Catabolism of L-ascorbate by Lactobacillus rhamnosus GG.

  title={Catabolism of L-ascorbate by Lactobacillus rhamnosus GG.},
  author={Denis Linares and Philippe Michaud and A M Delort and Mounir Tra{\"i}kia and Jerome Warrand},
  journal={Journal of agricultural and food chemistry},
  volume={59 8},
Catabolism of L-ascorbate by enteric bacteria is well documented, but no study has formally proved that bacteria of the Lactobacillus genus ferment this compound. However, some genes analogous to those of yiaK-S operon and ula regulon, which encoded proteins leading to L-ascorbate degradation by Escherichia coli and Klebsiella pneumoniae , have been identified in the recently sequenced Lactobacillus rhamnosus GG genome. Investigations by HPLC and in vivo (13)C NMR using L-[1,6-(13)C]-ascorbate… CONTINUE READING
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