Derepression of Excision of Integrative and Potentially Conjugative Elements from Streptococcus thermophilus by DNA Damage Response: Implication of a cI-Related Repressor

Author:

Bellanger Xavier1,Morel Catherine1,Decaris Bernard1,Guédon Gérard1

Affiliation:

1. Laboratoire de Génétique et Microbiologie UMR1128, INRA, IFR110, Université Henri Poincaré Nancy 1, F-54506 Vandœuvre-lès-Nancy, France

Abstract

ABSTRACT A DNA-damaging agent, mitomycin C, derepresses the site-specific excision of two integrative and potentially conjugative elements from Streptococcus thermophilus , ICE St1 and ICE St3 . The regulation pathway involves a repressor related to phage lambda cI repressor. It could also involve a putative regulator related to another type of phage repressors, the “cI-like” repressors.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

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