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Colombian Creole horse breeds: Same origin but different diversity.

Jimenez LM, Mendez S, Dunner S, Cañón J, Cortés O - Genet. Mol. Biol. (2012)

Bottom Line: 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.

View Article: PubMed Central - PubMed

Affiliation: Department of Animal Production Science, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional de Colombia, Bogotá, Colombia.

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.

No MeSH data available.


Network representation of the 51 haplotypes identified in Colombian and Spanish horse breeds. The size of the circles is proportional to their frequencies. Oval shapes indicate the haplogroup classification based on Jansen et al. (2002). AST – Asturcon, CGA – Caballo Gallego, CVC – Colombian Creole cattle horse from Casanare, CVM – Colombian Creole cattle horse from Meta, JNA – Jaca Navarra, LOS – Losino, PFC – Colombian Paso Fino and PRE – Pura Raza Española.
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f2-gmb-35-790: Network representation of the 51 haplotypes identified in Colombian and Spanish horse breeds. The size of the circles is proportional to their frequencies. Oval shapes indicate the haplogroup classification based on Jansen et al. (2002). AST – Asturcon, CGA – Caballo Gallego, CVC – Colombian Creole cattle horse from Casanare, CVM – Colombian Creole cattle horse from Meta, JNA – Jaca Navarra, LOS – Losino, PFC – Colombian Paso Fino and PRE – Pura Raza Española.

Mentions: Figure 2 shows the network analysis for the 51 haplotypes. The skeleton network revealed four main clusters that corresponded to the four haplogroups (A, C, D, and F) described by the classification system of Jansen et al. (2002). The haplotypes belonging to haplogroup D showed a star-like skeleton in which the center of the star corresponded to the haplotype with the highest frequency (2) surrounded by a number of peripheral haplotypes of lower frequency. The 13 new haplotypes were distributed among the four haplogroups. Most of the different horse breeds were represented in all four haplogroups, the exceptions being Pura Raza Española, which was absent in haplogroup C, and Losino and Jaca Navarra, which were absent in haplogroup F.


Colombian Creole horse breeds: Same origin but different diversity.

Jimenez LM, Mendez S, Dunner S, Cañón J, Cortés O - Genet. Mol. Biol. (2012)

Network representation of the 51 haplotypes identified in Colombian and Spanish horse breeds. The size of the circles is proportional to their frequencies. Oval shapes indicate the haplogroup classification based on Jansen et al. (2002). AST – Asturcon, CGA – Caballo Gallego, CVC – Colombian Creole cattle horse from Casanare, CVM – Colombian Creole cattle horse from Meta, JNA – Jaca Navarra, LOS – Losino, PFC – Colombian Paso Fino and PRE – Pura Raza Española.
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC3526087&req=5

f2-gmb-35-790: Network representation of the 51 haplotypes identified in Colombian and Spanish horse breeds. The size of the circles is proportional to their frequencies. Oval shapes indicate the haplogroup classification based on Jansen et al. (2002). AST – Asturcon, CGA – Caballo Gallego, CVC – Colombian Creole cattle horse from Casanare, CVM – Colombian Creole cattle horse from Meta, JNA – Jaca Navarra, LOS – Losino, PFC – Colombian Paso Fino and PRE – Pura Raza Española.
Mentions: Figure 2 shows the network analysis for the 51 haplotypes. The skeleton network revealed four main clusters that corresponded to the four haplogroups (A, C, D, and F) described by the classification system of Jansen et al. (2002). The haplotypes belonging to haplogroup D showed a star-like skeleton in which the center of the star corresponded to the haplotype with the highest frequency (2) surrounded by a number of peripheral haplotypes of lower frequency. The 13 new haplotypes were distributed among the four haplogroups. Most of the different horse breeds were represented in all four haplogroups, the exceptions being Pura Raza Española, which was absent in haplogroup C, and Losino and Jaca Navarra, which were absent in haplogroup F.

Bottom Line: 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.

View Article: PubMed Central - PubMed

Affiliation: Department of Animal Production Science, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional de Colombia, Bogotá, Colombia.

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.

No MeSH data available.