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| Registros recuperados : 11 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Café. |
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Data corrente: |
09/12/2019 |
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Data da última atualização: |
09/12/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
SILVA, B. S. R. da; SANT'ANA, G. C.; CHAVES, C. L.; ANDROCIOLI, L. G.; FERREIRA, R. V.; SERA, G. H.; CHARMETANT, P.; LEROY, T.; POT, D.; DOMINGUES, D. S.; PEREIRA, L. F. P. |
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Afiliação: |
Bruna Silvestre Rodrigues da Silva, Instituto Agronômico do Paraná - IAPAR; Gustavo César Sant'Ana, Instituto Agronômico do Paraná - IAPAR; Camila Lucas Chaves, Universidade Estadual de Londrina - UEL/Departamento de Agronomia; Leonardo Godoy Androcioli, Instituto Agronômico do Paraná - IAPAR; Rafaelle Vecchia Ferreira, Instituto Agronômico do Paraná - IAPAR; Gustavo Hiroshi Sera, Instituto Agronômico do Paraná - IAPAR; Pierre Charmetant, CIRAD, UMR AGAP; Thierry Leroy, CIRAD, UMR AGAP; David Pot, CIRAD, UMR AGAP; Douglas Silva Domingues, Universidade Estadual Paulista - UNESP/Instituto de Biociências de Rio Claro; LUIZ FILIPE PROTASIO PEREIRA, CNPCa. |
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Título: |
Population structure and genetic relationships between Ethiopian and Brazilian Coffea arabica genotypes revealed by SSR markers. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Genetica, v. 147, n. 2, p. 205–216, April 2019. |
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Idioma: |
Inglês |
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Conteúdo: |
genotypes is highly relevant to optimize the use of genetic resources for breeding purposes. In this study, we evaluated genetic diversity, clustering analysis based on Jaccard?s coefficient and population structure in 33 genotypes of C. arabica and of three diploid Coffea species (C. canephora, C. eugenioides and C. racemosa) using 30 SSR markers. A total of 206 alleles were identified, with a mean of 6.9 over all loci. The set of SSR markers was able to discriminate all genotypes and revealed that Ethiopian accessions presented higher genetic diversity than commercial varieties. Population structure analysis indicated two genetic groups, one corresponding to Ethiopian accessions and another corresponding predominantly to commercial cultivars. Thirty-four private alleles were detected in the group of accessions collected from West side of Great Rift Valley. We observed a lower average genetic distance of the C. arabica genotypes in relation to C. eugenioides than C. canephora. Interestingly, commercial cultivars were genetically closer to C. eugenioides than C. canephora and C. racemosa. The great allelic richness observed in Ethiopian Arabica coffee, especially in Western group showed that these accessions can be potential source of new alleles to be explored by coffee breeding programs. |
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Palavras-Chave: |
Coffea spp; Cultivated and wild gene pools; Genetic diversity; Population structure and relationships; SSR markers. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/206427/1/Population-Structure-and-Genetic.pdf
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Marc: |
LEADER 02234naa a2200301 a 4500
001 2116279
005 2019-12-09
008 2019 bl uuuu u00u1 u #d
100 1 $aSILVA, B. S. R. da
245 $aPopulation structure and genetic relationships between Ethiopian and Brazilian Coffea arabica genotypes revealed by SSR markers.$h[electronic resource]
260 $c2019
520 $agenotypes is highly relevant to optimize the use of genetic resources for breeding purposes. In this study, we evaluated genetic diversity, clustering analysis based on Jaccard?s coefficient and population structure in 33 genotypes of C. arabica and of three diploid Coffea species (C. canephora, C. eugenioides and C. racemosa) using 30 SSR markers. A total of 206 alleles were identified, with a mean of 6.9 over all loci. The set of SSR markers was able to discriminate all genotypes and revealed that Ethiopian accessions presented higher genetic diversity than commercial varieties. Population structure analysis indicated two genetic groups, one corresponding to Ethiopian accessions and another corresponding predominantly to commercial cultivars. Thirty-four private alleles were detected in the group of accessions collected from West side of Great Rift Valley. We observed a lower average genetic distance of the C. arabica genotypes in relation to C. eugenioides than C. canephora. Interestingly, commercial cultivars were genetically closer to C. eugenioides than C. canephora and C. racemosa. The great allelic richness observed in Ethiopian Arabica coffee, especially in Western group showed that these accessions can be potential source of new alleles to be explored by coffee breeding programs.
653 $aCoffea spp
653 $aCultivated and wild gene pools
653 $aGenetic diversity
653 $aPopulation structure and relationships
653 $aSSR markers
700 1 $aSANT'ANA, G. C.
700 1 $aCHAVES, C. L.
700 1 $aANDROCIOLI, L. G.
700 1 $aFERREIRA, R. V.
700 1 $aSERA, G. H.
700 1 $aCHARMETANT, P.
700 1 $aLEROY, T.
700 1 $aPOT, D.
700 1 $aDOMINGUES, D. S.
700 1 $aPEREIRA, L. F. P.
773 $tGenetica$gv. 147, n. 2, p. 205–216, April 2019.
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Registro original: |
Embrapa Café (CNPCa) |
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