Evidence map›Paper›PMID 29987412›Full record

ArticleParasitology research2018

Prevalence of two Entamoeba gingivalis ST1 and ST2-kamaktli subtypes in the human oral cavity under various conditions.

Gabriela Garcia, Fernando Ramos, Juan Maldonado, Antonio Fernandez, Jorge Yáñez, Lilian Hernandez, Paul Gaytán

Abstract read
PubMed Publisher
In one paragraph

Article in Parasitology research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 3 pooled it
2.5field-weighted citation impact, top 11% 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

17 citing papers in PubMed, 3 syntheses or guidelines pooled it, 45 citations in OpenAlex.

  1. Pooled it
  2. RETRACTED: Association ofMedicina (Kaunas, Lithuania) · 2024
    Pooled it
  3. Pooled it
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  11. Assessment ofArchives of Razi Institute · 2022
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  12. Frontiers in cellular and infection microbiology · 2022
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  13. Journal of oral microbiology · 2021
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  14. Oral Colonization byFrontiers in cellular and infection microbiology · 2021
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  15. Article
  16. Case Report: Cervicovaginal Co-Colonization withThe American journal of tropical medicine and hygiene · 2019
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  17. Reassessing the Role ofFrontiers in cellular and infection microbiology · 2018
    Review
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.

Gabriela GarciaLaboratorio de Microbiología Molecular, Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, Mexico. garciap@unam.mx.ORCID http://orcid.org/0000-0003-4621-0794
Fernando RamosLaboratorio de Microbiología Molecular, Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, Mexico.
Juan MaldonadoClínicas de Periodoncia and Ortodoncia, División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México, Ciudad de México, Mexico.
Antonio FernandezClínicas de Periodoncia and Ortodoncia, División de Estudios de Posgrado e Investigación, Facultad de Odontología, Universidad Nacional Autónoma de México, Ciudad de México, Mexico.
Jorge YáñezUnidad de Síntesis y Secuenciación de DNA, Instituto de Biotecnología, UNAM, Cuernavaca, Morelos, Mexico.
Lilian HernandezLaboratorio de Microbiología Molecular, Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Ciudad de México, Mexico.
Paul GaytánUnidad de Síntesis y Secuenciación de DNA, Instituto de Biotecnología, UNAM, Cuernavaca, Morelos, Mexico.
Universidad Nacional Autónoma de México · MX

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Advances in molecular biology have facilitated analyses of the oral microbiome; however, the parasites role is poorly understood. Periodontal disease is a multifactorial process involving complex interactions among microorganisms, the host, and environmental factors. At present, the precise composition of the mouth parasites microbiota is unclear. Two protozoan species have been detected in the oral microbiota: Trichomonas tenax and Entamoeba gingivalis, and a new variant, E. gingivalis-ST2-kamaktli, was recently identified by us. In this study, both E. gingivalis and the new E. gingivalis-ST2-kamaktli variant were detected in the oral cavities of people with healthy periodontium, individuals undergoing orthodontic treatment, and patients with periodontal disease. In the group with healthy periodontium, the prevalence of E. gingivalis-ST1 was 48.6% and that of E. gingivalis-ST2-kamaktli 29.5%, with a combined prevalence of 54.3%. In patients undergoing orthodontics treatment, 81.2% carried both amoebas, with 47.5% having E. gingivalis-ST1 and 73.8% E. gingivalis-ST2-kamaktli. In people with periodontal disease, the prevalence of E. gingivalis-ST1 was 57.8%, and that of E. gingivalis-ST2-kamaktli 50.0%, with a combined prevalence of 73.5%; hence, E. gingivalis-ST1 and E gingivalis-ST2-kamaktli were detected in all three groups. The question arises, what are E. gingivalis-ST1 and E. gingivalis-ST2-kamaktli doing in the oral cavity? Although, the answer remains unclear, our results suggest that each amoeba subtype is genetically distinct, and they exhibit different patterns of infectious behavior. We hypothesize that E. gingivalis-ST1 and E. gingivalis-ST2-kamaktli may represent separate species. Our data contribute to better understanding of the roles of E. gingivalis-ST1 and E. gingivalis-ST2-kamaktli in the oral microbiota.

Indexed as

AdolescentAdultAgedAged, 80 and overEntamoebaEntamoebiasisFemaleHumansMaleMicrobiotaMiddle AgedMolecular EpidemiologyMouthPeriodontal DiseasesPrevalenceTrichomonasE. gingivalis-ST2-Kamaktli subtypeEntamoeba gingivalis-ST1Molecular epidemiology of oral amoebiasisOral Entamoeba species subtypesOrthodontics-treatment parasite infectionsPeriodontal diseases

Identifiers

PMID29987412
OpenAlexW2828796478

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.