A microsatellite study on the genetic distance between Suri and Huacaya phenotypes in Peruvian alpaca (Vicugna pacos)

Manna, Vincenzo; Terza, Antonietta La; Dharaneedharan, Subramanian; Ghezzi, Silvia; Saravanaperumal, Siva Arumugam; Apaza, N.; Huanca, Teodosio; Bozzi, Rıccardo; Renieri, Carlo

doi:10.3920/978-90-8686-727-1_20

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“…The sample included animals from eight different localities related to the most important alpaca breeding regions in Bolivia, and these animals were distributed across a variety of climatic, topographical and geographical zones in this country. All of the results described herein revealed high levels of genetic variability comparable to previous studies performed on different alpaca populations from Peru (Agapito et al, 2008;La Manna et al, 2011) and Australia .…”

Section: Genetic Variabilitysupporting

confidence: 90%

“…According to previous studies of the molecular characterization of South American camelids Marin et al, 2008), it is possible to infer a marked difference in levels of genetic diversity and population structure among species and among populations within each species due to the dynamics, history and management of each population. Specifically, variable levels of genetic diversity have been reported in populations of alpacas from Perú (Rodríguez et al, 2004;Agapito et al, 2008;La Manna et al, 2011) and Australia .…”

Section: Introductionmentioning

confidence: 99%

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Estudio de la variabilidad genética en camélidos bolivianos

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The objectives of this work were to assess the mtDNA diversity of Bolivian South American camelid (SAC) populations and to shed light on the evolutionary relationships between the Bolivian camelids and other populations of SACs. We have analysed two different mtDNA regions: the complete coding region of the MT-CYB gene and 513 bp of the D-loop region. The populations sampled included Bolivian llamas, alpacas and vicunas, and Chilean guanacos. High levels of genetic diversity were observed in the studied populations. In general, MT-CYB was more variable than D-loop. On a species level, the vicunas showed the lowest genetic variability, followed by the guanacos, alpacas and llamas. Phylogenetic analyses performed by including additional available mtDNA sequences from the studied species confirmed the existence of the two monophyletic clades previously described by other authors for guanacos (G) and vicunas (V). Significant levels of mtDNA hybridization were found in the domestic species. Our sequence analyses revealed significant sequence divergence within clade G, and some of the Bolivian llamas grouped with the majority of the southern guanacos. This finding supports the existence of more than the one llama domestication centre in South America previously suggested on the basis of archaeozoological evidence. Additionally, analysis of D-loop sequences revealed two new matrilineal lineages that are distinct from the previously reported G and V clades. The results presented here represent the first report on the population structure and genetic variability of Bolivian camelids and may help to elucidate the complex and dynamic domestication process of SAC populations.

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Section: Genetic Variabilitysupporting

confidence: 90%

Section: Introductionmentioning

confidence: 99%

Estudio de la variabilidad genética en camélidos bolivianos

Pinto¹

View full text Add to dashboard Cite

show abstract

A microsatellite study on the genetic distance between Suri and Huacaya phenotypes in Peruvian alpaca (Vicugna pacos)

Cited by 1 publication

References 15 publications

Estudio de la variabilidad genética en camélidos bolivianos

Estudio de la variabilidad genética en camélidos bolivianos

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