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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Phylogeography of the Afromontane Prunus africana reveals a former migration corridor between East and West African highlands
Molecular Ecology, Volume 20, No. 1, Year 2011
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Description
Scattered populations of the same tree species in montane forests through Africa have led to speculations on the origins of distributions. Here, we inferred the colonization history of the Afromontane tree Prunus africana using seven chloroplast DNA loci to study 582 individuals from 32 populations sampled in a range-wide survey from across Africa, revealing 22 haplotypes. The predominant haplotype, HT1a, occurred in 13 populations of eastern and southern Africa, while a second common haplotype, HT1m, occurred in populations of western Uganda and western Africa. The high differentiation observed between populations in East Africa was unexpected, with stands in western Uganda belonging with the western African lineage. High genetic differentiation among populations revealed using ordered alleles (NST = 0.840) compared with unordered alleles (GST = 0.735), indicated a clear phylogeographic pattern. Bayesian coalescence modelling suggested that 'east' and 'west' African types likely split early during southward migration of the species, while further more recent splitting events occurred among populations in the East of the continent. The high genetic similarity found between western Uganda and west African populations indicates that a former Afromontane migration corridor may have existed through Equatorial Africa. © 2010 Blackwell Publishing Ltd.
Authors & Co-Authors
Kadu, Caroline A.C.
Austria, Vienna
Bundesforschungszentrum Für Wald
Schueler, Silvio
Austria, Vienna
Bundesforschungszentrum Für Wald
Konrad, Heino
Austria, Vienna
Bundesforschungszentrum Für Wald
Muluvi, Geoffrey M.M.
Kenya, Nairobi
Kenyatta University
Eyog-Matig, Oscar
Italy, Rome
Bioversity International
Muchugi, Alice
Kenya, Nairobi
Kenyatta University
Williams, Vivienne Linda
South Africa, Johannesburg
University of the Witwatersrand
Ramamonjisoa, Lolona
Madagascar, Antananarivo
Silo National Des Graines Forestieres Sngf
Kapinga, Consolatha
Tanzania, Morogoro
Tanzania Forestry Research Institute
Foahom, Bernard
Cameroon, Yaounde
Ministry of Scientific Research and Innovation-cameroon
Katsvanga, Cuthbert A.T.
Zimbabwe, Bindura
Bindura University of Science Education
Hafashimana, David L.N.
Uganda, Kampala
National Forestry Resources Research Institute Naforri
Obama, Crisantos
Equatorial Guinea, Bata
Coordinador Nacional de la Comifac Ministerio de Agricultura y Bosques
Geburek, Thomas
Austria, Vienna
Bundesforschungszentrum Für Wald
Statistics
Citations: 57
Authors: 14
Affiliations: 10
Identifiers
Doi:
10.1111/j.1365-294X.2010.04931.x
ISSN:
09621083
e-ISSN:
1365294X
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study
Study Approach
Quantitative
Study Locations
Multi-countries
Uganda