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Journal of Bacteriology, October 1999, p. 6220-6221, Vol. 181, No. 19
0021-9193/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.

recD sbcB sbcD Mutants Are Deficient in Recombinational Repair of UV Lesions by RecBC

Marie Seigneur, S. Dusko Ehrlich, and Bénédicte Michel*

Génétique Microbienne, Institut National de la Recherche Agronomique, 78352 Jouy en Josas Cedex, France

Received 26 April 1999/Accepted 30 July 1999

In recD sbcB sbcD mutants, repair of UV-irradiated DNA is strongly RecF dependent, indicating that RecBC is inactive. This finding suggests that exonuclease V, exonuclease I (SbcB), and the SbcCD nuclease play a redundant role in vivo, which is essential for the recombination activity of the RecBC complex during UV repair.

* Corresponding author. Mailing address: Génétique Microbienne, Institut National de la Recherche Agronomique, 78352 Jouy en Josas Cedex, France. Phone: (33) 1 34 65 25 14. Fax: (33) 1 34 65 25 21. E-mail: bmichel{at}biotec.jouy.inra.fr.

Journal of Bacteriology, October 1999, p. 6220-6221, Vol. 181, No. 19
0021-9193/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.


This article has been cited by other articles:

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  • Thermic, D. (2006). Functions of Multiple Exonucleases Are Essential for Cell Viability, DNA Repair and Homologous Recombination in recD Mutants of Escherichia coli. Genetics 172: 2057-2069 [Abstract] [Full Text]  
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