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 | Acesso ao texto completo restrito à biblioteca da Embrapa Recursos Genéticos e Biotecnologia. Para informações adicionais entre em contato com cenargen.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Meio-Norte; Embrapa Recursos Genéticos e Biotecnologia; Embrapa Roraima; Embrapa Tabuleiros Costeiros. |
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Data corrente: |
18/06/2021 |
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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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Autoria: |
PAIM, T. P.; PAIVA, S. R.; TOLEDO, N. M. de; YAMAGHISHI, M. 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: |
Universidade de Brasília (UnB) - Brasília, DF, Brazil.; SAMUEL REZENDE PAIVA, Cenargen; Universidade de Brasília (UnB) - Brasília, DF, Brazil.; 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; Universidade de Brasília (UnB) - Brasília, DF, Brazil. |
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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, 2021. |
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DOI: |
10.1111/age.1309 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Brazilian hair sheep constitute a genetic diversity hotspot. These animals are found in theharsh environments of the Brazilian Northwest (semi-arid) region. Genotypes (50K SNPchip) from seven Brazilian sheep breeds (five hair and two coarse wool types) and 87worldwide breeds were used to test for population structure, admixture and geneticdiversity. Moreover, phylogenetic trees evaluating migration events between genetic groupswere built. Brazilian Somali, a fat-tailed breed, had a close relationship with East Africanbreeds and clustered distinctly from other Brazilian breeds. Brazilian Blackbelly andBarbados Blackbelly had a close relationship. The Morada Nova breed did not show closerelationships with European or African breeds, revealing a single migration event from anAlgerian hair breed. Brazilian Fat-tail and Morada Nova share a common ancestor, but theformer showed introgressions from Brazilian Somali and Afrikaner breeds, explaining thefat-tail phenotype. The Santa In^es breed received a substantial contribution from BrazilianBergamasca and showed an admixed origin with recent introgressions from other breeds,mainly from Suffolk. Furthermore, Brazilian Somali and Brazilian Fat-tail are the mostendangered sheep genetic resources in Brazil and should be the focus forex situconservation programs. In conclusion, Brazilian hair sheep show an African origin and arecharacterized by diverse genetic composition, reinforcing the need for conservation of thesegenetic resources, and at the same time, this highly diverse group has variability that can beused in breeding programs. MenosAbstract: Brazilian hair sheep constitute a genetic diversity hotspot. These animals are found in theharsh environments of the Brazilian Northwest (semi-arid) region. Genotypes (50K SNPchip) from seven Brazilian sheep breeds (five hair and two coarse wool types) and 87worldwide breeds were used to test for population structure, admixture and geneticdiversity. Moreover, phylogenetic trees evaluating migration events between genetic groupswere built. Brazilian Somali, a fat-tailed breed, had a close relationship with East Africanbreeds and clustered distinctly from other Brazilian breeds. Brazilian Blackbelly andBarbados Blackbelly had a close relationship. The Morada Nova breed did not show closerelationships with European or African breeds, revealing a single migration event from anAlgerian hair breed. Brazilian Fat-tail and Morada Nova share a common ancestor, but theformer showed introgressions from Brazilian Somali and Afrikaner breeds, explaining thefat-tail phenotype. The Santa In^es breed received a substantial contribution from BrazilianBergamasca and showed an admixed origin with recent introgressions from other breeds,mainly from Suffolk. Furthermore, Brazilian Somali and Brazilian Fat-tail are the mostendangered sheep genetic resources in Brazil and should be the focus forex situconservation programs. In conclusion, Brazilian hair sheep show an African origin and arecharacterized by diverse genetic composition, reinforcing the need for conservation of thesegeneti... Mostrar Tudo |
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Palavras-Chave: |
Conservation genetics. |
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Thesagro: |
Ovis Aries. |
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Thesaurus Nal: |
Animal genetic resources; Gene flow; Genetic markers; Genomics; Population genetics. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02539naa a2200337 a 4500
001 2133653
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
520 $aAbstract: Brazilian hair sheep constitute a genetic diversity hotspot. These animals are found in theharsh environments of the Brazilian Northwest (semi-arid) region. Genotypes (50K SNPchip) from seven Brazilian sheep breeds (five hair and two coarse wool types) and 87worldwide breeds were used to test for population structure, admixture and geneticdiversity. Moreover, phylogenetic trees evaluating migration events between genetic groupswere built. Brazilian Somali, a fat-tailed breed, had a close relationship with East Africanbreeds and clustered distinctly from other Brazilian breeds. Brazilian Blackbelly andBarbados Blackbelly had a close relationship. The Morada Nova breed did not show closerelationships with European or African breeds, revealing a single migration event from anAlgerian hair breed. Brazilian Fat-tail and Morada Nova share a common ancestor, but theformer showed introgressions from Brazilian Somali and Afrikaner breeds, explaining thefat-tail phenotype. The Santa In^es breed received a substantial contribution from BrazilianBergamasca and showed an admixed origin with recent introgressions from other breeds,mainly from Suffolk. Furthermore, Brazilian Somali and Brazilian Fat-tail are the mostendangered sheep genetic resources in Brazil and should be the focus forex situconservation programs. In conclusion, Brazilian hair sheep show an African origin and arecharacterized by diverse genetic composition, reinforcing the need for conservation of thesegenetic resources, and at the same time, this highly diverse group has variability that can beused in breeding programs.
650 $aAnimal genetic resources
650 $aGene flow
650 $aGenetic markers
650 $aGenomics
650 $aPopulation genetics
650 $aOvis Aries
653 $aConservation genetics
700 1 $aPAIVA, S. R.
700 1 $aTOLEDO, N. M. de
700 1 $aYAMAGHISHI, M. 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, 2021.
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| 1. |  | ARAUJO, A. M. de. A cabra Nambi. Disponível em: . Acesso em: 8 fev. 2007. Disponível em papel na biblioteca do CPAMN.| Tipo: Artigo de Divulgação na Mídia |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 7. | | ARAUJO, A. M. de. Melhoramento genético. 2. ed. In: CHAPAVAL, L.; OLIVEIRA, A. A. da F.; ALVES, F. S. F.; PINHEIRO, A. A.; ARAUJO, A. M. de; FERNANDES, C. de S. Manual do produtor de cabras leiteiras. Viçosa, MG: Aprenda Fácil, 2017. Cap.4, p. 85-91.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 12. | | ARAÚJO, A. M. de; RIBEIRO, F. L. Caprinos do Nordeste têm diferenciação genética. Jornal Agrosoft. Seção artigos, 22 jul. 2008., Seção Ovinos e Caprinos, 17 jul. 2008. Disponível em: . Disponível também em: http://www.agrolink.com.br/noticias/NoticiaDetalhe.aspx?codNoticia=72665; Diário do Povo, Teresina, 07 ago. 2008. Opinião, p. 2; Jornal Cabra&Ovelha, ano 3, ago., 2008. p. 52; O Dia, Teresina, 27 jul. 2008;...| Tipo: Artigo de Divulgação na Mídia |
| Biblioteca(s): Embrapa Caprinos e Ovinos. |
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| 13. | | ARAÚJO, A. M. de; RIBEIRO, F. L. Caprinos do Nordeste têm diferenciação genética. Agrosoft Brasil. Disponível em: Acesso em: 22 jul. 2008. Disponível também em:
http://www.agrolink.com.br/noticias/NoticiaDetalhe.aspx?codNoticia=72665;
Diário do Povo, Teresina, 07 ago. 2008. Opinião, p. 2;
Jornal Cabra&Ovelha, ano 3, ago., 2008. p. 52;
O Dia, Teresina, 27 jul. 2008;...| Tipo: Artigo de Divulgação na Mídia |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 16. | | CHAPAVAL, L.; ARAUJO, A. M. de. Principais raças caprinas leiteiras. In: CHAPAVAL, L.; OLIVEIRA, A. A. da F.; ALVES, F. S. F.; PINHEIRO, A. A.; ARAUJO, A. M. de; FERNANDES, C. de S. Manual do produtor de cabras leiteiras. 2. ed. Viçosa, MG: Aprenda Fácil, 2017. cap.1, p. 21-33.| Tipo: Capítulo em Livro Técnico-Científico |
| Biblioteca(s): Embrapa Meio-Norte; Embrapa Pecuária Sudeste. |
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| Registros recuperados : 231 | |
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