ArticleBMC evolutionary biology2020
Positive selection alone is sufficient for whole genome differentiation at the early stage of speciation process in the fall armyworm.
Article in BMC evolutionary biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- From the Americas to Southeast Asia: Navigating The Genomic Waves of Fall Armyworm (Evolutionary applications · 2025Article
- Population genomics analyses reveal the role of hybridization in the rapid invasion of fall armyworm.Journal of advanced research · 2025Article
- Is the extreme within-population genome size variation real in Spodoptera frugiperda?PloS one · 2025Article
- Two host-plant strains in the fall armyworm.Insect science · 2024Review
- CRISPR/Cas9-Based Genome Editing of Fall Armyworm (Biomolecules · 2024Review
- Host-plant adaptation as a driver of incipient speciation in the fall armyworm (Spodoptera frugiperda).BMC ecology and evolution · 2022Article
- Evidence of hard-selective sweeps suggests independent adaptation to insecticides in Colorado potato beetle (Coleoptera: Chrysomelidae) populations.Evolutionary applications · 2022Article
- Incipient speciation between host-plant strains in the fall armyworm.BMC ecology and evolution · 2022Article
- Genome Resequencing Reveals Rapid, Repeated Evolution in the Colorado Potato Beetle.Molecular biology and evolution · 2022Article
- Genome and transcriptome analysis of the beet armyworm Spodoptera exigua reveals targets for pest control.G3 (Bethesda, Md.) · 2021Article
- Integrated miRNA and transcriptome profiling to explore the molecular determinism of convergent adaptation to corn in two lepidopteran pests of agriculture.BMC genomics · 2021Article
- Geographic Monitoring of Insecticide Resistance Mutations in Native and Invasive Populations of the Fall Armyworm.Insects · 2021Article
- Whole genome comparisons reveal panmixia among fall armyworm (Spodoptera frugiperda) from diverse locations.BMC genomics · 2021Article
- Adaptation by copy number variation increases insecticide resistance in the fall armyworm.Communications biology · 2020Article
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6 authors.
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Abstract
backgroundThe process of speciation involves differentiation of whole genome sequences between a pair of diverging taxa. In the absence of a geographic barrier and in the presence of gene flow, genomic differentiation may occur when the homogenizing effect of recombination is overcome across the whole genome. The fall armyworm is observed as two sympatric strains with different host-plant preferences across the entire habitat. These two strains exhibit a very low level of genetic differentiation across the whole genome, suggesting that genomic differentiation occurred at an early stage of speciation. In this study, we aim at identifying critical evolutionary forces responsible for genomic differentiation in the fall armyworm.
resultsThese two strains exhibit a low level of genomic differentiation (F
conclusionsFrom these results, we concluded that genomic differentiation may occur at the early stage of a speciation process in the fall armyworm and that mild positive selection targeting many loci alone is sufficient evolutionary force for generating the pattern of genomic differentiation. This genomic differentiation may provide a condition for accelerated genomic differentiation by synergistic effects among linkage disequilibrium generated by following events of positive selection. Our study highlights genomic differentiation as a key evolutionary factor connecting positive selection to divergent selection.
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