Evidence map›Paper›PMID 30797484›Full record

ArticleEnzyme and microbial technology2019

Effects of lipopolysaccharide structure on lycopene production in Escherichia coli.

Mao Cui, Zhou Wang, Xiaoqing Hu, Xiaoyuan Wang

Abstract read
In one paragraph

Article in Enzyme and microbial technology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed, 1 pooled it
0.8field-weighted citation impact, top 30% of its field
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

6 citing papers in PubMed, 1 synthesis or guideline pooled it, 19 citations in OpenAlex.

  1. Pooled it
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  3. Review
  4. Review
  5. Review
  6. 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

4 authors at 3 institutions in 1 country.

Mao CuiState Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, 214122, China; Key Laboratory of Industrial Biotechnology of Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China.
Zhou WangCollege of Biochemical Engineering, Anhui Polytechnic University, Wuhu, 241000, China.
Xiaoqing HuState Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, 214122, China. Electronic address: hu.x.q@hotmail.com.
Xiaoyuan WangState Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, 214122, China; Key Laboratory of Industrial Biotechnology of Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China. Electronic address: xwang@jiangnan.edu.cn.
Jiangnan University · CNAnhui Polytechnic University · CNState Key Laboratory of Food Science and Technology · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Lipopolysaccharides, the major molecules in the outer membrane of Escherichia coli, affect the behavior of bacteria including outer membrane permeability, but its influence on lycopene production in E. coli has never been reported. In this study, the effects of lipopolysaccharides with different structures on lycopene biosynthesis were investigated. Firstly, the heterogenous crtEBI operon were overexpressed in 10 LPS mutant strains of E. coli W3110 (ΔwaaC, ΔwaaF, ΔwaaY, ΔwaaG, ΔwaaR, ΔwaaO, ΔwaaU, ΔwaaP, ΔwaaY and ΔwaaB), and their ability to produce lycopene were compared. ΔwaaC/pWSK29-crtEBI, ΔwaaF/pWSK29-crtEBI and ΔwaaY/pWSK29-crtEBI produced 4.19, 4.20, and 3.81 mg/g lycopene, respectively, while the control W3110/pWSK29-crtEBI produced 3.71 mg/g lycopene; the other strains produced less lycopene than the control. In order to enhance lycopene production, genes dxr, dxr, ispA, and idi were overexpressed in ΔwaaC/pWSK29-crtEBI, ΔwaaF/pWSK29-crtEBI individually or in combination, and the lycopene production in each strain was analyzed. The maximum yield of 5.39 mg/g was achieved in ΔwaaC/pWSK29-crtEBI-SRA, which is 142% higher than that in W3110/pWSK29-crtEBI. The results indicate that the length of lipopolysaccharide affects lycopene biosynthesis in E. coli, and the shorter lipopolysaccharide and higher outer membrane permeability might be beneficial to lycopene biosynthesis.

Indexed as

Metabolic EngineeringCell Membrane PermeabilityEscherichia coliEscherichia coli ProteinsGene ExpressionLipopolysaccharidesLycopeneMetabolic Networks and PathwaysMutationEscherichia coli ProteinsLipopolysaccharidesLycopeneEscherichia coliLipopolysaccharideLycopenePermeabilitywaaC

Identifiers

PMID30797484
PMCPMC7112376
OpenAlexW2914508942

What OpenQuestion holds

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Read underepoch 390

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.