Production of a heterologous nonheme catalase by Lactobacillus casei: an efficient tool for removal of H2O2 and protection of Lactobacillus bulgaricus from oxidative stress in milk.

@article{Rochat2006ProductionOA,
  title={Production of a heterologous nonheme catalase by Lactobacillus casei: an efficient tool for removal of H2O2 and protection of Lactobacillus bulgaricus from oxidative stress in milk.},
  author={Tatiana Rochat and Jean-Jacques Gratadoux and Alexandra Gruss and G{\'e}rard Corthier and Emmanuelle Maguin and Philippe Langella and Maarten van de Guchte},
  journal={Applied and environmental microbiology},
  year={2006},
  volume={72 8},
  pages={5143-9}
}
Lactic acid bacteria (LAB) are generally sensitive to H2O2, a compound that they can paradoxically produce themselves, as is the case for Lactobacillus bulgaricus. Lactobacillus plantarum ATCC 14431 is one of the very few LAB strains able to degrade H2O2 through the action of a nonheme, manganese-dependent catalase (hereafter called MnKat). The MnKat gene was expressed in three catalase-deficient LAB species: L. bulgaricus ATCC 11842, Lactobacillus casei BL23, and Lactococcus lactis MG1363… CONTINUE READING

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