Mitochondrial sequence diversity of the southernmost extant New World monkey, Alouatta caraya.

Mitochondrial sequence diversity of the southernmost extant New World monkey, Alouatta caraya. Research Abstract Details 

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Mitochondrial sequence diversity of the southernmost extant New World monkey, Alouatta caraya. Abstract Text:

M S Ascunce,E Hasson,C J Mulligan,M D Mudry,

Variability in mitochondrial DNA sequences was analyzed in the howler monkey, Alouatta caraya, in order to delineate evolutionary relationships among populations in the most southerly distributed New World monkey. Based on new and previously published sequence data, fourteen cytochrome b haplotypes were observed among 33 howlers sampled in Argentina, Paraguay and Brazil, and grouped in two main haplogroups. In northeastern Argentina and southern Paraguay, new sequence data on 73 specimens sampled from six localities gave 34 control region haplotypes that also clustered in two main haplogroups. At this southern distribution, both mitochondrial markers revealed the presence of two sympatric and differentiated clades that we interpret to be the consequence of a secondary contact between previously allopatric populations. Given evidence for a demographic expansion at the beginning of the Holocene 15,500-7000 years ago (Fu's test, F(S)=-12.137; P<0.001), we suggest that atleast two populations of A. caraya have colonized the southernmost range since the Holocene employing forested corridors on the Paraná and Paraguay Rivers.

Mitochondrial sequence diversity of the southernmost extant New World monkey, Alouatta caraya. Publishing Authors By Initials

MS Ascunce,E Hasson,CJ Mulligan,MD Mudry,

For similar genetic phenomena: variation (genetics) research abstracts see: genetic phenomena: variation (genetics) research

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Mitochondrial sequence diversity of the southernmost extant New World monkey, Alouatta caraya. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Molecular phylogenetics and evolution

VOLUME: 43

Page Numbers: 202-15

Journal Abbreviation: Mol. Phylogenet. Evol.

ISSN: 1055-7903

DAY: 11

MONTH: 10

YEAR: 2006

Mitochondrial sequence diversity of the southernmost extant New World monkey, Alouatta caraya. Information

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LANGUAGE: eng

NlmUniqueID: 9304400

Mitochondrial sequence diversity of the southernmost extant New World monkey, Alouatta caraya. Keywords Mesh Terms:

KEYWORDS: Variation (Genetics)

MESH TERMS: genetics

Chemical & Substance for Abstract: Mitochondrial sequence diversity of the southernmost extant New World monkey, Alouatta caraya. Information

Substance Name: DNA, Mitochondrial

Registry Number: 0

Grant and Affiliation Information for Mitochondrial sequence diversity of the southernmost extant New World monkey, Alouatta caraya.

AFFILIATION: Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pab: 2, 4to.Piso, Buenos Aires, C1428EHA, Argentina. msascunce@yahoo.com

Country: United States

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MEDLINETA: Mol Phylogenet Evol

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