Evidence map›Paper›PMID 34572018›Full record

ArticleCells2021

Selection on Sperm Count, but Not on Sperm Morphology or Velocity, in a Wild Population of

Ariel F Kahrl, Matthew C Kustra, Aaron M Reedy, Rachana S Bhave, Heidi A Seears, Daniel A Warner, Robert M Cox

Abstract read
In one paragraph

Article in Cells, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing 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

6 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

7 authors.

Ariel F KahrlDepartment of Zoology, Stockholm University, 106 91 Stockholm, Sweden.ORCID 0000-0002-1650-1227
Matthew C KustraDepartment of Biology, University of Virginia, Charlottesville, VA 22904, USA.ORCID 0000-0002-1144-7030
Aaron M ReedyDepartment of Biology, University of Virginia, Charlottesville, VA 22904, USA.
Rachana S BhaveDepartment of Biology, University of Virginia, Charlottesville, VA 22904, USA.ORCID 0000-0002-1104-7176
Heidi A SeearsDepartment of Biology, University of Virginia, Charlottesville, VA 22904, USA.
Daniel A WarnerDepartment of Biological Sciences, Auburn University, Auburn, AL 36849, USA.ORCID 0000-0001-7231-7785
Robert M CoxDepartment of Biology, University of Virginia, Charlottesville, VA 22904, USA.ORCID 0000-0001-8325-111X

Funding

National Science Foundation DEB-1453089National Science Foundation DEB–1501680
6 · The paper itself

Abstract

Sperm competition is a widespread phenomenon that shapes male reproductive success. Ejaculates present many potential targets for postcopulatory selection (e.g., sperm morphology, count, and velocity), which are often highly correlated and potentially subject to complex multivariate selection. Although multivariate selection on ejaculate traits has been observed in laboratory experiments, it is unclear whether selection is similarly complex in wild populations, where individuals mate frequently over longer periods of time. We measured univariate and multivariate selection on sperm morphology, sperm count, and sperm velocity in a wild population of brown anole lizards (

Indexed as

AnimalsFemaleLizardsMalePhenotypeSpermatozoaSperm CountAnolisejaculate traitsmultivariate selectionsperm competitionsperm countwild population

Identifiers

PMID34572018
PMCPMC8464841

What OpenQuestion holds

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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.