Evidence map›Paper›PMID 28535774›Full record

ArticleMicrobial cell factories2017

A bacterial negative transcription regulator binding on an inverted repeat in the promoter for epothilone biosynthesis.

Xin-Jing Yue, Xiao-Wen Cui, Zheng Zhang, Ran Peng, Peng Zhang, Zhi-Feng Li, Yue-Zhong Li

Open access · goldAbstract read
In one paragraph

Article in Microbial cell factories, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
0.8field-weighted citation impact, top 28% 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

9 citing papers in PubMed, 11 citations in OpenAlex.

  1. Heterologous production of epothilones inSynthetic and systems biotechnology · 2026
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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

7 authors at 1 institution in 1 country.

Xin-Jing YueState Key Laboratory of Microbial Technology, School of Life Science, Shandong University, Jinan, 250100, China.
Xiao-Wen CuiState Key Laboratory of Microbial Technology, School of Life Science, Shandong University, Jinan, 250100, China.
Zheng ZhangState Key Laboratory of Microbial Technology, School of Life Science, Shandong University, Jinan, 250100, China.
Ran PengState Key Laboratory of Microbial Technology, School of Life Science, Shandong University, Jinan, 250100, China.
Peng ZhangState Key Laboratory of Microbial Technology, School of Life Science, Shandong University, Jinan, 250100, China.
Zhi-Feng LiState Key Laboratory of Microbial Technology, School of Life Science, Shandong University, Jinan, 250100, China.
Yue-Zhong LiState Key Laboratory of Microbial Technology, School of Life Science, Shandong University, Jinan, 250100, China. lilab@sdu.edu.cn.ORCID http://orcid.org/0000-0001-8336-6638
Shandong University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMicrobial secondary metabolism is regulated by a complex and mostly-unknown network of global and pathway-specific regulators. A dozen biosynthetic gene clusters for secondary metabolites have been reported in myxobacteria, but a few regulation factors have been identified.

resultsWe identified a transcription regulator Esi for the biosynthesis of epothilones. Inactivation of esi promoted the epothilone production, while overexpression of the gene suppressed the production. The regulation was determined to be resulted from the transcriptional changes of epothilone genes. Esi was able to bind, probably via the N-terminus of the protein, to an inverted repeat sequence in the promoter of the epothilone biosynthetic gene cluster. The Esi-homologous sequences retrieved from the RefSeq database are all of the Proteobacteria. However, the Esi regulation is not universal in myxobacteria, because the esi gene exists only in a few myxobacterial genomes.

conclusionsEsi binds to the epothilone promoter and down-regulates the transcriptional level of the whole gene cluster to affect the biosynthesis of epothilone. This is the first transcription regulator identified for epothilone biosynthesis.

Indexed as

Gene Expression Regulation, BacterialInverted Repeat SequencesTranscription, GeneticEpothilonesMultigene FamilyMyxococcalesPromoter Regions, GeneticProteobacteriaSecondary MetabolismSuppression, GeneticEpothilonesEpothilone synthesisInverted repeat sequence in promoterMyxobacteriaNegative transcription regulatorProteobacteriaTranscription inhibition

Identifiers

PMID28535774
PMCPMC5442856
OpenAlexW2617602126

What OpenQuestion holds

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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.