✦ LIBER ✦

Interaction of multiple nuclear proteins with the promoter region of the mouse 68-kDa neurofilament gene

✍ Scribed by T. R. Ivanov; Dr. Ian R. Brown

Publisher: John Wiley and Sons
Year: 1992
Tongue: English
Weight: 985 KB
Volume: 32
Category: Article
ISSN: 0360-4012
DOI: 10.1002/jnr.490320204

No coin nor oath required. For personal study only.

✦ Synopsis

Four brain-specific, DNase I hypersensitive sites (HSS) have been mapped to the 5' flanking region of the mouse 68-kDa neurofilament gene. These sites are contained within a 1.7-kb sequence that confers neuronal specificity of expression of this gene in transgenic mice. To identify DNA sequences that might be involved in gene regulation, the HSS situated near the promoter region has been analyzed by gel mobility shift assays and DNase I footprinting to investigate protein binding sequences. Of particular interest are two footprints localized to a 9-nucleotide sequence that flanks both the light and medium neurofilament gene in mouse and to a sequence that demonstrates partial homology to several promoter regions, including element-1, a motif required for neuron specificity in Drosophila. A prominent footprint was also detected at a sequence that contains a near-perfect palindrome centered at a PstI restriction site.

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