Skip to main content
PMC home page
Journal of Bacteriology logoLink to Journal of Bacteriology
. 1977 Apr;130(1):384–392. doi: 10.1128/jb.130.1.384-392.1977

Escherichia coli transport mutants lacking binding protein and other components of the branched-chain amino acid transport systems.

J J Anderson, D L Oxender
PMCID: PMC235216  PMID: 323236

Abstract

Further evidence on the role of binding proteins in branched-chain amino acid transport in Escherichia coli was obtained by selecting mutants with altered expression of the binding proteins. The mutator phage Mu was used to induce E. coli L-valine-resistant mutants defective in branched-chain amino acid transport. By making use of mild selective conditions and strain backgrounds with derepressed high-affinity, binding protein-mediated transport systems, we were able to isolate a new class of transport mutants defective in these systems. Mutant strains AE84084 (livK::Mucts) and AE840102 (livJ) were found to be defective in leucine-specific and LIV binding proteins, respectively, by transport assay, in vitro binding activity, and by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Mutant strain AE4107 (livH::Mu), although lacking high-affinity, branched-chain amino acid transport, retained functional binding proteins and therefore evidently codes for an additional component of high-affinity transport. The livH, livJ, and livK mutations were mapped by transduction and shown to be closely linked to each other in the malT region (min 74) of the E. coli genetic map.

Full text

PDF
389

Images in this article

388Image
on p.388

Selected References

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

  1. Anderson J. J., Quay S. C., Oxender D. L. Mapping of two loci affecting the regulation of branched-chain amino acid transport in Escherichia coli K-12. J Bacteriol. 1976 Apr;126(1):80–90. doi: 10.1128/jb.126.1.80-90.1976. [DOI] [PMC free article] [PubMed] [Google Scholar]
  2. Bachmann B. J., Low K. B., Taylor A. L. Recalibrated linkage map of Escherichia coli K-12. Bacteriol Rev. 1976 Mar;40(1):116–167. doi: 10.1128/br.40.1.116-167.1976. [DOI] [PMC free article] [PubMed] [Google Scholar]
  3. Bukhari A. I., Metlay M. Genetic mapping of prophage Mu. Virology. 1973 Jul;54(1):109–116. doi: 10.1016/0042-6822(73)90120-7. [DOI] [PubMed] [Google Scholar]
  4. Bukhari A. I., Taylor A. L. Genetic analysis of diaminopimelic acid- and lysine-requiring mutants of Escherichia coli. J Bacteriol. 1971 Mar;105(3):844–854. doi: 10.1128/jb.105.3.844-854.1971. [DOI] [PMC free article] [PubMed] [Google Scholar]
  5. Fairbanks G., Steck T. L., Wallach D. F. Electrophoretic analysis of the major polypeptides of the human erythrocyte membrane. Biochemistry. 1971 Jun 22;10(13):2606–2617. doi: 10.1021/bi00789a030. [DOI] [PubMed] [Google Scholar]
  6. Guardiola J., De Felice M., Klopotowski T., Iaccarino M. Multiplicity of isoleucine, leucine, and valine transport systems in Escherichia coli K-12. J Bacteriol. 1974 Feb;117(2):382–392. doi: 10.1128/jb.117.2.382-392.1974. [DOI] [PMC free article] [PubMed] [Google Scholar]
  7. Guardiola J., De Felice M., Klopotowski T., Iaccarino M. Mutations affecting the different transport systems for isoleucine, leucine, and valine in Escherichia coli K-12. J Bacteriol. 1974 Feb;117(2):393–405. doi: 10.1128/jb.117.2.393-405.1974. [DOI] [PMC free article] [PubMed] [Google Scholar]
  8. Guardiola J., Iaccarino M. Escherichia coli K-12 mutants altered in the transport of branched-chain amino acids. J Bacteriol. 1971 Dec;108(3):1034–1044. doi: 10.1128/jb.108.3.1034-1044.1971. [DOI] [PMC free article] [PubMed] [Google Scholar]
  9. Hatfield D., Hofnung M., Schwartz M. Genetic analysis of the maltose A region in Escherichia coli. J Bacteriol. 1969 May;98(2):559–567. doi: 10.1128/jb.98.2.559-567.1969. [DOI] [PMC free article] [PubMed] [Google Scholar]
  10. Howe M. M., Bade E. G. Molecular biology of bacteriophage mu. Science. 1975 Nov 14;190(4215):624–632. doi: 10.1126/science.1103291. [DOI] [PubMed] [Google Scholar]
  11. Howe M. M. Prophage deletion mapping of bacteriophage Mu-1. Virology. 1973 Jul;54(1):93–101. doi: 10.1016/0042-6822(73)90118-9. [DOI] [PubMed] [Google Scholar]
  12. LURIA S. E., BURROUS J. W. Hybridization between Escherichia coli and Shigella. J Bacteriol. 1957 Oct;74(4):461–476. doi: 10.1128/jb.74.4.461-476.1957. [DOI] [PMC free article] [PubMed] [Google Scholar]
  13. Laemmli U. K. Cleavage of structural proteins during the assembly of the head of bacteriophage T4. Nature. 1970 Aug 15;227(5259):680–685. doi: 10.1038/227680a0. [DOI] [PubMed] [Google Scholar]
  14. Low B. Rapid mapping of conditional and auxotrophic mutations in Escherichia coli K-12. J Bacteriol. 1973 Feb;113(2):798–812. doi: 10.1128/jb.113.2.798-812.1973. [DOI] [PMC free article] [PubMed] [Google Scholar]
  15. Neidhardt F. C., Bloch P. L., Smith D. F. Culture medium for enterobacteria. J Bacteriol. 1974 Sep;119(3):736–747. doi: 10.1128/jb.119.3.736-747.1974. [DOI] [PMC free article] [PubMed] [Google Scholar]
  16. Oxender D. L. Membrane transport. Annu Rev Biochem. 1972;41(10):777–814. doi: 10.1146/annurev.bi.41.070172.004021. [DOI] [PubMed] [Google Scholar]
  17. Rahmanian M., Claus D. R., Oxender D. L. Multiplicity of leucine transport systems in Escherichia coli K-12. J Bacteriol. 1973 Dec;116(3):1258–1266. doi: 10.1128/jb.116.3.1258-1266.1973. [DOI] [PMC free article] [PubMed] [Google Scholar]
  18. Schwartz M. Location of the maltose A and B loci on the genetic map of Escherichia coli. J Bacteriol. 1966 Oct;92(4):1083–1089. doi: 10.1128/jb.92.4.1083-1089.1966. [DOI] [PMC free article] [PubMed] [Google Scholar]
  19. Wood J. M. Leucine transport in Escherichia coli. The resolution of multiple transport systems and their coupling to metabolic energy. J Biol Chem. 1975 Jun 25;250(12):4477–4485. [PubMed] [Google Scholar]
  20. Zwaig N., Nagel de Zwaig R., Istúriz T., Wecksler M. Regulatory mutations affecting the gluconate system in Escherichia coli. J Bacteriol. 1973 May;114(2):469–473. doi: 10.1128/jb.114.2.469-473.1973. [DOI] [PMC free article] [PubMed] [Google Scholar]

Articles from Journal of Bacteriology are provided here courtesy of American Society for Microbiology (ASM)

RESOURCES