ArticleGenetics2017
Asexual but Not Clonal: Evolutionary Processes in Automictic Populations.
Article in Genetics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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Who cites it
38 citing papers in PubMed.
- Transgenerational chromosome repair in the asexual bdelloid rotiferScience advances · 2026Article
- The Use of dN/dS Ratios to Investigate Types of Selection in Related Sexual and Asexual Lineages.Genome biology and evolution · 2026Review
- Genomic consequences of residual recombination in a hybrid apomictic hickory complex.Nature communications · 2026Article
- Navigating the Semantic Labyrinth of "Sex" in the Study of Reproductive Trait Evolution.Integrative and comparative biology · 2026Article
- Influence of Phase Change on Parthenogenesis in the Migratory Locust: A Behavioral Analysis.Insects · 2025Article
- Article
- Tendency towards clonality: deviations of meiosis in parthenogenetic Caucasian rock lizards†.Biology of reproduction · 2025Article
- The Tree of Sex consortium: a global initiative for studying the evolution of reproduction in eukaryotes.Journal of evolutionary biology · 2025Article
- Gain and Loss of Heterozygosity in the Genome of the Asexual Nematode Halicephalobus mephisto.Journal of molecular evolution · 2025Article
- No Mate, No Problem: Molecular Mechanisms Involved in Parthenogenesis in the Cosmopolitan Earthworm Aporrectodea trapezoides (Annelida, Clitellata).Molecular ecology · 2025Article
- Reproductive Transitions and Sperm Utilisation in a Facultatively Parthenogenetic Stick Insect.Ecology and evolution · 2025Article
- Purging of Highly Deleterious Mutations Through an Extreme Bottleneck.Molecular biology and evolution · 2025Article
- Chromosome-scale genome dynamics reveal signatures of independent haplotype evolution in the ancient asexual miteScience advances · 2025Article
- Ecological diversification in sexual and asexual lineages.Scientific reports · 2024Article
- Asexuality shapes traits in a hybrid fish.Nature communications · 2024Article
- Premeiotic endoreplication is the mechanism of obligate parthenogenesis in rock lizards of the genusBiology letters · 2024Article
- Co-inheritance of recombined chromatids maintains heterozygosity in a parthenogenetic ant.Nature ecology & evolution · 2024Article
- Apomixis and the paradox of sex in plants.Annals of botany · 2024Review
- Unselfish meiotic drive maintains heterozygosity in a parthenogenetic ant.bioRxiv : the preprint server for biology · 2024Article
- Evidence for selfing in a vertebrate from whole-genome sequencing.Genome research · 2023Article
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1 author.
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No grant is acknowledged in the PubMed record.
Abstract
Many parthenogenetically reproducing animals produce offspring not clonally but through different mechanisms collectively referred to as automixis. Here, meiosis proceeds normally but is followed by a fusion of meiotic products that restores diploidy. This mechanism typically leads to a reduction in heterozygosity among the offspring compared to the mother. Following a derivation of the rate at which heterozygosity is lost at one and two loci, depending on the number of crossovers between loci and centromere, a number of models are developed to gain a better understanding of basic evolutionary processes in automictic populations. Analytical results are obtained for the expected neutral genetic variation, effective population size, mutation-selection balance, selection with overdominance, the spread of beneficial mutations, and selection on crossover rates. These results are complemented by numerical investigations elucidating how associative overdominance (two off-phase deleterious mutations at linked loci behaving like an overdominant locus) can in some cases maintain heterozygosity for prolonged times, and how clonal interference affects adaptation in automictic populations. These results suggest that although automictic populations are expected to suffer from the lack of gene shuffling with other individuals, they are nevertheless, in some respects, superior to both clonal and outbreeding sexual populations in the way they respond to beneficial and deleterious mutations. Implications for related genetic systems such as intratetrad mating, clonal reproduction, selfing, as well as different forms of mixed sexual and automictic reproduction are discussed.
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