|
|
Registro Completo |
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
20/04/2010 |
Data da última atualização: |
24/03/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
ASSIS, J. B. de; LAAT, D. M. de; PEIXOTO, M. G. C. D.; BERGMANN, J. A. G.; FONSECA, C. G.; CARVALHO, M. R. S. |
Afiliação: |
J. B. DE ASSIS, UFMG; D. M. DE LAAT, UFMG; MARIA GABRIELA CAMPOLINA D PEIXOTO, CNPGL; JOSÉ AURÉLIO GARCIA BERGMANN, UFMG; C. G. FONSECA, UFMG; M. R. S. CARVALHO, UFMG. |
Título: |
Genetic diversity and population structure in Brazilian Mangalarga Marchador horses. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
Genetics and Molecular Research, v. 8, n. 4, p. 1519-1524, 2009. |
DOI: |
https://doi.org/10.4238/vol8-4gmr647 |
Idioma: |
Inglês |
Conteúdo: |
One hundred and fifteen unrelated Mangalarga Marchador horses were sampled from three geographically distinct regions of Minas Gerais State, Brazil (South, Southeast, and Northeast) and tested for 10 microsatellite loci. Genetic diversity and population structure parameters were estimated with ARLEQUIN 3.0, CERVUS 2.0, POPGENE 1.31, GENEPOP on the web, STRUCTURE 2.0, and SPAGEDI 1.2 software packages. Under Hardy-Weinberg assumptions, seven markers were at equilibrium (LEX014, LEX017, LEX019, SGCV23, TKY321, VHL20, and VIASH39), while two (ASB3 and LEX031) presented significant homozygote excess. Seventy-four alleles were identified in these nine markers, with a mean of 8.22 alleles. Mean heterozygosity was 0.637 and polymorphism information content was 0.662. Markers ASB3, LEX019, SGCV23, TKY321, and VHL20 were highly informative (PIC >0.7) and may be useful for eventual expansion of parentage test panels. The F(ST) value (0.0562) indicated relatively little geographical structure. However, based on a Bayesian-based cluster analysis under a three-cluster model, 94% of the 115 individuals were correctly assigned to the subpopulations from where they were sampled. Mean pairwise f was relatively high (0.11), and in spite of the efforts towards non-consanguineous sampling, 1% of the pairs of individuals shared over 50% of the alleles. These results strongly suggest that the population is genetically structured. Under a conservation genetics approach, two strategies are recommended: avoidance of crosses between highly endogamic individuals and stimulation of crosses between individuals from those regions for which low genetic flow was identified. MenosOne hundred and fifteen unrelated Mangalarga Marchador horses were sampled from three geographically distinct regions of Minas Gerais State, Brazil (South, Southeast, and Northeast) and tested for 10 microsatellite loci. Genetic diversity and population structure parameters were estimated with ARLEQUIN 3.0, CERVUS 2.0, POPGENE 1.31, GENEPOP on the web, STRUCTURE 2.0, and SPAGEDI 1.2 software packages. Under Hardy-Weinberg assumptions, seven markers were at equilibrium (LEX014, LEX017, LEX019, SGCV23, TKY321, VHL20, and VIASH39), while two (ASB3 and LEX031) presented significant homozygote excess. Seventy-four alleles were identified in these nine markers, with a mean of 8.22 alleles. Mean heterozygosity was 0.637 and polymorphism information content was 0.662. Markers ASB3, LEX019, SGCV23, TKY321, and VHL20 were highly informative (PIC >0.7) and may be useful for eventual expansion of parentage test panels. The F(ST) value (0.0562) indicated relatively little geographical structure. However, based on a Bayesian-based cluster analysis under a three-cluster model, 94% of the 115 individuals were correctly assigned to the subpopulations from where they were sampled. Mean pairwise f was relatively high (0.11), and in spite of the efforts towards non-consanguineous sampling, 1% of the pairs of individuals shared over 50% of the alleles. These results strongly suggest that the population is genetically structured. Under a conservation genetics approach, two strategies are recommen... Mostrar Tudo |
Palavras-Chave: |
Genetic diversity; Mangalarga Marhador horse; Popular genetic structure. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/697088/1/Genetic-diversity-and-population.pdf
|
Marc: |
LEADER 02414naa a2200229 a 4500 001 1697088 005 2023-03-24 008 2009 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.4238/vol8-4gmr647$2DOI 100 1 $aASSIS, J. B. de 245 $aGenetic diversity and population structure in Brazilian Mangalarga Marchador horses.$h[electronic resource] 260 $c2009 520 $aOne hundred and fifteen unrelated Mangalarga Marchador horses were sampled from three geographically distinct regions of Minas Gerais State, Brazil (South, Southeast, and Northeast) and tested for 10 microsatellite loci. Genetic diversity and population structure parameters were estimated with ARLEQUIN 3.0, CERVUS 2.0, POPGENE 1.31, GENEPOP on the web, STRUCTURE 2.0, and SPAGEDI 1.2 software packages. Under Hardy-Weinberg assumptions, seven markers were at equilibrium (LEX014, LEX017, LEX019, SGCV23, TKY321, VHL20, and VIASH39), while two (ASB3 and LEX031) presented significant homozygote excess. Seventy-four alleles were identified in these nine markers, with a mean of 8.22 alleles. Mean heterozygosity was 0.637 and polymorphism information content was 0.662. Markers ASB3, LEX019, SGCV23, TKY321, and VHL20 were highly informative (PIC >0.7) and may be useful for eventual expansion of parentage test panels. The F(ST) value (0.0562) indicated relatively little geographical structure. However, based on a Bayesian-based cluster analysis under a three-cluster model, 94% of the 115 individuals were correctly assigned to the subpopulations from where they were sampled. Mean pairwise f was relatively high (0.11), and in spite of the efforts towards non-consanguineous sampling, 1% of the pairs of individuals shared over 50% of the alleles. These results strongly suggest that the population is genetically structured. Under a conservation genetics approach, two strategies are recommended: avoidance of crosses between highly endogamic individuals and stimulation of crosses between individuals from those regions for which low genetic flow was identified. 653 $aGenetic diversity 653 $aMangalarga Marhador horse 653 $aPopular genetic structure 700 1 $aLAAT, D. M. de 700 1 $aPEIXOTO, M. G. C. D. 700 1 $aBERGMANN, J. A. G. 700 1 $aFONSECA, C. G. 700 1 $aCARVALHO, M. R. S. 773 $tGenetics and Molecular Research$gv. 8, n. 4, p. 1519-1524, 2009.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Gado de Leite (CNPGL) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
Registro Completo
Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
09/03/2018 |
Data da última atualização: |
23/03/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
ANDRADE, C. M.; TINOCO, M. L. P.; RIETH, A. F.; MAIA, F. C. O.; ARAGÃO, F. J. L. |
Afiliação: |
FRANCISCO JOSE LIMA ARAGAO, Cenargen. |
Título: |
Host-induced gene silencing in the necrotrophic fungal pathogen Sclerotinia sclerotiorum. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Plant Pathology, v. 65, p. 626-632, 2016. |
DOI: |
10.1111/ppa.12447 |
Idioma: |
Inglês |
Palavras-Chave: |
Fungus resistance; HIGS; White mould. |
Thesagro: |
Sclerotinia Sclerotiorum. |
Thesaurus NAL: |
Gene silencing. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/173733/1/Andrade-et-al-2016-Plant-Pathology.pdf
|
Marc: |
LEADER 00682naa a2200229 a 4500 001 2088872 005 2023-03-23 008 2016 bl uuuu u00u1 u #d 024 7 $a10.1111/ppa.12447$2DOI 100 1 $aANDRADE, C. M. 245 $aHost-induced gene silencing in the necrotrophic fungal pathogen Sclerotinia sclerotiorum.$h[electronic resource] 260 $c2016 650 $aGene silencing 650 $aSclerotinia Sclerotiorum 653 $aFungus resistance 653 $aHIGS 653 $aWhite mould 700 1 $aTINOCO, M. L. P. 700 1 $aRIETH, A. F. 700 1 $aMAIA, F. C. O. 700 1 $aARAGÃO, F. J. L. 773 $tPlant Pathology$gv. 65, p. 626-632, 2016.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
Nenhum registro encontrado para a expressão de busca informada. |
|
|