Evidence map›Paper›PMID 32249797›Full record

ArticleScientific reports2020

The honeybee (Apis mellifera) developmental state shapes the genetic composition of the deformed wing virus-A quasispecies during serial transmission.

Orlando Yañez, Julio Chávez-Galarza, Christian Tellgren-Roth, M Alice Pinto, Peter Neumann, Joachim R de Miranda

Abstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
–field-weighted citation impact
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

14 citing papers in PubMed.

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  14. Bee Viruses: Routes of Infection in Hymenoptera.Frontiers in microbiology · 2020
    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

6 authors.

Orlando YañezInstitute of Bee Health, Vetsuisse Faculty, University of Bern, Bern, CH-3000, Switzerland.ORCID http://orcid.org/0000-0001-8493-2726
Julio Chávez-GalarzaCentro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Sta. Apolónia, 5300-253, Bragança, Portugal.
Christian Tellgren-RothSciLife Lab, BioMedical Centre, Uppsala University, Uppsala, 751 08, Sweden.ORCID http://orcid.org/0000-0003-0502-3693
M Alice PintoCentro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Sta. Apolónia, 5300-253, Bragança, Portugal.ORCID http://orcid.org/0000-0001-9663-8399
Peter NeumannInstitute of Bee Health, Vetsuisse Faculty, University of Bern, Bern, CH-3000, Switzerland.
Joachim R de MirandaDepartment of Ecology, Swedish University of Agricultural Sciences, Uppsala, 750 07, Sweden. joachim.de.miranda@slu.se.ORCID http://orcid.org/0000-0002-0335-0386

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The main biological threat to the western honeybee (Apis mellifera) is the parasitic mite Varroa destructor, largely because it vectors lethal epidemics of honeybee viruses that, in the absence of this mite, are relatively innocuous. The severe pathology is a direct consequence of excessive virus titres caused by this novel transmission route. However, little is known about how the virus adapts genetically during transmission and whether this influences the pathology. Here, we show that upon injection into honeybee pupae, the deformed wing virus type-A (DWV-A) quasispecies undergoes a rapid, extensive expansion of its sequence space, followed by strong negative selection towards a uniform, common shape by the time the pupae have completed their development, with no difference between symptomatic and asymptomatic adults in either DWV titre or genetic composition. This suggests that the physiological and molecular environment during pupal development has a strong, conservative influence on shaping the DWV-A quasispecies in emerging adults. There was furthermore no evidence of any progressive adaptation of the DWV-A quasispecies to serial intra-abdominal injection, simulating mite transmission, despite the generation of ample variation immediately following each transmission, suggesting that the virus either had already adapted to transmission by injection, or was unaffected by it.

Indexed as

AnimalsArachnid VectorsBeesPupaQuasispeciesRNA VirusesVarroidae

Identifiers

PMID32249797
PMCPMC7136270

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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.