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| 2. |  | MELO, P. G. S.; FERREIRA JÚNIOR, A. J.; SCHEGOSCHESKI, R. T.; OLIVEIRA, T. C. A.; MORAIS, O. P.; DINIZ, J. A. Seleção de cultivares e linhagens de arroz de terras altas visando agricultura familiar em Goiás. In: CONGRESSO BRASILEIRO DA CADEIA PRODUTIVA DE ARROZ, 2.; REUNIÃO NACIONAL DE PESQUISA DE ARROZ, 8., 2006, Brasília, DF. Anais... Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2006. (Embrapa Arroz e Feijão. Documentos, 196).| Biblioteca(s): Embrapa Arroz e Feijão. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
15/01/2015 |
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Data da última atualização: |
26/05/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
SILVA, S. da C.; MENDES, S.; SOARES FILHO, W. dos S.; PEDROSA-HARAND, A.A. |
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Afiliação: |
SILVOKLEIO DA COSTA SILVA, UFPE; SANDRA MENDES, UFPE; WALTER DOS SANTOS SOARES FILHO, CNPMF; ANDREA PEDROSA-HARAND, UFPE. |
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Título: |
Chromosome homologies between Citrus and Poncirus-the comparative cytogenetic map of mandarin (Citrus reticulata). |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Tree Genetics & Genomes, v.11, p.811, 2015. |
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ISSN: |
1614-2950 |
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Idioma: |
Inglês |
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Conteúdo: |
Mandarins are among the main citrus species and constitute a morphologically diverse and taxonomically controversial group. Cytogenetic studies were limited to the determination of its karyotype formula and the localization of ribosomal DNA (rDNA) sites. The cytogenetic map of Poncirus trifoliata, established by fluorescent in situ hybridization (FISH) using single-copy bacterial artificial chromosomes (BACs) together with the localization of rDNA sequences and heterochromatin (CMA/DAPI banding pattern), represented an important milestone for the cytogenetic studies of the citrus species. In this work, the cytogenetic map of Citrus reticulata cv. Cravo, one of the pure species of the genus, was built using BACs from P. trifoliata, including the citrus tristeza virus resistance locus (Ctv), to detect homeologies and structural karyotypic changes between these species. Except for chromosomes 2 and 3, heterochromatin distribution and position of BACs were maintained in comparison to P. trifoliata, indicating a high synteny between both karyotypes and supporting a close phylogenetic relationship between these species. A break of colinearity was observed between BAC clones and the CMA+ bands (including rDNA loci) from chromosomes 2 and 3, which could be mainly explained by amplification and reduction of the satellite DNA sequences that constitute the heterochromatic bands of these chromosome pairs. |
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Palavras-Chave: |
BAC-FISH; Heteromorphism; Synteny. |
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Thesagro: |
Doença de planta; Fruta cítrica. |
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Thesaurus NAL: |
Citrus; Heterochromatin. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02151naa a2200253 a 4500
001 2005639
005 2023-05-26
008 2015 bl uuuu u00u1 u #d
022 $a1614-2950
100 1 $aSILVA, S. da C.
245 $aChromosome homologies between Citrus and Poncirus-the comparative cytogenetic map of mandarin (Citrus reticulata).$h[electronic resource]
260 $c2015
520 $aMandarins are among the main citrus species and constitute a morphologically diverse and taxonomically controversial group. Cytogenetic studies were limited to the determination of its karyotype formula and the localization of ribosomal DNA (rDNA) sites. The cytogenetic map of Poncirus trifoliata, established by fluorescent in situ hybridization (FISH) using single-copy bacterial artificial chromosomes (BACs) together with the localization of rDNA sequences and heterochromatin (CMA/DAPI banding pattern), represented an important milestone for the cytogenetic studies of the citrus species. In this work, the cytogenetic map of Citrus reticulata cv. Cravo, one of the pure species of the genus, was built using BACs from P. trifoliata, including the citrus tristeza virus resistance locus (Ctv), to detect homeologies and structural karyotypic changes between these species. Except for chromosomes 2 and 3, heterochromatin distribution and position of BACs were maintained in comparison to P. trifoliata, indicating a high synteny between both karyotypes and supporting a close phylogenetic relationship between these species. A break of colinearity was observed between BAC clones and the CMA+ bands (including rDNA loci) from chromosomes 2 and 3, which could be mainly explained by amplification and reduction of the satellite DNA sequences that constitute the heterochromatic bands of these chromosome pairs.
650 $aCitrus
650 $aHeterochromatin
650 $aDoença de planta
650 $aFruta cítrica
653 $aBAC-FISH
653 $aHeteromorphism
653 $aSynteny
700 1 $aMENDES, S.
700 1 $aSOARES FILHO, W. dos S.
700 1 $aPEDROSA-HARAND, A.A
773 $tTree Genetics & Genomes$gv.11, p.811, 2015.
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