Evidence map›Paper›PMID 26986203›Full record

ArticlePLoS neglected tropical diseases2016

Co-infection of Ticks: The Rule Rather Than the Exception.

Sara Moutailler, Claire Valiente Moro, Elise Vaumourin, Lorraine Michelet, Florence Hélène Tran, Elodie Devillers, Jean-François Cosson, Patrick Gasqui, Van Tran Van, Patrick Mavingui and 2 more

Open access · goldAbstract read
In one paragraph

Article in PLoS neglected tropical diseases, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 157 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
157citing papers in PubMed, 1 pooled it
29.0field-weighted citation impact, top 1% 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

157 citing papers in PubMed, 1 synthesis or guideline pooled it, 292 citations in OpenAlex.

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97 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

12 authors at 6 institutions in 1 country.

Sara MoutaillerUMR Bipar, Anses, INRA, ENVA 14 Rue Pierre et Marie Curie, Maisons-Alfort, France.
Claire Valiente MoroUniversité de Lyon, Lyon, France; Université Lyon 1, Villeurbanne, France; CNRS, UMR5557, Ecologie Microbienne, Villeurbanne, France; INRA, UMR1418, Villeurbanne, France.
Elise VaumourinEPIA, INRA, 63122 Saint Genès Champanelle, France.
Lorraine MicheletUMR Bipar, Anses, INRA, ENVA 14 Rue Pierre et Marie Curie, Maisons-Alfort, France.
Florence Hélène TranUniversité de Lyon, Lyon, France; Université Lyon 1, Villeurbanne, France; CNRS, UMR5557, Ecologie Microbienne, Villeurbanne, France; INRA, UMR1418, Villeurbanne, France.
Elodie DevillersUMR Bipar, Anses, INRA, ENVA 14 Rue Pierre et Marie Curie, Maisons-Alfort, France.
Jean-François CossonUMR Bipar, Anses, INRA, ENVA 14 Rue Pierre et Marie Curie, Maisons-Alfort, France.
Patrick GasquiEPIA, INRA, 63122 Saint Genès Champanelle, France.
Van Tran VanUniversité de Lyon, Lyon, France; Université Lyon 1, Villeurbanne, France; CNRS, UMR5557, Ecologie Microbienne, Villeurbanne, France; INRA, UMR1418, Villeurbanne, France.
Patrick MavinguiUniversité de Lyon, Lyon, France; Université Lyon 1, Villeurbanne, France; CNRS, UMR5557, Ecologie Microbienne, Villeurbanne, France; INRA, UMR1418, Villeurbanne, France.
Gwenaël Vourc'hEPIA, INRA, 63122 Saint Genès Champanelle, France.
Muriel Vayssier-TaussatUMR Bipar, Anses, INRA, ENVA 14 Rue Pierre et Marie Curie, Maisons-Alfort, France.
École Nationale Vétérinaire d'Alfort · FRUniversité Claude Bernard Lyon 1 · FRBipar · FRCentre National de la Recherche Scientifique · FRInstitut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement · FRProcessus Infectieux en Milieu Insulaire Tropical · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionTicks are the most common arthropod vectors of both human and animal diseases in Europe, and the Ixodes ricinus tick species is able to transmit a large number of bacteria, viruses and parasites. Ticks may also be co-infected with several pathogens, with a subsequent high likelihood of co-transmission to humans or animals. However few data exist regarding co-infection prevalences, and these studies only focus on certain well-known pathogens. In addition to pathogens, ticks also carry symbionts that may play important roles in tick biology, and could interfere with pathogen maintenance and transmission. In this study we evaluated the prevalence of 38 pathogens and four symbionts and their co-infection levels as well as possible interactions between pathogens, or between pathogens and symbionts. METHODOLOGY/PRINCIPAL

findingsA total of 267 Ixodes ricinus female specimens were collected in the French Ardennes and analyzed by high-throughput real-time PCR for the presence of 37 pathogens (bacteria and parasites), by rRT-PCR to detect the presence of Tick-Borne encephalitis virus (TBEV) and by nested PCR to detect four symbionts. Possible multipartite interactions between pathogens, or between pathogens and symbionts were statistically evaluated. Among the infected ticks, 45% were co-infected, and carried up to five different pathogens. When adding symbiont prevalences, all ticks were infected by at least one microorganism, and up to eight microorganisms were identified in the same tick. When considering possible interactions between pathogens, the results suggested a strong association between Borrelia garinii and B. afzelii, whereas there were no significant interactions between symbionts and pathogens. CONCLUSION/SIGNIFICANCE: Our study reveals high pathogen co-infection rates in ticks, raising questions about possible co-transmission of these agents to humans or animals, and their consequences to human and animal health. We also demonstrated high prevalence rates of symbionts co-existing with pathogens, opening new avenues of enquiry regarding their effects on pathogen transmission and vector competence.

Indexed as

CoinfectionAnimal DistributionAnimalsBabesiaBacteriaDNA, BacterialDNA, ProtozoanFemaleFranceIxodesRNA, BacterialRNA, ProtozoanRNA, Ribosomal, 16STheileriaDNA, BacterialDNA, ProtozoanRNA, BacterialRNA, ProtozoanRNA, Ribosomal, 16S

Identifiers

PMID26986203
PMCPMC4795628
OpenAlexW2296909041

What OpenQuestion holds

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LicenceCC BY
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.