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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
19/11/2003 |
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Data da última atualização: |
28/07/2017 |
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Autoria: |
BIONE, N. C. P.; PAGLIARINI, M. S.; ALMEIDA, L. A. de. |
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Título: |
A new and distinctive male-sterile, female-fertile desynaptic mutant in soybean (Glycine max). |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Hereditas, Lund, v. 136, n. 2, p. 97-103, 2002. |
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Idioma: |
Inglês |
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Conteúdo: |
A spontaneous desynaptic mutation, affecting only microsporogenesis and causing pollen sterility, has been detected in BR97-12986H, a line of the official Brazilian soybean breeding program. In this male-sterile, female-fertile mutant, up to metaphase II, the meiotic behavior was similar to that described for the st series of synaptic mutants previously reported in soybean. Besides many univalents, few or total absence of bivalents were recorded in diakinesis. Bivalents presented one or two terminal chiasmata, while univalents retained the sister chromatid cohesion. Bivalents and most univalents congregated at the equatorial metaphase plate, although univalents frequently migrated to the poles prematurely. Laggards resulting from delay in chiasmata terminalization were also recorded. Distinctly different in their behavior from st series soybean mutants, telophase I-originated micronuclei of different sizes organized their own spindle in the second division. This behavior contributed towards an increase in genome fractionation. Several microspores and microcytes of different sizes were recorded at the end of meiosis. Pollen sterility was estimated at 91.2 %. Segregation ratio for sterility in this line and its progenies reached 3:1. Allelism tests with st series of synaptic mutants are in progress. The importance of male-sterile, female-fertile mutations for soybean breeding programs is discussed. |
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Thesagro: |
Melhoramento; Soja. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/162184/1/BIONE-et-al-2002-Hereditas.pdf
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Marc: |
LEADER 01904naa a2200169 a 4500
001 1468651
005 2017-07-28
008 2002 bl uuuu u00u1 u #d
100 1 $aBIONE, N. C. P.
245 $aA new and distinctive male-sterile, female-fertile desynaptic mutant in soybean (Glycine max).
260 $c2002
520 $aA spontaneous desynaptic mutation, affecting only microsporogenesis and causing pollen sterility, has been detected in BR97-12986H, a line of the official Brazilian soybean breeding program. In this male-sterile, female-fertile mutant, up to metaphase II, the meiotic behavior was similar to that described for the st series of synaptic mutants previously reported in soybean. Besides many univalents, few or total absence of bivalents were recorded in diakinesis. Bivalents presented one or two terminal chiasmata, while univalents retained the sister chromatid cohesion. Bivalents and most univalents congregated at the equatorial metaphase plate, although univalents frequently migrated to the poles prematurely. Laggards resulting from delay in chiasmata terminalization were also recorded. Distinctly different in their behavior from st series soybean mutants, telophase I-originated micronuclei of different sizes organized their own spindle in the second division. This behavior contributed towards an increase in genome fractionation. Several microspores and microcytes of different sizes were recorded at the end of meiosis. Pollen sterility was estimated at 91.2 %. Segregation ratio for sterility in this line and its progenies reached 3:1. Allelism tests with st series of synaptic mutants are in progress. The importance of male-sterile, female-fertile mutations for soybean breeding programs is discussed.
650 $aMelhoramento
650 $aSoja
700 1 $aPAGLIARINI, M. S.
700 1 $aALMEIDA, L. A. de
773 $tHereditas, Lund$gv. 136, n. 2, p. 97-103, 2002.
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Registro original: |
Embrapa Soja (CNPSO) |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
09/02/2017 |
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Data da última atualização: |
08/04/2024 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
PEREIRA, M. M.; BRANDAO, H. de M.; ZANETTE, R. de S. S.; QUINTAO, C. C. R.; SOUZA, E. D. De; ALMEIDA, L. B. F.; LADEIRA, L. O.; CAMARGO, L. S. de A. |
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Afiliação: |
MICHELE MUNK PEREIRA, UFJF; HUMBERTO DE MELLO BRANDAO, CNPGL; RAFAELLA DE OUZA SALOMÃO BRANDÃO, UFJF; CAROLINA CAPOBIANGO ROMANO QUINTAO, CNPGL; ELIZA DINIZ DE SOUZA, UNIVERSIDADE FEDERAL DO ESPÍRITO SANTO; LEONORA BEATRIZ FAYER ALMEIDA, UFJF; LUIZ ORLANDO LADEIRA, UFMG; LUIZ SERGIO DE ALMEIDA CAMARGO, CNPGL. |
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Título: |
Transfecção gênica de células primárias de fibroblastos bovinos utilizando nanotubos de carbono multicamadas carboxilados. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE TECNOLOGIA DE EMBRIÕES, 30., 2016, Foz do Iguaçu. Anais... Foz do Iguaçu: Sociedade Brasileira de Tecnologia de Embriões, 2016. |
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Idioma: |
Português |
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Palavras-Chave: |
Carreadores gênicos; Nanotubos de carbono; Transgênico. |
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Categoria do assunto: |
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1063277/1/Transfeccao-genica-de-celulas-primarias-de-fibroblastos-bovinos.pdf
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Marc: |
LEADER 00855nam a2200217 a 4500
001 2063277
005 2024-04-08
008 2016 bl uuuu u00u1 u #d
100 1 $aPEREIRA, M. M.
245 $aTransfecção gênica de células primárias de fibroblastos bovinos utilizando nanotubos de carbono multicamadas carboxilados.$h[electronic resource]
260 $aIn: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE TECNOLOGIA DE EMBRIÕES, 30., 2016, Foz do Iguaçu. Anais... Foz do Iguaçu: Sociedade Brasileira de Tecnologia de Embriões$c2016
653 $aCarreadores gênicos
653 $aNanotubos de carbono
653 $aTransgênico
700 1 $aBRANDAO, H. de M.
700 1 $aZANETTE, R. de S. S.
700 1 $aQUINTAO, C. C. R.
700 1 $aSOUZA, E. D. De
700 1 $aALMEIDA, L. B. F.
700 1 $aLADEIRA, L. O.
700 1 $aCAMARGO, L. S. de A.
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