Sistemática, taxonomía y domesticación de alpacas y llamas: nueva evidencia cromosómica y molecular
2007; BioMed Central; Volume: 80; Issue: 2 Linguagem: Inglês
10.4067/s0716-078x2007000200001
ISSN0717-6317
AutoresJuan Carlos Marín, Beatriz Zapata, Benito A. González, Cristián Bonacic, Jane C. Wheeler, Ciara S. Casey, Michael W. Bruford, R. Eduardo Palma, Élie Poulin, María Angélica Alliende, Ángel E. Spotorno,
Tópico(s)Botanical Research and Chemistry
ResumoFour camelid species exist in South America: two wild, the guanaco (Lama guanicoe) and the vicuña (Vicugna vicugna), and two domestic, the alpaca (Lama pacos) and the llama (Lama glama).However, the origin of the domestic species has been a matter of debate.In the present study, variations in chromosome G banding patterns and in two mitochondrial gene sequences have been used to study the origin and classification of the llama and alpaca.Similar patterns in chromosome G band structure were observed in all four Lamini species, and these in turn were similar to the bands described for camels, Camelus bactrianus.However, fine and consistent differences were found in the short arms of chromosome 1, separating camels, guanacos and llamas from vicuñas and alpacas.This pattern was consistent even in a hybrid guanaco x alpaca.Equivalent relationship
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