Browsing by Author "201-0248746"
Now showing items 1-18 of 18
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Spotorno Oyarzún, Ángel; Marín, Juan C.; Manríquez Soto, Germán Raúl; Valladares, J. P.; Rico, E.; Rivas, C. (BLACKWELL, 2006-09)To test whether there are differences between living lineages of domestic guinea pigs Cavia porcellus, we studied 118 specimens from six breeds collected along six Andean countries as well as 15 from the wild cavy species ...
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Valladares, P.; Zuleta, C.; Spotorno Oyarzún, Ángel (Museu de Ciencies Naturals-Zoologia, 2014)Millions of Chinchilla chinchilla and C. lanigera were killed during the early twentieth century and they were nearly hunted to extinction. In order to establish the current range of distribution of these two wild species ...
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Spotorno Oyarzún, Ángel; Córdova, Luis; Solari Illescas, Aldo (PERGAMON-ELSEVIER SCIENCE LTD, 2008-07-01)To identify and characterize chilean samples of Trypanosoma cruzi and their association with hosts, the first 516 bp of the mitochondrial cytochrome b gene were sequenced from eight biological samples, and phylogenetically ...
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Spotorno Oyarzún, Ángel; Manríquez Soto, Germán Raúl; Fernández L., Andrea; Marín, Juan Carlos; González Bergas, Fermín; Wheeler, Jane (California Scholarship Online, 2007)To investigate the origins and domestication of guinea pigs, or cuyes (Cavia porcellus), we re-analyzed 12S rRNA (759 bp) and cytochrome b gene (1140 bp) sequence data from relevant species and breeds. Seventeen pre-Columbian ...
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Spotorno Oyarzún, Ángel (2017)La historia evolutiva de Homo sapiens ha sido modelada por múltiples factores sucesivos, los que son aquí revisados en el marco de teorías biológicas clásicas y modernas. Incluye adaptaciones reproductivas, metabólicas, ...
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Spotorno Oyarzún, Ángel; Walker Bozzo, Laura; Flores Carrasco, Sergio; Yévenes, Marco; Marín, Juan Carlos; Zuleta, Carlos (2001)La tribu Phyllotini es un grupo avanzado de 46 especies endémicas entre los Muridae de América del Sur que, estando adaptado a sus ambientes xéricos, parece haber tenido el Altiplano Sur como área de diferenciación original ...
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Walker Bozzo, Laura; Rojas, Mariana; Flores Carrasco, Sergio; Spotorno Oyarzún, Ángel; Manríquez Soto, Germán Raúl (1999)In order to investigate the genomic compatibility between allopatric rodent species, Phyllotis durivini and Pliyllotis mugister, we have studied several cytogenetic and reproductive features of their laboratory hybrids. ...
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Spotorno Oyarzún, Ángel (SOC MEDICA SANTIAGO, 2005-02)Evolutionary Medicine is an emergent basic science that offers new and varied perspectives to the comprehension of human health. The application of classic evolutionary theories (descent with modification., and natural ...
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Marín, Juan C.; Casey, C. S.; Kadwell, M.; Yaya, K.; Hoces, D.; Olazabal, J.; Rosadio, R.; Rodríguez, J.; Spotorno Oyarzún, Ángel; Bruford, Michael W.; Wheeler, Jane C. (2007)The vicuna (Vicugna vicugna; Miller, 1924) is a conservation success story, having recovered from near extinction in the 1960s to current population levels estimated at 275 000. However, lack of information about its ...
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Spotorno Oyarzún, Ángel; Valladares, John P.; Marín, Juan C.; Zeballos, Horacio (SOCIEDAD BIOLGIA CHILE, 2004-06)To investigate the origin and diversity of domestic guinea-pigs Cavia porcellus (Linnaeus, 1758; Rodentia, Caviidae), we sequenced the mitochondrial cytochrome b gene of 12 domestic and 10 wild specimens from six species, ...
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Phylogeography of Oligoryzomys longicaudatus (Rodentia : Sigmodontinae) in temperate South America Palma, R. Eduardo; Rivera Milla, Eric; Salazar Bravo, Jorge; Torres Pérez, Fernando; Pardiñas, Ulyses F. J.; Marquet, Pablo A.; Spotorno Oyarzún, Ángel; Meynard, Andrés P.; Yates, Terry L. (ALLIANCE COMMUNICATIONS GROUP DIVISION ALLEN PRESS, 2005-02)Phylogeographic relationships were evaluated at the intraspecific level using nucleotide sequence data from the mitochondrial cytochrome b gene of representative specimens of ‘‘colilargo’’ (Oligoryzomys longicaudatus) ...
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Phylogeography of Oligoryzomys longicaudatus (Rodentia : Sigmodontinae) in temperate South America Palma, R. Eduardo; Rivera Milla, Eric; Salazar Bravo, Jorge; Torres Pérez, Fernando; Pardiñas, Ulyses F. J.; Marquet, Pablo A.; Spotorno Oyarzún, Ángel; Meynard, Andrés P.; Yates, Terry L. (ALLIANCE COMMUNICATIONS GROUP DIVISION ALLEN PRESS, 2005-02)Phylogeographic relationships were evaluated at the intraspecific level using nucleotide sequence data from the mitochondrial cytochrome b gene of representative specimens of "colilargo" (Oligoryzomys longicaudatus) from ...
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Walker Bozzo, Laura; Soto, Miguel A.; Spotorno Oyarzún, Ángel (Pensoft Publ, 2014)Cavia tschudii Fitzinger, 1867 is a wild guinea pig species living in South America that according to the analysis of mitochondrial genes is the closest wild form of the domestic guinea pig. To investigate the genetic ...
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Systematics, taxonomy and domestication of alpaca and llama: new chromosomal and molecular evidence Marín, Juan C.; Zapata, Beatriz; González, Benito; Bonacic, Cristian; Wheeler, Jane C.; Casey, Ciara; Bruford, Michael W.; Palma, R. Eduardo; Poulin, Elie; Alliende Rodríguez, María Angélica; Spotorno Oyarzún, Ángel (2007)Four camelid species exist in South America: two wild, the guanaco (Lama guanicoe) and the vicuna (Victigna vicugna), and two domestic, the alpaca (Lama pacos) and the llama (Lama glama). However, the origin of the domestic ...
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Systematics, taxonomy and domestication of alpaca and llama: new chromosomal and molecular evidence Marín, Juan C.; Zapata, Beatriz; González, Benito; Bonacic, Cristian; Wheeler, Jane C.; Casey, Ciara; Bruford, Michael W.; Palma, R. Eduardo; Poulin, Elie; Alliende Rodríguez, María Angélica; Spotorno Oyarzún, Ángel (2007)Four camelid species exist in South America: two wild, the guanaco (Lama guanicoe) and the vicuna (Victigna vicugna), and two domestic, the alpaca (Lama pacos) and the llama (Lama glama). However, the origin of the domestic ...
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Systematics, taxonomy and domestication of alpaca and llama: new chromosomal and molecular evidence Marín, Juan C.; Zapata, Beatriz; González, Benito; Bonacic, Cristian; Wheeler, Jane C.; Casey, Ciara; Bruford, Michael W.; Palma, R. Eduardo; Poulin, Elie; Alliende Rodríguez, María Angélica; Spotorno Oyarzún, Ángel (2007)Four camelid species exist in South America: two wild, the guanaco (Lama guanicoe) and the vicuna (Victigna vicugna), and two domestic, the alpaca (Lama pacos) and the llama (Lama glama). However, the origin of the domestic ...
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Cofre, Hernan; Santibáñez, David; Jiménez, Juan; Spotorno Oyarzún, Ángel; Carmona, Francisca; Navarrete, Kasandra; Vergara, Claudia (Taylor & Francis, 2018)The results of studies of the nature of science (NOS) as a factor that enhances students' understanding of evolution have been inconclusive. Therefore, the main purpose of this study was to test the role of NOS instruction ...
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Cofré, Hernán L.; Santibáñez, David P.; Jiménez, Juan P.; Spotorno Oyarzún, Ángel; Carmona, Francisca; Navarrete, Kasandra; Vergara, Claudia A. (Taylor & Francis, 2017)The results of studies of the nature of science (NOS) as a factor that enhances students’ understanding of evolution have been inconclusive. Therefore, the main purpose of this study was to test the role of NOS instruction ...