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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agricultura Digital. Para informações adicionais entre em contato com cnptia.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agricultura Digital; Embrapa Caprinos e Ovinos. |
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Data corrente: |
17/08/2021 |
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Data da última atualização: |
17/08/2021 |
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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: |
PAIM, T. P.; PAIVA, S. R.; TOLEDO, N. M. de; YAMAGISHI, M. E. B.; CARNEIRO, P. L. S.; FACO, O.; ARAUJO, A. M. de; AZEVEDO, H. C.; CAETANO, A. R.; BRAGA, R. M.; McMANUS, C. |
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Afiliação: |
UnB; SAMUEL REZENDE PAIVA, Cenargen; UnB; MICHEL EDUARDO BELEZA YAMAGISHI, CNPTIA; Universidade Estadual do Sudoeste da Bahia (Uesb) - Jequié, BA, Brazil; OLIVARDO FACO, CNPC; ADRIANA MELLO DE ARAUJO, CPAMN; HYMERSON COSTA AZEVEDO, CPATC; ALEXANDRE RODRIGUES CAETANO, Cenargen; RAMAYANA MENEZES BRAGA, CPAF-RR; UnB. |
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Título: |
Origin and population structure of Brazilian hair sheep breeds. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Animal Genetics, v. 52, n. 4, p. 492-504, Aug. 2021. |
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DOI: |
10.1111/age.1309 |
|
Idioma: |
Inglês |
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Notas: |
Na publicação: M. B. Yamaghishi. |
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Conteúdo: |
Summary. Brazilian hair sheep constitute a genetic diversity hotspot. These animals are found in the harsh environments of the Brazilian Northwest (semi-arid) region. Genotypes (50K SNP chip) from seven Brazilian sheep breeds (five hair and two coarse wool types) and 87 worldwide breeds were used to test for population structure, admixture and genetic
diversity. Moreover, phylogenetic trees evaluating migration events between genetic groups were built. Brazilian Somali, a fat-tailed breed, had a close relationship with East African
breeds and clustered distinctly from other Brazilian breeds. Brazilian Blackbelly and Barbados Blackbelly had a close relationship. The Morada Nova breed did not show close relationships with European or African breeds, revealing a single migration event from an Algerian hair breed. Brazilian Fat-tail and Morada Nova share a common ancestor, but the former showed introgressions from Brazilian Somali and Afrikaner breeds, explaining the fat-tail phenotype. The Santa In^es breed received a substantial contribution from Brazilian Bergamasca and showed an admixed origin with recent introgressions from other breeds, mainly from Suffolk. Furthermore, Brazilian Somali and Brazilian Fat-tail are the most endangered sheep genetic resources in Brazil and should be the focus for ex situ conservation programs. In conclusion, Brazilian hair sheep show an African origin and are characterized by diverse genetic composition, reinforcing the need for conservation of these genetic resources, and at the same time, this highly diverse group has variability that can be used in breeding programs. MenosSummary. Brazilian hair sheep constitute a genetic diversity hotspot. These animals are found in the harsh environments of the Brazilian Northwest (semi-arid) region. Genotypes (50K SNP chip) from seven Brazilian sheep breeds (five hair and two coarse wool types) and 87 worldwide breeds were used to test for population structure, admixture and genetic
diversity. Moreover, phylogenetic trees evaluating migration events between genetic groups were built. Brazilian Somali, a fat-tailed breed, had a close relationship with East African
breeds and clustered distinctly from other Brazilian breeds. Brazilian Blackbelly and Barbados Blackbelly had a close relationship. The Morada Nova breed did not show close relationships with European or African breeds, revealing a single migration event from an Algerian hair breed. Brazilian Fat-tail and Morada Nova share a common ancestor, but the former showed introgressions from Brazilian Somali and Afrikaner breeds, explaining the fat-tail phenotype. The Santa In^es breed received a substantial contribution from Brazilian Bergamasca and showed an admixed origin with recent introgressions from other breeds, mainly from Suffolk. Furthermore, Brazilian Somali and Brazilian Fat-tail are the most endangered sheep genetic resources in Brazil and should be the focus for ex situ conservation programs. In conclusion, Brazilian hair sheep show an African origin and are characterized by diverse genetic composition, reinforcing the need for conservation ... Mostrar Tudo |
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Palavras-Chave: |
Conservation genetics; Genética de conservação; Genômica; Marcadores moleculares; Migração; Molecular markers; Raças de ovelhas; Recursos genéticos animais. |
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Thesagro: |
Ovelha; Ovis Aries. |
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Thesaurus NAL: |
Animal genetic resources; Gene flow; Genetic markers; Genomics; Population genetics; Sheep breeds. |
|
Categoria do assunto: |
G Melhoramento Genético |
|
Marc: |
LEADER 02912naa a2200457 a 4500
001 2133638
005 2021-08-17
008 2021 bl uuuu u00u1 u #d
024 7 $a10.1111/age.1309$2DOI
100 1 $aPAIM, T. P.
245 $aOrigin and population structure of Brazilian hair sheep breeds.$h[electronic resource]
260 $c2021
500 $aNa publicação: M. B. Yamaghishi.
520 $aSummary. Brazilian hair sheep constitute a genetic diversity hotspot. These animals are found in the harsh environments of the Brazilian Northwest (semi-arid) region. Genotypes (50K SNP chip) from seven Brazilian sheep breeds (five hair and two coarse wool types) and 87 worldwide breeds were used to test for population structure, admixture and genetic diversity. Moreover, phylogenetic trees evaluating migration events between genetic groups were built. Brazilian Somali, a fat-tailed breed, had a close relationship with East African breeds and clustered distinctly from other Brazilian breeds. Brazilian Blackbelly and Barbados Blackbelly had a close relationship. The Morada Nova breed did not show close relationships with European or African breeds, revealing a single migration event from an Algerian hair breed. Brazilian Fat-tail and Morada Nova share a common ancestor, but the former showed introgressions from Brazilian Somali and Afrikaner breeds, explaining the fat-tail phenotype. The Santa In^es breed received a substantial contribution from Brazilian Bergamasca and showed an admixed origin with recent introgressions from other breeds, mainly from Suffolk. Furthermore, Brazilian Somali and Brazilian Fat-tail are the most endangered sheep genetic resources in Brazil and should be the focus for ex situ conservation programs. In conclusion, Brazilian hair sheep show an African origin and are characterized by diverse genetic composition, reinforcing the need for conservation of these genetic resources, and at the same time, this highly diverse group has variability that can be used in breeding programs.
650 $aAnimal genetic resources
650 $aGene flow
650 $aGenetic markers
650 $aGenomics
650 $aPopulation genetics
650 $aSheep breeds
650 $aOvelha
650 $aOvis Aries
653 $aConservation genetics
653 $aGenética de conservação
653 $aGenômica
653 $aMarcadores moleculares
653 $aMigração
653 $aMolecular markers
653 $aRaças de ovelhas
653 $aRecursos genéticos animais
700 1 $aPAIVA, S. R.
700 1 $aTOLEDO, N. M. de
700 1 $aYAMAGISHI, M. E. B.
700 1 $aCARNEIRO, P. L. S.
700 1 $aFACO, O.
700 1 $aARAUJO, A. M. de
700 1 $aAZEVEDO, H. C.
700 1 $aCAETANO, A. R.
700 1 $aBRAGA, R. M.
700 1 $aMcMANUS, C.
773 $tAnimal Genetics$gv. 52, n. 4, p. 492-504, Aug. 2021.
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