Genotyping by sequencing-based genetic insights into Argentine llama populations and breeding impacts
Llama breeding is an important source of economic income for Andean communities, thus ensuring llama biodiversity is fundamental to making breeding decisions that promote sustainable production. Despite this, there is limited information on the genetic diversity of llama populations in Argentina. Mo...
| Autores principales: | , , , , , , , , |
|---|---|
| Formato: | info:ar-repo/semantics/artículo |
| Lenguaje: | Español |
| Publicado: |
Wiley
2025
|
| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/24177 https://onlinelibrary.wiley.com/doi/10.1111/age.70053 https://doi.org/10.1111/age.70053 |
| _version_ | 1855038892346966016 |
|---|---|
| author | Anello, Melina Muzzio, Marina Silbestro, Miriam B. Daverio, María Silvana Unzaga, Romina Ines Romero, Sandra Raquel Rigalt, Francisco Antonio Vidal Rioja, Lidia Di Rocco, Florencia |
| author_browse | Anello, Melina Daverio, María Silvana Di Rocco, Florencia Muzzio, Marina Rigalt, Francisco Antonio Romero, Sandra Raquel Silbestro, Miriam B. Unzaga, Romina Ines Vidal Rioja, Lidia |
| author_facet | Anello, Melina Muzzio, Marina Silbestro, Miriam B. Daverio, María Silvana Unzaga, Romina Ines Romero, Sandra Raquel Rigalt, Francisco Antonio Vidal Rioja, Lidia Di Rocco, Florencia |
| author_sort | Anello, Melina |
| collection | INTA Digital |
| description | Llama breeding is an important source of economic income for Andean communities, thus ensuring llama biodiversity is fundamental to making breeding decisions that promote sustainable production. Despite this, there is limited information on the genetic diversity of llama populations in Argentina. Moreover, some llama herds in the northwest region of the country exhibit low reproductive efficiency and a high incidence of congenital abnormalities. In this study, we used genotyping by sequencing, a genome-wide approach, to estimate the genetic diversity of Argentine llama populations, assess their conservation status and inbreeding levels, and discuss the impacts on breeding. Overall, our results indicate that current llama populations in the northwest present moderate to high genetic diversity, although a recent reduction in population size was detected for two of them. Population structure was subtle, although three clusters, with some substructure, were recognized. The inbreeding coefficient values were similar for all populations showing moderate to high inbreeding levels. There was a predominance of short homozygous segments, which is indicative of ancient consanguinity. However, recent autozygosity events were evidenced in some llamas with congenital disorders. Thus, we investigated the chromosomal region to find potential candidate genes for such traits. The genes MYO15A and USH1G are proposed as candidates for pigmentation-associated deafness, although further research is needed. This study establishes an initial step towards understanding the genetic diversity of Argentine llamas, highlighting the necessity of reducing current inbreeding levels and implementing continuous monitoring to improve breeding decisions and support a sustainable production system for the species. |
| format | info:ar-repo/semantics/artículo |
| id | INTA24177 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Español |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Wiley |
| publisherStr | Wiley |
| record_format | dspace |
| spelling | INTA241772025-10-15T14:20:07Z Genotyping by sequencing-based genetic insights into Argentine llama populations and breeding impacts Anello, Melina Muzzio, Marina Silbestro, Miriam B. Daverio, María Silvana Unzaga, Romina Ines Romero, Sandra Raquel Rigalt, Francisco Antonio Vidal Rioja, Lidia Di Rocco, Florencia Genotyping Genotyping-by-Sequencing Breeding Congenital Abnormalities Llamas Genotipado Genotipado Mediante Secuenciación Mejora Anomalía Congénita Llama Genome-wide Analysis South American camelids Sustainable Breeding Análisis de Todo el Genoma Camélido Sudamericano Cría Sostenible Llama breeding is an important source of economic income for Andean communities, thus ensuring llama biodiversity is fundamental to making breeding decisions that promote sustainable production. Despite this, there is limited information on the genetic diversity of llama populations in Argentina. Moreover, some llama herds in the northwest region of the country exhibit low reproductive efficiency and a high incidence of congenital abnormalities. In this study, we used genotyping by sequencing, a genome-wide approach, to estimate the genetic diversity of Argentine llama populations, assess their conservation status and inbreeding levels, and discuss the impacts on breeding. Overall, our results indicate that current llama populations in the northwest present moderate to high genetic diversity, although a recent reduction in population size was detected for two of them. Population structure was subtle, although three clusters, with some substructure, were recognized. The inbreeding coefficient values were similar for all populations showing moderate to high inbreeding levels. There was a predominance of short homozygous segments, which is indicative of ancient consanguinity. However, recent autozygosity events were evidenced in some llamas with congenital disorders. Thus, we investigated the chromosomal region to find potential candidate genes for such traits. The genes MYO15A and USH1G are proposed as candidates for pigmentation-associated deafness, although further research is needed. This study establishes an initial step towards understanding the genetic diversity of Argentine llamas, highlighting the necessity of reducing current inbreeding levels and implementing continuous monitoring to improve breeding decisions and support a sustainable production system for the species. EEA Catamarca Fil: Anello, Melina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Anello, Melina. Universidad Nacional de la Plata (UNLP). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Anello, Melina. Comisión de Investigaciones Científicas (CIC). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Anello, Melina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA). Grupo de Investigaciones en Ecología y Fisiología de Fauna Silvestre (GIEFAS); Argentina Fil: Anello, Melina. Universidad Nacional del Comahue (UNCo). Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA). Grupo de Investigaciones en Ecología y Fisiología de Fauna Silvestre (GIEFAS); Argentina Fil: Muzzio, Marina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Muzzio, Marina. Universidad Nacional de la Plata (UNLP). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Muzzio, Marina. Comisión de Investigaciones Científicas (CIC). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Muzzio, Marina. Universidad Nacional de La Plata (UNLP). Facultad de Ciencias Naturales y Museo; Argentina Fil: Silbestro, Miriam B. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Silbestro, Miriam B. Universidad Nacional de la Plata (UNLP). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Silbestro, Miriam B. Comisión de Investigaciones Científicas (CIC). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Daverio, María Silvana. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Daverio, María Silvana. Universidad Nacional de la Plata (UNLP). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Daverio, María Silvana. Comisión de Investigaciones Científicas (CIC). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Daverio, Maria Silvana. Universidad Nacional de La Plata (UNLP). Facultad de Ciencias Exactas. Departamento de Ciencias Biológicas; Argentina Fil: Unzaga, Romina Ines. Poder Judicial de Catamarca. Laboratorio Satélite Forense; Argentina Fil: Romero, Sandra Raquel. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Investigación y Desarrollo Tecnológico para la Agricultura Familiar Región NOA; Argentina Fil: Rigalt, Francisco Antonio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Catamarca; Argentina Fil: Vidal Rioja, Lidia. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Vidal Rioja, Lidia. Universidad Nacional de la Plata (UNLP). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Vidal Rioja, Lidia. Comisión de Investigaciones Científicas (CIC). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Di Rocco, Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Di Rocco, Florencia. Universidad Nacional de la Plata (UNLP). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina Fil: Di Rocco, Florencia. Comisión de Investigaciones Científicas (CIC). Instituto Multidisciplinario de Biología Celular (IMBICE). Laboratorio de Genética Molecular; Argentina 2025-10-15T14:10:26Z 2025-10-15T14:10:26Z 2025-09 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/24177 https://onlinelibrary.wiley.com/doi/10.1111/age.70053 1365-2052 0268-9146 https://doi.org/10.1111/age.70053 spa info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Wiley Animal Genetics : 56 (5) : e70053 |
| spellingShingle | Genotyping Genotyping-by-Sequencing Breeding Congenital Abnormalities Llamas Genotipado Genotipado Mediante Secuenciación Mejora Anomalía Congénita Llama Genome-wide Analysis South American camelids Sustainable Breeding Análisis de Todo el Genoma Camélido Sudamericano Cría Sostenible Anello, Melina Muzzio, Marina Silbestro, Miriam B. Daverio, María Silvana Unzaga, Romina Ines Romero, Sandra Raquel Rigalt, Francisco Antonio Vidal Rioja, Lidia Di Rocco, Florencia Genotyping by sequencing-based genetic insights into Argentine llama populations and breeding impacts |
| title | Genotyping by sequencing-based genetic insights into Argentine llama populations and breeding impacts |
| title_full | Genotyping by sequencing-based genetic insights into Argentine llama populations and breeding impacts |
| title_fullStr | Genotyping by sequencing-based genetic insights into Argentine llama populations and breeding impacts |
| title_full_unstemmed | Genotyping by sequencing-based genetic insights into Argentine llama populations and breeding impacts |
| title_short | Genotyping by sequencing-based genetic insights into Argentine llama populations and breeding impacts |
| title_sort | genotyping by sequencing based genetic insights into argentine llama populations and breeding impacts |
| topic | Genotyping Genotyping-by-Sequencing Breeding Congenital Abnormalities Llamas Genotipado Genotipado Mediante Secuenciación Mejora Anomalía Congénita Llama Genome-wide Analysis South American camelids Sustainable Breeding Análisis de Todo el Genoma Camélido Sudamericano Cría Sostenible |
| url | http://hdl.handle.net/20.500.12123/24177 https://onlinelibrary.wiley.com/doi/10.1111/age.70053 https://doi.org/10.1111/age.70053 |
| work_keys_str_mv | AT anellomelina genotypingbysequencingbasedgeneticinsightsintoargentinellamapopulationsandbreedingimpacts AT muzziomarina genotypingbysequencingbasedgeneticinsightsintoargentinellamapopulationsandbreedingimpacts AT silbestromiriamb genotypingbysequencingbasedgeneticinsightsintoargentinellamapopulationsandbreedingimpacts AT daveriomariasilvana genotypingbysequencingbasedgeneticinsightsintoargentinellamapopulationsandbreedingimpacts AT unzagarominaines genotypingbysequencingbasedgeneticinsightsintoargentinellamapopulationsandbreedingimpacts AT romerosandraraquel genotypingbysequencingbasedgeneticinsightsintoargentinellamapopulationsandbreedingimpacts AT rigaltfranciscoantonio genotypingbysequencingbasedgeneticinsightsintoargentinellamapopulationsandbreedingimpacts AT vidalriojalidia genotypingbysequencingbasedgeneticinsightsintoargentinellamapopulationsandbreedingimpacts AT diroccoflorencia genotypingbysequencingbasedgeneticinsightsintoargentinellamapopulationsandbreedingimpacts |