Evidence map›Paper›PMID 31113360›Full record

ArticleBMC evolutionary biology2019

Immunogenetic response of the bananaquit in the face of malarial parasites.

Jennifer Antonides, Samarth Mathur, Mekala Sundaram, Robert Ricklefs, J Andrew DeWoody

Open access · goldAbstract read
In one paragraph

Article in BMC evolutionary biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
2.6field-weighted citation impact, top 12% 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

9 citing papers in PubMed, 28 citations in OpenAlex.

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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

5 authors at 2 institutions in 1 country.

Jennifer AntonidesDepartment of Forestry and Natural Resources, Purdue University, 715 W. State Street, Pfendler Hall 141, West Lafayette, IN, 47907, USA. jantonid@purdue.edu.ORCID 0000-0002-6118-6342
Samarth MathurDepartment of Biological Sciences, Purdue University, 915 W. State St, Indiana, USA.
Mekala SundaramDepartment of Forestry and Natural Resources, Purdue University, 715 W. State Street, Pfendler Hall 141, West Lafayette, IN, 47907, USA.
Robert RicklefsDepartment of Biology, University of Missouri, 1 University Blvd, St. Louis, MO, USA.
J Andrew DeWoodyDepartment of Forestry and Natural Resources, Purdue University, 715 W. State Street, Pfendler Hall 141, West Lafayette, IN, 47907, USA.
State Street (United States) · USUniversity of Missouri–St. Louis · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIn the arms race between hosts and parasites, genes involved in the immune response are targets for natural selection. Toll-Like Receptor (TLR) genes play a role in parasite detection as part of the innate immune system whereas Major Histocompatibility Complex (MHC) genes encode proteins that display antigens as part of the vertebrate adaptive immune system. Thus, both gene families are under selection pressure from pathogens. The bananaquit (Coereba flaveola) is a passerine bird that is a common host of avian malarial parasites (Plasmodium sp. and Haemoproteus sp.). We assessed molecular variation of TLR and MHC genes in a wild population of bananaquits and identified allelic associations with resistance/susceptibility to parasitic infection to address hypotheses of avian immune response to haemosporidian parasites.

resultsWe found that allele frequencies are associated with infection status at the immune loci studied. A consistent general trend showed the infected groups possessed more alleles at lower frequencies, and exhibited unique alleles, compared to the uninfected group.

conclusionsOur results support the theory of natural selection favoring particular alleles for resistance while maintaining overall genetic diversity in the population, a mechanism which has been demonstrated in some systems in MHC previously but understudied in TLRs.

Indexed as

AnimalsGene FrequencyGenetic LociHaemosporidaImmunogeneticsMajor Histocompatibility ComplexMalariaParasitesPasseriformesPlasmodiumSequence Analysis, DNAAvian malariaHaemosporidian parasitesMajor histocompatibility complexToll-like receptor

Identifiers

PMID31113360
PMCPMC6529992
OpenAlexW2946837389

What OpenQuestion holds

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Registered trials

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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.