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Updated: May 3, 2026

Analysis of Neutral Lipid Synthesis in Saccharomyces cerevisiae by Metabolic Labeling and Thin Layer Chromatography
Published on: February 2, 2021
Construction of reductive pathway in Saccharomyces cerevisiae for effective succinic acid fermentation at low pH
Daojiang Yan1, Caixia Wang1, Jiemin Zhou1
1National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, P.O. Box 353, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China.
Abstract:
Succinic acid is an important precursor for the synthesis of high-value-added products. Saccharomyces cerevisiae is a suitable platform for succinic acid production because of its high tolerance towards acidity. In this study, a modified pathway for succinate production was established and investigated in S. cerevisiae. The engineered strain could produce up to 6.17±0.34g/L of succinate through the constructed pathway. The succinate titer was further improved to 8.09±0.28g/L by the deletion of GPD1 and even higher to 9.98±0.23g/L with a yield of 0.32mol/mol glucose through regulation of biotin and urea levels. Under optimal supplemental CO2 conditions in a bioreactor, the engineered strain produced 12.97±0.42g/L succinate with a yield of 0.21mol/mol glucose at pH 3.8. These results demonstrated that the proposed engineering strategy was efficient for succinic acid production at low pH value.
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