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. 1983 Dec;80(24):7442–7446. doi: 10.1073/pnas.80.24.7442

Transcription modulation in vitro of the fibroin gene exerted by a 200-base-pair region upstream from the "TATA" box.

M Tsuda, Y Suzuki
PMCID: PMC389967  PMID: 6324171

Abstract

We have previously reported that the 5'-flanking sequence upstream from the "TATA" box modulates the faithful transcription initiation of the fibroin gene in a homologous whole cell extract prepared from the silk glands, whereas such a modulating effect is not observed in a HeLa cell extract. Subsequently we have determined that major signals responsible for the modulating effect are located within a 200-base-pair region upstream from the TATA box, mainly in a distal region between nucleotide positions -238 and -116 and in a proximal one between -73 and -53. Inversion of the sequence element -234 to -66 did not alter its modulating effect. A similar modulating effect by the upstream region of the sericin gene was also observed in the silk gland extract but not in the HeLa cell extract. In contrast, a modulating effect by the upstream region of the adenovirus 2 major late gene was observed in the HeLa cell extract but not in the silk gland extract. Thus, the modulating effect by the upstream regions of these genes is exerted only in their own homologous extracts.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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