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resumen

Resumen
Potato is the most important non-cereal crop worldwide, and, yet, genetic gains in potato have been traditionally delayed by the crop’s biology, mostly the genetic heterozygosity of autotetraploid cultivars and the intricacies of the reproductive system. Novel site-directed genetic modification techniques provide opportunities for designing climate-smart cultivars, but they also pose new possibilities (and challenges) for breeding potato. As potato [ver mas...]
dc.contributor.authorHojsgaard, Diego
dc.contributor.authorFeingold, Sergio Enrique
dc.contributor.authorMassa, Gabriela Alejandra
dc.contributor.authorBradshaw, John
dc.date.accessioned2024-05-31T10:30:01Z
dc.date.available2024-05-31T10:30:01Z
dc.date.issued2024-05
dc.identifier.issn2218-273X
dc.identifier.otherhttps://doi.org/10.3390/biom14060614
dc.identifier.urihttp://hdl.handle.net/20.500.12123/17977
dc.identifier.urihttps://www.mdpi.com/2218-273X/14/6/614
dc.description.abstractPotato is the most important non-cereal crop worldwide, and, yet, genetic gains in potato have been traditionally delayed by the crop’s biology, mostly the genetic heterozygosity of autotetraploid cultivars and the intricacies of the reproductive system. Novel site-directed genetic modification techniques provide opportunities for designing climate-smart cultivars, but they also pose new possibilities (and challenges) for breeding potato. As potato species show a remarkable reproductive diversity, and their ovules have a propensity to develop apomixis-like phenotypes, tinkering with reproductive genes in potato is opening new frontiers in potato breeding. Developing diploid varieties instead of tetraploid ones has been proposed as an alternative way to fill the gap in genetic gain, that is being achieved by using gene-edited self-compatible genotypes and inbred lines to exploit hybrid seed technology. In a similar way, modulating the formation of unreduced gametes and synthesizing apomixis in diploid or tetraploid potatoes may help to reinforce the transition to a diploid hybrid crop or enhance introgression schemes and fix highly heterozygous genotypes in tetraploid varieties. In any case, the induction of apomixis-like phenotypes will shorten the time and costs of developing new varieties by allowing the multi-generational propagation through true seeds. In this review, we summarize the current knowledge on potato reproductive phenotypes and underlying genes, discuss the advantages and disadvantages of using potato’s natural variability to modulate reproductive steps during seed formation, and consider strategies to synthesize apomixis. However, before we can fully modulate the reproductive phenotypes, we need to understand the genetic basis of such diversity. Finally, we visualize an active, central role for genebanks in this endeavor by phenotyping properly genotyped genebank accessions and new introductions to provide scientists and breeders with reliable data and resources for developing innovations to exploit market opportunities.eng
dc.formatapplication/pdfes_AR
dc.language.isoenges_AR
dc.publisherMultidisciplinary Digital Publishing Institute, MDPIes_AR
dc.rightsinfo:eu-repo/semantics/openAccesses_AR
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/es_AR
dc.sourceBiomolecules 14 (6) : 614 (May 2024)es_AR
dc.subjectApomixiseng
dc.subjectGametogénesises_AR
dc.subjectBanco de Germoplasmaes_AR
dc.subjectGermplasm Bankseng
dc.subjectEdición de Geneses_AR
dc.subjectGene Editingeng
dc.subjectMitosises_AR
dc.subjectPartenogénesises_AR
dc.subjectParthenogenesiseng
dc.titleNew Frontiers in Potato Breeding: Tinkering with Reproductive Genes and Apomixises_AR
dc.typeinfo:ar-repo/semantics/artículoes_AR
dc.typeinfo:eu-repo/semantics/articlees_AR
dc.typeinfo:eu-repo/semantics/publishedVersiones_AR
dc.rights.licenseCreative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)es_AR
dc.description.origenEEA Balcarcees_AR
dc.description.filFil: Hojsgaard, Diego. Leibniz Institute of Plant Genetics and Crop Plant Research; Alemaniaes_AR
dc.description.filFil: Nagel, Manuela. Leibniz Institute of Plant Genetics and Crop Plant Research; Alemaniaes_AR
dc.description.filFil: Feingold, Sergio Enrique. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentinaes_AR
dc.description.filFil: Massa, Gabriela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible; Argentinaes_AR
dc.description.filFil: Massa, Gabriela. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentinaes_AR
dc.description.filFil: Bradshaw, John. James Hutton Institute; Reino Unidoes_AR
dc.subtypecientifico


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