| pubmed-article:7027254 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:7027254 | lifeskim:mentions | umls-concept:C0205145 | lld:lifeskim |
| pubmed-article:7027254 | lifeskim:mentions | umls-concept:C0041249 | lld:lifeskim |
| pubmed-article:7027254 | lifeskim:mentions | umls-concept:C0205245 | lld:lifeskim |
| pubmed-article:7027254 | lifeskim:mentions | umls-concept:C0029073 | lld:lifeskim |
| pubmed-article:7027254 | lifeskim:mentions | umls-concept:C0597600 | lld:lifeskim |
| pubmed-article:7027254 | lifeskim:mentions | umls-concept:C1707455 | lld:lifeskim |
| pubmed-article:7027254 | lifeskim:mentions | umls-concept:C1883254 | lld:lifeskim |
| pubmed-article:7027254 | lifeskim:mentions | umls-concept:C1533691 | lld:lifeskim |
| pubmed-article:7027254 | lifeskim:mentions | umls-concept:C1549081 | lld:lifeskim |
| pubmed-article:7027254 | lifeskim:mentions | umls-concept:C1692758 | lld:lifeskim |
| pubmed-article:7027254 | pubmed:issue | 7 | lld:pubmed |
| pubmed-article:7027254 | pubmed:dateCreated | 1981-12-21 | lld:pubmed |
| pubmed-article:7027254 | pubmed:abstractText | Termination of transcription by Escherichia coli RNA polymerase in vitro appears to depend primarily on two structural features of the termination site--a G+C-rich region of dyad symmetry and a series of terminal uridine residues in the transcript. To determine whether these two features are sufficient to specify rho-independent termination in vitro, we have introduced new sequences within a tryptophan (trp) operon structural gene to create two sites with these characteristics. Transcription with wild-type RNA polymerase in vitro demonstrates that discrete termination occurs at one of these new sites, although at a low level. Use of the mutant RNA polymerase rpo203, which is more sensitive to certain weak terminators than is the wild-type enzyme, increases termination at both sites. We have compared the activity of our synthetic terminators with those of several termination sites in the E. coli trp operon. Under normal conditions of transcription in vitro, termination becomes more efficient with an increase in the length of the stem in the RNA hairpin or an increase in the number of consecutive uridine residues. Transcription with the rpo203 polymerase and with ribonucleotide analogs gives changes consistent with these general trends. These results support a model for termination involving separate but essential roles for the RNA hairpin and the stretch of uridines in the transcript. | lld:pubmed |
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| pubmed-article:7027254 | pubmed:language | eng | lld:pubmed |
| pubmed-article:7027254 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:7027254 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:7027254 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:7027254 | pubmed:month | Jul | lld:pubmed |
| pubmed-article:7027254 | pubmed:issn | 0027-8424 | lld:pubmed |
| pubmed-article:7027254 | pubmed:author | pubmed-author:FarnhamP JPJ | lld:pubmed |
| pubmed-article:7027254 | pubmed:author | pubmed-author:PlattTT | lld:pubmed |
| pubmed-article:7027254 | pubmed:author | pubmed-author:ChristieG EGE | lld:pubmed |
| pubmed-article:7027254 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:7027254 | pubmed:volume | 78 | lld:pubmed |
| pubmed-article:7027254 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:7027254 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:7027254 | pubmed:pagination | 4180-4 | lld:pubmed |
| pubmed-article:7027254 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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| pubmed-article:7027254 | pubmed:year | 1981 | lld:pubmed |
| pubmed-article:7027254 | pubmed:articleTitle | Synthetic sites for transcription termination and a functional comparison with tryptophan operon termination sites in vitro. | lld:pubmed |
| pubmed-article:7027254 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:7027254 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
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