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Conflict between genetic and phenotypic differentiation : the evolutionary history of a ‘lost and rediscovered’ shorebird

Rheindt, Frank E., Szekely, Tamas, Edwards, Scott V., Lee, Patricia L. M., Burke, Terry, Kennerley, Peter R., Bakewell, David N., Alrashidi, Monif, Kosztolányi, András, Weston, Michael A., Liu, Wei-Ting, Lei, Wei-Pan, Shigeta, Yoshimitsu, Javed, Sálim, Zefania, Sama and Küpper, Clemens 2011, Conflict between genetic and phenotypic differentiation : the evolutionary history of a ‘lost and rediscovered’ shorebird, PLoS ONE, vol. 6, no. 11, pp. 1-9.

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Title Conflict between genetic and phenotypic differentiation : the evolutionary history of a ‘lost and rediscovered’ shorebird
Author(s) Rheindt, Frank E.
Szekely, Tamas
Edwards, Scott V.
Lee, Patricia L. M.
Burke, Terry
Kennerley, Peter R.
Bakewell, David N.
Alrashidi, Monif
Kosztolányi, András
Weston, Michael A.
Liu, Wei-Ting
Lei, Wei-Pan
Shigeta, Yoshimitsu
Javed, Sálim
Zefania, Sama
Küpper, Clemens
Journal name PLoS ONE
Volume number 6
Issue number 11
Start page 1
End page 9
Publisher Public Library of Science
Place of publication San Francisco, Ca.
Publication date 2011-11
ISSN 1932-6203
Summary Understanding and resolving conflicts between phenotypic and genetic differentiation is central to evolutionary research. While phenotypically monomorphic species may exhibit deep genetic divergences, some morphologically distinct taxa lack notable genetic differentiation. Here we conduct a molecular investigation of an enigmatic shorebird with a convoluted taxonomic history, the White-faced Plover (Charadrius alexandrinus dealbatus), widely regarded as a subspecies of the Kentish Plover (C. alexandrinus). Described as distinct in 1863, its name was consistently misapplied in subsequent decades until taxonomic clarification ensued in 2008. Using a recently proposed test of species delimitation, we reconfirm the phenotypic distinctness of dealbatus. We then compare three mitochondrial and seven nuclear DNA markers among 278 samples of dealbatus and alexandrinus from across their breeding range and four other closely related plovers. We fail to find any population genetic differentiation between dealbatus and alexandrinus, whereas the other species are deeply diverged at the study loci. Kentish Plovers join a small but growing list of species for which low levels of genetic differentiation are accompanied by the presence of strong phenotypic divergence, suggesting that diagnostic phenotypic characters may be encoded by few genes that are difficult to detect. Alternatively, gene expression differences may be crucial in producing different phenotypes whereas neutral differentiation may be lagging behind.
Notes This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Language eng
Field of Research 060899 Zoology not elsewhere classified
Socio Economic Objective 960802 Coastal and Estuarine Flora, Fauna and Biodiversity
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, Rheindt et al.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30040558

Document type: Journal Article
Collections: School of Life and Environmental Sciences
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