Biparental chromosome elimination in artificial interspecific hybrids of Pennisetum purpureum and Pennisetum glaucum

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorAndrade-Vieira, Larissa Fonseca-
Autor(es): dc.creatorReis, Gabriela Barreto dos-
Autor(es): dc.creatorTorres, Giovana Augusta-
Autor(es): dc.creatorOliveira, Ana Rafaela-
Autor(es): dc.creatorBrasileiro-Vidal, Ana Christina-
Autor(es): dc.creatorPereira, Antônio Vander-
Autor(es): dc.creatorDavide, Lisete Chamma-
Data de aceite: dc.date.accessioned2026-02-09T11:12:26Z-
Data de disponibilização: dc.date.available2026-02-09T11:12:26Z-
Data de envio: dc.date.issued2020-02-04-
Data de envio: dc.date.issued2020-02-04-
Data de envio: dc.date.issued2013-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/38828-
Fonte completa do material: dc.identifierhttps://dl.sciencesocieties.org/publications/cs/abstracts/53/5/1917?access=0&view=pdf-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1135939-
Descrição: dc.descriptionThis work aimed to study the dynamics of chromosome elimination from both parents in four interspecific hybrids (P1, H89, H40, and H42) originated from crosses between Napier grass (Pennisetum purpureum Schumach.) (2n = 4x = 28) and pearl millet [Pennisetum glaucum (L.) R. Br.] (2n = 2x = 14) after chromosome doubling. Large variation in somatic chromosome number was verified among and within hybrids. In P1 and H89, chromosome elimination was much less intense than in H40 and H42. Genomic in situ hybridization analysis revealed biparental and random elimination. The differences in chromosome number between P1–H89 and H42–H40 groups can be mainly attributed to the elimination of chromosomes from Napier grass. Higher ploidy level and homeology between genomes A and A’ are considered forces underlying the process of elimination. Effect of parental genotype is also taken into account to explain the differences in chromosome elimination. Potential of the partial hexaploid hybrids for Napier grass breeding is also discussed here.-
Idioma: dc.languageen-
Publicador: dc.publisherCrop Science Society of America-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceCrop Science-
Palavras-chave: dc.subjectPennisetum purpureum-
Palavras-chave: dc.subjectPennisetum glaucum-
Palavras-chave: dc.subjectChromosome elimination-
Palavras-chave: dc.subjectEliminação cromossômica-
Título: dc.titleBiparental chromosome elimination in artificial interspecific hybrids of Pennisetum purpureum and Pennisetum glaucum-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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