Sexual antagonism in the pistil varies among populations of a hermaphroditic mixed-mating plant.

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Hersh, EvanUniversity of British Columbia (författare)

Sexual antagonism in the pistil varies among populations of a hermaphroditic mixed-mating plant.

Artikel/kapitelEngelska2015

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2015-06-13
Wiley,2015

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LIBRIS-ID:oai:lup.lub.lu.se:dfd78749-901f-4da0-b3bb-20238168b5a7
https://lup.lub.lu.se/record/5442197URI
https://doi.org/10.1111/jeb.12656DOI
https://res.slu.se/id/publ/68845URI

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Språk:engelska
Sammanfattning på:engelska

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Sexual conflicts and their evolutionary outcomes may be influenced by population-specific features such as mating system and ecological context; however, very few studies have investigated the link between sexual conflict and mating system. The self-compatible, mixed-mating hermaphrodite Collinsia heterophylla (Plantaginaceae) is thought to exhibit a sexual conflict over timing of stigma receptivity. This conflict involves 1) delayed stigma receptivity, which intensifies pollen competition, and 2) early fertilization forced by pollen, which reduces seed set. We investigated the potential for the conflict to occur under field conditions and performed greenhouse crosses within eight populations to assess its consistency across populations. Flowers were visited, and produced seeds after pollination, at all developmental stages, suggesting that the conflict can be of significance under natural conditions. In the greenhouse, early pollination imposed costs in all populations. Overall, the timing of first seed set was most strongly affected by the maternal parent, denoting stronger female than male ability to influence onset of stigma receptivity. Crosses also revealed a negative relationship between donor- and recipient-related onset of receptivity within individuals, a novel result hinting at trade-offs in sex-allocation or a history of antagonistic selection. Neither timing of stigma receptivity, timing of first seed set, nor pollen competitive ability covaried with population outcrossing rate. In conclusion, these results indicate that sexually antagonistic selection may be present in varying degrees in different populations of C. heterophylla, but this variation does not appear to be directly related to mating system variation. This article is protected by copyright. All rights reserved.

Ämnesord och genrebeteckningar

NATURVETENSKAP Biologi Ekologi hsv//swe
NATURAL SCIENCES Biological Sciences Ecology hsv//eng
NATURVETENSKAP Biologi Evolutionsbiologi hsv//swe
NATURAL SCIENCES Biological Sciences Evolutionary Biology hsv//eng

Biuppslag (personer, institutioner, konferenser, titlar ...)

Madjidian, JosefinLund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Biodiversity,Department of Biology,Faculty of Science(Swepub:slu)52809 (författare)
Andersson, StefanLund University,Lunds universitet,Biodiversitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Biodiversity,Department of Biology,Faculty of Science(Swepub:lu)sysb-san (författare)
Strandh, MariaSveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Alnarp,Växtskyddsbiologi,Department of Plant Protection Biology(Swepub:slu)96356 (författare)
Armbruster, W ScottNorwegian University of Science and Technology,University of Alaska Fairbanks,University of Portsmouth (författare)
Lankinen, ÅsaSveriges lantbruksuniversitet,Swedish University of Agricultural Sciences, Alnarp,Växtskyddsbiologi,Department of Plant Protection Biology(Swepub:slu)49133 (författare)
University of British ColumbiaBiodiversitet (creator_code:org_t)
Sveriges lantbruksuniversitet

Sammanhörande titlar

Ingår i:Journal of evolutionary biology: Wiley28:7, s. 1321-13341420-91011010-061X

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Av författaren/redakt...: Hersh, Evan; Madjidian, Josef ...; Andersson, Stefa ...; Strandh, Maria; Armbruster, W Sc ...; Lankinen, Åsa

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NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Ekologi

NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Evolutionsbiolog ...

Artiklar i publikationen: Journal of evolu ...

Av lärosätet: Lunds universitet; Sveriges Lantbruksuniversitet

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