Evidence map›Paper›PMID 21278297›Full record

ArticleJournal of bacteriology2011

EAL domain protein YdiV acts as an anti-FlhD4C2 factor responsible for nutritional control of the flagellar regulon in Salmonella enterica Serovar Typhimurium.

Takeo Wada, Tomoe Morizane, Tatsuhiko Abo, Akira Tominaga, Kanako Inoue-Tanaka, Kazuhiro Kutsukake

Abstract read
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Article in Journal of bacteriology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers.

0numbers the graph read from it
0cells of the map it votes in
62citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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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

62 citing papers in PubMed.

  1. Article
  2. The last bacterial common ancestor encoded a complex flagellum.bioRxiv : the preprint server for biology · 2026
    Article
  3. Molecular strategies ofFrontiers in cellular and infection microbiology · 2026
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  4. SanA is an inner membrane protein mediatingMicrobiology spectrum · 2025
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  8. Review
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  20. Article

2 more citing papers are in PubMed but not listed here.

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.

Takeo WadaDepartment of Biology, Faculty of Science, Okayama University, Tsushima-Naka 3-1-1, Kita-ku, Okayama 700-8530, Japan.
Tomoe Morizane
Tatsuhiko Abo
Akira Tominaga
Kanako Inoue-Tanaka
Kazuhiro Kutsukake

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Flagellar operons are divided into three classes with respect to their transcriptional hierarchy in Salmonella enterica serovar Typhimurium. The class 1 gene products FlhD and FlhC act together in an FlhD(4)C(2) heterohexamer, which binds upstream of the class 2 promoters to facilitate binding of RNA polymerase. In this study, we showed that flagellar expression was much reduced in the cells grown in poor medium compared to those grown in rich medium. This nutritional control was shown to be executed at a step after class 1 transcription. We isolated five Tn5 insertion mutants in which the class 2 expression was derepressed in poor medium. These insertions were located in the ydiV (cdgR) gene or a gene just upstream of ydiV. The ydiV gene is known to encode an EAL domain protein and to act as a negative regulator of flagellar expression. Gene disruption and complementation analyses revealed that the ydiV gene is responsible for nutritional control. Expression analysis of the ydiV gene showed that its translation, but not transcription, was enhanced by growth in poor medium. The ydiV mutation did not have a significant effect on either the steady-state level of flhDC mRNA or that of FlhC protein. Purified YdiV protein was shown in vitro to bind to FlhD(4)C(2) through interaction with FlhD subunit and to inhibit its binding to the class 2 promoter, resulting in inhibition of FlhD(4)C(2)-dependent transcription. Taking these data together, we conclude that YdiV is a novel anti-FlhD(4)C(2) factor responsible for nutritional control of the flagellar regulon.

Indexed as

Bacteriological TechniquesCulture MediaFlagellaGene Expression Regulation, BacterialProtein Array AnalysisRegulonRNA, BacterialRNA, MessengerSalmonella typhimuriumUp-RegulationCulture MediaRNA, BacterialRNA, Messenger

Identifiers

PMID21278297
PMCPMC3067674

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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.