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Coupling of Barriers to Gene Exchange: Causes and Consequences.
Dopman, Erik B; Shaw, Kerry L; Servedio, Maria R; Butlin, Roger K; Smadja, Carole M.
Afiliación
  • Dopman EB; Department of Biology, Tufts University, Medford, Massachusetts 02155, USA erik.dopman@tufts.edu.
  • Shaw KL; Department of Neurobiology and Behavior, Cornell University, Ithaca, New York 14853, USA.
  • Servedio MR; Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599, USA.
  • Butlin RK; Ecology and Evolutionary Biology, School of Biosciences, The University of Sheffield, Western Bank, Sheffield S10 2TN, United Kingdom.
  • Smadja CM; Department of Marine Sciences, University of Gothenburg, Gothenburg 40530, Sweden.
Cold Spring Harb Perspect Biol ; 16(8)2024 Aug 01.
Article en En | MEDLINE | ID: mdl-38191516
ABSTRACT
Coupling has emerged as a concept to describe the transition from differentiated populations to newly evolved species through the strengthening of reproductive isolation. However, the term has been used in multiple ways, and relevant processes have sometimes not been clearly distinguished. Here, we synthesize existing uses of the concept of coupling and find three main perspectives (1) coupling as the build-up of linkage disequilibrium among loci underlying barriers to gene exchange, (2) coupling as the build-up of genome-wide linkage disequilibrium, and (3) coupling as the process generating a coincidence of distinct barrier effects. We compare and contrast these views, show the diverse processes involved and the complexity of the relationships among recombination, linkage disequilibrium, and reproductive isolation, and, finally, we emphasize how each perspective can guide new directions in speciation research. Although the importance of coupling for evolutionary divergence and speciation is well established, many theoretical and empirical questions remain unanswered.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Desequilibrio de Ligamiento / Especiación Genética / Aislamiento Reproductivo Tipo de estudio: Etiology_studies Límite: Animals Idioma: En Revista: Cold Spring Harb Perspect Biol Asunto de la revista: BIOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Desequilibrio de Ligamiento / Especiación Genética / Aislamiento Reproductivo Tipo de estudio: Etiology_studies Límite: Animals Idioma: En Revista: Cold Spring Harb Perspect Biol Asunto de la revista: BIOLOGIA Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos