ArticleCurrent biology : CB2020
Patterns of Hybrid Seed Inviability in the Mimulus guttatus sp. Complex Reveal a Potential Role of Parental Conflict in Reproductive Isolation.
Article in Current biology : CB, 2020. 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.
- Maintenance of phenotypic divergence in two sympatric monkeyflowers with weak reproductive isolation.bioRxiv : the preprint server for biology · 2026Article
- Introgression and parental conflict shape repeated occurrences of postzygotic isolation in Mimulus.Current biology : CB · 2026Article
- Pangenomics in the Mimulus guttatus Species Complex.Molecular ecology resources · 2026Article
- Ecological and Mutation-Order Speciation in Senecio.Molecular ecology · 2025Article
- Introgression and Parental Conflict Shape Repeated Occurrences of Postzygotic Isolation.bioRxiv : the preprint server for biology · 2025Article
- Unique genetic bases of repeated life-history divergence associated with high altitude adaptation inbioRxiv : the preprint server for biology · 2025Article
- Hybridization and gene expression: Beyond differentially expressed genes.Molecular ecology · 2025Review
- Machine Learning Inference of Gene Regulatory Networks in DevelopingPlants (Basel, Switzerland) · 2024Article
- United by conflict: Convergent signatures of parental conflict in angiosperms and placental mammals.The Journal of heredity · 2024Review
- Parental dialectic: Epigenetic conversations in endosperm.Current opinion in plant biology · 2024Review
- Sex-specific life-history trait expression in hybrids of a cave- and surface-dwelling fish (Current zoology · 2024Article
- Molecular basis and evolutionary drivers of endosperm-based hybridization barriers.Plant physiology · 2024Review
- Postzygotic barriers persist despite ongoing introgression in hybridizing Mimulus species.Molecular ecology · 2024Article
- Genetic Cause of Hybrid Lethality Observed in Reciprocal Interspecific Crosses betweenInternational journal of molecular sciences · 2024Article
- Unveiling the imprinted dance: how parental genomes orchestrate seed development and hybrid success.Frontiers in plant science · 2024Review
- The role of conflict in shaping plant biodiversity.The New phytologist · 2023Review
- Mechanisms of Intrinsic Postzygotic Isolation: From Traditional Genic and Chromosomal Views to Genomic and Epigenetic Perspectives.Cold Spring Harbor perspectives in biology · 2023Review
- Strong postmating reproductive isolation in Mimulus section Eunanus.Journal of evolutionary biology · 2023Article
- Expression pattern of resynthesized allotetraploid Capsella is determined by hybridization, not whole-genome duplication.The New phytologist · 2023Article
- Understanding and overcoming hybrid lethality in seed and seedling stages as barriers to hybridization and gene flow.Frontiers in plant science · 2023Review
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3 authors.
Funding
Abstract
Genomic conflicts may play a central role in the evolution of reproductive barriers. Theory predicts that early-onset hybrid inviability may stem from conflict between parents for resource allocation to offspring. Here, we describe M. decorus: a group of cryptic species within the M. guttatus species complex that are largely reproductively isolated by hybrid seed inviability (HSI). HSI between M. guttatus and M. decorus is common and strong, but populations of M. decorus vary in the magnitude and directionality of HSI with M. guttatus. Patterns of HSI between M. guttatus and M. decorus, as well as within M. decorus, conform to the predictions of parental conflict: first, reciprocal F1s exhibit size differences and parent-of-origin-specific endosperm defects; second, the extent of asymmetry between reciprocal F1 seed size is correlated with asymmetry in HSI; and third, inferred differences in the extent of conflict predict the extent of HSI between populations. We also find that HSI is rapidly evolving, as populations that exhibit the most HSI are each others' closest relative. Lastly, although all populations appear largely outcrossing, we find that the differences in the inferred strength of conflict scale positively with π, suggesting that demographic or life history factors other than transitions to self-fertilization may influence the rate of parental-conflict-driven evolution. Overall, these patterns suggest the rapid evolution of parent-of-origin-specific resource allocation alleles coincident with HSI within and between M. guttatus and M. decorus. Parental conflict may therefore be an important evolutionary driver of reproductive isolation.
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