A Sperm Factor Affecting the Receptivity of Drosophila Melanogaster Females

Manning, Aubrey

doi:10.1038/194252a0

Cited by 231 publications

(175 citation statements)

References 4 publications

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“…A second possible explanation is that polyandry boosts queen fecundity. That mating triggers an increase in egg laying has been reported in some species (Manning 1962;Thornhill & Alcock 1983). For instance, during copulation males of Drosophila melanogaster transfer a protein in the seminal fluid that increases female egg-laying rates (Herndon & Wolfner 1995).…”

Section: Discussionmentioning

confidence: 94%

Influence of queen phenotype, investment and maternity apportionment on the outcome of fights in cooperative foundations of the ant Lasius niger

2009

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Keywords: aggression black garden ant colony founding competition Lasius niger microsatellite pleometrosis reproductive conflict Cooperative colony founding (pleometrosis) in social insects is an ideal model for investigating how cooperation and competition shape social behaviour among unrelated individuals. In many ant species, foundress associations are more competitive and the colonies survive better compared with singlequeen colonies. However, cooperation among queens breaks down at the time of emergence of the first workers, and all but one queen are eliminated. Because no sexuals are produced in incipient colonies, the surviving queen will monopolize the future reproductive success of the colony, while defeated queens will have zero fitness. We examined factors affecting queens' survival prospects during reversion to single-queen colonies in cooperative foundations of the ant Lasius niger. By combining phenotypic and genotypic analyses, we determined how queen's size, individual investment and maternity apportionment influence the outcome of fights. Larger queens were more likely to survive fights. However, smaller queens survived up to one-third of the fighting. By contrast, neither weight loss at the time of a fight outbreak, a measure of queens' relative investment in brood production, nor maternity apportionment influenced the outcome of fights. Moreover, investment of cofoundresses and partitioning of reproduction were not adjusted to queen's size, suggesting that reproductive competition among queens does not occur before the emergence of the first workers. These results lead us to consider pleometrotic associations in L. niger as a 'best of a bad job', whereby the benefits of joint founding and the probability of surviving the conflict might be sufficient for smaller queens to embark on cooperative foundations. Ó

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Section: Discussionmentioning

confidence: 94%

Influence of queen phenotype, investment and maternity apportionment on the outcome of fights in cooperative foundations of the ant Lasius niger

2009

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“…Some laboratory studies have reported that females become very reluctant to remate after a successful copulation (Manning, 1962;Gromko et al, 1984;Letsinger & Gromko, 1985;Pyle & Gromko, 1981). These authors postulated two mechanisms that prevent an already inseminated female from remating: a shortlasting copulation effect and a long-lasting sperm effect.…”

Section: Introductionmentioning

confidence: 99%

The adult component of selection in Drosophila melanogaster: some aspects of early-remating activity of females

Vianen

Bijlsma

1993

Heredity

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As an important factor of the adult component of selection, mating behaviour was studied in Drosophila melanogaster, with emphasis on non-virgin females. We found that 30-50 per cent of the females in a laboratory population will remate within 6 h of first mating under no-choice conditions. This high percentage of early rematings was not due to the continuous confinement of the females with males but indicated a rapid return of receptivity of a significant proportion of the females. Remating behaviour was significantly influenced by both the genotype of the female and the genotype of her two successive partners. Age of females was only important insofar as it concerned young, 1 or 2-day old, females. These females showed less remating than older females. Willingness to remate was also affected by the number of sperm stored. Females that had been inseminated by less fertile males, i.e. males that had already mated two or three times, showed higher remating percentages than females inseminated by more fertile males. Notwithstanding this sperm effect, females were estimated to remate approximately every second day. It is suggested that a high frequency of remating and the resulting sperm competition are significant components of Drosophila life-history.

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“…Manning (1962) reported that Drosophila melanogaster females will not mate in less than 2-day intervals, a time varying according to the strain and the species. Wheeler (1947) described the insemination reaction that prevents the female from mating immediately in many Drosophila species.…”

Section: Introductionmentioning

confidence: 99%

Multiple matings effective population size and sexual selection in Drosophila melanogaster

Petit¹,

Bourgeron²,

Merçot³

1980

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SUMMARYThe distribution of sexually efficient males has been analysed in two populations made up of 5 times more females than males. When observation stops as soon as the number of inseminated females equals the number of males, 25 per cent of males in both strains had not mated, 50 per cent of the matings were performed by 50 per cent of the males who mated only once and the other 50 per cent of matings were performed by 25 per cent of the males who mated 2 or 3 times.Productivity of the successive matings falls drastically after the third mating. The relative role of sexual selection and multiple matings as components of fitness are discussed, as well as their implications for the effective population size.

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A Sperm Factor Affecting the Receptivity of Drosophila Melanogaster Females

Cited by 231 publications

References 4 publications

Influence of queen phenotype, investment and maternity apportionment on the outcome of fights in cooperative foundations of the ant Lasius niger

Influence of queen phenotype, investment and maternity apportionment on the outcome of fights in cooperative foundations of the ant Lasius niger

The adult component of selection in Drosophila melanogaster: some aspects of early-remating activity of females

Multiple matings effective population size and sexual selection in Drosophila melanogaster

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