Complex interactions between sperm viability and female fertility
Sperm viability is a major male fitness component, with higher sperm viability associated with enhanced sperm competitiveness. While many studies have focussed on sperm viability from the male fitness standpoint, its impact on female fitness is less clear. Here we used a panel of 32 isogenic Drosoph...
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| Veröffentlicht in: | Scientific reports 2019-10, Vol.9 (1), p.15366-11, Article 15366 |
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| description | Sperm viability is a major male fitness component, with higher sperm viability associated with enhanced sperm competitiveness. While many studies have focussed on sperm viability from the male fitness standpoint, its impact on female fitness is less clear. Here we used a panel of 32 isogenic
Drosophila simulans
lines to test for genetic variation in sperm viability (percentage of viable cells). We then tested whether sperm viability affected female fitness by mating females to males from low or high sperm viability genotypes. We found significant variation in sperm viability among genotypes, and consistent with this, sperm viability was highly repeatable within genotypes. Additionally, females mated to high sperm viability males laid more eggs in the first seven hours after mating, and produced more offspring in total. However, the early increase in oviposition did not result in more offspring in the 8 hours following mating, suggesting that mating with high sperm-viability genotypes leads to egg wastage for females shortly after copulation. Although mating with high sperm-viability males resulted in higher female fitness in the long term, high quality ejaculates would result in a short-term female fitness penalty, or at least lower realised fitness, potentially generating sexual conflict over optimal sperm viability. |
| doi_str_mv | 10.1038/s41598-019-51672-1 |
| format | Article |
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Drosophila simulans
lines to test for genetic variation in sperm viability (percentage of viable cells). We then tested whether sperm viability affected female fitness by mating females to males from low or high sperm viability genotypes. We found significant variation in sperm viability among genotypes, and consistent with this, sperm viability was highly repeatable within genotypes. Additionally, females mated to high sperm viability males laid more eggs in the first seven hours after mating, and produced more offspring in total. However, the early increase in oviposition did not result in more offspring in the 8 hours following mating, suggesting that mating with high sperm-viability genotypes leads to egg wastage for females shortly after copulation. Although mating with high sperm-viability males resulted in higher female fitness in the long term, high quality ejaculates would result in a short-term female fitness penalty, or at least lower realised fitness, potentially generating sexual conflict over optimal sperm viability.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/s41598-019-51672-1</identifier><identifier>PMID: 31653962</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>14/34 ; 14/63 ; 631/181/2470 ; 631/443/494 ; 64/24 ; Animals ; Cell Survival ; Competitiveness ; Copulation ; Drosophila simulans - physiology ; Eggs ; Female ; Females ; Fertility ; Genetic diversity ; Genotypes ; Humanities and Social Sciences ; Male ; Males ; multidisciplinary ; Offspring ; Oviposition ; Reproductive fitness ; Science ; Science (multidisciplinary) ; Sexual Behavior, Animal ; Sperm ; Spermatozoa - cytology</subject><ispartof>Scientific reports, 2019-10, Vol.9 (1), p.15366-11, Article 15366</ispartof><rights>The Author(s) 2019</rights><rights>2019. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c540t-230553962750fba53ec1e66d12415af20a481fa45bd641b64e8a87c7e5eaef0b3</citedby><cites>FETCH-LOGICAL-c540t-230553962750fba53ec1e66d12415af20a481fa45bd641b64e8a87c7e5eaef0b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6814814/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6814814/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,27901,27902,41096,42165,51551,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31653962$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tourmente, Maximiliano</creatorcontrib><creatorcontrib>Archer, C. Ruth</creatorcontrib><creatorcontrib>Hosken, David J.</creatorcontrib><title>Complex interactions between sperm viability and female fertility</title><title>Scientific reports</title><addtitle>Sci Rep</addtitle><addtitle>Sci Rep</addtitle><description>Sperm viability is a major male fitness component, with higher sperm viability associated with enhanced sperm competitiveness. While many studies have focussed on sperm viability from the male fitness standpoint, its impact on female fitness is less clear. Here we used a panel of 32 isogenic
Drosophila simulans
lines to test for genetic variation in sperm viability (percentage of viable cells). We then tested whether sperm viability affected female fitness by mating females to males from low or high sperm viability genotypes. We found significant variation in sperm viability among genotypes, and consistent with this, sperm viability was highly repeatable within genotypes. Additionally, females mated to high sperm viability males laid more eggs in the first seven hours after mating, and produced more offspring in total. However, the early increase in oviposition did not result in more offspring in the 8 hours following mating, suggesting that mating with high sperm-viability genotypes leads to egg wastage for females shortly after copulation. 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Ruth</au><au>Hosken, David J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Complex interactions between sperm viability and female fertility</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2019-10-25</date><risdate>2019</risdate><volume>9</volume><issue>1</issue><spage>15366</spage><epage>11</epage><pages>15366-11</pages><artnum>15366</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>Sperm viability is a major male fitness component, with higher sperm viability associated with enhanced sperm competitiveness. While many studies have focussed on sperm viability from the male fitness standpoint, its impact on female fitness is less clear. Here we used a panel of 32 isogenic
Drosophila simulans
lines to test for genetic variation in sperm viability (percentage of viable cells). We then tested whether sperm viability affected female fitness by mating females to males from low or high sperm viability genotypes. We found significant variation in sperm viability among genotypes, and consistent with this, sperm viability was highly repeatable within genotypes. Additionally, females mated to high sperm viability males laid more eggs in the first seven hours after mating, and produced more offspring in total. However, the early increase in oviposition did not result in more offspring in the 8 hours following mating, suggesting that mating with high sperm-viability genotypes leads to egg wastage for females shortly after copulation. Although mating with high sperm-viability males resulted in higher female fitness in the long term, high quality ejaculates would result in a short-term female fitness penalty, or at least lower realised fitness, potentially generating sexual conflict over optimal sperm viability.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>31653962</pmid><doi>10.1038/s41598-019-51672-1</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 14/34 14/63 631/181/2470 631/443/494 64/24 Animals Cell Survival Competitiveness Copulation Drosophila simulans - physiology Eggs Female Females Fertility Genetic diversity Genotypes Humanities and Social Sciences Male Males multidisciplinary Offspring Oviposition Reproductive fitness Science Science (multidisciplinary) Sexual Behavior, Animal Sperm Spermatozoa - cytology |
| title | Complex interactions between sperm viability and female fertility |
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