Article
Expression of the bacterial catalase genes during Sinorhizobium meliloti-Medicago sativa symbiosis and their crucial role during the infection process.
Molecular plant-microbe interactions : MPMI - 1 Mar 2003
Jamet Alexandre, Sigaud Samuel, Van de Sype Ghislaine, Puppo Alain, Hérouart Didier
Abstract excerpt
Sinorhizobium meliloti possesses three distinct catalases to cope with oxidative stress: two monofunctional catalases (KatA and KatC) and one bifunctional catalase-peroxydase (KatB). The katB gene is constitutively expressed during growth in batch culture and is not induced under oxidative stress conditions. In contrast, the expression of katA and katC genes is mainly regulated at the transcription level in these...
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