Abstract:
:We have characterized the genomic structure of the mouse Zfp148 gene encoding Beta-Enolase Repressor Factor-1 (BERF-1), a Kruppel-like zinc finger protein involved in the transcriptional regulation of several genes, which is also termed ZBP-89, BFCOL1. The cloned Zfp148 gene spans 110 kb of genomic DNA encompassing the 5'-end region, 9 exons, 8 introns, and the 3'-untranslated region. The promoter region displays the typical features of a housekeeping gene: a high G+C content and the absence of canonical TATA and CAAT boxes consistent with the multiple transcription initiation sites determined by primary extension analysis. Computer-assisted search in the human genome database allowed us to determine that the same genomic structure with identical intron-exon organization is conserved in the human homologue ZNF 148. Functional analysis of the 5'-flanking sequence of the mouse gene indicated that the region from nucleotide -205 to +144, relative to the major transcription start site, contains cis-regulatory elements that promote basal expression. Such sequences and the overall promoter architecture are highly conserved in the human gene. Furthermore, we show that the complex transcription pattern of the Zfp148 gene might be due to a combination of alternative splicing and differential polyadenylation sites utilization.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Feo S,Antona V,Cammarata G,Cavaleri F,Passantino R,Rubino P,Giallongo Adoi
10.1006/bbrc.2001.4753subject
Has Abstractpub_date
2001-04-27 00:00:00pages
209-18issue
1eissn
0006-291Xissn
1090-2104pii
S0006-291X(01)94753-9journal_volume
283pub_type
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