Analysis of the Structure and Expression of the TFIIB Gene in Drosophila melanogaster

Kwang Soo Lee, Younsang Oh, Gumhee Baek, Jaeseung Yoon, Kyuhyung Han, Namyoung Cho, Kwanghee Baek

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We have isolated and characterized a genomic clone encoding the Drosophila melanogaster transcription factor IIB (TFIIB). The coding region of the TFIIB gene is interrupted by three short introns. The 5′-flanking region of the gene lacks the typical TATA box sequence like those of other known genes encoding the general transcription factors. In addition, the 5′-flanking region of the gene contains several common DNA sequences present in Drosophila TBP and TFIIS genes, suggesting the common regulation mechanism of gene expression. RNA blot analysis revealed that the gene expresses 1.6 kb, 1.3 kb and 1.2 kb mRNAs throughout development and in adults. Deletion analysis of the promoter region shows that the minimal promoter necessary for efficient expression is located between -698 (PstI) and +60 relative to the transcription start point. Within this minimal promoter region, the upstream regulatory element responsible for the stimulation of gene expression may exist in the DNA fragment between -698 (PstI) and -351 (StuI).

Original languageEnglish (US)
Pages (from-to)374-379
Number of pages6
JournalMolecules and Cells
Volume7
Issue number3
StatePublished - Jun 30 1997
Externally publishedYes

Fingerprint

Transcription Factor TFIIB
Drosophila melanogaster
Genes
5' Flanking Region
Genetic Promoter Regions
General Transcription Factors
TATA Box
Gene Expression Regulation
Introns
Drosophila
Clone Cells
RNA
Gene Expression
Messenger RNA
DNA

ASJC Scopus subject areas

  • Molecular Biology
  • Cell Biology

Cite this

Lee, K. S., Oh, Y., Baek, G., Yoon, J., Han, K., Cho, N., & Baek, K. (1997). Analysis of the Structure and Expression of the TFIIB Gene in Drosophila melanogaster. Molecules and Cells, 7(3), 374-379.

Analysis of the Structure and Expression of the TFIIB Gene in Drosophila melanogaster. / Lee, Kwang Soo; Oh, Younsang; Baek, Gumhee; Yoon, Jaeseung; Han, Kyuhyung; Cho, Namyoung; Baek, Kwanghee.

In: Molecules and Cells, Vol. 7, No. 3, 30.06.1997, p. 374-379.

Research output: Contribution to journalArticle

Lee, KS, Oh, Y, Baek, G, Yoon, J, Han, K, Cho, N & Baek, K 1997, 'Analysis of the Structure and Expression of the TFIIB Gene in Drosophila melanogaster', Molecules and Cells, vol. 7, no. 3, pp. 374-379.
Lee, Kwang Soo ; Oh, Younsang ; Baek, Gumhee ; Yoon, Jaeseung ; Han, Kyuhyung ; Cho, Namyoung ; Baek, Kwanghee. / Analysis of the Structure and Expression of the TFIIB Gene in Drosophila melanogaster. In: Molecules and Cells. 1997 ; Vol. 7, No. 3. pp. 374-379.
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