Evidence map›Paper›PMID 30426284›Full record

ReviewJournal of industrial microbiology & biotechnology2019

Metabolic engineering for improving L-tryptophan production in Escherichia coli.

Hao Niu, Ruirui Li, Quanfeng Liang, Qingsheng Qi, Qiang Li, Pengfei Gu

Abstract readReview
PubMed Publisher
In one paragraph

Review in Journal of industrial microbiology & biotechnology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed.

  1. Article
  2. Article
  3. Optimizing L-Tryptophan Production inJournal of microbiology and biotechnology · 2025
    Article
  4. Article
  5. Systems metabolic engineering ofSynthetic and systems biotechnology · 2025
    Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. A comprehensive review and comparison of L-tryptophan biosynthesis inFrontiers in bioengineering and biotechnology · 2023
    Review
  11. Article
  12. Article
  13. Article
  14. Microbial pigments: Learning from Himalayan perspective to industrial applications.Journal of industrial microbiology & biotechnology · 2022
    Article
  15. Article
  16. Article
  17. Review
  18. Article
  19. Article
  20. Pathway engineering ofMetabolic engineering communications · 2020
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Hao NiuSchool of Biological Science and Technology, University of Jinan, Jinan, 250022, People's Republic of China.
Ruirui LiSchool of Biological Science and Technology, University of Jinan, Jinan, 250022, People's Republic of China.
Quanfeng LiangState Key Laboratory of Microbial Technology, Shandong University, Jinan, 250100, People's Republic of China.
Qingsheng QiState Key Laboratory of Microbial Technology, Shandong University, Jinan, 250100, People's Republic of China.
Qiang LiSchool of Biological Science and Technology, University of Jinan, Jinan, 250022, People's Republic of China.
Pengfei GuSchool of Biological Science and Technology, University of Jinan, Jinan, 250022, People's Republic of China. bio_gupf@ujn.edu.cn.

Funding

National Natural Science Foundation of China 31100088National Natural Science Foundation of China 31600066National Natural Science Foundation of China 31600148State Key Laboratory of Microbial Technology Open Projects Fund M2016-10the Shandong province science and technology development plan (2013GSF12006the Shandong Provincial Natural Science Foundation ZR2016CB20the Shandong Provincial Natural Science Foundation ZR2016CL02
6 · The paper itself

Abstract

L-Tryptophan is an important aromatic amino acid that is used widely in the food, chemical, and pharmaceutical industries. Compared with the traditional synthetic methods, production of L-tryptophan by microbes is environmentally friendly and has low production costs, and feed stocks are renewable. With the development of metabolic engineering, highly efficient production of L-tryptophan in Escherichia coli has been achieved by eliminating negative regulation factors, improving the intracellular level of precursors, engineering of transport systems and overexpression of rate-limiting enzymes. However, challenges remain for L-tryptophan biosynthesis to be cost-competitive. In this review, successful and applicable strategies derived from metabolic engineering for increasing L-tryptophan accumulation in E. coli are summarized. In addition, perspectives for further efficient production of L-tryptophan are discussed.

Indexed as

Metabolic EngineeringAcetatesAmino Acids, AromaticBacterial ProteinsEscherichia coliEscherichia coli ProteinsIndustrial MicrobiologyRepressor ProteinsTryptophanAcetatesAmino Acids, AromaticBacterial ProteinsEscherichia coli ProteinsRepressor ProteinsTRPR protein, E coliTryptophanTyrR protein, E coliEscherichia coliL-TryptophanMetabolic engineering

Identifiers

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.