Literature DB >> 1107144

Regulation of newly evolved enzymes. II. The ebg repressor.

B G Gall, D L Hartl.   

Abstract

The ebg (evolved beta-galactosidase) regulatory locus has been mapped. The map order is argG-ebgA-ebgR-tolC-metC, and there is 1.6% recombination between ebgR and ebgA. Studies with ebgR-/ebgR+ merdiploids have shown that ebgR- is recessive, and it is concluded that the synthesis of ebg enzyme is under negative control.

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Year:  1975        PMID： 1107144      PMCID： PMC1213410     

Source DB:  PubMed          Journal:  Genetics        ISSN： 0016-6731            Impact factor:   4.562


  1 in total

Review 1.  Linkage map of Escherichia coli strain K-12.

Authors:  A L Taylor; C D Trotter
Journal:  Bacteriol Rev       Date:  1972-12
  1 in total
  30 in total

1.  The partial purification and characterisation of gibberellin 2β-hydroxylases from seeds of Pisum sativum.

Authors:  V A Smith; J Macmillan
Journal:  Planta       Date:  1986-01       Impact factor: 4.116

2.  Larger increases in sensitivity to paracatalytic inactivation than in catalytic competence during experimental evolution of the second beta-galactosidase of Escherichia coli.

Authors:  S V Calugaru; S Krishnan; C J Chany; B G Hall; M L Sinnott
Journal:  Biochem J       Date:  1997-07-01       Impact factor: 3.857

3.  On the specificity of adaptive mutations.

Authors:  B G Hall
Journal:  Genetics       Date:  1997-01       Impact factor: 4.562

4.  Methyl galactosidase activity: an alternative evolutionary destination for the ebgA0 gene.

Authors:  B G Hall
Journal:  J Bacteriol       Date:  1976-04       Impact factor: 3.490

5.  Tear film MMP accumulation and corneal disease.

Authors:  V A Smith; H Rishmawi; H Hussein; D L Easty
Journal:  Br J Ophthalmol       Date:  2001-02       Impact factor: 4.638

6.  Number of mutations required to evolve a new lactase function in Escherichia coli.

Authors:  B G Hall
Journal:  J Bacteriol       Date:  1977-01       Impact factor: 3.490

7.  Chromosomal mutation for citrate utilization by Escherichia coli K-12.

Authors:  B G Hall
Journal:  J Bacteriol       Date:  1982-07       Impact factor: 3.490

8.  DNA sequence analysis of artificially evolved ebg enzyme and ebg repressor genes.

Authors:  B G Hall; P W Betts; J C Wootton
Journal:  Genetics       Date:  1989-12       Impact factor: 4.562

9.  Enzymes from seeds of Phaseolus vulgaris L.: Hydroxylation of gibberellins A20 and A 1 and 2,3-dehydrogenation of gibberellin A 20.

Authors:  K Albone; P Gaskin; J Macmillan; V A Smith; J Weir
Journal:  Planta       Date:  1989-01       Impact factor: 4.116

10.  The catalytic consequences of experimental evolution. Studies on the subunit structure of the second (ebg) beta-galactosidase of Escherichia coli, and on catalysis by ebgab, an experimental evolvant containing two amino acid substitutions.

Authors:  A C Elliott; S K; M L Sinnott; P J Smith; J Bommuswamy; Z Guo; B G Hall; Y Zhang
Journal:  Biochem J       Date:  1992-02-15       Impact factor: 3.857
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