Ocean acidification changes the male fitness landscape.
Sperm competition is extremely common in many ecologically important marine taxa. Ocean acidification (OA) is driving rapid changes to the marine environments in which freely spawned sperm operate, yet the consequences of OA on sperm performance are poorly understood in the context of sperm competit...
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ftunivexeter:oai:ore.exeter.ac.uk:10871/23555 2024-09-15T18:27:57+00:00 Ocean acidification changes the male fitness landscape. Campbell, AL Levitan, DR Hosken, DJ Lewis, C 2016 http://hdl.handle.net/10871/23555 https://doi.org/10.1038/srep31250 en eng Nature Publishing Group http://www.ncbi.nlm.nih.gov/pubmed/27531458 Scientific Reports, 2016, Vol. 6, Article no. 31250 doi:10.1038/srep31250 http://hdl.handle.net/10871/23555 2045-2322 Scientific Reports This is the final version of the article. Available from Nature Publishing Group via the DOI in this record. Article 2016 ftunivexeter https://doi.org/10.1038/srep31250 2024-07-29T03:24:15Z Sperm competition is extremely common in many ecologically important marine taxa. Ocean acidification (OA) is driving rapid changes to the marine environments in which freely spawned sperm operate, yet the consequences of OA on sperm performance are poorly understood in the context of sperm competition. Here, we investigated the impacts of OA (+1000 μatm pCO2) on sperm competitiveness for the sea urchin Paracentrotus lividus. Males with faster sperm had greater competitive fertilisation success in both seawater conditions. Similarly, males with more motile sperm had greater sperm competitiveness, but only under current pCO2 levels. Under OA the strength of this association was significantly reduced and there were male sperm performance rank changes under OA, such that the best males in current conditions are not necessarily best under OA. Therefore OA will likely change the male fitness landscape, providing a mechanism by which environmental change alters the genetic landscape of marine species. We acknowledge Catherina Artikis and Yueling Hao for their contributions to the molecular analysis. We thank the team at Exeter Biosciences for their help and support. A.L.C. was supported by a Natural Environment Research Council (NERC) PhD studentship to Exeter, and received additional funding from Exeter CLES PREF and a Santander Postgraduate Research Award (2014/2015). C.L. was supported by a UK-OARP NERC consortium grant NE/H017496/1 and a NERC UK Fellowship: NE/G014728/1. DRL was supported by funding from the United States, National Science Foundation (Grant DEB 1354272) which helped to fund the molecular analysis. Article in Journal/Newspaper Ocean acidification University of Exeter: Open Research Exeter (ORE) Scientific Reports 6 1 |
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University of Exeter: Open Research Exeter (ORE) |
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description |
Sperm competition is extremely common in many ecologically important marine taxa. Ocean acidification (OA) is driving rapid changes to the marine environments in which freely spawned sperm operate, yet the consequences of OA on sperm performance are poorly understood in the context of sperm competition. Here, we investigated the impacts of OA (+1000 μatm pCO2) on sperm competitiveness for the sea urchin Paracentrotus lividus. Males with faster sperm had greater competitive fertilisation success in both seawater conditions. Similarly, males with more motile sperm had greater sperm competitiveness, but only under current pCO2 levels. Under OA the strength of this association was significantly reduced and there were male sperm performance rank changes under OA, such that the best males in current conditions are not necessarily best under OA. Therefore OA will likely change the male fitness landscape, providing a mechanism by which environmental change alters the genetic landscape of marine species. We acknowledge Catherina Artikis and Yueling Hao for their contributions to the molecular analysis. We thank the team at Exeter Biosciences for their help and support. A.L.C. was supported by a Natural Environment Research Council (NERC) PhD studentship to Exeter, and received additional funding from Exeter CLES PREF and a Santander Postgraduate Research Award (2014/2015). C.L. was supported by a UK-OARP NERC consortium grant NE/H017496/1 and a NERC UK Fellowship: NE/G014728/1. DRL was supported by funding from the United States, National Science Foundation (Grant DEB 1354272) which helped to fund the molecular analysis. |
format |
Article in Journal/Newspaper |
author |
Campbell, AL Levitan, DR Hosken, DJ Lewis, C |
spellingShingle |
Campbell, AL Levitan, DR Hosken, DJ Lewis, C Ocean acidification changes the male fitness landscape. |
author_facet |
Campbell, AL Levitan, DR Hosken, DJ Lewis, C |
author_sort |
Campbell, AL |
title |
Ocean acidification changes the male fitness landscape. |
title_short |
Ocean acidification changes the male fitness landscape. |
title_full |
Ocean acidification changes the male fitness landscape. |
title_fullStr |
Ocean acidification changes the male fitness landscape. |
title_full_unstemmed |
Ocean acidification changes the male fitness landscape. |
title_sort |
ocean acidification changes the male fitness landscape. |
publisher |
Nature Publishing Group |
publishDate |
2016 |
url |
http://hdl.handle.net/10871/23555 https://doi.org/10.1038/srep31250 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
http://www.ncbi.nlm.nih.gov/pubmed/27531458 Scientific Reports, 2016, Vol. 6, Article no. 31250 doi:10.1038/srep31250 http://hdl.handle.net/10871/23555 2045-2322 Scientific Reports |
op_rights |
This is the final version of the article. Available from Nature Publishing Group via the DOI in this record. |
op_doi |
https://doi.org/10.1038/srep31250 |
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Scientific Reports |
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6 |
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1 |
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1810469252514185216 |