Evidence map›Paper›PMID 34949197›Full record

ArticleMicrobial cell factories2021

Production of 9,21-dihydroxy-20-methyl-pregna-4-en-3-one from phytosterols in Mycobacterium neoaurum by modifying multiple genes and improving the intracellular environment.

Chen-Yang Yuan, Zhi-Guo Ma, Jing-Xian Zhang, Xiang-Cen Liu, Gui-Lin Du, Jun-Song Sun, Ji-Ping Shi, Bao-Guo Zhang

Open access · goldAbstract read
In one paragraph

Article in Microbial cell factories, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
1.4field-weighted citation impact, top 18% 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

8 citing papers in PubMed, 21 citations in OpenAlex.

  1. Article
  2. Review
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  4. Article
  5. Article
  6. Whole-Genome Analysis ofInternational journal of molecular sciences · 2023
    Article
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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

8 authors at 2 institutions in 1 country.

Chen-Yang YuanLab of Biorefinery, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 99 Haike Road, Pudong, Shanghai, 201210, China.
Zhi-Guo MaLab of Biorefinery, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 99 Haike Road, Pudong, Shanghai, 201210, China.
Jing-Xian ZhangLab of Biorefinery, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 99 Haike Road, Pudong, Shanghai, 201210, China.
Xiang-Cen LiuLab of Biorefinery, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 99 Haike Road, Pudong, Shanghai, 201210, China.
Gui-Lin DuLab of Biorefinery, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 99 Haike Road, Pudong, Shanghai, 201210, China.
Jun-Song SunLab of Biorefinery, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 99 Haike Road, Pudong, Shanghai, 201210, China. sunjs@sari.ac.cn.
Ji-Ping ShiLab of Biorefinery, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 99 Haike Road, Pudong, Shanghai, 201210, China.
Bao-Guo ZhangLab of Biorefinery, Shanghai Advanced Research Institute, Chinese Academy of Sciences, No. 99 Haike Road, Pudong, Shanghai, 201210, China. zhangbg@sari.ac.cn.ORCID http://orcid.org/0000-0002-0800-0342
Chinese Academy of Sciences · CNShanghai Advanced Research Institute · CN

Funding

National Key R&D Program of China 2017YFE0112700
6 · The paper itself

Abstract

backgroundSteroid drugs are essential for disease prevention and clinical treatment. However, due to intricated steroid structure, traditional chemical methods are rarely implemented into the whole synthetic process for generating steroid intermediates. Novel steroid drug precursors and their ideal bacterial strains for industrial production have yet to be developed. Among these, 9,21-dihydroxy-20-methyl-pregna-4-en-3-one (9-OH-4-HP) is a novel steroid drug precursor, suitable for the synthesis of corticosteroids. In this study, a combined strategy of blocking Δ

resultsThe Δ

conclusionKstD, Hsd4A, and FadA5 are key enzymes for phytosterol side-chain degradation in the C19 pathway. Double deletion of hsd4A and fadA5 contributes to the blockage of the C19 pathway. Improving the intracellular environment of Mycobacterium neoaurum during phytosterol bioconversion could accelerate the conversion process and enhance the productivity of target sterol derivatives.

Indexed as

Metabolic Networks and PathwaysBacterial ProteinsCoenzyme A-TransferasesGene EditingGene Knockout TechniquesGenome, BacterialHydro-LyasesMycobacteriaceaeOxidoreductasesPhytosterolsProdrugsSteroids3-oxosteroid delta(1) dehydrogenaseacyl-CoA transferaseBacterial ProteinsCoenzyme A-TransferasesD-3-hydroxyacyl CoA dehydrataseHydro-LyasesOxidoreductasesPhytosterolsProdrugsSteroids9,21-dihydroxy-20-methyl-pregna-4-en-3-one (9-OH-4-HP)fadA5hsd4AIntracellular environmentkstD

Identifiers

PMID34949197
PMCPMC8705162
OpenAlexW4200603529

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.