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| Registros recuperados : 664 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
17/03/2008 |
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Data da última atualização: |
26/01/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
ADAMOWSKI, E. V.; BOLDRINI, K. R.; PAGLIARINI, M. S.; VALLE, C. B. do. |
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Afiliação: |
Eleniza de Victor Adamowski, UEM; Kellen Regina Boldrini, UEM; Maria Suely Pagliarini, UEM; CACILDA BORGES DO VALLE, CNPGC. |
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Título: |
Abnormal cytokinesis in microsporogenesis of Brachiaria humidicola (Poaceae: Paniceae). |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Genetics and Molecular Research, Ribeirão Preto, v. 6, n. 3, p. 616-621, 2007. |
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Idioma: |
Inglês |
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Conteúdo: |
Microsporogenesis was evaluated in the Brachiaria humidicola collection of the Embrapa Beef Cattle Center, represented by 60 acessions. One acession (H121) presented an abnormal pattern of cytokinesis that had never been reported in this genus. Among 900 meiocytes analyzed in the first division, 10.7% underwent precocious and multiple cytokinesis in metaphase I, fractionating the genome and the cytoplasm into two or more parts. The expected cytokinesis after telophase I did not occur. The abnormal meiocytes from the first division entered the second division but the second cytokinesis after telophase II was also abnormal. Among the 857 meiocytes analyzed in the second division, 10.9% presented abnormal, incomplete or total absence of cytokinesis. Dyads and binucleated microspores were recorded among the meiotic products. The use of this accession in the Embrapa breeding program is compromised. |
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Palavras-Chave: |
Braquiária; Brasil; Campo Grande; Citocinese; Citokinesis; Feed crops; Feed grasses; Mato Grosso do Sul. |
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Thesagro: |
Brachiaria Humidicola; Citogenética vegetal; Meiose; Melhoramento genético vegetal; Planta Forrageira. |
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Thesaurus NAL: |
Brazil; Cytogenetics; Plant breeding. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/171720/1/Abnormal-cytokinesis.pdf
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Marc: |
LEADER 01886naa a2200349 a 4500
001 1326647
005 2018-01-26
008 2007 bl uuuu u00u1 u #d
100 1 $aADAMOWSKI, E. V.
245 $aAbnormal cytokinesis in microsporogenesis of Brachiaria humidicola (Poaceae$bPaniceae).
260 $c2007
520 $aMicrosporogenesis was evaluated in the Brachiaria humidicola collection of the Embrapa Beef Cattle Center, represented by 60 acessions. One acession (H121) presented an abnormal pattern of cytokinesis that had never been reported in this genus. Among 900 meiocytes analyzed in the first division, 10.7% underwent precocious and multiple cytokinesis in metaphase I, fractionating the genome and the cytoplasm into two or more parts. The expected cytokinesis after telophase I did not occur. The abnormal meiocytes from the first division entered the second division but the second cytokinesis after telophase II was also abnormal. Among the 857 meiocytes analyzed in the second division, 10.9% presented abnormal, incomplete or total absence of cytokinesis. Dyads and binucleated microspores were recorded among the meiotic products. The use of this accession in the Embrapa breeding program is compromised.
650 $aBrazil
650 $aCytogenetics
650 $aPlant breeding
650 $aBrachiaria Humidicola
650 $aCitogenética vegetal
650 $aMeiose
650 $aMelhoramento genético vegetal
650 $aPlanta Forrageira
653 $aBraquiária
653 $aBrasil
653 $aCampo Grande
653 $aCitocinese
653 $aCitokinesis
653 $aFeed crops
653 $aFeed grasses
653 $aMato Grosso do Sul
700 1 $aBOLDRINI, K. R.
700 1 $aPAGLIARINI, M. S.
700 1 $aVALLE, C. B. do
773 $tGenetics and Molecular Research, Ribeirão Preto$gv. 6, n. 3, p. 616-621, 2007.
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Registro original: |
Embrapa Gado de Corte (CNPGC) |
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