User:Yun-Peng Xu

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Contact Info


I am a postdoctoral research associate in Stephanopoulos group at Massachusetts Institute of Technology.


Short biography

Peng Xu, Ph.D., received his B.S. degree in biological engineering and M.S. degree in biochemical engineering from Jiangnan University (Wuxi, China). After that, he worked two years as a full-time instructor and researcher in Dalian Polytechnic University, where he lectured courses and conducted research on bioprocess and fermentation engineering. He then joined to the graduate program of Chemical and Biological engineering, the State University of New York at Buffalo. In January of 2011, he moved to the Chemical engineering department of Rensselaer Polytechnic Institute to continue his Ph.D. work. His Ph.D. project is mainly focused on the development of synthetic biology tools that support the design, construction and optimization of metabolic pathways. After completion of his Ph.D. degree, he moved to his current position as a postdoctoral research associate in the Department of Chemical Engineering, MIT, where he works on improving lipid biofuel production from Yarrowia lipolytica. Peng’s research work has led to 13 peer-reviewed scientific articles. He was awarded the Danisco Scholarship for Excellent Students in Biotechnology in 2006 and Chinese Government Scholarship for Outstanding Students Studying Abroad in 2012.

Research interests

  1. Metabolic engineering
  2. Synthetic biology
  3. Natural Products/Biofuels
  4. Biochemical/Bioprocess engineering


Please refer to Google Scholar for complete list of publications and citations

  1. Xu P, Wang W, Li L, Zhang F, Bhan N and Koffas MA. (2013) Design and kinetic analysis of a hybrid promoter-regulator system for malonyl-CoA sensing in E. coli. ACS Chemical Biology, Accepted.
  2. Wang W, Englaender J, Xu P, Linhardt RJ, Koffas MA. (2013) Expression of low endotoxin 3-O-sulfotransferase in B. subtilis and B. megaterium. Applied Biochemistry and Biotechnology, Accepted.
  3. Xu P, Gu Q; Wang W, Wong L, Bower A, Collins CH and Koffas MA. (2013) Modular optimization of multi-gene pathway for fatty acids production in E. coli. Nature Communications, 4: 1409.
  4. Bhan N, Xu P and Koffas MA. (2013) Pathway and protein engineering approaches to produce novel and commodity small molecules. Current Opinion in Biotechnology, Accepted.
  5. Bhan N, Xu P, Khalidi O and Koffas MAG. (2013) Redirecting carbon flux into Malonyl-CoA to improve Resveratrol titers: Proof of concept for genetic interventions predicted by OptForce computational framework. Chemical Engineering Science, Accepted manuscript, In press
  6. Xu P and Koffas MA. (2013) Assembly of multi-gene pathways and combinatorial pathway libraries through ePathBrick vectors. Book chapter in Methods in Molecular Biology: Synthetic Biology.
  7. Xu, Peng; Bhan, Namita; Koffas, Mattheos A.G. (2013) Engineering plant metabolism into microbes: from systems biology to synthetic biology. Current Opinion in Biotechnology, 24(2), pp 291-299. PDF
  8. Xu, Peng; Vansiri, Amerin; Bhan, Namita; Koffas, Mattheos A.G. (2012) ePathBrick: A synthetic biology platform for engineering metabolic pathways in E. coli. ACS Synthetic Biology,1 (7), pp 256–266.PDF
  9. Xu, Peng; Ranganathan, Sridhar; Fowler, Zachary; Maranas, Costas D.; Koffas, Mattheos A.G. (2011) Genome-scale metabolic network modeling results in minimal interventions that cooperatively force carbon flux towards malonyl-CoA. Metabolic Engineering, Volume: 13 Issue: 5 Pages: 578-587. PDF
  10. Xu, Peng; Koffas, Mattheos A. G. (2010) Metabolic engineering of Escherichia coli for biofuel production, Biofuels, Volume: 1 Issue: 3 Pages: 493-504. PDF
  11. Zhang, Liang; Ding, Zhongyang; Xu, Peng; et al. (2011) Methyl lucidenate F isolated from the ethanol-soluble-acidic components of Ganoderma lucidum is a novel tyrosinase inhibitor,Biotechnology and Bioprocess Engineering, Volume: 16 Issue: 3 Pages: 457-461. PDF
  12. Xu, Peng; Ding, ZY; Qian, Z; et al. (2008) Improved production of mycelial biomass and ganoderic acid by submerged culture of Ganoderma lucidum SB97 using complex media, Enzyme and Microbial Technology, Volume: 42 Issue: 4 Pages: 325-331. PDF
  13. Zhang, TX; Xu, P; Sun, J; et al. (2009) Identification of Biological Wort Turbidity Caused by Microbial Contamination of Gairdner Barley, Journal of the American Society of Brewing Chemists, Volume: 67 Issue: 1 Pages: 33-37


  1. Xu P and Koffas MA. Engineering a synthetic malonyl-CoA controller for dynamic tuning metabolic flux in E. coli. 2013 AIChE annual meeting, San Francisco, CA (talk)
  2. Xu P. Engineering tailor-made microbial cell factories for phytochemical and fuels production. Invited by School of Engineering, Case Western Reserve University, Cleveland, OH. September 10, 2013 (talk)
  3. Xu P and Koffas MA. Expanding the synthetic biology toolbox for engineering metabolic pathways in E. Coli. 2012 AIChE annual meeting, Pittsburgh, PA (talk)
  4. Xu P and Koffas MA. ePathBrick directed modular pathway engineering for improved fatty acids production in E. Coli. 2012 AIChE annual meeting, Pittsburgh, PA (talk)
  5. Xu P, Ranganathan S, Maranas CD and Koffas MA. Genome-scale metabolic network modeling results in minimal interventions that cooperatively force carbon flux towards malonyl-CoA. 2011 AIChE annual meeting, Minneapolis, MN (talk)
  6. Xu P and Koffas MA. Engineering synthetic malonyl-CoA sensor for dynamic tuning of metabolic flux in E. coli. The 1st Electrofuels Conference (2011), Society of Biological Engineering, Providence, RI (poster)
  7. Xu P, Ranganathan S, Koffas MA and Maranas CD. An integrated computational and experimental study to increase the production rate of flavanones in E. Coli. 2010 AIChE annual meeting, Salt Lake City, UT (talk)

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