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Oxaloacetate and malate production in engineered Escherichia coli by expression of codon-optimized phosphoenolpyruvate carboxylase2 gene from Dunaliella salina

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Abstract

A new phosphoenolpyruvate carboxylase (PEPC) gene of Dunaliella salina is identified using homology analysis was conducted using PEPC gene of Chlamydomonas reinhardtii and Arabidopsis thaliana. Recombinant E. coli SGJS115 with increased production of malate and oxaloacetate was developed by introducing codon-optimized phosphoenolpyruvate carboxylase2 (OPDSPEPC2) gene of Dunaliella salina. E. coli SGJS115 yielded a 9.9 % increase in malate production. In addition, E. coli SGJS115 exhibited two times increase in the yield of oxaloacetate over the E. coli SGJS114 having identified PEPC2 gene obtained from Dunaliella salina.

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Acknowledgments

This work was supported by the National Research Foundation of Korea Grant funded by the Korean Government (MEST) (NRF-C1ABA001-2010-0020501).

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Correspondence to Seung Pil Pack or Jinwon Lee.

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Park, S., Chang, K.S., Jin, E. et al. Oxaloacetate and malate production in engineered Escherichia coli by expression of codon-optimized phosphoenolpyruvate carboxylase2 gene from Dunaliella salina . Bioprocess Biosyst Eng 36, 127–131 (2013). https://doi.org/10.1007/s00449-012-0759-4

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  • DOI: https://doi.org/10.1007/s00449-012-0759-4

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