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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Conflict between genetic and phenotypic differentiation: The evolutionary history of a 'lost and rediscovered' shorebird
PLoS ONE, Volume 6, No. 11, Article e26995, Year 2011
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Description
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. © 2011 Rheindt et al.
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC3212520/bin/pone.0026995.s001.doc
Authors & Co-Authors
Rheindt, Frank E.
United States, Cambridge
Harvard University
Székely, Tamás
United Kingdom, Bath
University of Bath
Edwards, Scott V.
United States, Cambridge
Harvard University
Lee, Patricia L.M.
United Kingdom, Swansea
Swansea University
Burke, Terry A.
United Kingdom, Sheffield
The University of Sheffield
Kennerley, Peter R.
United Kingdom, Trentham
Melton
Bakewell, David N.
United Kingdom, Eye
Whimbrel Cottage
AlRashidi, Monif
United States, Cambridge
Harvard University
Saudi Arabia, Hail
University of Ha'il
Kosztolányi, András
Hungary, Budapest
Eötvös Loránd Tudományegyetem
Weston, Michael A.
Australia, Geelong
Deakin University
Liu, Wei Ting
Taiwan, Taichung
Tunghai University
Lei, Wei Pan
China, Beijing
Beijing Normal University
Shigeta, Yoshimitsu
Japan, Abiko
Yamashina Institute for Ornithology
Javed, S.
United Arab Emirates, Abu Dhabi
Biodiversity Management Sector Marine
Zefania, Sama
Madagascar, Antananarivo
Université D'antananarivo
Küpper, Clemens
United States, Cambridge
Harvard University
Statistics
Citations: 105
Authors: 16
Affiliations: 14
Identifiers
Doi:
10.1371/journal.pone.0026995
e-ISSN:
19326203
Research Areas
Cancer
Genetics And Genomics
Study Design
Cross Sectional Study