Evidence map›Paper›PMID 28427326›Full record

ArticleBMC evolutionary biology2017

No evidence for strong cytonuclear conflict over sex allocation in a simultaneously hermaphroditic flatworm.

Nikolas Vellnow, Dita B Vizoso, Gudrun Viktorin, Lukas Schärer

Open access · goldAbstract read
In one paragraph

Article in BMC evolutionary biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
2.4field-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

5 citing papers in PubMed, 20 citations in OpenAlex.

  1. B Chromosomes in Free-Living Flatworms of the GenusInternational journal of molecular sciences · 2021
    Article
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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

4 authors at 1 institution in 2 countries.

Nikolas VellnowUniversity of Basel, Zoological Institute, Evolutionary Biology, Basel, Switzerland. nikolas.vellnow@unibas.ch.ORCID 0000-0002-7054-3268
Dita B VizosoUniversity of Basel, Zoological Institute, Evolutionary Biology, Basel, Switzerland.
Gudrun ViktorinUniversity of Basel, Zoological Institute, Evolutionary Biology, Basel, Switzerland.
Lukas SchärerUniversity of Basel, Zoological Institute, Evolutionary Biology, Basel, Switzerland.
University of Basel · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCytoplasmic sex allocation distorters, which arise from cytonuclear conflict over the optimal investment into male versus female reproductive function, are some of the best-researched examples for genomic conflict. Among hermaphrodites, many such distorters have been found in plants, while, to our knowledge, none have been clearly documented in animals.

methodsHere we provide a quantitative test for cytonuclear conflict over sex allocation in the simultaneously hermaphroditic flatworm Macrostomum lignano. We used a quantitative genetic breeding design, employing pair-wise crosses of 2 × 15 independent inbred lines, to partition the phenotypic variance in several traits (including sex allocation) into its nuclear and cytoplasmic components.

resultsAlthough the nuclear genetic background had a significant effect on all traits analyzed, we found significant cytoplasmic genetic variation only for ovary size, there explaining just 4.1% of the variance. A subsequent statistical power analysis showed that the experimental design had considerable power to detect cytonuclear interactions.

conclusionWe conclude that there were no strong effects of cytonuclear conflict in the studied populations, possibly because the usually compact mitochondrial genomes in animals have a lower evolvability than the large mitochondrial genomes in plants or because the sampled populations currently do not harbor variation at putative distorter and/or the restorer loci.

Indexed as

Disorders of Sex DevelopmentAnimalsCell NucleusCrosses, GeneticFemaleGenetic VariationMaleMitochondriaPlatyhelminthsAnimalCytonuclear conflictCytoplasmic male sterilityGenomic conflictSex allocationSimultaneous hermaphrodite

Identifiers

PMID28427326
PMCPMC5397761
OpenAlexW2606274230

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.