Literature DB >> 2993799

Characterization of the 3' end of the leucine operon of Salmonella typhimurium.

D Friedberg, E R Rosenthal, J W Jones, J M Calvo.   

Abstract

The nucleotide sequence of the leuD gene of Salmonella typhimurium and of the downstream flanking region are presented. S1 mapping experiments identified 3' endpoints of leu mRNA 140 and 285 nucleotides downstream of the UAA stop codon of leuD mRNA. Experiments employing pulse-labeled RNA suggest that these endpoints result from transcription termination rather than RNA processing. Our results indicate that the organization of the 3' non-translated region of the leu operon from S. typhimurium resembles that of the trp operon of Escherichia coli. Further, our results suggest that the leu operon of S. typhimurium does not contain structural genes other than those identified by genetic experiments, i.e. leu, A,B,C and D.

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Year:  1985        PMID： 2993799     DOI： 10.1007/bf00330763

Source DB:  PubMed          Journal:  Mol Gen Genet        ISSN： 0026-8925


  48 in total

Review 1.  Regulatory sequences involved in the promotion and termination of RNA transcription.

Authors:  M Rosenberg; D Court
Journal:  Annu Rev Genet       Date:  1979       Impact factor: 16.830

2.  Labeling deoxyribonucleic acid to high specific activity in vitro by nick translation with DNA polymerase I.

Authors:  P W Rigby; M Dieckmann; C Rhodes; P Berg
Journal:  J Mol Biol       Date:  1977-06-15       Impact factor: 5.469

3.  Operator constitutive mutations in the leucine operon of Salmonella typhimurium.

Authors:  J M Calvo; P Morgolin; H E Umbarger
Journal:  Genetics       Date:  1969-04       Impact factor: 4.562

4.  Purification and properties of beta-isopropylmalate dehydrogenase.

Authors:  S J Parsons; R O Burns
Journal:  J Biol Chem       Date:  1969-02-10       Impact factor: 5.157

5.  Hybridization of denatured RNA and small DNA fragments transferred to nitrocellulose.

Authors:  P S Thomas
Journal:  Proc Natl Acad Sci U S A       Date:  1980-09       Impact factor: 11.205

Review 6.  Linkage map of Salmonella typhimurium, Edition VI.

Authors:  K E Sanderson; J R Roth
Journal:  Microbiol Rev       Date:  1983-09

7.  Regulation of branched-chain amino acid biosynthesis in Salmonella typhimurium: isolation of regulatory mutants.

Authors:  J M Calvo; M Freundlich; H E Umbarger
Journal:  J Bacteriol       Date:  1969-03       Impact factor: 3.490

8.  Vectors bearing a hybrid trp-lac promoter useful for regulated expression of cloned genes in Escherichia coli.

Authors:  E Amann; J Brosius; M Ptashne
Journal:  Gene       Date:  1983-11       Impact factor: 3.688

9.  Relationship between messenger ribonucleic acid and enzyme levels specified by the leucine operon of Escherichia coli K-12.

Authors:  M G Davis; J M Calvo
Journal:  J Bacteriol       Date:  1977-09       Impact factor: 3.490

10.  Tandem termination sites in the tryptophan operon of Escherichia coli.

Authors:  A M Wu; G E Christie; T Platt
Journal:  Proc Natl Acad Sci U S A       Date:  1981-05       Impact factor: 11.205
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  11 in total

1.  Nucleotide sequence of the Phycomyces blakesleeanus leu1 gene.

Authors:  E A Iturriaga; J M Díaz-Mínguez; E P Benito; M I Alvarez; A P Eslava
Journal:  Nucleic Acids Res       Date:  1990-08-11       Impact factor: 16.971

2.  The nucleotide sequence of leuA from Salmonella typhimurium.

Authors:  E Ricca; J M Calvo
Journal:  Nucleic Acids Res       Date:  1990-03-11       Impact factor: 16.971

3.  The nucleotide sequence of leuC from Salmonella typhimurium.

Authors:  E R Rosenthal; J M Calvo
Journal:  Nucleic Acids Res       Date:  1990-05-25       Impact factor: 16.971

Review 4.  Linkage map of Salmonella typhimurium, edition VII.

Authors:  K E Sanderson; J R Roth
Journal:  Microbiol Rev       Date:  1988-12

5.  Effect of DNA superhelicity on transcription termination.

Authors:  E R Rosenthal; J M Calvo
Journal:  Mol Gen Genet       Date:  1987-05

6.  Expression of leucine genes from an extremely thermophilic bacterium in Escherichia coli.

Authors:  J E Croft; D R Love; P L Bergquist
Journal:  Mol Gen Genet       Date:  1987-12

7.  Systematic sequencing of the Escherichia coli genome: analysis of the 0-2.4 min region.

Authors:  T Yura; H Mori; H Nagai; T Nagata; A Ishihama; N Fujita; K Isono; K Mizobuchi; A Nakata
Journal:  Nucleic Acids Res       Date:  1992-07-11       Impact factor: 16.971

8.  Heterologous transformation of Mucor circinelloides with the Phycomyces blakesleeanus leu1 gene.

Authors:  E A Iturriaga; J M Díaz-Mínguez; E P Benito; M I Alvarez; A P Eslava
Journal:  Curr Genet       Date:  1992-03       Impact factor: 3.886

9.  The NlaIV restriction and modification genes of Neisseria lactamica are flanked by leucine biosynthesis genes.

Authors:  P C Lau; F Forghani; D Labbé; H Bergeron; R Brousseau; H J Höltke
Journal:  Mol Gen Genet       Date:  1994-04

10.  Branched-chain amino acid biosynthesis genes in Lactococcus lactis subsp. lactis.

Authors:  J J Godon; M C Chopin; S D Ehrlich
Journal:  J Bacteriol       Date:  1992-10       Impact factor: 3.490
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