WFRF:(Maklakov Alex A)
Sökning: WFRF:(Maklakov Alex A) > Selection for longe...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04019naa a2200433 4500 | |
| 001 | oai:DiVA.org:uu-382654 | |
| 003 | SwePub | |
| 008 | 190429s2019 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3826542 URI |
| 024 | 7 | a https://doi.org/10.1002/evl3.1012 DOI |
| 040 | a (SwePub)uu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Alavioon, Ghazalu Uppsala universitet,Evolutionsbiologi4 aut0 (Swepub:uu)ghaal849 |
| 245 | 1 0 | a Selection for longer lived sperm within ejaculate reduces reproductive ageing in offspring |
| 264 | c 2019-02-14 | |
| 264 | 1 | b Oxford University Press (OUP),c 2019 |
| 338 | a electronic2 rdacarrier | |
| 520 | a Males produce numerous sperm in a single ejaculate that greatly outnumber their potential egg targets. Recent studies found that phenotypic and genotypic variation among sperm in a single ejaculate of a male affects the fitness and performance of the resulting offspring. Specifically, within-ejaculate sperm selection for sperm longevity increased the performance of the resulting offspring in several key life-history traits in early life. Because increased early-life reproductive performance often correlates with rapid ageing, it is possible that within-ejaculate sperm selection increases early-life fitness at the cost of accelerated senescence. Alternatively, within-ejaculate sperm selection could improve offspring quality throughout the life cycle, including reduced age-specific deterioration. We tested the two alternative hypotheses in an experimental setup using zebrafish Danio rerio. We found that within-ejaculate sperm selection for sperm longevity reduced age-specific deterioration of fecundity and offspring survival but had no effect on fertilization success in males. Remarkably, we found an opposing effect of within-ejaculate sperm selection on female fecundity, where selection for sperm longevity resulted in increased early-life performance followed by a slow decline, while females sired by unselected sperm started low but increased their fecundity with age. Intriguingly, within-ejaculate sperm selection also reduced the age-specific decline in fertilization success in females, suggesting that selection for sperm longevity improves at least some aspects of female reproductive ageing. These results demonstrate that within-ejaculate variation in sperm phenotype contributes to individual variation in animal life histories in the two sexes and may have important implications for assisted fertilization programs in livestock and humans. | |
| 650 | 7 | a NATURVETENSKAPx Biologix Evolutionsbiologi0 (SwePub)106152 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Evolutionary Biology0 (SwePub)106152 hsv//eng |
| 653 | a Ageing | |
| 653 | a reproductive success | |
| 653 | a sperm selection | |
| 653 | a sperm competition | |
| 653 | a senescence | |
| 700 | 1 | a Garcia, Andrea Cabrerau Uppsala universitet,Evolutionsbiologi4 aut |
| 700 | 1 | a LeChatelier, Magaliu Uppsala universitet,Evolutionsbiologi4 aut |
| 700 | 1 | a Maklakov, Alex A.u Uppsala universitet,Zooekologi,Univ East Anglia, Sch Biol Sci, Norwich Res Pk, Norwich, Norfolk, England4 aut0 (Swepub:uu)almak425 |
| 700 | 1 | a Immler, Simoneu Uppsala universitet,Evolutionsbiologi,Univ East Anglia, Sch Biol Sci, Norwich Res Pk, Norwich, Norfolk, England4 aut0 (Swepub:uu)simim357 |
| 710 | 2 | a Uppsala universitetb Evolutionsbiologi4 org |
| 773 | 0 | t Evolution Lettersd : Oxford University Press (OUP)g 3:2, s. 198-206q 3:2<198-206x 2056-3744 |
| 856 | 4 | u https://doi.org/10.1002/evl3.101y Fulltext |
| 856 | 4 | u https://uu.diva-portal.org/smash/get/diva2:1307815/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print |
| 856 | 4 | u https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/evl3.101 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-382654 |
| 856 | 4 8 | u https://doi.org/10.1002/evl3.101 |
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