Manganese-dependent growth of Oenococci
Oenococci are usually grown in complex media supplemented with tomato juice. The manganese concentration of tomato juice is about 10 µM, which shows a growth-stimulating effect. Unexpectedly, we found that high concentrations of manganese (34 mM) could replace tomato juice. At this concentration, far exceeding the concentration in growth media, several Oenococcus oeni strains yielded the same cell density as in the presence of tomato juice. The observed significant differences in the manganese dependence should also have an impact on the growth of oenococci in must and wine, where they are used as starter cultures for the removal of malic acid.
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Document Type: Research Article
Affiliations: Institute of Microbiology and Wine Research, Johannes Gutenberg University, 55099, Mainz, Germany
Publication date: August 1, 2005