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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
22/02/2013 |
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Data da última atualização: |
10/11/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MOURA, E. F.; OLIVEIRA, M. S. P. de. |
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Afiliação: |
ELISA FERREIRA MOURA CUNHA, CPATU; MARIA DO SOCORRO P DE OLIVEIRA, CPATU. |
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Título: |
Genetic diversity in a germplasm bank of Oenocarpus mapora (Arecaceae). |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Genetics and Molecular Research, v. 11, n. 4, p. 4008-4018, 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
Oenocarpus mapora is an Amazonian palm species commonly used by native populations for food and in folk medicine. We measured genetic variability, using RAPD markers, of material kept in a germplasm bank composed of accessions sampled from the Brazilian Amazon. These included 74 individuals from 23 accessions sampled from 9 localities in three States of the Brazilian Amazon. Jaccard genetic similarities were calculated based on 137 polymorphic bands, amplified by 15 primers. Dendrograms constructed based on the genetic similarities among individuals and sample localities demonstrated genetic separation of Acre State from the States of Amazonas and Pará. Two models in three hierarchical levels were considered for AMOVA: one considering the grouping of sampling sites in each state, and the other considering sampling sites in each subgroup formed by the dendrograms. The first model showed no significant genetic variation among states. On the other hand, genetic variation among subgroups was significant. In this model, the within-sample-site genetic diversity was 47.15%, which is considered to be low, since O. mapora is allogamous. By means of Bayesian analysis, the sample sites were clustered into five groups, and their distribution was similar to what we found in the dendrograms based on genetic similarity. |
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Palavras-Chave: |
Amova; Oenocarpus mapora; RAPD. |
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Thesagro: |
Genética vegetal; Germoplasma. |
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Thesaurus Nal: |
Arecaceae. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/77109/1/gmr2315.pdf
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Marc: |
LEADER 01912naa a2200205 a 4500
001 1950687
005 2022-11-10
008 2012 bl uuuu u00u1 u #d
100 1 $aMOURA, E. F.
245 $aGenetic diversity in a germplasm bank of Oenocarpus mapora (Arecaceae).$h[electronic resource]
260 $c2012
520 $aOenocarpus mapora is an Amazonian palm species commonly used by native populations for food and in folk medicine. We measured genetic variability, using RAPD markers, of material kept in a germplasm bank composed of accessions sampled from the Brazilian Amazon. These included 74 individuals from 23 accessions sampled from 9 localities in three States of the Brazilian Amazon. Jaccard genetic similarities were calculated based on 137 polymorphic bands, amplified by 15 primers. Dendrograms constructed based on the genetic similarities among individuals and sample localities demonstrated genetic separation of Acre State from the States of Amazonas and Pará. Two models in three hierarchical levels were considered for AMOVA: one considering the grouping of sampling sites in each state, and the other considering sampling sites in each subgroup formed by the dendrograms. The first model showed no significant genetic variation among states. On the other hand, genetic variation among subgroups was significant. In this model, the within-sample-site genetic diversity was 47.15%, which is considered to be low, since O. mapora is allogamous. By means of Bayesian analysis, the sample sites were clustered into five groups, and their distribution was similar to what we found in the dendrograms based on genetic similarity.
650 $aArecaceae
650 $aGenética vegetal
650 $aGermoplasma
653 $aAmova
653 $aOenocarpus mapora
653 $aRAPD
700 1 $aOLIVEIRA, M. S. P. de
773 $tGenetics and Molecular Research$gv. 11, n. 4, p. 4008-4018, 2012.
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Embrapa Amazônia Oriental (CPATU) |
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