Journal
BIOTECHNOLOGY LETTERS
Volume 22, Issue 12, Pages 983-986Publisher
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1005672801826
Keywords
copper; erythritol; manganese; minerals; Torula sp.
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The production of erythritol and the erythritol yield from glucose by Torula sp. were improved, in increasing order, by supplementing with 10 mg MnSO4 . 4H(2)O l(-1), 2 mg CuSO4 . 5H(2)O l(-1), and both 10 mg MnSO4 . 4H(2)O l(-1) and 2 mg CuSO4 . 5H(2)O l(-1). Mn2+ decreased the intracellular concentration of erythritol, whereas Cu2+ increased the activity of erythrose reductase in cells. These results suggest that Mn2+ altered the permeability of cells, whereas Cu2+ increased the activity of erythrose reductase in cells.
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