Evidence map›Paper›PMID 15838029›Full record

ArticleJournal of bacteriology2005

Role of HtrA in growth and competence of Streptococcus mutans UA159.

Sang-Joon Ahn, José A C Lemos, Robert A Burne

Open access · greenAbstract read
In one paragraph

Article in Journal of bacteriology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 72 papers.

0numbers the graph read from it
0cells of the map it votes in
72citing papers in PubMed
8.7field-weighted citation impact, top 2% 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

72 citing papers in PubMed, 108 citations in OpenAlex.

  1. Review
  2. Frontiers in microbiology · 2026
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  9. The Route of Sucrose Utilization byFrontiers in microbiology · 2021
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  10. Review
  11. Peptides encoded in theMicrobiology (Reading, England) · 2020
    Article
  12. Article
  13. Novel Probiotic Mechanisms of the Oral BacteriumApplied and environmental microbiology · 2019
    Article
  14. Article
  15. Essential Roles of theJournal of bacteriology · 2019
    Article
  16. Article
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  18. Mechanistic, genomic and proteomic study on the effects of BisGMA-derived biodegradation product on cariogenic bacteria.Dental materials : official publication of the Academy of Dental Materials · 2017
    Article
  19. Article
  20. Article

12 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

3 authors at 2 institutions in 1 country.

Sang-Joon AhnDepartment of Oral Biology, University of Florida College of Dentistry, Gainesville, FL 32610, USA.
José A C Lemos
Robert A Burne
University of Florida · USFlorida College · US

Funding

GENE REGULATION AND PHYSIOLOGY OF STREPTOCOCCUS MUTANSR01DE012236 · NIDCR · UNIVERSITY OF ROCHESTER · PI Lin Zeng · 1997 to 2026
$8.5M
GENETICS AND PHYSIOLOGY OF ORAL BIOFILMSR01DE013239 · NIDCR · UNIVERSITY OF ROCHESTER · PI BURNE, ROBERT A · 1999 to 2019
$6.6M
NIDCR NIH HHS DE12236NIDCR NIH HHS DE13239NIDCR NIH HHS R01 DE012236NIDCR NIH HHS R01 DE013239
6 · The paper itself

Abstract

We report here that HtrA plays a role in controlling growth and competence development for genetic transformation in Streptococcus mutans. Disruption of the gene for HtrA resulted in slow growth at 37 degrees C, reduced thermal tolerance at 42 degrees C, and altered sucrose-dependent biofilm formation on polystyrene surfaces. The htrA mutant also displayed a significantly reduced ability to undergo genetic transformation. A direct association between HtrA and genetic competence was demonstrated by the increased expression of the htrA gene upon exposure to competence-stimulating peptide. The induction of htrA gradually reached a maximum at around 20 min, suggesting that HtrA may be involved in a late competence response. Complementation of the htrA mutation in a single copy on the chromosome of the mutant could rescue the defective growth phenotypes but not transformability, apparently because a second gene, spo0J, immediately downstream of htrA, also affects transformation. The htrA and spo0J genes were shown to be both individually transcribed and cotranscribed and probably have a functional connection in competence development. HtrA regulation appears to be finely tuned in S. mutans, since strains containing multiple copies of htrA exhibited abnormal growth phenotypes. Collectively, the results reveal HtrA to be an integral component of the regulatory network connecting cellular growth, stress tolerance, biofilm formation, and competence development and reveal a novel role for the spo0J gene in genetic transformation.

Indexed as

Bacterial ProteinsBiofilmsGene DeletionGene Expression Regulation, BacterialGenes, BacterialGenetic Complementation TestHeat-Shock ProteinsMutagenesis, InsertionalPhenotypePolymerase Chain ReactionRNA, BacterialRNA, MessengerSerine EndopeptidasesStreptococcus mutansTranscription, GeneticTransformation, BacterialBacterial ProteinsHeat-Shock ProteinsRNA, BacterialRNA, MessengerSerine Endopeptidases

Identifiers

PMID15838029
PMCPMC1082816
OpenAlexW2110591870

What OpenQuestion holds

Textmetadata
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.