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Harnessing apomictic reproduction in grasses : what we have learned from paspalum
dc.contributor.author | Ortíz, Juan Pablo Amelio | |
dc.contributor.author | Quarin, Camilo Luis | |
dc.contributor.author | Pessino, Silvina Claudia | |
dc.contributor.author | Acuña, Carlos Alberto | |
dc.contributor.author | Martínez, Eric Javier | |
dc.contributor.author | Espinoza, Francisco | |
dc.contributor.author | Hojsgaard, Diego Hernán | |
dc.contributor.author | Sartor, María Esperanza | |
dc.contributor.author | Cáceres, María Emilia | |
dc.contributor.author | Pupilli, Fulvio | |
dc.date.accessioned | 2022-04-21T12:52:29Z | |
dc.date.available | 2022-04-21T12:52:29Z | |
dc.date.issued | 2013-09 | |
dc.identifier.citation | Ortíz, Juan Pablo Amelio, et al., 2013. Harnessing apomictic reproduction in grasses: what we have learned from paspalum. Annals of Botany. Oxford: Oxford University Press, vol. 112, no. 5, p. 767-787. ISSN-e 1095-8290. | es |
dc.identifier.issn | 0305-7364 | es |
dc.identifier.uri | http://repositorio.unne.edu.ar/handle/123456789/37736 | |
dc.description.abstract | Background: Apomixis is an alternative route of plant reproduction that produces individuals genetically identical to the mother plant through seeds. Apomixis is desirable in agriculture, because it guarantees the perpetuation of super ior genotypes (i.e. heterotic hybrid seeds) by self-seeding without loss of hybrid vigour. The Paspalum genus, an archetypal model system for mining apomixis gene(s), is composed of about 370 species that have extremely diverse reproductive systems, including self-incompatibility, self-fertility, full sexual reproduction, and facultative or obligate apomixis. Barriers to interspecific hybridization are relaxed in this genus, allowing the production of new hybrids from many different parental combinations. Paspalum is also tolerant to various parental genome contribu tionsto the endosperm, allowing analyses of how sexually reproducing crop species might escape from dosage effects in the endosperm. Scope: In this article, the available literature characterizing apomixis in Paspalum spp. and its use in breeding is critically reviewed. In particular, a comparison is made across species of the structure and function of the genomic region controlling apomixis in order to identify a common core region shared by all apomictic Paspalum species and where apomixis genes are likely to be localized. Candidate genes are discussed, either as possible genetic determinants (including homologs to signal transduction and RNA methylation genes) or as downstream factors (such as cell-to-cell signalling and auxin response genes) depending, respectively, on their co-segregation with apomixis or less. Strategies to validate the role of candidate genes in apomictic process are also discussed, with special emphasis on plant transformation in natural apomictic species. | es |
dc.format | application/pdf | es |
dc.language.iso | eng | es |
dc.publisher | Oxford University Press | es |
dc.rights | openAccess | es |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/2.5/ar/ | es |
dc.source | Annals of Botany, 2013, vol. 112, no. 5, p. 767-787. | es |
dc.subject | Apomixis | es |
dc.subject | Comparative mapping | es |
dc.subject | Molecular markers | es |
dc.subject | Paspalum | es |
dc.subject | Transcriptomic analysis | es |
dc.title | Harnessing apomictic reproduction in grasses : what we have learned from paspalum | es |
dc.type | Artículo | es |
unne.affiliation | Fil: Ortíz, Juan Pablo Amelio. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. | es |
unne.affiliation | Fil: Ortíz, Juan Pablo Amelio. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias; Argentina. | es |
unne.affiliation | Fil: Quarin, Camilo Luis. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. | es |
unne.affiliation | Fil: Pessino, Silvina Claudia. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias, Argentina. | es |
unne.affiliation | Fil: Acuña, Carlos Alberto. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. | es |
unne.affiliation | Fil: Martínez, Eric Javier. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. | es |
unne.affiliation | Fil: Espinoza, Francisco. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. | es |
unne.affiliation | Fil: Hojsgaard, Diego Hernán. Universidad de Gotinga. Departamento de Botánica Sistemática; Alemania. | es |
unne.affiliation | Fil: Sartor, María Esperanza. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; Argentina. | es |
unne.affiliation | Fil: Cáceres María Emilia. Instituto de Genética Vegetal. División de búsqueda Perugia; Italia. | es |
unne.affiliation | Fil: Pupilli, Fulvio. Instituto de Genética Vegetal. División de búsqueda Perugia; Italia. | es |
unne.journal.pais | Reino Unido | es |
unne.journal.ciudad | Oxford | es |
unne.ISSN-e | 1095-8290 | es |
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