Reconciling field observations of dispersal with estimates of gene flow.

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  • Author(s): Jones A;Jones A
  • Source:
    Molecular ecology [Mol Ecol] 2010 Oct; Vol. 19 (20), pp. 4379-82.
  • Publication Type:
    Journal Article
  • Language:
    English
  • Additional Information
    • Source:
      Publisher: Blackwell Scientific Publications Country of Publication: England NLM ID: 9214478 Publication Model: Print Cited Medium: Internet ISSN: 1365-294X (Electronic) Linking ISSN: 09621083 NLM ISO Abbreviation: Mol Ecol Subsets: MEDLINE
    • Publication Information:
      Original Publication: Oxford, UK : Blackwell Scientific Publications, c1992-
    • Subject Terms:
      Gene Flow*; Ficus/*genetics ; Pollen/*genetics ; Seeds/*genetics ; Wasps/*physiology; Animals ; Microsatellite Repeats
    • Abstract:
      Montgomery Slatkin, in a classic article concerning the role of gene flow in determining population genetic structure in natural populations noted an inconsistency between observations made in the field of limited dispersal of weakly flying insect and population genetic analyses of genetic structure which revealed extensive gene flow among populations. This phenomenon was subsequently termed Slatkin's Paradox. In this issue, Yu et al. (2010) provide an example of Slatkin's Paradox in a study of seed and pollen gene flow in the dioecious understory fig Ficus hirta in southern Asia. Given multiple field observations that showed the low vagility of fig wasp pollinators of dioecious figs and the high movement capacity of its vertebrate seed dispersers, the authors expected to see higher levels of gene movement of seed versus pollen. They compared neutral genetic differentiation across 15 populations separated by >2500km at six nuclear microsatellite and two chloroplast loci and found that F. hirta shows an order of magnitude higher level of gene flow of pollen relative to seeds that challenges observations of limited dispersal of fig wasps that pollinate dioecious figs. They propose broadening the application of Slatkin's Paradox beyond insects to include situations where an incongruity exists between ecological measures of low dispersal and high levels of effective gene flow.
      (© 2010 Blackwell Publishing Ltd.)
    • Publication Date:
      Date Created: 20101103 Date Completed: 20110120 Latest Revision: 20101102
    • Publication Date:
      20231215
    • Accession Number:
      10.1111/j.1365-294X.2010.04778.x
    • Accession Number:
      21040034