Reference: Flikweert MT, et al. (1999) Growth requirements of pyruvate-decarboxylase-negative Saccharomyces cerevisiae. FEMS Microbiol Lett 174(1):73-9

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Abstract


Pyruvate-decarboxylase (Pdc)-negative Saccharomyces cerevisiae has been reported to grow in batch cultures on glucose-containing complex media, but not on defined glucose-containing media. By a combination of batch and chemostat experiments it is demonstrated that even in complex media, Pdc- S. cerevisiae does not exhibit prolonged growth on glucose. Pdc- strains do grow in carbon-limited cultures on defined media containing glucose-acetate mixtures. The acetate requirement for glucose-limited growth, estimated experimentally by continuously decreasing the acetate feed to chemostat cultures, matched the theoretical acetyl-CoA requirement for lipid and lysine synthesis, consistent with the proposed role of pyruvate decarboxylase in the synthesis of cytosolic acetyl-CoA.

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Comparative Study | Journal Article | Research Support, Non-U.S. Gov't
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Flikweert MT, de Swaaf M, van Dijken JP, Pronk JT
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