Evidence map›Paper›PMID 25689782›Full record

ArticleMolecular ecology2015

Variation in promiscuity and sexual selection drives avian rate of Faster-Z evolution.

Alison E Wright, Peter W Harrison, Fabian Zimmer, Stephen H Montgomery, Marie A Pointer, Judith E Mank

Abstract read
In one paragraph

Article in Molecular ecology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.

0numbers the graph read from it
0cells of the map it votes in
48citing 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

48 citing papers in PubMed.

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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.

Alison E WrightDepartment of Zoology, Edward Grey Institute, University of Oxford, Oxford, OX1 3PS, UK; Department of Genetics, Evolution and Environment, University College London, London, WC1E 6BT, UK.
Peter W Harrison
Fabian Zimmer
Stephen H Montgomery
Marie A Pointer
Judith E Mank

Funding

European Research Council 260233Medical Research Council 91070Medical Research Council G0900747Wellcome TrustWellcome Trust 090532/Z09/Z
6 · The paper itself

Abstract

Higher rates of coding sequence evolution have been observed on the Z chromosome relative to the autosomes across a wide range of species. However, despite a considerable body of theory, we lack empirical evidence explaining variation in the strength of the Faster-Z Effect. To assess the magnitude and drivers of Faster-Z Evolution, we assembled six de novo transcriptomes, spanning 90 million years of avian evolution. Our analysis combines expression, sequence and polymorphism data with measures of sperm competition and promiscuity. In doing so, we present the first empirical evidence demonstrating the positive relationship between Faster-Z Effect and measures of promiscuity, and therefore variance in male mating success. Our results from multiple lines of evidence indicate that selection is less effective on the Z chromosome, particularly in promiscuous species, and that Faster-Z Evolution in birds is due primarily to genetic drift. Our results reveal the power of mating system and sexual selection in shaping broad patterns in genome evolution.

Indexed as

Biological EvolutionMating Preference, AnimalSelection, GeneticAnimalsBirdsFemaleGenetic DriftMaleModels, GeneticSex ChromosomesTranscriptomeeffective population sizeFaster-Z evolutiongenetic driftsexual selection

Identifiers

PMID25689782
PMCPMC4737241

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.