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Applied Microbiology and Biotechnology

, Volume 103, Issue 5, pp 2087–2099 | Cite as

New technologies provide more metabolic engineering strategies for bioethanol production in Zymomonas mobilis

  • Kun Zhang
  • Xinxin Lu
  • Yi Li
  • Xiaobing Jiang
  • Lei Liu
  • Hailei WangEmail author
Mini-Review

Abstract

Bioethanol has been considered as a potentially renewable energy source, and metabolic engineering plays an important role in the production of biofuels. As an efficient ethanol-producing bacterium, Zymomonas mobilis has garnered special attention due to its high sugar uptake, ethanol yield, and tolerance. Different metabolic engineering strategies have been used to establish new metabolic pathways for Z. mobilis to broaden its substrate range, remove competing pathways, and enhance its tolerance to ethanol and lignocellulosic hydrolysate inhibitors. Recent advances in omics technology, computational modeling and simulation, system biology, and synthetic biology contribute to the efficient re-design and manipulation of microbes via metabolic engineering at the whole-cell level. In this review, we summarize the progress of some new technologies used for metabolic engineering to improve bioethanol production and tolerance in Z. mobilis. Some successful examples of metabolic engineering used to develop strains for ethanol production are described in detail. Lastly, some important strategies for future metabolic engineering efforts are also highlighted.

Keywords

Bioethanol Metabolic engineering Zymomonas mobilis Lignocellulosic hydrolysates Inhibitor 

Notes

Funding

This work was supported by grants from the Key Project of Natural Science of the Education Department of Henan Province, China (17A180028), the Youth Foundation of Henan Normal University (2015QK18), the National Research project Cultivation Foundation of Henan Normal University (2017PL08), and the Doctoral Scientific Research Start-up Foundation of Henan Normal University (5101049170167).

Compliance with ethical standards

Competing interests

The authors declare that they have no competing interests.

Ethical approval

This study does not contain any studies with human participants or animals performed by any of the authors. All authors read and approved the final manuscript.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Kun Zhang
    • 1
  • Xinxin Lu
    • 1
  • Yi Li
    • 1
  • Xiaobing Jiang
    • 1
  • Lei Liu
    • 1
  • Hailei Wang
    • 1
    Email author
  1. 1.Henan Province Engineering Laboratory for Bioconversion Technology of Functional Microbes, College of Life SciencesHenan Normal UniversityXinxiangChina

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