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| Registros recuperados : 17 | |
| 3. |  | VANZELA, A. L. L.; RUAS, C. F.; OLIVEIRA, M. F.; RUAS, P. M. Characterization of diploid, tetraploid and hexaploid Helianthus species by chromosome banding and FISH with 45S rDNA probe. Genetica, The Hague, v. 114, n. 2, p. 105-111, 2002.| Biblioteca(s): Embrapa Soja. |
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| 7. | | RUAS, P. M.; RUAS, C. F.; FAIRBANKS, D. J.; ANDERSEN, W. R.; CABRAL, J. R. S. Genetic relationship among four varietes of pineapple, Ananas comosus,revealed by random amplified polymorphic DNA (RAPD) analysis. Brazilian Journal of Genetics, 18, 3 413-416, 1995.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 8. | | RUAS, P. M.; RUAS, C. F.; FAIRBANKS, D. J.; ANDERSEN, W. R.; CABRAL, J. R. S. Genetic relationship among four varieties of pineapple, Ananas comosus, revealed by random amplified polymorphic DAN (RAPD) analysis. Brasilian Journal of Genetics, v.18, n.3, p.413-416, 1995.| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 9. | | RUAS, P. M.; RUAS, C. F.; FAIRBANKS, D. J.; ANDERSEN, W. R.; CABRAL, J. R. S. Genetic relationship among four varieties of pineapple, Ananas comosus, revealed by randon ampified polymorphic DNA (RAPD) analysis. Brazilian Journal of Genetics, v. 18, n. 3, p. 413-416, 1995. (RevistaBrasileira de Genetica).| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 12. | | DAMASCENO, J. O; RUAS, E. A.; RODRIGUES, L. A.; RUAS, C. F.; BIANCHINI, E.; PIMENTA, J. A.; RUAS, P. M. Genetic differentiation in Aspidosperma polyneuron (Apocynaceae) over a short geographic distance as assessed by AFLP markers. Genetics and Molecular Research, Ribeirão Preto, v. 10, n. 2, p. 1180-1187, 2011.| Biblioteca(s): Embrapa Meio-Norte. |
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| 13. | | RUAS, C. F.; RUAS, P. M.; MATZENBACHER, N. I.; ROSS, G.; BERNINI, C.; VANZELA, A. L. L. Cytogenetic studies of some Hypochoeris species (Compositae) from Brazil. American Journal of Botany, v.82, n.3, p.369-375, 1995| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 14. | | CARDOSO, R.; RUAS, C. F.; GIACOMIN, R. M.; RUAS, P. M.; RUAS, E. A.; BARBIERI, R. L.; RODRIGUES, R.; GONÇALVES, L. S. A. Genetic variability in Brazilian Capsicum baccatum germplasm collection assessed by morphological fruit traits and AFLP markers. PLOS ONE, v. 13, n. 5, p. 1-15, e0196468, 2018.| Biblioteca(s): Embrapa Clima Temperado. |
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| 15. | | BITTENCOURT, J. V. M.; HIGA, A. R.; MAZZA, M. C. M.; RUAS, P. M.; RUAS, C. F.; CACCAVARI, M.; FASSOLA, H. Conservation, management and sustainable use of Araucaria angustifolia genetic resources in Brazil. In: VINCETI, B.; AMARAL, W.; MEILLEUR, B. (ed.). Challenges in managing forest genetic resources for livelihoods: examples from Argentina and Brazil. Rome: IPGRI, 2004. p. 133-148. (Forest genetic resources).| Biblioteca(s): Embrapa Florestas. |
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| 16. | | BRUEL, D. C.; CARPENTIERI-PÍPOLO; GERAGE, A. C.; FONSECA JÚNIOR, N. da S.; PRETE, C. E. C.; RUAS, C. de F.; RUAS, P. M.; SOUZA, S. G. H. de; GARBUGLIO, D. D. Genetic distance estimated by RAPD markers and its relationship with hybrid performance in maize. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 41, n. 10, p. 1491-1498, out. 2006 Título em português: Distância genética estimada por marcadores RAPD e sua relação com o desempenho de híbridos em milho.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 17. | | FAIRBANKS, D. J.; WALDRIGUES, A.; RUAS, C. F.; RUAS, P. M.; MAUGHAN, P. J.; ROBISON, L. R.; ANDERSEN, W. R.; RIEDE, C. R.; PAULEY, C. S.; CAETANO, L. G.; ARANTES, O. M. N.; FUNGARO, M. H. P.; VIDOTTO, M. C.; JANKEVICIUS, S. E. Efficient characterization of biological diversity using field dna extraction and random amplified polymorphic dna markers Rev. Brasil Genet. v.16, n.1, p.11-22, 1993| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| Registros recuperados : 17 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
26/05/2003 |
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Data da última atualização: |
26/05/2003 |
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Autoria: |
VANZELA, A. L. L.; RUAS, C. F.; OLIVEIRA, M. F.; RUAS, P. M. |
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Título: |
Characterization of diploid, tetraploid and hexaploid Helianthus species by chromosome banding and FISH with 45S rDNA probe. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Genetica, The Hague, v. 114, n. 2, p. 105-111, 2002. |
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Idioma: |
Inglês |
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Conteúdo: |
Comparative karyotype analyses of five diploid, two tetraploid, and three hexaploid species of Helianthus were performed using Feulgen staining, Giemsa C and CMA3 (C-CMA) staining, and FISH with 45S rDNA probe. The karyotypes are composed by a basic number of x=17 with a predominance of meta- and submetacentric chromosome types. A polyploid series is associated with the basic number. Giemsa C- and C-CMA banding revealed terminal or interstitial heterochromatin according to the species, suggesting the existence of a mechanism that may be acting in the dispersion of heterochromatic segments in Helianthus. The nucleolar organizer regions were located at terminal chromosome positions by FISH with 45S rDNA probe. Diploid species presented four, six, and eight rDNA sites, tetraploid species showed eight sites and hexaploid species presented 12 rDNA sites. Karyomorphological differences include variation in number, size and chromosome morphology, suggesting that rearrangements!
involving small heterochromatic and rDNA segments played a major role in karyotype evolution. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01572naa a2200157 a 4500
001 1453404
005 2003-05-26
008 2002 bl --- 0-- u #d
100 1 $aVANZELA, A. L. L.
245 $aCharacterization of diploid, tetraploid and hexaploid Helianthus species by chromosome banding and FISH with 45S rDNA probe.
260 $c2002
520 $aComparative karyotype analyses of five diploid, two tetraploid, and three hexaploid species of Helianthus were performed using Feulgen staining, Giemsa C and CMA3 (C-CMA) staining, and FISH with 45S rDNA probe. The karyotypes are composed by a basic number of x=17 with a predominance of meta- and submetacentric chromosome types. A polyploid series is associated with the basic number. Giemsa C- and C-CMA banding revealed terminal or interstitial heterochromatin according to the species, suggesting the existence of a mechanism that may be acting in the dispersion of heterochromatic segments in Helianthus. The nucleolar organizer regions were located at terminal chromosome positions by FISH with 45S rDNA probe. Diploid species presented four, six, and eight rDNA sites, tetraploid species showed eight sites and hexaploid species presented 12 rDNA sites. Karyomorphological differences include variation in number, size and chromosome morphology, suggesting that rearrangements! involving small heterochromatic and rDNA segments played a major role in karyotype evolution.
700 1 $aRUAS, C. F.
700 1 $aOLIVEIRA, M. F.
700 1 $aRUAS, P. M.
773 $tGenetica, The Hague$gv. 114, n. 2, p. 105-111, 2002.
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