Assessment of genetic diversity and population structure in a garlic (Allium sativum L.) germplasm collection varying in bulb content of pyruvate, phenolics, and solids
This study characterized genetic diversity in the Argentine garlic germplasm bank by analysis of 10 SSR loci in 73 garlic accessions. A total of 43 alleles and polymorphic information content (PIC) value of 0.38, along with various accessions that could not be differentiated with these SSR markers,...
| Autores principales: | , , , , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2019
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| Materias: | |
| Acceso en línea: | https://www.sciencedirect.com/science/article/pii/S0304423819307861 http://hdl.handle.net/20.500.12123/6243 https://doi.org/10.1016/j.scienta.2019.108900 |
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| author | Barboza Rojas, Karina Salinas Palmieri, Maria Cecilia Acuña, Cintia Vanesa Bannoud, Florencia Beretta, Hebe Vanesa Garcia Lampasona, Sandra Claudia Burba, Jose Luis Galmarini, Claudio Romulo Cavagnaro, Pablo |
| author_browse | Acuña, Cintia Vanesa Bannoud, Florencia Barboza Rojas, Karina Beretta, Hebe Vanesa Burba, Jose Luis Cavagnaro, Pablo Galmarini, Claudio Romulo Garcia Lampasona, Sandra Claudia Salinas Palmieri, Maria Cecilia |
| author_facet | Barboza Rojas, Karina Salinas Palmieri, Maria Cecilia Acuña, Cintia Vanesa Bannoud, Florencia Beretta, Hebe Vanesa Garcia Lampasona, Sandra Claudia Burba, Jose Luis Galmarini, Claudio Romulo Cavagnaro, Pablo |
| author_sort | Barboza Rojas, Karina |
| collection | INTA Digital |
| description | This study characterized genetic diversity in the Argentine garlic germplasm bank by analysis of 10 SSR loci in 73 garlic accessions. A total of 43 alleles and polymorphic information content (PIC) value of 0.38, along with various accessions that could not be differentiated with these SSR markers, suggest a relatively high level of genetic redundancy in this garlic collection. Nonetheless, cluster analysis using different methodologies (UPGMA, STRUCTURE, and PCoA) consistently and clearly separated these germplasm into four clusters. The garlic accessions were clustered in general agreement with their flowering behavior, botanical variety, ecophysiological group, and commercial bulb color-type. Two SSR markers strongly associated with the flowering phenotype (i.e., bolting vs. non-bolting) and ecophysiological group of the accessions were identified. In addition to the genetic analysis, the garlic accessions were characterized for their bulb content of solids, total organosulfur compounds (estimated by analysis of pyruvate levels) and total phenolic compounds, three groups of compounds associated with garlic’s flavor (pungency), nutraceutical value, and postharvest quality. Significant (p < 0.001) and broad variation was found among the accessions for all three phytochemicals, and garlic genotypes with high levels of these compounds were identified. These results suggest that it will be possible to select for mild and pungent garlics, as well as for garlics with high functional value and longer shelf-life. Significant variation was revealed for phytochemicals content among different classes of botanical variety, flowering behavior and ecophysiological group. |
| format | Artículo |
| id | INTA6243 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2019 |
| publishDateRange | 2019 |
| publishDateSort | 2019 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA62432019-10-30T15:12:21Z Assessment of genetic diversity and population structure in a garlic (Allium sativum L.) germplasm collection varying in bulb content of pyruvate, phenolics, and solids Barboza Rojas, Karina Salinas Palmieri, Maria Cecilia Acuña, Cintia Vanesa Bannoud, Florencia Beretta, Hebe Vanesa Garcia Lampasona, Sandra Claudia Burba, Jose Luis Galmarini, Claudio Romulo Cavagnaro, Pablo Ajo Diversidad Genética (como Recurso) Germoplasma Piruvatos Compuestos Fenólicos Allium Sativum Microsatélites Marcadores Genéticos Garlic Genetic Diversity (as Resource) Germplasm Pyruvates Phenolic Compounds Microsatellites Genetic Markers Marcadores Moleculares This study characterized genetic diversity in the Argentine garlic germplasm bank by analysis of 10 SSR loci in 73 garlic accessions. A total of 43 alleles and polymorphic information content (PIC) value of 0.38, along with various accessions that could not be differentiated with these SSR markers, suggest a relatively high level of genetic redundancy in this garlic collection. Nonetheless, cluster analysis using different methodologies (UPGMA, STRUCTURE, and PCoA) consistently and clearly separated these germplasm into four clusters. The garlic accessions were clustered in general agreement with their flowering behavior, botanical variety, ecophysiological group, and commercial bulb color-type. Two SSR markers strongly associated with the flowering phenotype (i.e., bolting vs. non-bolting) and ecophysiological group of the accessions were identified. In addition to the genetic analysis, the garlic accessions were characterized for their bulb content of solids, total organosulfur compounds (estimated by analysis of pyruvate levels) and total phenolic compounds, three groups of compounds associated with garlic’s flavor (pungency), nutraceutical value, and postharvest quality. Significant (p < 0.001) and broad variation was found among the accessions for all three phytochemicals, and garlic genotypes with high levels of these compounds were identified. These results suggest that it will be possible to select for mild and pungent garlics, as well as for garlics with high functional value and longer shelf-life. Significant variation was revealed for phytochemicals content among different classes of botanical variety, flowering behavior and ecophysiological group. EEA La Consulta Fil: Barboza Rojas, Karina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mendoza; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina Fil: Salinas Palmieri, Maria Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mendoza; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina Fil: Acuña, Cintia Vanesa. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina Fil: Bannoud, Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mendoza; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina Fil: Beretta, Hebe Vanesa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mendoza; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina Fil: Garcia Lampasona, Sandra Claudia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina. Universidad Nacional de Cuyo. Laboratorio de Biología Molecular. Consejo Nacional de Investigaciones Científicas y Técnicas. Laboratorio de Biología Molecular; Argentina Fil: Burba, José Luis. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina Fil: Galmarini, Claudio Romulo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mendoza; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias. Instituto de Horticultura; Argentina Fil: Cavagnaro, Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mendoza; Argentina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias. Instituto de Horticultura; Argentina 2019-10-30T15:10:30Z 2019-10-30T15:10:30Z 2019-10 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/acceptedVersion https://www.sciencedirect.com/science/article/pii/S0304423819307861 http://hdl.handle.net/20.500.12123/6243 0304-4238 https://doi.org/10.1016/j.scienta.2019.108900 eng info:eu-repo/semantics/restrictedAccess application/pdf Elsevier Scientia Horticulturae : 108900 (Available online October 2019) |
| spellingShingle | Ajo Diversidad Genética (como Recurso) Germoplasma Piruvatos Compuestos Fenólicos Allium Sativum Microsatélites Marcadores Genéticos Garlic Genetic Diversity (as Resource) Germplasm Pyruvates Phenolic Compounds Microsatellites Genetic Markers Marcadores Moleculares Barboza Rojas, Karina Salinas Palmieri, Maria Cecilia Acuña, Cintia Vanesa Bannoud, Florencia Beretta, Hebe Vanesa Garcia Lampasona, Sandra Claudia Burba, Jose Luis Galmarini, Claudio Romulo Cavagnaro, Pablo Assessment of genetic diversity and population structure in a garlic (Allium sativum L.) germplasm collection varying in bulb content of pyruvate, phenolics, and solids |
| title | Assessment of genetic diversity and population structure in a garlic (Allium sativum L.) germplasm collection varying in bulb content of pyruvate, phenolics, and solids |
| title_full | Assessment of genetic diversity and population structure in a garlic (Allium sativum L.) germplasm collection varying in bulb content of pyruvate, phenolics, and solids |
| title_fullStr | Assessment of genetic diversity and population structure in a garlic (Allium sativum L.) germplasm collection varying in bulb content of pyruvate, phenolics, and solids |
| title_full_unstemmed | Assessment of genetic diversity and population structure in a garlic (Allium sativum L.) germplasm collection varying in bulb content of pyruvate, phenolics, and solids |
| title_short | Assessment of genetic diversity and population structure in a garlic (Allium sativum L.) germplasm collection varying in bulb content of pyruvate, phenolics, and solids |
| title_sort | assessment of genetic diversity and population structure in a garlic allium sativum l germplasm collection varying in bulb content of pyruvate phenolics and solids |
| topic | Ajo Diversidad Genética (como Recurso) Germoplasma Piruvatos Compuestos Fenólicos Allium Sativum Microsatélites Marcadores Genéticos Garlic Genetic Diversity (as Resource) Germplasm Pyruvates Phenolic Compounds Microsatellites Genetic Markers Marcadores Moleculares |
| url | https://www.sciencedirect.com/science/article/pii/S0304423819307861 http://hdl.handle.net/20.500.12123/6243 https://doi.org/10.1016/j.scienta.2019.108900 |
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