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36-year study reveals stability of a wild wheat population across microhabitats.
Dahan-Meir, Tal; Ellis, Thomas James; Mafessoni, Fabrizio; Sela, Hanan; Rudich, Ori; Manisterski, Jacob; Avivi-Ragolsky, Naomi; Raz, Amir; Feldman, Moshe; Anikster, Yehoshua; Nordborg, Magnus; Levy, Avraham A.
Afiliación
  • Dahan-Meir T; Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot, Israel.
  • Ellis TJ; Gregor Mendel Institute, Austrian Academy of Sciences, Vienna BioCenter, Vienna, Austria.
  • Mafessoni F; Gregor Mendel Institute, Austrian Academy of Sciences, Vienna BioCenter, Vienna, Austria.
  • Sela H; Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot, Israel.
  • Rudich O; Institute of Evolution, University of Haifa, Haifa, Israel.
  • Manisterski J; The Institute for Cereal Crops Improvement, Tel-Aviv University, Tel Aviv, Israel.
  • Avivi-Ragolsky N; Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot, Israel.
  • Raz A; The Institute for Cereal Crops Improvement, Tel-Aviv University, Tel Aviv, Israel.
  • Feldman M; Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot, Israel.
  • Anikster Y; Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot, Israel.
  • Nordborg M; Migal, Galilee Technology Center, Kiryat Shmona, Israel.
  • Levy AA; Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovot, Israel.
Mol Ecol ; 33(19): e17512, 2024 Oct.
Article en En | MEDLINE | ID: mdl-39219267
ABSTRACT
Long-term genetic studies of wild populations are very scarce, but are essential for connecting ecological and population genetics models, and for understanding the dynamics of biodiversity. We present a study of a wild wheat population sampled over a 36-year period at high spatial resolution. We genotyped 832 individuals from regular sampling along transects during the course of the experiment. Genotypes were clustered into ecological microhabitats over scales of tens of metres, and this clustering was remarkably stable over the 36 generations of the study. Simulations show that it is difficult to determine whether this spatial and temporal stability reflects extremely limited dispersal or fine-scale local adaptation to ecological parameters. Using a common-garden experiment, we showed that the genotypes found in distinct microhabitats differ phenotypically. Our results provide a rare insight into the population genetics of a natural population over a long monitoring period.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Triticum / Ecosistema / Genética de Población / Genotipo Idioma: En Revista: Mol Ecol Asunto de la revista: BIOLOGIA MOLECULAR / SAUDE AMBIENTAL Año: 2024 Tipo del documento: Article País de afiliación: Israel Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Triticum / Ecosistema / Genética de Población / Genotipo Idioma: En Revista: Mol Ecol Asunto de la revista: BIOLOGIA MOLECULAR / SAUDE AMBIENTAL Año: 2024 Tipo del documento: Article País de afiliación: Israel Pais de publicación: Reino Unido