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Título: | Assessment of the genetic diversity and population structure of the peruvian andean legume, tarwi (Lupinus mutabilis), with high quality SNPs | Autores: | Huaringa Joaquin, Amelia Wite Saldaña Serrano, Carla Lizet Saravia Navarro, David García Bendezú, Sady Rodriguez Grados, Pedro Manuel Salazar Coronel, Wilian Camarena Mayta, Felix Injante Silva, Pedro Hugo Arbizu Berrocal, Carlos Irvin |
Palabras clave: | Fabaceae;Bioinformatics;Molecular markers;Neglected crop;Genomics | Fecha de emisión: | 16-mar-2023 | Editor: | MDPI | Fuente: | Huaringa-Joaquin, A., Saldaña, C. L., Saravia, D., García-Bendezú, S., Rodriguez-Grados, P., Salazar, W., Camarena, F., Injante, P., & Arbizu, C. I. (2023). Assessment of the genetic diversity and population structure of the peruvian andean legume, tarwi (Lupinus mutabilis), with high quality SNPs. Diversity, 15(3), 437. doi: 10.3390/d15030437 | Revista: | urn:issn:1424-2818 | Serie / Informe no.: | Diversity | Resumen: | Lupinus mutabilis Sweet (Fabaceae), “tarwi” or “chocho”, is an important grain legume in the Andean region. In Peru, studies on tarwi have mainly focused on morphological features; however, they have not been molecularly characterized. Currently, it is possible to explore the genetic parameters of plants with reliable and modern methods such as genotyping by sequencing (GBS). Here, for the first time, we used single nucleotide polymorphism (SNP) markers to infer the genetic diversity and population structure of 89 accessions of tarwi from nine Andean regions of Peru. A total of 5922 SNPs distributed along all chromosomes of tarwi were identified. STRUCTURE analysis revealed that this crop is grouped into two clusters. A dendrogram was generated using the UPGMA clustering algorithm and, like the principal coordinate analysis (PCoA), it showed two groups that correspond to the geographic origin of the tarwi samples. AMOVA showed a reduced variation between clusters (7.59%) and indicated that variability within populations is 92.41%. Population divergence (Fst) between clusters 1 and 2 revealed low genetic difference (0.019). We also detected a negative Fis for both populations, demonstrating that, like other Lupinus species, tarwi also depends on cross-pollination. SNP markers were powerful and effective for the genotyping process in this germplasm. We hope that this information is the beginning of the path towards a modern genetic improvement and conservation strategies of this important Andean legume. |
URI: | https://hdl.handle.net/20.500.12955/2132 https://pgc-snia.inia.gob.pe:8443/jspui/handle/pubitem/2467 |
ISSN: | 1424-2818 | DOI: | https://doi.org/10.3390/d15030437 | Derechos: | info:eu-repo/semantics/openAccess |
Aparece en Colecciones: | Artículos científicos |
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Huaringa_et-al_2023_tarwi_genetic_diversity.pdf | Artículo | 2,11 MB | Adobe PDF | Ver / Abrir |
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