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Registros recuperados : 13 | |
5. | | ROSA, G. G. da; ZANANDREA, I.; MAYER, N. A.; BIANCHI, V. J. Propagação de porta-enxerto de Prunus spp. por estaquia: efeito do genótipo, do estádio de desenvolvimento do ramo e tipo de estaca¹. Revista Ceres, Viçosa, v. 64, n.1, p. 090-097, 2017. Biblioteca(s): Embrapa Clima Temperado. |
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7. | | ROSA, G. G. da; DUTRA, L. F.; MAYER, N. A.; BIANCHI, V. J. Influencia de la composición del medio de cultivo en la propagación in vitro de portainjerto de Prunus spp. 'marianna 2624'.influence of culture medium composition on Prunus spp. rootstock 'marianna 2624' in vitro propagation. In: REUNIÓN ARGENTINA DE FISIOLOGÍA VEGETAL, 31., 2016, Corrientes. Enfrentando el cambio climático haciendo sostenible Ia productividad agro-forestal. Corrientes, Argentina, SAFV, 2016. Biblioteca(s): Embrapa Clima Temperado. |
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10. | | ROSA, G. G. da; CARAVALHO, S. F.; FERREIRA, L. V.; POCOLOTTO, L.; ANTUNES, L. E. C.; FLORES CANTILLANO, R. F. Qualidade de morangos cv. Portola sob armazenamento refrigerado. In:SIMPÓSIO NACIONAL DO MORANGO, 6.; ENCONTRO SOBRE PEQUENAS FRUTAS E FRUTAS NATIVAS DO MERCOSUL, 5., 2012, Pelotas. Palestras e resumos... Pelotas: Embrapa Clima Temperado, 2012. 231 p. Organizadores: Marcia Vizzotto, Carlos Reisser Júnior, Rosa Lia Barbieri, Rodrigo Cezar Franzon. Biblioteca(s): Embrapa Clima Temperado. |
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11. | | DURIGON, M. A.; LANGARO, A. C.; AMARANTE, L do; ROSA, G. G. da; LIMA, M. C.; SCHNEIDER, L.; BADINELLI, P. G.; VERNETTI JUNIOR, F. de J. Análises de crescimento de genótipos exóticos de soja nodulada submetidos ao alagamento. In: CONGRESSO DE INICIAÇÃO CIENTÍFICA, 18., MOSTRA DE PÓS-GRADUAÇÃO, 8., 2009. Pelotas. Anais... Pelotas: UCPel, 2009. 1 CD-ROM. Biblioteca(s): Embrapa Clima Temperado. |
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12. | | ANDRADE, S. B. de; LIMA, C. S. M.; TOMAZ, Z. F. P.; ROSA, G. G. da; RUFATO, A. de R.; RUFATO, L. Compatibilidade de enxertia entre porta-enxertos de marmeleiros e copa de pereira. In: ENCONTRO NACIONAL SOBRE FRUTICULTURA DE CLIMA TEMPERADO, 12., Fraiburgo, 2011. Levando conhecimento e tecnologia para a fruticultura: anais. Caçador: Epagri, 2011. v. 2 p. 97. Resumo. Biblioteca(s): Embrapa Uva e Vinho. |
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13. | | ANDRADE, S. B. de; LIMA, C. S. M.; GAUTÉRIO, G. R.; TEIXEIRA, S. B.; ROSA, G. G. da; RUFATO, A. de R.; RUFATO, L. Propagação clonal e enraizamento de estacas de pereira. In: CONGREGA URCAMP 2011; MOSTRA DE INICIAÇÃO CIENTÍFICA, 9., 2011, Bagé. Anais... Bagé: URCAMP, 2011. Não paginado. Resumo 462. Biblioteca(s): Embrapa Uva e Vinho. |
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Registros recuperados : 13 | |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
01/02/2016 |
Data da última atualização: |
01/02/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
PAULA, C. M. P. de; LIMA, D. C.; SOUZA SOBRINHO, F. de; TECHIO, V. H. |
Afiliação: |
Cristina Maria Pinto de Paula, UFLA, MG; Dayane Cristina Lima, UFLA, MG; FAUSTO DE SOUZA SOBRINHO, CNPGL; Vânia Helena Techio, UFLA, MG. |
Título: |
Frequency of the RAD51 (radiation sensitive 51) recombinase in species and hybrids of Brachiaria and relationship with genetic variability. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
Australian Journal of Crop Science, v. 9, n. 12, p. 1271-1277, 2015. |
Idioma: |
Inglês |
Conteúdo: |
Abstract : This study identified and compared the frequency of homology and recombination hotspots in sexual diploid and tetraploid species, apomictic tetraploids and hybrids of Brachiaria, by immunolocalization of the radiation sensitive 51 (RAD51). Roots were fixed in 4% paraformaldehyde. We applied primary antibody (Rat anti-Arabidopsis thaliana RAD51) and detected with a secondary antibody (Goat anti-rat IgG FITC). The analysis of this protein showed diffuse signals at leptotene. In zygotene, signals of RAD51 were identified in unpaired chromosomes or partially paired and adjacent signals of RAD51 in paired chromosomes, confirming its close involvement with the search for chromosomal homology. During pachytene, RAD51 signals were located between chromosome axes in recombination hotspots. The mean number of recombination signals was greater in apomictic species of Brachiaria (B. decumbens, 85.80 and B. brizantha, 83.87), this higher frequency of signals can be related to the mode of reproduction of the species. The artificially tetraploidized B. ruziziensis showed a mean number of RAD51 signals similar the diploid B. ruziziensis, as a result of the polyploidization. The hybrids presented an overlap of the mean number of RAD51 signals compared to diploid and tetraploid of B. ruziziensis. This non-additivity of genomes is possibly an adaptation to genomic stress caused by hybridization and polyploidy. |
Palavras-Chave: |
Crossover; Homology; Immunolocalization; Recombination hotspots. |
Thesaurus NAL: |
meiosis. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 02129naa a2200217 a 4500 001 2035705 005 2024-02-01 008 2015 bl uuuu u00u1 u #d 100 1 $aPAULA, C. M. P. de 245 $aFrequency of the RAD51 (radiation sensitive 51) recombinase in species and hybrids of Brachiaria and relationship with genetic variability.$h[electronic resource] 260 $c2015 520 $aAbstract : This study identified and compared the frequency of homology and recombination hotspots in sexual diploid and tetraploid species, apomictic tetraploids and hybrids of Brachiaria, by immunolocalization of the radiation sensitive 51 (RAD51). Roots were fixed in 4% paraformaldehyde. We applied primary antibody (Rat anti-Arabidopsis thaliana RAD51) and detected with a secondary antibody (Goat anti-rat IgG FITC). The analysis of this protein showed diffuse signals at leptotene. In zygotene, signals of RAD51 were identified in unpaired chromosomes or partially paired and adjacent signals of RAD51 in paired chromosomes, confirming its close involvement with the search for chromosomal homology. During pachytene, RAD51 signals were located between chromosome axes in recombination hotspots. The mean number of recombination signals was greater in apomictic species of Brachiaria (B. decumbens, 85.80 and B. brizantha, 83.87), this higher frequency of signals can be related to the mode of reproduction of the species. The artificially tetraploidized B. ruziziensis showed a mean number of RAD51 signals similar the diploid B. ruziziensis, as a result of the polyploidization. The hybrids presented an overlap of the mean number of RAD51 signals compared to diploid and tetraploid of B. ruziziensis. This non-additivity of genomes is possibly an adaptation to genomic stress caused by hybridization and polyploidy. 650 $ameiosis 653 $aCrossover 653 $aHomology 653 $aImmunolocalization 653 $aRecombination hotspots 700 1 $aLIMA, D. C. 700 1 $aSOUZA SOBRINHO, F. de 700 1 $aTECHIO, V. H. 773 $tAustralian Journal of Crop Science$gv. 9, n. 12, p. 1271-1277, 2015.
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