The genomes of Darwin's primroses reveal chromosome-scale adaptive introgression and differential permeability of species boundaries

IF 8.3 1区生物学 Q1 PLANT SCIENCES New Phytologist Pub Date : 2023-11-03 DOI:10.1111/nph.19361

Rebecca L. Stubbs, Spyros Theodoridis, Emiliano Mora-Carrera, Barbara Keller, Giacomo Potente, Narjes Yousefi, Paul Jay, Étienne Léveillé-Bourret, Rimjhim Roy Choudhury, Ferhat Celep, Judita Kochjarová, Elena Conti

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达尔文报春花的基因组揭示了染色体规模的适应性渗入和物种边界的差异渗透性。

渐渗是决定物种对环境条件适应的遗传变异的重要来源。然而，关于自然渗入的基因组和适应性影响的确切证据仍然很少。达尔文报春花（Primula elatior、Primula veris和Primula vulgaris）广泛的杂交区为研究开花植物的渗入和物种边界的不同渗透性提供了一个独特的自然实验室。通过对650个基因组的分析，我们提供了一个渗入基因组区域的证据，该区域可能在土壤毒性条件下赋予适应性优势。我们还记录了叶绿体渗入的明确证据，这是全物种叶绿体捕获的重要前兆。最后，我们提供了第一个证据，证明控制报春花异基性的S基因座超基因在该分支中没有渗入。我们的研究结果为渗入的适应性作用提供了新的见解，并证明了广泛的基因组和地理采样对阐明物种边界的复杂性的重要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

New Phytologist 生物-植物科学

自引率

5.30%

发文量

728

期刊介绍： New Phytologist is an international electronic journal published 24 times a year. It is owned by the New Phytologist Foundation, a non-profit-making charitable organization dedicated to promoting plant science. The journal publishes excellent, novel, rigorous, and timely research and scholarship in plant science and its applications. The articles cover topics in five sections: Physiology & Development, Environment, Interaction, Evolution, and Transformative Plant Biotechnology. These sections encompass intracellular processes, global environmental change, and encourage cross-disciplinary approaches. The journal recognizes the use of techniques from molecular and cell biology, functional genomics, modeling, and system-based approaches in plant science. Abstracting and Indexing Information for New Phytologist includes Academic Search, AgBiotech News & Information, Agroforestry Abstracts, Biochemistry & Biophysics Citation Index, Botanical Pesticides, CAB Abstracts®, Environment Index, Global Health, and Plant Breeding Abstracts, and others.