ArticleEvolution; international journal of organic evolution2011
Loss of sexual recombination and segregation is associated with increased diversification in evening primroses.
Article in Evolution; international journal of organic evolution, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Article
- No evidence for accumulation of deleterious mutations and fitness degradation in clonal fish hybrids: Abandoning sex without regrets.Molecular ecology · 2020Article
- Multi-gene phylogeny of Tetrahymena refreshed with three new histophagous species invading freshwater planarians.Parasitology research · 2020Article
- Estimating Age-Dependent Extinction: Contrasting Evidence from Fossils and Phylogenies.Systematic biology · 2018Article
- The evolution of floral sonication, a pollen foraging behavior used by bees (Anthophila).Evolution; international journal of organic evolution · 2018Article
- Repeated evolution and reversibility of self-fertilization in the volvocine green algae.Evolution; international journal of organic evolution · 2018Article
- Low recombination rates in sexual species and sex-asex transitions.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2017Article
- Diversification dynamics of rhynchostomatian ciliates: the impact of seven intrinsic traits on speciation and extinction in a microbial group.Scientific reports · 2017Article
- Comparative tests of the role of dewlap size in Anolis lizard speciation.Proceedings. Biological sciences · 2016Article
- Assortative mating and self-fertilization differ in their contributions to reinforcement, cascade speciation, and diversification.Current zoology · 2016Article
- Quantifying Age-dependent Extinction from Species Phylogenies.Systematic biology · 2016Article
- Multiple independent origins of auto-pollination in tropical orchids (Bulbophyllum) in light of the hypothesis of selfing as an evolutionary dead end.BMC evolutionary biology · 2015Article
- Taxonomy and Biogeography of Apomixis in Angiosperms and Associated Biodiversity Characteristics.Critical reviews in plant sciences · 2014Article
- Heterostyly accelerates diversification via reduced extinction in primroses.Proceedings. Biological sciences · 2014Article
- Exploring power and parameter estimation of the BiSSE method for analyzing species diversification.BMC evolutionary biology · 2013Article
- Lineage Selection and the Maintenance of Sex.PloS one · 2013Article
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5 authors.
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Abstract
The loss of sexual recombination and segregation in asexual organisms has been portrayed as an irreversible process that commits asexually reproducing lineages to reduced diversification. We test this hypothesis by estimating rates of speciation, extinction, and transition between sexuality and functional asexuality in the evening primroses. Specifically, we estimate these rates using the recently developed BiSSE (Binary State Speciation and Extinction) phylogenetic comparative method, which employs maximum likelihood and Bayesian techniques. We infer that net diversification rates (speciation minus extinction) in functionally asexual evening primrose lineages are roughly eight times faster than diversification rates in sexual lineages, largely due to higher speciation rates in asexual lineages. We further reject the hypothesis that a loss of recombination and segregation is irreversible because the transition rate from functional asexuality to sexuality is significantly greater than zero and in fact exceeded the reverse rate. These results provide the first empirical evidence in support of the alternative theoretical prediction that asexual populations should instead diversify more rapidly than sexual populations because they are free from the homogenizing effects of sexual recombination and segregation. Although asexual reproduction may often constrain adaptive evolution, our results show that the loss of recombination and segregation need not be an evolutionary dead end in terms of diversification of lineages.
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