Linked Life Data

18786187

Source:http://linkedlifedata.com/resource/pubmed/id/18786187

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
12
pubmed:dateCreated
2008-12-17
pubmed:abstractText
Explanations for the maintenance of variation in reproductive traits influenced by seminal fluid accessory gland proteins (Acps) in male Drosophila melanogaster include nontransitivity in the outcome of sperm competition and/or condition dependence of the traits involved. We investigated the effects of adult male nutrition (five diets) on the expression of Acp- and sperm- mediated traits. We found novel, nonlinear effects, with females showing lower levels of refractoriness to remating after mating with males held on the lowest and highest yeast diets. There were no significant effects of adult male nutrition on male paternity share, but there was a striking, nonlinear effect on second male progeny production, with males kept on intermediate yeast diets fathering the highest number of offspring. Such "bell shaped" responses of life-history traits to nutrition have only previously been reported for longevity. Consistent with previous reports, males maintained on low protein diets had lower premating success and gained fewer rematings with nonvirgins. We show novel and body size independent effects of adult male nutrition on traits influenced by Acps and sperm, which do not fit current condition-dependent handicap models and can affect the strength of sexual selection acting upon such fitness-related traits.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
1558-5646
pubmed:author
pubmed:issnType
Electronic
pubmed:volume
62
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
3170-7
pubmed:meshHeading
pubmed:year
2008
pubmed:articleTitle
Adult male nutrition and reproductive success in Drosophila melanogaster.
pubmed:affiliation
School of Biological Sciences, University of East Anglia, Norfolk, Norwich, United Kingdom. C.Fricke@uea.ac.uk
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't