ArticleMolecular biology and evolution2023
Genomic Insights into Adaptation to Karst Limestone and Incipient Speciation in East Asian Platycarya spp. (Juglandaceae).
Article in Molecular biology and evolution, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 28 citations in OpenAlex.
- Comparative and phylogenomic analyses of 19 Petrocodon (Gesneriaceae) species from the Guizhou karst plateau, China, featuring 13 newly assembled chloroplast genomes.BMC plant biology · 2026Article
- Genome-Wide Resequencing Reveals Genetic Diversity and Selection Signatures in Two Indigenous Goat Populations From Xizang.Animal genetics · 2026Article
- A genomic perspective on adaptation to heterogeneous environments for Cycas segmentifida (Cycadaceae), an endemic cycad in southwest China.Annals of botany · 2026Article
- Local adaptation sustains genetic differentiation between two varieties of Chinese walnut (Plant diversity · 2026Article
- Development of Chloroplast Microsatellite Markers and Assessment of Genetic Diversity and Population Structure ofCurrent issues in molecular biology · 2026Article
- Speciation, endangerment and adaptation in limestone rocky environment ofPlant diversity · 2026Article
- Genomic insights into the survival code of karst plants.Plant diversity · 2026Article
- High-quality genome ofPlant diversity · 2026Article
- Chromosome-level genome assembly and population genomics analysis ofPlant diversity · 2026Article
- Genomic Insights into Adaptation ofPlants (Basel, Switzerland) · 2026Article
- Structural variation drives rhizome innovation and adaptive divergence in sister Medicago species.Journal of integrative plant biology · 2026Article
- LGRPv2: A high-value platform for the advancement of Fabaceae genomics.Plant biotechnology journal · 2025Article
- Living on the Rocks: Genomic Analysis of Limestone Langurs Provides Novel Insights into the Adaptive Evolution in Extreme Karst Environments.Genomics, proteomics & bioinformatics · 2025Article
- Genetic analysis of wild walnuts in Xinjiang based on whole-genome resequencing.Frontiers in plant science · 2025Article
- Uncovering ghost introgression through genomic analysis of a distinct eastern Asian hickory species.The Plant journal : for cell and molecular biology · 2024Article
- Landform and lithospheric development contribute to the assembly of mountain floras in China.Nature communications · 2024Article
- Chromosome-level genome assembly of Platycarya strobilacea.Scientific data · 2024Article
- Distinct ancient structural polymorphisms control heterodichogamy in walnuts and hickories.bioRxiv : the preprint server for biology · 2024Article
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Authors and funding
9 authors at 3 institutions in 3 countries.
Funding
Abstract
When challenged by similar environmental conditions, phylogenetically distant taxa often independently evolve similar traits (convergent evolution). Meanwhile, adaptation to extreme habitats might lead to divergence between taxa that are otherwise closely related. These processes have long existed in the conceptual sphere, yet molecular evidence, especially for woody perennials, is scarce. The karst endemic Platycarya longipes and its only congeneric species, Platycarya strobilacea, which is widely distributed in the mountains in East Asia, provide an ideal model for examining the molecular basis of both convergent evolution and speciation. Using chromosome-level genome assemblies of both species, and whole-genome resequencing data from 207 individuals spanning their entire distribution range, we demonstrate that P. longipes and P. strobilacea form two species-specific clades, which diverged around 2.09 million years ago. We find an excess of genomic regions exhibiting extreme interspecific differentiation, potentially due to long-term selection in P. longipes, likely contributing to the incipient speciation of the genus Platycarya. Interestingly, our results unveil underlying karst adaptation in both copies of the calcium influx channel gene TPC1 in P. longipes. TPC1 has previously been identified as a selective target in certain karst-endemic herbs, indicating a convergent adaptation to high calcium stress among karst-endemic species. Our study reveals the genic convergence of TPC1 among karst endemics and the driving forces underneath the incipient speciation of the two Platycarya lineages.
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