Sperm variation within a single ejaculate affects offspring development in Atlantic salmon
It is generally believed that variation in sperm phenotype within a single ejaculate has no consequences for offspring performance, because sperm phenotypes are thought not to reflect sperm genotypes. We show that variation in individual sperm function within an ejaculate affects the performance of...
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2014
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ftpubmed:oai:pubmedcentral.nih.gov:3949374 2023-05-15T15:30:38+02:00 Sperm variation within a single ejaculate affects offspring development in Atlantic salmon Immler, Simone Hotzy, Cosima Alavioon, Ghazal Petersson, Erik Arnqvist, Göran 2014-02 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3949374 http://www.ncbi.nlm.nih.gov/pubmed/24522632 https://doi.org/10.1098/rsbl.2013.1040 en eng The Royal Society http://www.ncbi.nlm.nih.gov/pmc/articles/PMC http://www.ncbi.nlm.nih.gov/pubmed/24522632 http://dx.doi.org/10.1098/rsbl.2013.1040 © 2014 The Author(s) Published by the Royal Society. All rights reserved. Evolutionary Biology Text 2014 ftpubmed https://doi.org/10.1098/rsbl.2013.1040 2015-02-08T01:01:22Z It is generally believed that variation in sperm phenotype within a single ejaculate has no consequences for offspring performance, because sperm phenotypes are thought not to reflect sperm genotypes. We show that variation in individual sperm function within an ejaculate affects the performance of the resulting offspring in the Atlantic salmon Salmo salar. We experimentally manipulated the time between sperm activation and fertilization in order to select for sperm cohorts differing in longevity within single ejaculates of wild caught male salmon. We found that within-ejaculate variation in sperm longevity significantly affected offspring development and hence time until hatching. Whether these effects have a genetic or epigenetic basis needs to be further evaluated. However, our results provide experimental evidence for transgenerational effects of individual sperm function. Text Atlantic salmon Salmo salar PubMed Central (PMC) Biology Letters 10 2 20131040 |
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PubMed Central (PMC) |
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English |
topic |
Evolutionary Biology |
spellingShingle |
Evolutionary Biology Immler, Simone Hotzy, Cosima Alavioon, Ghazal Petersson, Erik Arnqvist, Göran Sperm variation within a single ejaculate affects offspring development in Atlantic salmon |
topic_facet |
Evolutionary Biology |
description |
It is generally believed that variation in sperm phenotype within a single ejaculate has no consequences for offspring performance, because sperm phenotypes are thought not to reflect sperm genotypes. We show that variation in individual sperm function within an ejaculate affects the performance of the resulting offspring in the Atlantic salmon Salmo salar. We experimentally manipulated the time between sperm activation and fertilization in order to select for sperm cohorts differing in longevity within single ejaculates of wild caught male salmon. We found that within-ejaculate variation in sperm longevity significantly affected offspring development and hence time until hatching. Whether these effects have a genetic or epigenetic basis needs to be further evaluated. However, our results provide experimental evidence for transgenerational effects of individual sperm function. |
format |
Text |
author |
Immler, Simone Hotzy, Cosima Alavioon, Ghazal Petersson, Erik Arnqvist, Göran |
author_facet |
Immler, Simone Hotzy, Cosima Alavioon, Ghazal Petersson, Erik Arnqvist, Göran |
author_sort |
Immler, Simone |
title |
Sperm variation within a single ejaculate affects offspring development in Atlantic salmon |
title_short |
Sperm variation within a single ejaculate affects offspring development in Atlantic salmon |
title_full |
Sperm variation within a single ejaculate affects offspring development in Atlantic salmon |
title_fullStr |
Sperm variation within a single ejaculate affects offspring development in Atlantic salmon |
title_full_unstemmed |
Sperm variation within a single ejaculate affects offspring development in Atlantic salmon |
title_sort |
sperm variation within a single ejaculate affects offspring development in atlantic salmon |
publisher |
The Royal Society |
publishDate |
2014 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3949374 http://www.ncbi.nlm.nih.gov/pubmed/24522632 https://doi.org/10.1098/rsbl.2013.1040 |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC http://www.ncbi.nlm.nih.gov/pubmed/24522632 http://dx.doi.org/10.1098/rsbl.2013.1040 |
op_rights |
© 2014 The Author(s) Published by the Royal Society. All rights reserved. |
op_doi |
https://doi.org/10.1098/rsbl.2013.1040 |
container_title |
Biology Letters |
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10 |
container_issue |
2 |
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20131040 |
_version_ |
1766361093802819584 |