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The yfeR gene of Salmonella enterica serovar Typhimurium encodes an osmoregulated LysR-type transcriptional regulator

  1. Rosa C. Baños1,
  2. Josefina Martínez2,
  3. Carolina Polo1,
  4. Cristina Madrid2,
  5. Antoni Prenafeta1,
  6. Antonio Juárez1,2

Article first published online: 22 DEC 2010

DOI: 10.1111/j.1574-6968.2010.02171.x

Issue

FEMS Microbiology Letters

FEMS Microbiology Letters

Volume 315, Issue 1, pages 63–71, February 2011

Additional Information

How to Cite

Baños, R. C., Martínez, J., Polo, C., Madrid, C., Prenafeta, A. and Juárez, A. (2011), The yfeR gene of Salmonella enterica serovar Typhimurium encodes an osmoregulated LysR-type transcriptional regulator. FEMS Microbiology Letters, 315: 63–71. doi: 10.1111/j.1574-6968.2010.02171.x

Author Information

  1. 1

    Institut de Bioenginyeria de Catalunya, Barcelona, Spain

  2. 2

    Departament de Microbiologia, Facultat de Biologia, Universitat de Barcelona, Barcelona, Spain

*Correspondence: Antonio Juárez, Departament de Microbiologia, Facultat de Biologia, Universitat de Barcelona, Avda. Diagonal 645, 08028 Barcelona, Spain. Tel.: +34 93 403 4624; fax: +34 93 403 4629; e-mail: ajuarez@ub.edu

  1. Editor: Jeff Cole

Publication History

  1. Issue published online: 4 JAN 2011
  2. Article first published online: 22 DEC 2010
  3. Accepted manuscript online: 25 NOV 2010 07:41AM EST
  4. Received 10 November 2010; accepted 16 November 2010.Final version published online December 2010.

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Keywords:

  • YfeR;
  • Salmonella;
  • LysR;
  • osmoregulation;
  • LTTR

Abstract

A genetic screening for osmoregulated genes allowed us to identify the yfeR gene of Salmonella enterica serovar Typhimurium. The yfeR gene product encodes a novel LysR-type transcriptional regulator (LTTR), the expression of which decreases when external osmolarity increases. Out of the adjacent gene yfeH, YfeR modulates expression of several genes that may be required for optimal growth under low osmolarity conditions.

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