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| Registros recuperados : 343 | |
| Registros recuperados : 343 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sul. |
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Data corrente: |
23/08/2018 |
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Data da última atualização: |
23/08/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
HENKES, L. E.; SILVA JUNIOR, W. A.; MORAES, J. C. F.; WEIMER, T. A. |
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Afiliação: |
Luiz Ernani Henkes, UFRGS; Wilson Araújo Silva Junior, CTC; JOSE CARLOS FERRUGEM MORAES, CPPSUL; Tania Azevedo Weimer, UFRGS. |
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Título: |
Mitochondrial control region genetic diversity and maternal ancestry of a Brangus-Ibage cattle populations. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Genetics and Molecular Biology, v. 28, n. 1, p. 60-66, 2005. |
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Idioma: |
Inglês |
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Conteúdo: |
The genetic diversity of 277 nucleotides in the mitochondrial DNA control region (nt 15,964 to 16,240 in reference sequence) was analyzed in crossbreed beef cattle (Brangus-Ibage, 5/8 Bos primigenius taurus x 3/8 Bos primigenius indicus) as well as in some Nellore samples (B. p. indicus). Fifty-seven mutations were found in Brangus-Ibage comprising 18 haplotypes (haplotype diversity, h = 0.851 ± 0.041 and nucleotide diversity, ntd = 0.009 ± 0.006) and 66 in Nellore (h = 1.00 ± 0.27, ntd = 0.014 ± 0.012). These data indicated sequence identities of 99.6 and 92.1% between the B. p. taurus' reference sequence and Brangus-Ibage and Nellore, respectively. The comparison of our data with sequence data for 612 individuals recovered from GenBank showed a total of 205 haplotypes defined by 99 polymorphic sites. Most of the variability (53%) was due to differentiation within breeds. The phylogenetic tree constructed using the neighbor-joining method showed clearly the well-known dichotomy between B. p. taurus and B. p. indicus. The Brangus-Ibage clustered with B. p. taurus lineages; however, the displacement of Nellore from B. p. indicus branch probably indicates a substantial B. p. taurus maternal ancestry in some Nellore samples (obtained from GenBank) and reflects the primarily male-driven introduction of this breed in Brazil. |
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Palavras-Chave: |
Brangus-Ibage. |
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Thesagro: |
Bovino; DNA; Linhagem; Mitocôndria. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/181855/1/Henkes-2005-Mitochondrial-control-region.pdf
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Marc: |
LEADER 01985naa a2200217 a 4500
001 2094446
005 2018-08-23
008 2005 bl uuuu u00u1 u #d
100 1 $aHENKES, L. E.
245 $aMitochondrial control region genetic diversity and maternal ancestry of a Brangus-Ibage cattle populations.$h[electronic resource]
260 $c2005
520 $aThe genetic diversity of 277 nucleotides in the mitochondrial DNA control region (nt 15,964 to 16,240 in reference sequence) was analyzed in crossbreed beef cattle (Brangus-Ibage, 5/8 Bos primigenius taurus x 3/8 Bos primigenius indicus) as well as in some Nellore samples (B. p. indicus). Fifty-seven mutations were found in Brangus-Ibage comprising 18 haplotypes (haplotype diversity, h = 0.851 ± 0.041 and nucleotide diversity, ntd = 0.009 ± 0.006) and 66 in Nellore (h = 1.00 ± 0.27, ntd = 0.014 ± 0.012). These data indicated sequence identities of 99.6 and 92.1% between the B. p. taurus' reference sequence and Brangus-Ibage and Nellore, respectively. The comparison of our data with sequence data for 612 individuals recovered from GenBank showed a total of 205 haplotypes defined by 99 polymorphic sites. Most of the variability (53%) was due to differentiation within breeds. The phylogenetic tree constructed using the neighbor-joining method showed clearly the well-known dichotomy between B. p. taurus and B. p. indicus. The Brangus-Ibage clustered with B. p. taurus lineages; however, the displacement of Nellore from B. p. indicus branch probably indicates a substantial B. p. taurus maternal ancestry in some Nellore samples (obtained from GenBank) and reflects the primarily male-driven introduction of this breed in Brazil.
650 $aBovino
650 $aDNA
650 $aLinhagem
650 $aMitocôndria
653 $aBrangus-Ibage
700 1 $aSILVA JUNIOR, W. A.
700 1 $aMORAES, J. C. F.
700 1 $aWEIMER, T. A.
773 $tGenetics and Molecular Biology$gv. 28, n. 1, p. 60-66, 2005.
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Embrapa Pecuária Sul (CPPSUL) |
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