Transport of malic acid in Leuconostoc oenos strains defective in malolactic fermentation: a model to evaluate the kinetic parameters

@article{TourdotMarchal2004TransportOM,
  title={Transport of malic acid in Leuconostoc oenos strains defective in malolactic fermentation: a model to evaluate the kinetic parameters},
  author={Rapha{\"e}lle Tourdot-Mar{\'e}chal and J. -F. Cavin and Zohra Drici-Cachon and Charles Divi{\`e}s},
  journal={Applied Microbiology and Biotechnology},
  year={2004},
  volume={39},
  pages={499-505}
}
Two Leuconostoc oenos mutant strains unable to metabolize malic acid were differentiated by [U-14C]-labelled L-malate transport assays into a malolactic-enzyme-deficient mutant and a malate-transport-defective mutant. A mathematical analysis of the data from L-malic acid uptake at three pH values (5.2, 4.5, and 3.2) in the malolactic-enzyme-deficient strains suggest two simultaneous uptake mechanisms, presumably a carrier-mediated transport and a passive diffusion for the anionic and the… CONTINUE READING

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