Arid
DOI10.1046/j.1365-294X.2003.02039.x
Mitochondrial control region diversity of the houbara bustard Chlamydotis undulata complex and genetic structure along the Atlantic seaboard of North Africa
Idaghdour, Y; Broderick, D; Korrida, A; Chbel, F
通讯作者Idaghdour, Y
来源期刊MOLECULAR ECOLOGY
ISSN0962-1083
出版年2004
卷号13期号:1页码:43-54
英文摘要

The houbara bustard, Chlamydotis undulata, is a declining cryptic desert bird whose range extends from North Africa to Central Asia. Three subspecies are currently recognized by geographical distribution and morphology: C.u.fuertaventurae, C.u.undulata and C.u.macqueenii. We have sequenced 854 bp of mitochondrial control region from 73 birds to describe their population genetic structure with a particular sampling focus on the connectivity between C.u.fuertaventurae and C.u.undulata along the Atlantic seaboard of North Africa. Nucleotide and haplotypic diversity varied among the subspecies being highest in C.u.undulata, lowest in C.u.fuertaventurae and intermediate in C.u.macqueenii. C.u.fuertaventurae and C.u.undulata are paraphyletic and an average nucleotide divergence of 2.08% splits the later from C.u.macqueenii. We estimate that C.u.fuertaventurae and C.u.undulata split from C.u.macqueenii approximately 430 000 years ago. C.u.fuertaventurae and C.u.undulata are weakly differentiated (F-ST = 0.27, N-m = 1.3), indicative of a recent shared history. Archaeological evidence indicates that houbara bustards have been present on the Canary Islands for 130-170 000 years. However, our genetic data point to a more recent separation of C.u.fuertaventurae and C.u.undulata at around 20-25 000 years. Concordant archaeological, climatic opportunities for colonization and genetic data point to a scenario of: (i) initial colonization of the Canary Islands about 130 000 years ago; (ii) a period of secondary contact 19-30 000 years ago homogenizing any pre-existing genetic structure followed by; (iii) a period of relative isolation that persists today.


英文关键词Chlamydotis undulata gene flow houbara bustards mitochondrial control region population genetic structure
类型Article
语种英语
国家Morocco ; Australia
收录类别SCI-E
WOS记录号WOS:000187005700005
WOS关键词POPULATION-GROWTH ; DNA ; POLYMORPHISM ; MACQUEENII ; SEQUENCES ; ISLANDS ; CONSERVATION ; BOTTLENECK ; MIGRATION ; DISTANCES
WOS类目Biochemistry & Molecular Biology ; Ecology ; Evolutionary Biology
WOS研究方向Biochemistry & Molecular Biology ; Environmental Sciences & Ecology ; Evolutionary Biology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/147666
作者单位(1)Int Fdn Conservat & Dev Wildlife, Genet Lab, Inezgane 80350, Morocco;(2)Univ Queensland, Dept Zool & Entomol, Ctr Conservat Biol, St Lucia, Qld 4072, Australia
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Idaghdour, Y,Broderick, D,Korrida, A,et al. Mitochondrial control region diversity of the houbara bustard Chlamydotis undulata complex and genetic structure along the Atlantic seaboard of North Africa[J],2004,13(1):43-54.
APA Idaghdour, Y,Broderick, D,Korrida, A,&Chbel, F.(2004).Mitochondrial control region diversity of the houbara bustard Chlamydotis undulata complex and genetic structure along the Atlantic seaboard of North Africa.MOLECULAR ECOLOGY,13(1),43-54.
MLA Idaghdour, Y,et al."Mitochondrial control region diversity of the houbara bustard Chlamydotis undulata complex and genetic structure along the Atlantic seaboard of North Africa".MOLECULAR ECOLOGY 13.1(2004):43-54.
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