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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
09/09/2010 |
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Data da última atualização: |
06/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BORBA, T. C. de O.; BRONDANI, R. P. V.; BRESEGHELLO, F.; COELHO, A. S. G.; MENDONÇA, J. A.; RANGEL, P. H. N.; BRONDANI, C. |
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Afiliação: |
TEREZA CRISTINA DE OLIVEIRA BORBA, CNPAF; ROSANA PEREIRA VIANELLO BRONDANI, CNPAF; FLAVIO BRESEGHELLO, CNPAF; ALEXANDRE SIQUEIRA GUEDES COELHO, UFG; JOAO ANTONIO MENDONCA, CNPAF; PAULO HIDEO NAKANO RANGEL, CNPAF; CLAUDIO BRONDANI, CNPAF. |
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Título: |
Association mapping for yield and grain quality traits in rice (Oryza sativa L.). |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Genetics and Molecular Biology, v. 33, n. 3, p. 515-524, 2010. |
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DOI: |
https://doi.org/10.1590/S1415-47572010005000065 |
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Idioma: |
Inglês |
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Conteúdo: |
Association analysis was applied to a panel of accessions of Embrapa Rice Core Collection (ERiCC) with 86 SSR and field data from two experiments. A clear subdivision between lowland and upland accessions was apparent, thereby indicating the presence of population structure. Thirty-two accessions with admixed ancestry were identified through structure analysis, these being discarded from association analysis, thus leaving 210 accessions subdivided into two panels. The association of yield and grain-quality traits with SSR was undertaken with a mixed linear model, with markers and subpopulation as fixed factors, and kinship matrix as a random factor. Eight markers from the two appraised panels showed significant association with four different traits, although only one (RM190) maintained the marker-trait association across years and cultivation. The significant association detected between amylose content and RM190 was in agreement with previous QTL analyses in the literature. Herein, the feasibility of undertaking association analysis in conjunction with germplasm characterization was demonstrated, even when considering low marker density. The high linkage disequilibrium expected in rice lines and cultivars facilitates the detection of marker-trait associations for implementing marker assisted selection, and the mining of alleles related to important traits in germplasm. |
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Palavras-Chave: |
Association analysis; Core collection; Genetic structure. |
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Thesagro: |
Arroz; Germoplasma; Oryza sativa; Recurso genético. |
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Thesaurus Nal: |
Germplasm conservation; Rice. |
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Categoria do assunto: |
S Ciências Biológicas |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/166817/1/CNPAF-2010-gmb.pdf
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Marc: |
LEADER 02328naa a2200313 a 4500
001 1862017
005 2022-06-06
008 2010 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1590/S1415-47572010005000065$2DOI
100 1 $aBORBA, T. C. de O.
245 $aAssociation mapping for yield and grain quality traits in rice (Oryza sativa L.).$h[electronic resource]
260 $c2010
520 $aAssociation analysis was applied to a panel of accessions of Embrapa Rice Core Collection (ERiCC) with 86 SSR and field data from two experiments. A clear subdivision between lowland and upland accessions was apparent, thereby indicating the presence of population structure. Thirty-two accessions with admixed ancestry were identified through structure analysis, these being discarded from association analysis, thus leaving 210 accessions subdivided into two panels. The association of yield and grain-quality traits with SSR was undertaken with a mixed linear model, with markers and subpopulation as fixed factors, and kinship matrix as a random factor. Eight markers from the two appraised panels showed significant association with four different traits, although only one (RM190) maintained the marker-trait association across years and cultivation. The significant association detected between amylose content and RM190 was in agreement with previous QTL analyses in the literature. Herein, the feasibility of undertaking association analysis in conjunction with germplasm characterization was demonstrated, even when considering low marker density. The high linkage disequilibrium expected in rice lines and cultivars facilitates the detection of marker-trait associations for implementing marker assisted selection, and the mining of alleles related to important traits in germplasm.
650 $aGermplasm conservation
650 $aRice
650 $aArroz
650 $aGermoplasma
650 $aOryza sativa
650 $aRecurso genético
653 $aAssociation analysis
653 $aCore collection
653 $aGenetic structure
700 1 $aBRONDANI, R. P. V.
700 1 $aBRESEGHELLO, F.
700 1 $aCOELHO, A. S. G.
700 1 $aMENDONÇA, J. A.
700 1 $aRANGEL, P. H. N.
700 1 $aBRONDANI, C.
773 $tGenetics and Molecular Biology$gv. 33, n. 3, p. 515-524, 2010.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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| 3. |  | FREITAS, M. G.; RODRIGUES, S. B.; CAMPOS-FILHO, E. M.; CARMO, G. H. P. do; VEIGA, J. M. da; JUNQUEIRA, R. G. P.; VIEIRA, D. L. M. Evaluating the success of direct seeding for tropical forest restoration over ten years. Forest Ecology and Management, v. 438, p. 224-232, 2019.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| Registros recuperados : 7 | |
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