Characterization of the human ribonucleotide reductase M2 subunit gene; genomic structure and promoter analyses

B. Zhou, Yun Yen

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Ribonucleotide Reductase (RR) is a rate-limiting enzyme in DNA synthesis and repair consisting of two subunits, M1 and M2. RRM2 plays a role in cell proliferation, tumorgenicity, metastasis and drug resistance. To better understand the regulation of RRM2, we have sequenced the entire human RRM2 gene. Approximately 10.3 kb of genomic DNA was sequenced and deposited to GenBank (accession number AY032750). Intron/exon junctions were identified and the gene was found to consist of ten exons. Two transcription initiation sites were identified and correspond to mRNA transcripts of 3.4 kb and 1.65 kb. Deletion analysis of the 5′-flanking region showed that there was promoter activity consistent with the presence of two separate promoters driving expression of the two RRM2 transcripts. A thorough analysis of the genomic sequence and promoter regions of the RRM2 gene will provide insight into the processes involved in tumor transformation and drug resistance.

Original languageEnglish
Pages (from-to)52-59
Number of pages8
JournalCytogenetics and Cell Genetics
Volume95
Issue number1-2
Publication statusPublished - Dec 1 2001
Externally publishedYes

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Drug Resistance
Exons
Genes
Ribonucleotide Reductases
5' Flanking Region
Transcription Initiation Site
Nucleic Acid Databases
Genetic Promoter Regions
DNA Repair
Introns
Sequence Analysis
Cell Proliferation
Neoplasm Metastasis
Messenger RNA
DNA
Enzymes
ribonucleotide reductase M2
Neoplasms

ASJC Scopus subject areas

  • Genetics
  • Cell Biology

Cite this

Characterization of the human ribonucleotide reductase M2 subunit gene; genomic structure and promoter analyses. / Zhou, B.; Yen, Yun.

In: Cytogenetics and Cell Genetics, Vol. 95, No. 1-2, 01.12.2001, p. 52-59.

Research output: Contribution to journalArticle

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