Analysis of mitochondrial DNA diversity in Burkina Faso populations confirms the maternal genetic homogeneity of the West African goat

To date, no comprehensive study has been performed on mitochondrial genetic diversity of the West African goat. Here, we analysed a 481-bp fragment of the HVI region of 111 goats representing four native West African populations, namely the three main Burkina Faso breeds, zoo-farm kept Dwarf goats a...

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Bibliographic Details
Published in:Animal genetics 2009-06, Vol.40 (3), p.344-347
Main Authors: Royo, L.J, Traoré, A, Tambourá, H.H, Álvarez, I, Kaboré, A, Fernández, I, Ouédraogo-Sanou, G, Toguyeni, A, Sawadogo, L, Goyache, F
Format: Article
Language:English
Subjects:
Animals
Base Sequence
Burkina Faso
Cluster Analysis
D-loop
diversity
DNA, Mitochondrial - chemistry
DNA, Mitochondrial - genetics
Dwarf goat
Genetic Variation
Goats - genetics
haplogroup
Haplotypes - genetics
Molecular Sequence Data
Phylogeny
Polymerase Chain Reaction - veterinary
Sahelian goat
Sequence Alignment
West Africa
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Summary:To date, no comprehensive study has been performed on mitochondrial genetic diversity of the West African goat. Here, we analysed a 481-bp fragment of the HVI region of 111 goats representing four native West African populations, namely the three main Burkina Faso breeds, zoo-farm kept Dwarf goats and endangered Spanish goat breeds used as the outgroup. Analyses gave 83 different haplotypes with 102 variable sites. Most haplotypes (65) were unique. Only three haplotypes were shared between populations. Haplotypes were assigned to cluster A except for H45 (belonging to the Spanish Bermeya goat) which was assigned to cluster C. amova analysis showed that divergence between groups (ΦCT) was not statistically significant regardless of whether the partition in two hierarchical levels that was fitted included Spanish samples or not. The West African goat scenario shown here is consistent with that previously reported for the species: haplogroup A is predominant and has a very high haplotype diversity regardless of the geographic area or sampled breed. The large phenotypic differences observable between the West African Dwarf and Sahelian long-legged goat populations are not detectable with mitochondrial markers. Moreover, a previously suggested introgression of Sahelian goat southwards because of desertification could not be assessed using mtDNA information.
ISSN:0268-9146
1365-2052
DOI:10.1111/j.1365-2052.2008.01828.x