Transgenerational effects of sexual interactions and sexual conflict: non-sires boost the fecundity of females in the following generation.
TLDR
It is found that, in Drosophila melanogaster, components of reproductive success in females, but not males, were contingent on the nature of sexual interactions experienced by their mothers, highlighting the importance of non-sire influences ofSexual interactions on the expression of offspring life histories.Abstract:
The consequences of sexual interactions extend beyond the simple production of offspring. These interactions typically entail direct effects on female fitness, but may also impact the life historie...read more
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The Female Response to Seminal Fluid.
TL;DR: Male-female seminal fluid signaling is evident in all mammalian species investigated including human, and effects of seminal fluid in invertebrates indicate evolutionarily conserved mechanisms.
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Sexual conflict drives male manipulation of female postmating responses in Drosophila melanogaster.
Brian Hollis,Mareike Koppik,Kristina U. Wensing,Kristina U. Wensing,Hanna Ruhmann,Hanna Ruhmann,Eléonore Genzoni,Berra Erkosar,Tadeusz J. Kawecki,Claudia Fricke,Laurent Keller +10 more
TL;DR: The results confirm the presence of sexually antagonistic selection on postcopulatory interactions that can be reversed by monogamy and demonstrate that the female postmating response, and the male molecules involved in eliciting this response, are shaped by ongoing sexual conflict.
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Ejaculate-mediated paternal effects: evidence, mechanisms and evolutionary implications
Jonathan P. Evans,Alastair J. Wilson,Andrea Pilastro,Francisco Garcia-Gonzalez,Francisco Garcia-Gonzalez +4 more
TL;DR: Evidence is gathered from several disciplines and numerous taxonomic systems to reveal the extent of ejaculate-mediated paternal effects (EMPEs), which are both widespread and varied in their effects, although studies reporting their evolutionary effects are still in their infancy.
Journal ArticleDOI
Seminal Fluid and Mate Choice: New Predictions.
TL;DR: It is argued that a hypothesis from paternal investment systems - that selection can favour changing female preferences that maximise both sperm-borne and seminal fluid-borne benefits - could therefore apply much more broadly.
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Sperm pre-fertilization thermal environment shapes offspring phenotype and performance
Jukka Kekäläinen,Párástu Oskoei,Párástu Oskoei,Matti Janhunen,Heikki Koskinen,Raine Kortet,Hannu Huuskonen +6 more
TL;DR: Sperm pre-fertilization thermal environment mediates transgenerational plasticity, which shapes offspring body size, post-hatching performance and also modifies the magnitude of dam effects and compatibility of the gametes.
References
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R: A language and environment for statistical computing.
TL;DR: Copyright (©) 1999–2012 R Foundation for Statistical Computing; permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and permission notice are preserved on all copies.
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Sex Peptide Causes Mating Costs in Female Drosophila melanogaster
Stuart Wigby,Tracey Chapman +1 more
TL;DR: It is demonstrated here that a single Acp, the sex peptide (SP or Acp70A), which decreases female receptivity and stimulates egg production in the first matings of virgin females , is a major contributor to Acp-mediated mating costs in females.
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The temporal requirements for insulin signaling during development in Drosophila.
TL;DR: It is hypothesized that the insulin-signaling pathway controls such diverse effects as total developmental time, total body size and organ size through its effects on the rate of cell growth, and proliferation in different organs.
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Maternal tract factors contribute to paternal seminal fluid impact on metabolic phenotype in offspring
John J. Bromfield,John E. Schjenken,Peck Yin Chin,Alison S. Care,Melinda J. Jasper,Sarah A. Robertson +5 more
TL;DR: The findings show that paternal seminal fluid composition affects the growth and health of male offspring, and reveal that its impact on the periconception environment involves not only sperm protection but also indirect effects on preimplantation embryos via oviduct expression of embryotrophic cytokines.