Evidence map›Paper›PMID 27894354›Full record

ArticleParasites & vectors2016

Do mosquitoes transmit the avian malaria-like parasite Haemoproteus? An experimental test of vector competence using mosquito saliva.

Rafael Gutiérrez-López, Josué Martínez-de la Puente, Laura Gangoso, Jiayue Yan, Ramón C Soriguer, Jordi Figuerola

Open access · goldAbstract read
In one paragraph

Article in Parasites & vectors, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
3.2field-weighted citation impact, top 9% 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

28 citing papers in PubMed, 45 citations in OpenAlex.

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  18. Assessing Diversity,Insects · 2021
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  19. Mosquito identification and haemosporidian parasites detection in the enclosure of the African penguins (International journal for parasitology. Parasites and wildlife · 2020
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  20. Parasitology · 2020
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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

6 authors at 2 institutions in 1 country.

Rafael Gutiérrez-LópezDepartment of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain.
Josué Martínez-de la PuenteDepartment of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain.
Laura GangosoDepartment of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain.
Jiayue YanDepartment of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain.
Ramón C SoriguerDepartment of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain.
Jordi FiguerolaDepartment of Wetland Ecology, Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio s/n,, E-41092, Sevilla, Spain. jordi@ebd.csic.es.
Estación Biológica de Doñana · ESCentro de Investigación Biomédica en Red de Epidemiología y Salud Pública · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe life-cycle of many vector-borne pathogens includes an asexual replication phase in the vertebrate host and sexual reproduction in the insect vector. However, as only a small array of parasites can successfully develop infective phases inside an insect, few insect species are competent vectors for these pathogens. Molecular approaches have identified the potential insect vectors of blood parasites under natural conditions. However, the effectiveness of this methodology for verifying mosquito competence in the transmission of avian malaria parasites and related haemosporidians is still under debate. This is mainly because positive amplifications of parasite DNA in mosquitoes can be obtained not only from sporozoites, the infective phase of the malaria parasites that migrate to salivary glands, but also from different non-infective parasite forms in the body of the vector. Here, we assessed the vectorial capacity of the common mosquito Culex pipiens in the transmission of two parasite genera.

methodsA total of 1,560 mosquitoes were allowed to feed on five house sparrows Passer domesticus naturally infected by Haemoproteus or co-infected by Haemoproteus/Plasmodium. A saliva sample of the mosquitoes that survived after 13 days post-exposure was taken to determine the presence of parasite DNA by PCR.

resultsOverall, 31.2% mosquito's head-thorax and 5.8% saliva samples analysed showed positive amplifications for avian malaria parasites. In contrast to Haemoproteus DNA, which was not found in either the body parts or the saliva, Plasmodium DNA was detected in both the head-thorax and the saliva of mosquitoes. Parasites isolated from mosquitoes feeding on the same bird corresponded to the same Plasmodium lineage.

conclusionsOur experiment provides good evidence for the competence of Cx. pipiens in the transmission of Plasmodium but not of Haemoproteus. Molecular analyses of saliva are an effective method for testing the vector competence of mosquitoes and other insects in the transmission of vector-borne pathogens.

Indexed as

Disease Transmission, InfectiousAnimalsBird DiseasesCulexDNA, ProtozoanHaemosporidaMosquito VectorsPolymerase Chain ReactionProtozoan InfectionsSalivaSparrowsDNA, ProtozoanCulex pipiensHaemosporidiansParasite transmissionPlasmodiumVector-borne diseases

Identifiers

PMID27894354
PMCPMC5127101
OpenAlexW2557542698

What OpenQuestion holds

Textmetadata
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.