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Zelle, R.M. (author), Harrison, J.C. (author), Pronk, J.T. (author), Van Maris, A.J.A. (author)
Malic enzyme catalyzes the reversible oxidative decarboxylation of malate to pyruvate and CO2. The Saccharomyces cerevisiae MAE1 gene encodes a mitochondrial malic enzyme whose proposed physiological roles are related to the oxidative, malate-decarboxylating reaction. Hitherto, the inability of pyruvate carboxylase-negative (Pyc–) S. cerevisiae...
journal article 2010
document
Zelle, R.M. (author), Trueheart, J. (author), Harrison, J.C. (author), Pronk, J.T. (author), Van Maris, A.J.A. (author)
Pyruvate carboxylase is the sole anaplerotic enzyme in glucose-grown cultures of wild-type Saccharomyces cerevisiae. Pyruvate carboxylase-negative (Pyc–) S. cerevisiae strains cannot grow on glucose unless media are supplemented with C4 compounds, such as aspartic acid. In several succinate-producing prokaryotes, phosphoenolpyruvate...
journal article 2010
document
Zelle, R.M. (author), De Hulster, E. (author), Kloezen, W. (author), Pronk, J.T. (author), Van Maris, A.J.A. (author)
A recent effort to improve malic acid production by Saccharomyces cerevisiae by means of metabolic engineering resulted in a strain that produced up to 59 g liter(-1) of malate at a yield of 0.42 mol (mol glucose)(-1) in calcium carbonate-buffered shake flask cultures. With shake flasks, process parameters that are important for scaling up this...
journal article 2010
document
Zelle, R.M. (author), De Hulster, E. (author), Kloezen, W. (author), Pronk, J.T. (author), Van Maris, A.J.A. (author)
A recent effort to improve malic acid production by Saccharomyces cerevisiae by means of metabolic engineering resulted in a strain that produced up to 59 g liter?1 of malate at a yield of 0.42 mol (mol glucose)?1 in calcium carbonate-buffered shake flask cultures. With shake flasks, process parameters that are important for scaling up this...
journal article 2009
document
Abbott, D.A. (author), Zelle, R.M. (author), Pronk, J.T. (author), Van Maris, A.J.A. (author)
To meet the demands of future generations for chemicals and energy and to reduce the environmental footprint of the chemical industry, alternatives for petrochemistry are required. Microbial conversion of renewable feedstocks has a huge potential for cleaner, sustainable industrial production of fuels and chemicals. Microbial production of...
journal article 2009
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Zelle, R.M. (author), De Hulster, E. (author), Van Winden, W.A. (author), De Waard, P. (author), Dijkema, C. (author), Winkler, A.A. (author), Geertman, J.M. (author), Van Dijken, J.P. (author), Pronk, J.T. (author), Van Maris, A.J.A. (author)
Malic acid is a potential biomass-derivable "building block" for chemical synthesis. Since wild-type Saccharomyces cerevisiae strains produce only low levels of malate, metabolic engineering is required to achieve efficient malate production with this yeast. A promising pathway for malate production from glucose proceeds via carboxylation of...
journal article 2008
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