Seminal fluid and accessory male investment in sperm competition

Ramm SA (2020)
Philosophical Transactions of the Royal Society B: Biological Sciences 375(1813): 20200068.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Sperm production and allocation strategies have been a central concern of sperm competition research for the past 50 years. But during the ‘sexual cascade’ there may be strong selection for alternative routes to maximizing male fitness. Especially with the evolution of internal fertilization, a common and by now well-studied example is the accessory ejaculate investment represented by seminal fluid, the complex mixture of proteins, peptides and other components transferred to females together with sperm. How seminal fluid investment should covary with sperm investment probably depends on the mechanism of seminal fluid action. If seminal fluid components boost male paternity success by directly enhancing sperm function or use, we might often expect a positive correlation between the two forms of male investment, whereas trade-offs seem more likely if seminal fluid acts independently of sperm. This is largely borne out by a broad taxonomic survey to establish the prevailing patterns of seminal fluid production and allocation during animal evolution, in light of which I discuss the gaps that remain in our understanding of this key ejaculate component and its relationship to sperm investment, before outlining promising approaches for examining seminal fluid-mediated sperm competitiveness in the post-genomic era.
This article is part of the theme issue ‘Fifty years of sperm competition’.
Stichworte
General Biochemistry; Genetics and Molecular Biology; General Agricultural and Biological Sciences
Erscheinungsjahr
2020
Zeitschriftentitel
Philosophical Transactions of the Royal Society B: Biological Sciences
Band
375
Ausgabe
1813
Art.-Nr.
20200068
ISSN
0962-8436
eISSN
1471-2970
Page URI
https://pub.uni-bielefeld.de/record/2946638

Zitieren

Ramm SA. Seminal fluid and accessory male investment in sperm competition. Philosophical Transactions of the Royal Society B: Biological Sciences. 2020;375(1813): 20200068.
Ramm, S. A. (2020). Seminal fluid and accessory male investment in sperm competition. Philosophical Transactions of the Royal Society B: Biological Sciences, 375(1813), 20200068. doi:10.1098/rstb.2020.0068
Ramm, S. A. (2020). Seminal fluid and accessory male investment in sperm competition. Philosophical Transactions of the Royal Society B: Biological Sciences 375:20200068.
Ramm, S.A., 2020. Seminal fluid and accessory male investment in sperm competition. Philosophical Transactions of the Royal Society B: Biological Sciences, 375(1813): 20200068.
S.A. Ramm, “Seminal fluid and accessory male investment in sperm competition”, Philosophical Transactions of the Royal Society B: Biological Sciences, vol. 375, 2020, : 20200068.
Ramm, S.A.: Seminal fluid and accessory male investment in sperm competition. Philosophical Transactions of the Royal Society B: Biological Sciences. 375, : 20200068 (2020).
Ramm, Steven A. “Seminal fluid and accessory male investment in sperm competition”. Philosophical Transactions of the Royal Society B: Biological Sciences 375.1813 (2020): 20200068.

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