Evidence map›Paper›PMID 20398221›Full record

ArticleMolecular microbiology2010

MtsR is a dual regulator that controls virulence genes and metabolic functions in addition to metal homeostasis in the group A streptococcus.

Chadia Toukoki, Kathryn M Gold, Kevin S McIver, Zehava Eichenbaum

Open access · bronzeAbstract read
In one paragraph

Article in Molecular microbiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
1.5field-weighted citation impact, top 15% 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

22 citing papers in PubMed, 44 citations in OpenAlex.

  1. Review
  2. SloR-SRE binding to theJournal of bacteriology · 2025
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  7. AmBio · 2021
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  14. Review
  15. Stress Physiology of Lactic Acid Bacteria.Microbiology and molecular biology reviews : MMBR · 2016
    Review
  16. Article
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  19. Review
  20. The crimson conundrum: heme toxicity and tolerance in GAS.Frontiers in cellular and infection microbiology · 2014
    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 1 institution in 1 country.

Chadia ToukokiDepartment of Biology, College of Arts and Sciences, Georgia State University, Atlanta, GA 30303, USA.
Kathryn M Gold
Kevin S McIver
Zehava Eichenbaum
Georgia State University · US

Funding

PRD-Containing Virulence Regulators of Pathogenic StreptococciR01AI047928 · NIAID · UT SOUTHWESTERN MEDICAL CENTER · PI MCIVER, KEVIN S. · 2001 to 2023
$6.5M
Iron Acquisition From Host Proteins in S. pyogenesR01AI057877 · NIAID · GEORGIA STATE UNIVERSITY · PI EICHENBAUM, ZEHAVA · 2004 to 2008
$1.1M
NIAID NIH HHS AI057877NIAID NIH HHS AI47928NIAID NIH HHS R01 AI047928NIAID NIH HHS R01 AI057877
6 · The paper itself

Abstract

MtsR is a metal-dependent regulator in the group A streptococcus (GAS) that directly represses the transcription of genes involved in haem and metal uptake. While MtsR has been implicated in GAS virulence, the DNA recognition and full regulatory scope exerted by the protein are unknown. In this study we identified the shr promoter (P(shr)) and mapped MtsR binding to a 69 bp segment in P(shr) that overlaps the core promoter elements. A global transcriptional analysis demonstrated that MtsR modulates the expression of 64 genes in GAS, 44 of which were upregulated and 20 were downregulated in the mtsR mutant. MtsR controls genes with diverse functions including metal homeostasis, nucleic acid and amino acid metabolism, and protein fate. Importantly, the MtsR regulon includes mga, emm49 and ska, which are central for GAS pathogenesis. MtsR binding to the promoter region of both negatively and positively regulated genes demonstrates that it functions as a dual regulator. MtsR footprints are large (47-130 bp) and vary between target promoters. A 16 bp motif that consists of an interrupted palindrome is implicated in the DNA recognition by the metalloregulator. In conclusion, we report here that MtsR is a global regulator in GAS that shapes the expression of vital virulence factors and genes involved in metabolic functions and metal transport, and we discuss the implications for the GAS disease process.

Indexed as

Gene Expression Regulation, BacterialGenes, RegulatorAmino Acid SequenceBase SequenceGene Regulatory NetworksHomeostasisMetalsMolecular Sequence DataOperonPromoter Regions, GeneticRegulonStreptococcus pyogenesVirulenceVirulence FactorsMetalsVirulence Factors

Identifiers

PMID20398221
PMCPMC3082948
OpenAlexW2148644267

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.