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| Registros recuperados : 108 | |
| 11. |  | DAVIDE, L. C.; TELLES, C. R.; POMPEU, L. R. Pinus de tecun urnan: especie ou subspecie? In: CONGRESSO FLORESTAL PANAMERICANO, 1.; CONGRESSO FLORESTAL BRASILEIRO, 7., 1993, Curitiba. Floresta para o Desenvolvimento: Política, Ambiente, Tecnologia e Mercado: anais. São Paulo: SBS; [S.l.]: SBEF, 1993. v.2, p.728.| Biblioteca(s): Embrapa Florestas. |
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| 12. | | NUNES, J. D.; TORRES, G. A.; DAVIDE, L. C.; SALGADO, C. C. Citogenética de Piper hispidinervum e Piper aduncum Pesquisa Agropecuária Brasileira, Brasília, DF, v. 42, n. 7, p. 1049-1052, jul. 2007 Notas Científicas.
Título em inglês: Cytogenetics of Piper hispidinervum and Piper aduncum.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 13. | | DAVIDE, L. C.; TECHIO, V. H.; PEREIRA, R. C.; FONTES-SOARES, B. D.; TORRES, G. A. Citogenética e suas aplicações no melhoramento de plantas. Informe Agropecuário, v. 30, n. 253, p. 53-63, nov./dez., 2009.| Biblioteca(s): Embrapa Algodão; Embrapa Semiárido; Embrapa Uva e Vinho. |
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| 18. | | FERREIRA, K.; TORRES, G. A.; CARVALHO, I. V. de; DAVIDE, L. C. Abnormal meiotic behavior in three species of Crotalaria. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 44, n. 12, p. 1641-1646, dez. 2009 Título em português: Comportamento meiótico anormal em três espécies de Crotalaria.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 19. | | VILA, V. B.; DAVIDE, L. C.; PINTO, C. A. B. P.; RAPOSO, F. V. Analise citologica, morfologica e eletroforetica de hibridos de S. tuberosum x (S. tuberosum x S. chacoense). Revista Brasileira de Genetica, Ribeirao Preto, v.18, n.3, p.432, 1995. Resumo. Suplemento.| Biblioteca(s): Embrapa Hortaliças. |
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| Registros recuperados : 108 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
02/06/2016 |
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Data da última atualização: |
24/05/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
OLIVEIRA, L. C.; OLIVEIRA, M. do S. P. de; DAVIDE, L. C.; TORRES, G. A. |
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Afiliação: |
Ludmila Cristina Oliveira, UFLA; MARIA DO SOCORRO P DE OLIVEIRA, CPATU; Lisete Chamma Davide, ESTAGIÁRIA CPATU; Giovana Augusta Torres, UFLA. |
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Título: |
Karyotype and genome size in Euterpe Mart. (Arecaceae) species. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Comparative Cytogenetics, v. 10, n. 1, p. 17-25, 2016. |
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DOI: |
10.3897/CompCytogen.v10i1.5522 |
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Idioma: |
Inglês |
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Conteúdo: |
Euterpe (Martius, 1823), a genus from Central and South America, has species with high economic importance in Brazil, because of their palm heart and fruits, known as açaí berries. Breeding programs have been conducted to increase yield and establish cultivation systems to replace the extraction of wild material. These programs need basic information about the genome of these species to better explore the available genetic variability. The aim of this study was to compare E. edulis (Martius, 1824), E. oleracea (Martius, 1824) and E. precatoria (Martius, 1842), with regard to karyotype, type of interphase nucleus and nuclear DNA amount. Metaphase chromosomes and interphase nuclei from root tip meristematic cells were obtained by the squashing technique and solid stained for microscope analysis. The DNA amount was estimated by flow cytometry. There were previous reports on the chromosome number of E. edulis and E. oleracea, but chromosome morphology of these two species and the whole karyotype of E. precatoria are reported for the first time. The species have 2n=36, a number considered as a pleisomorphic feature in Arecoideae since the modern species, according to floral morphology, have the lowest chromosome number (2n=28 and 2n=30). The three Euterpe species also have the same type of interphase nuclei, classified as semi-reticulate. The species differed on karyotypic formulas, on localization of secondary constriction and genome size. The data suggest that the main forces driving Euterpe karyotype evolution were structural rearrangements, such as inversions and translocations that alter chromosome morphology, and either deletion or amplification that led to changes in chromosome size. MenosEuterpe (Martius, 1823), a genus from Central and South America, has species with high economic importance in Brazil, because of their palm heart and fruits, known as açaí berries. Breeding programs have been conducted to increase yield and establish cultivation systems to replace the extraction of wild material. These programs need basic information about the genome of these species to better explore the available genetic variability. The aim of this study was to compare E. edulis (Martius, 1824), E. oleracea (Martius, 1824) and E. precatoria (Martius, 1842), with regard to karyotype, type of interphase nucleus and nuclear DNA amount. Metaphase chromosomes and interphase nuclei from root tip meristematic cells were obtained by the squashing technique and solid stained for microscope analysis. The DNA amount was estimated by flow cytometry. There were previous reports on the chromosome number of E. edulis and E. oleracea, but chromosome morphology of these two species and the whole karyotype of E. precatoria are reported for the first time. The species have 2n=36, a number considered as a pleisomorphic feature in Arecoideae since the modern species, according to floral morphology, have the lowest chromosome number (2n=28 and 2n=30). The three Euterpe species also have the same type of interphase nuclei, classified as semi-reticulate. The species differed on karyotypic formulas, on localization of secondary constriction and genome size. The data suggest that the main forces d... Mostrar Tudo |
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Palavras-Chave: |
Citometria de fluxo; Evolução cromossômica. |
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Thesagro: |
Açaí; Genoma. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/143846/1/2016-Oliveira.pdf
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Marc: |
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100 1 $aOLIVEIRA, L. C.
245 $aKaryotype and genome size in Euterpe Mart. (Arecaceae) species.$h[electronic resource]
260 $c2016
520 $aEuterpe (Martius, 1823), a genus from Central and South America, has species with high economic importance in Brazil, because of their palm heart and fruits, known as açaí berries. Breeding programs have been conducted to increase yield and establish cultivation systems to replace the extraction of wild material. These programs need basic information about the genome of these species to better explore the available genetic variability. The aim of this study was to compare E. edulis (Martius, 1824), E. oleracea (Martius, 1824) and E. precatoria (Martius, 1842), with regard to karyotype, type of interphase nucleus and nuclear DNA amount. Metaphase chromosomes and interphase nuclei from root tip meristematic cells were obtained by the squashing technique and solid stained for microscope analysis. The DNA amount was estimated by flow cytometry. There were previous reports on the chromosome number of E. edulis and E. oleracea, but chromosome morphology of these two species and the whole karyotype of E. precatoria are reported for the first time. The species have 2n=36, a number considered as a pleisomorphic feature in Arecoideae since the modern species, according to floral morphology, have the lowest chromosome number (2n=28 and 2n=30). The three Euterpe species also have the same type of interphase nuclei, classified as semi-reticulate. The species differed on karyotypic formulas, on localization of secondary constriction and genome size. The data suggest that the main forces driving Euterpe karyotype evolution were structural rearrangements, such as inversions and translocations that alter chromosome morphology, and either deletion or amplification that led to changes in chromosome size.
650 $aAçaí
650 $aGenoma
653 $aCitometria de fluxo
653 $aEvolução cromossômica
700 1 $aOLIVEIRA, M. do S. P. de
700 1 $aDAVIDE, L. C.
700 1 $aTORRES, G. A.
773 $tComparative Cytogenetics$gv. 10, n. 1, p. 17-25, 2016.
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