ArticleProceedings of the National Academy of Sciences of the United States of America2020
Sympatric speciation of wild emmer wheat driven by ecology and chromosomal rearrangements.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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31 citing papers in PubMed.
- Plastome diversity and phylogenetic insights among modern Egyptian wheat cultivars: Genome-Wide and Gene-Level perspectives.BMC plant biology · 2025Article
- Near-complete genome assembly of allotetraploid Erianthus rockii reveals unique chromosome evolution and lineage-divergence trajectories in the Saccharum complex.Plant communications · 2025Article
- An NLR pair in the Pm68 locus confers powdery mildew resistance in durum and common wheat.Nature communications · 2025Article
- Genomic and evolutionary evidence for drought adaptation of allopolyploid Brachypodium hybridum.Journal of experimental botany · 2025Article
- Genetic Differentiation of Geographically Overlapping Sister Species ofEcology and evolution · 2025Article
- Genomic structural variation in an alpha/beta hydrolase triggers hybrid necrosis in wheat.Nature communications · 2025Article
- Genomic insights into the origin and evolution of spelt (Triticum spelta L.) as a valuable gene pool for modern wheat breeding.Plant communications · 2024Article
- Rht12b, a widely used ancient allele of TaGA2oxA13, reduces plant height and enhances yield potential in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Scattered differentiation of unlinked loci across the genome underlines ecological divergence of the selfing grassProceedings of the National Academy of Sciences of the United States of America · 2023Article
- Genomics of plant speciation.Plant communications · 2023Review
- Contribution of Duplicated Nucleotide-Binding Leucine-Rich Repeat (NLR) Genes to Wheat Disease Resistance.Plants (Basel, Switzerland) · 2023Review
- The Influence of Edaphic Factors on DNA Damage and Repair in Wild WheatInternational journal of molecular sciences · 2023Article
- Identification of structural variations related to drought tolerance in wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Allelic variation of TaWD40-4B.1 contributes to drought tolerance by modulating catalase activity in wheat.Nature communications · 2023Article
- Triticeae crop genome biology: an endless frontier.Frontiers in plant science · 2023Review
- Genome architecture and diverged selection shaping pattern of genomic differentiation in wild barley.Plant biotechnology journal · 2023Article
- Sympatric Speciation in Mole Rats and Wild Barley and Their Genome Repeatome Evolution: A Commentary.Advanced genetics (Hoboken, N.J.) · 2022Article
- Sympatric or micro-allopatric speciation in a glacial lake? Genomic islands support neither.National science review · 2022Article
- Wheat genomic study for genetic improvement of traits in China.Science China. Life sciences · 2022Review
- Sympatric genetic divergence between early- and late-season weedy rice populations.The New phytologist · 2022Article
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29 authors.
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Abstract
In plants, the mechanism for ecological sympatric speciation (SS) is little known. Here, after ruling out the possibility of secondary contact, we show that wild emmer wheat, at the microclimatically divergent microsite of "Evolution Canyon" (EC), Mt. Carmel, Israel, underwent triple SS. Initially, it split following a bottleneck of an ancestral population, and further diversified to three isolated populations driven by disruptive ecological selection. Remarkably, two postzygotically isolated populations (SFS1 and SFS2) sympatrically branched within an area less than 30 m at the tropical hot and dry savannoid south-facing slope (SFS). A series of homozygous chromosomal rearrangements in the SFS1 population caused hybrid sterility with the SFS2 population. We demonstrate that these two populations developed divergent adaptive mechanisms against severe abiotic stresses on the tropical SFS. The SFS2 population evolved very early flowering, while the SFS1 population alternatively evolved a direct tolerance to irradiance by improved ROS scavenging activity that potentially accounts for its evolutionary fate with unstable chromosome status. Moreover, a third prezygotically isolated sympatric population adapted on the abutting temperate, humid, cool, and forested north-facing slope (NFS), separated by 250 m from the SFS wild emmer wheat populations. The NFS population evolved multiple resistant loci to fungal diseases, including powdery mildew and stripe rust. Our study illustrates how plants sympatrically adapt and speciate under disruptive ecological selection of abiotic and biotic stresses.
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