Phenotype
DNA
Proteins

ASJC Scopus subject areas

  • Cell Biology

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The promoter of the human proliferating cell nuclear antigen (PCNA) gene is bidirectional. / Rizzo, Maria Giulia; Ottavio, Luigi; Travali, Salvatore; Chang, Chung der; Kaminska, Bozena; Baserga, Renato.

In: Experimental Cell Research, Vol. 188, No. 2, 1990, p. 286-293.

Research output: Contribution to journalArticle

Rizzo, Maria Giulia ; Ottavio, Luigi ; Travali, Salvatore ; Chang, Chung der ; Kaminska, Bozena ; Baserga, Renato. / The promoter of the human proliferating cell nuclear antigen (PCNA) gene is bidirectional. In: Experimental Cell Research. 1990 ; Vol. 188, No. 2. pp. 286-293.
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