No Evidence for Reproductive Isolation through Sexual Conflict in the Bulb Mite Rhizoglyphus robini

Plesnar‐Bielak, Agata; Skrzynecka, Anna M.; Prokop, Zofia M.; Kolasa, Michał; Dzialo, Maciej; Radwan, Jacek

doi:10.1371/journal.pone.0074971

Cited by 15 publications

(17 citation statements)

References 44 publications

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“…For example, how often does conflict lead to coevolution, diversification, and speciation? There is suggestive and mixed evidence for all of these larger scale outcomes Martin and Hosken 2004;Rice et al 2005; but see Plesnar-Bielak et al 2013). Even smaller scale questions remain open.…”

Section: Sexually Antagonistic Coevolutionmentioning

confidence: 99%

The Evolution of Sexually Antagonistic Phenotypes

Perry¹,

Rowe²

2015

Cold Spring Harb Perspect Biol

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Sexual conflict occurs whenever there is sexually antagonistic selection on shared traits. When shared traits result from interactions (e.g., mating rate) and have a different genetic basis in each sex (i.e., interlocus conflict), then sex-specific traits that shift the value of these interaction traits toward the sex-specific optimum will be favored. Male traits can be favored that increase the fitness of their male bearers, but decrease the fitness of interacting females. Likewise, female traits that reduce the costs of interacting with harmful males may simultaneously impose costs on males. If the evolution of these antagonistic traits changes the nature of selection acting on the opposite sex, interesting coevolutionary dynamics will result. Here we examine three current issues in the study of sexually antagonistic interactions: the female side of sexual conflict, the ecological context of sexual conflict, and the strength of evidence for sexually antagonistic coevolution.

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Section: Sexually Antagonistic Coevolutionmentioning

confidence: 99%

The Evolution of Sexually Antagonistic Phenotypes

Perry¹,

Rowe²

2015

Cold Spring Harb Perspect Biol

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“…However, there is no empirical evidence favouring this. Despite multiple studies testing the hypothesis in different organisms, the study by Martin and Hosken remains the only direct evidence of SAC as a driver of RI so far 16–20 , and the idea of sexual conflict as an ‘engine of speciation’ remains controversial 21 .…”

Section: Introductionmentioning

confidence: 99%

Reproductive Isolation through Experimental Manipulation of Sexually Antagonistic Coevolution in Drosophila melanogaster

Syed

Chatterjee

Samant

et al. 2017

Sci Rep

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Promiscuity can drive the evolution of sexual conflict before and after mating occurs. Post mating, the male ejaculate can selfishly manipulate female physiology, leading to a chemical arms race between the sexes. Theory suggests that drift and sexually antagonistic coevolution can cause allopatric populations to evolve different chemical interactions between the sexes, thereby leading to postmating reproductive barriers and speciation. There is, however, little empirical evidence supporting this form of speciation. We tested this theory by creating an experimental evolutionary model of Drosophila melanogaster populations undergoing different levels of interlocus sexual conflict. We found that allopatric populations under elevated sexual conflict show assortative mating, indicating premating reproductive isolation. Further, these allopatric populations also show reduced copulation duration and sperm defense ability when mating happens between individuals across populations compared to that within the same population, indicating postmating prezygotic isolation. Sexual conflict can cause reproductive isolation in allopatric populations through the coevolution of chemical (postmating prezygotic) as well as behavioural (premating) interactions between the sexes. Thus, to our knowledge, we provide the first comprehensive evidence of postmating (as well as premating) reproductive isolation due to sexual conflict.

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“…Fry found equivocal support for sexual selection generating RI [8]. Subsequent work on sexual selection and speciation continues to fail to find significant RI [14][15][16][17], even when manipulating genetic variation and population size to increase the likelihood of response [14] and assessing different RI barriers [15]. One species, Drosophila melanogaster, has been tested independently in two laboratories but only one study found RI [18,19].…”

Section: Glossarymentioning

confidence: 99%

The Past and Future of Experimental Speciation

White

Snook

Eyres

2020

Trends in Ecology & Evolution

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Speciation is the result of evolutionary processes that generate barriers to gene flow between populations, facilitating reproductive isolation. Speciation is typically studied via theoretical models and snapshot tests in natural populations. Experimental speciation enables real-time direct tests of speciation theory and has been long touted as a critical complement to other approaches. We argue that, despite its promise to elucidate the evolution of reproductive isolation, experimental speciation has been underutilised and lags behind other contributions to speciation research. We review recent experiments and outline a framework for how experimental speciation can be implemented to address current outstanding questions that are otherwise challenging to answer. Greater uptake of this approach is necessary to rapidly advance understanding of speciation.

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No Evidence for Reproductive Isolation through Sexual Conflict in the Bulb Mite Rhizoglyphus robini

Cited by 15 publications

References 44 publications

The Evolution of Sexually Antagonistic Phenotypes

The Evolution of Sexually Antagonistic Phenotypes

Reproductive Isolation through Experimental Manipulation of Sexually Antagonistic Coevolution in Drosophila melanogaster

The Past and Future of Experimental Speciation

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