Somatic hybrids obtained by protoplast fusion between Solanum tuberosum L. subsp. tuberosum and the wild species Solanum circaeifolium Bitter

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Interspecific somatic hybrids were obtained by polyethylene glycol fusion of protoplasts from tetraploid Solanum tuberosum L. and the diploid wild species S. circaeifolium. Fusion-treated protoplasts were cultured in V-KM medium supplemented with bovine serum albumin. First cell divisions occurred w...

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Detalles Bibliográficos
Autores: Espejo, Rosa, Cipriani, Giselle, Rosel, Genoveva, Golmirzaie, Alí, Roca, William
Formato: artículo
Fecha de Publicación:2008
Institución:Universidad Nacional Mayor de San Marcos
Repositorio:Revistas - Universidad Nacional Mayor de San Marcos
Lenguaje:español
OAI Identifier:oai:ojs.csi.unmsm:article/1678
Enlace del recurso:https://revistasinvestigacion.unmsm.edu.pe/index.php/rpb/article/view/1678
Nivel de acceso:acceso abierto
Materia:Solanum
fusión de protoplastos
polietilenglicol
híbridos somáticos
RAPD
protoplast fusion
polyethylene glycol
somatic hybrid
RAPD analysis.
Descripción
Sumario:Interspecific somatic hybrids were obtained by polyethylene glycol fusion of protoplasts from tetraploid Solanum tuberosum L. and the diploid wild species S. circaeifolium. Fusion-treated protoplasts were cultured in V-KM medium supplemented with bovine serum albumin. First cell divisions occurred within 3—4 days. A rapid calli proliferation was observed after colonies developed. Nineteen somatic hybrid plants were obtained and confirmed by RAPD analysis. Chromosome observations indicated that all hybrids were aneuploids. The morphology of fusion-derived regenerants was intermediate between the donor parents. This study shows that somatic hybrid potato plants can be obtained by the fusion method presented.
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