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Colombian Creole horse breeds: Same origin but different diversity.


ABSTRACT: In order to understand the genetic ancestry and mitochondrial DNA (mtDNA) diversity of current Colombian horse breeds we sequenced a 364-bp fragment of the mitocondrial DNA D-loop in 116 animals belonging to five Spanish horse breeds and the Colombian Paso Fino and Colombian Creole cattle horse breeds. Among Colombian horse breeds, haplogroup D had the highest frequency (53%), followed by haplogroups A (19%), C (8%) and F (6%). The higher frequency of haplogroup D in Colombian horse breeds supports the theory of an ancestral Iberian origin for these breeds. These results also indicate that different selective pressures among the Colombian breeds could explain the relatively higher genetic diversity found in the Colombian Creole cattle horse when compared with the Colombian Paso Fino.

SUBMITTER: Jimenez LM 

PROVIDER: S-EPMC3526087 | biostudies-literature | 2012 Dec

REPOSITORIES: biostudies-literature

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Colombian Creole horse breeds: Same origin but different diversity.

Jimenez Ligia Mercedes LM   Mendez Susy S   Dunner Susana S   Cañón Javier J   Cortés Oscar O  

Genetics and molecular biology 20121009 4


In order to understand the genetic ancestry and mitochondrial DNA (mtDNA) diversity of current Colombian horse breeds we sequenced a 364-bp fragment of the mitocondrial DNA D-loop in 116 animals belonging to five Spanish horse breeds and the Colombian Paso Fino and Colombian Creole cattle horse breeds. Among Colombian horse breeds, haplogroup D had the highest frequency (53%), followed by haplogroups A (19%), C (8%) and F (6%). The higher frequency of haplogroup D in Colombian horse breeds suppo  ...[more]

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