10.5061/DRYAD.S3MR73B
Dean, Rebecca
Monash University
University College London
Hammer, Camille
Monash University
Higham, Vanessa
Monash University
Dowling, Damian K.
Monash University
Data from: Masculinisation of gene expression is associated with male
quality in Drosophila melanogaster
Dryad
dataset
2018
Selection - Sexual
male reproductive phenotypes
DGRP
2018-09-28T16:28:36Z
2018-09-28T16:28:36Z
en
https://doi.org/10.1111/evo.13618
21303 bytes
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CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
The signature of sexual selection has been revealed through the study of
differences in patterns of genome-wide gene expression, both between the
sexes and between alternative reproductive morphs within a single sex.
What remains unclear, however, is whether differences in gene expression
patterns between individuals of a given sex consistently map to variation
in individual quality. Such a pattern, particularly if found in males,
would provide unambiguous evidence that the phenotypic response to sexual
selection is shaped through sex-specific alterations to the transcriptome.
To redress this knowledge gap, we explored whether patterns of sex-biased
gene expression are associated with variation in male reproductive quality
in Drosophila melanogaster. We measured two male reproductive phenotypes,
and their association with sex-biased gene expression, across a selection
of inbred lines from the Drosophila Genetic Reference Panel. Genotypes
with higher expression of male-biased genes produced males exhibiting
shorter latencies to copulation, and higher capacity to inseminate
females. Conversely, female-biased genes tended to show negative
associations with these male reproductive traits across genotypes. We
uncovered similar patterns, by reanalysing a published dataset from a
second D. melanogaster population. Our results reveal the footprint of
sexual selection in masculinising the male transcriptome.
PhenotypeData_33DGRPMale reproductive phenotype data for 33 of the DGRP
lines. Phenotypes include male latency to copulation and male insemination
capacity.