NDLI: Data from: Selection for alternative male reproductive tactics alters intralocus sexual conflict (Dataset)

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Data from: Selection for alternative male reproductive tactics alters intralocus sexual conflict (Dataset)

Content Provider	Dryad
Author	Plesnar-Bielak, Agata Skrzynecka, Anna Miler, Krzysztof Radwan, Jacek Plesnar Bielak, Agata Skrzynecka, Anna M.
Abstract	Intralocus sexual conflict (IASC) arises when fitness optima for a shared trait differ between the sexes; such conflict may help maintain genetic variation within populations. Sex-limited expression of sexually antagonistic traits may help resolve the conflict, but the extent of this resolution remains a subject of debate. In species with alternative male reproductive tactics, unresolved conflict should manifest more in a more sexually dimorphic male phenotype. We tested this prediction in the bulb mite (Rhizoglyphus robini), a species in which aggressive fighters coexist with benign scramblers. To do this, we established replicated lines in which we increased the proportion of each of the alternative male morphs using artificial selection. After approximately 40 generations, the proportion of fighters and scramblers stabilized at >0.9 in fighter- and scrambler-selected lines, respectively. We then measured several female fitness components. As predicted by IASC theory, female fecundity and longevity was lower in lines selected for fighters and higher in lines selected for scramblers. This finding indicates that sexually selected phenotypes are associated with an ontogenetic conflict that is not easily resolved. Furthermore, we suggest that IASC may be an important mechanism contributing to the maintenance of genetic variation in the expression of alternative reproductive tactics.
File Size	158323
File Format	HTM / HTML
ISSN	15585646
DOI	10.5061/dryad.s4t7m
Alternate Webpage(s)	https://datadryad.org/stash/downloads/file_stream/39940
Language	English
Publisher Date	2014-03-11
Access Restriction	Open
Subject Keyword	Sexually Antagonistic Selection Genetic Correlation Intralocus Sexual Conflict Male Morphs Alternative Reproductive Phenotypes
Content Type	Text
Resource Type	Data Set
Subject	Genetics Ecology, Evolution, Behavior and Systematics Agricultural and Biological Sciences

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