Evidence map›Paper›PMID 10919787›Full record

ArticleApplied and environmental microbiology2000

Genotypic heterogeneity of Streptococcus oralis and distinct aciduric subpopulations in human dental plaque.

S Alam, S R Brailsford, S Adams, C Allison, E Sheehy, L Zoitopoulos, E A Kidd, D Beighton

Open access · greenAbstract read
In one paragraph

Article in Applied and environmental microbiology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
4.6field-weighted citation impact, top 6% 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

18 citing papers in PubMed, 51 citations in OpenAlex.

  1. Anandamide Alters Glycolytic Activity inInternational journal of molecular sciences · 2025
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  2. Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. Population structure of Streptococcus oralis.Microbiology (Reading, England) · 2009
    Article
  8. Isolation and identification of bifidobacteriaceae from human saliva.Applied and environmental microbiology · 2008
    Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Review
  15. Article
  16. Surviving the acid test: responses of gram-positive bacteria to low pH.Microbiology and molecular biology reviews : MMBR · 2003
    Review
  17. Article
  18. 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

8 authors at 1 institution in 1 country.

S AlamDental Caries Research Group, Guy's, King's, and St. Thomas' Dental Institute, London, England.
S R Brailsford
S Adams
C Allison
E Sheehy
L Zoitopoulos
E A Kidd
D Beighton
Unilever (United Kingdom) · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The genotypic heterogeneity of Streptococcus oralis isolated from the oral cavity was investigated using repetitive extragenic palindromic PCR. Unrelated subjects harbored unique genotypes, with numerous genotypes being isolated from an individual. S. oralis is the predominant aciduric bacterium isolated from noncarious tooth sites. Genotypic comparison of the aciduric populations isolated at pH 5.2 with those isolated from mitis-salivarius agar (MSA) (pH 7.0) indicated that the aciduric populations were genotypically distinct in the majority of subjects (chi(2) = 13.09; P = 0.0031). Neither the aciduric nor the MSA-isolated strains were stable, with no strains isolated at baseline being isolated 4 or 12 weeks later in the majority of subjects. The basis of this instability is unknown but is similar to that reported for Streptococcus mitis. Examination of S. oralis strains isolated from cohabiting couples demonstrated that in three of five couples, genotypically identical strains were isolated from both partners and this was confirmed by using Salmonella enteritidis repetitive element PCR and enterobacterial PCR typing. These data provide further evidence of the physiological and genotypic heterogeneity of non-mutans streptococci. The demonstration of distinct aciduric populations of S. oralis implies that the role of these and other non-mutans streptococci in the caries process requires reevaluation.

Indexed as

Genetic VariationDental PlaqueFemaleGenotypeHumansHydrogen-Ion ConcentrationMalePolymerase Chain ReactionSalivaStreptococcal InfectionsStreptococcus oralis

Identifiers

PMID10919787
PMCPMC92151
OpenAlexW2104221426

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.