A Database of Drosophila Genes & Genomes

FB2013_03, released May 7th, 2013
 

Reference Report

Reference
Citation Lofquist, A.K., Garcia, A.D., Sharp, S.J. (1988). A discrete region centered 22 base pairs upstream of the initiation site modulates transcription of Drosophila tRNAAsn genes.  Mol. Cell. Biol. 8(): 4441--4449. (Export to RIS)
FlyBase ID FBrf0048670
Publication Type Research paper
PubMed ID 3141790
PubMed Abstract We have studied the mechanism by which 5'-flanking sequences modulate the in vitro transcription of eucaryotic tRNA genes. Using deletion and linker substitution mutagenesis, we have found that the 5'-flanking sequences responsible for the different in vitro transcription levels of three Drosophila tRNA5Asn genes are contained within a discrete region centered 22 nucleotides upstream from the transcription initiation site. In conjunction with the A-box intragenic control region, this upstream transcription-modulatory region functions in the selection mechanism for the site of transcription initiation. Since the transcription-modulatory region directs the position of the start site and the actual sequence of the transcription-modulatory region determines the level of tRNAAsn gene transcription, the possibility is raised that the transcription-modulatory region directs a transcription initiation event similar to open complex formation at procaryotic promoters.
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Language of Publication English
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Publication Type Journal
Abbreviation Mol. Cell. Biol.
Title Molecular and Cellular Biology
Publication Year 1981-
ISBN/ISSN 0270-7306
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