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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
01/03/2000 |
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Data da última atualização: |
15/12/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
REGITANO, L. C. de A.; AZEVEDO, J. L.; VENCOVSKY, R.; PACKER, I. U.; BARBOSA, P. F.; ROSA, A. J. M; SILVA, N. A.; ETCHEGARAY, M. A. L.; COUTINHO, L. L. |
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Afiliação: |
LUCIANA CORREIA DE ALMEIDA REGITANO, CPPSE; J. L. AZEVEDO, USP-ESALQ; R. VENCOVSKY, USP-ESALQ; IRINEU U. PACKER, USP-ESALQ; PEDRO FRANKLIN BARBOSA, CPPSE; A. J. M. ROSA, USP-ESALQ; N. A. SILVA, USP-ESALQ; M. A. L. ETCHEGARAY, USP-ESALQ; L. L. COUTINHO, USP-ESALQ. |
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Título: |
Selection for breed-specific growth hormone and igf-l alleles in a synthetic beef cattle cross, Canchim. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
Genetics and Molecular Biology, Ribeirão Preto, SP, v.22, n.4, p.531-537, 1999. |
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Idioma: |
Inglês |
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Conteúdo: |
This study was developed to evaluate selection effects on gene frequencies in a synthetic beef cattle cross (5/8 Charolais, 5/8 Zebu) named Canchim. A sample of 154 Canchim animals, representing three generation classes, was analyzed for seven molecular markers. Thirty-six Charolais cattle were also studied for comparison. A highly significant variation (P < 0.01), with a linear increase of the allele coding for valine at position 127 of the growth hormone peptide, was a linear increase of the allele coding for valine at position 127 of the growth hormone peptide, was observed through generations. This allele was found in the Charolais sample but is not observed in Brazilian Bos indicus breeds. Four alleles were found for a microsatellite in the 5' flanking region of insulin-like growth factor I gene in Canchim. Allele sizes ranged from 231 to 225 bp. There was a significant (P < 0.05) nonlinear increase in the 225-bp allele frequency. This allele was not observed in Charolais. Six alleles were observed for microsatellite CSFM50 in the Canchim population. A significant (P <0.05) linear reduction of the 168-bp allele was observed over the generations. The hypothesis of preferential mating for growth hormone polymorphism was supported by Wright's F-statistics. Estimated F"value for growth hormone was 0.59 (P < 0.01). These results suggest that selection influenced three out of seven loci analyzed. The simultaneous increases of a Bos taurus-specific growth hormone allele and a Bos indicus-specific insulin-like growth factor I allele indicate that phenotypic selection favored different regions of both genomes. MenosThis study was developed to evaluate selection effects on gene frequencies in a synthetic beef cattle cross (5/8 Charolais, 5/8 Zebu) named Canchim. A sample of 154 Canchim animals, representing three generation classes, was analyzed for seven molecular markers. Thirty-six Charolais cattle were also studied for comparison. A highly significant variation (P < 0.01), with a linear increase of the allele coding for valine at position 127 of the growth hormone peptide, was a linear increase of the allele coding for valine at position 127 of the growth hormone peptide, was observed through generations. This allele was found in the Charolais sample but is not observed in Brazilian Bos indicus breeds. Four alleles were found for a microsatellite in the 5' flanking region of insulin-like growth factor I gene in Canchim. Allele sizes ranged from 231 to 225 bp. There was a significant (P < 0.05) nonlinear increase in the 225-bp allele frequency. This allele was not observed in Charolais. Six alleles were observed for microsatellite CSFM50 in the Canchim population. A significant (P <0.05) linear reduction of the 168-bp allele was observed over the generations. The hypothesis of preferential mating for growth hormone polymorphism was supported by Wright's F-statistics. Estimated F"value for growth hormone was 0.59 (P < 0.01). These results suggest that selection influenced three out of seven loci analyzed. The simultaneous increases of a Bos taurus-specific growth hormone allele and a ... Mostrar Tudo |
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Palavras-Chave: |
Breed-specific; Canchim; Cross; Cruzamento sintetico; Growth Hormone; Hormonio de crescimento. |
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Thesagro: |
Gado de Corte. |
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Thesaurus Nal: |
beef cattle. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02573naa a2200313 a 4500
001 1044695
005 2021-12-15
008 1999 bl uuuu u00u1 u #d
100 1 $aREGITANO, L. C. de A.
245 $aSelection for breed-specific growth hormone and igf-l alleles in a synthetic beef cattle cross, Canchim.$h[electronic resource]
260 $c1999
520 $aThis study was developed to evaluate selection effects on gene frequencies in a synthetic beef cattle cross (5/8 Charolais, 5/8 Zebu) named Canchim. A sample of 154 Canchim animals, representing three generation classes, was analyzed for seven molecular markers. Thirty-six Charolais cattle were also studied for comparison. A highly significant variation (P < 0.01), with a linear increase of the allele coding for valine at position 127 of the growth hormone peptide, was a linear increase of the allele coding for valine at position 127 of the growth hormone peptide, was observed through generations. This allele was found in the Charolais sample but is not observed in Brazilian Bos indicus breeds. Four alleles were found for a microsatellite in the 5' flanking region of insulin-like growth factor I gene in Canchim. Allele sizes ranged from 231 to 225 bp. There was a significant (P < 0.05) nonlinear increase in the 225-bp allele frequency. This allele was not observed in Charolais. Six alleles were observed for microsatellite CSFM50 in the Canchim population. A significant (P <0.05) linear reduction of the 168-bp allele was observed over the generations. The hypothesis of preferential mating for growth hormone polymorphism was supported by Wright's F-statistics. Estimated F"value for growth hormone was 0.59 (P < 0.01). These results suggest that selection influenced three out of seven loci analyzed. The simultaneous increases of a Bos taurus-specific growth hormone allele and a Bos indicus-specific insulin-like growth factor I allele indicate that phenotypic selection favored different regions of both genomes.
650 $abeef cattle
650 $aGado de Corte
653 $aBreed-specific
653 $aCanchim
653 $aCross
653 $aCruzamento sintetico
653 $aGrowth Hormone
653 $aHormonio de crescimento
700 1 $aAZEVEDO, J. L.
700 1 $aVENCOVSKY, R.
700 1 $aPACKER, I. U.
700 1 $aBARBOSA, P. F.
700 1 $aROSA, A. J. M
700 1 $aSILVA, N. A.
700 1 $aETCHEGARAY, M. A. L.
700 1 $aCOUTINHO, L. L.
773 $tGenetics and Molecular Biology, Ribeirão Preto, SP$gv.22, n.4, p.531-537, 1999.
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Embrapa Pecuária Sudeste (CPPSE) |
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| 3. |  | AROCA, R. V.; HERNANDES, A. C.; MAGALHAES, D. V.; BECKER, M.; VAZ, C. M. P.; CALBO, A. G. Application of standard EPC/GEN2 UHF RFID tags as soil moisture sensors. In: INTERNATIONAL ELECTRONIC CONFERENCE ON SENSORS AND APPLICATIONS - ECSA, 3., (online), 2016, [S. l.: s. n.], 2016. não paginado. (Sciforum electronic conference series; v. 3).| Tipo: Artigo em Anais de Congresso |
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| 6. | | AROCA, R. V.; HERNANDES, A. C.; MAGALHÃES, D. V.; BECKER, M.; VAZ, C. M. P.; CALBO, A. G. Calibration of passive UHF RFID tags using neural networks to measure soil moisture. Journal of Sensors, v. 2018, ID 3436503, p. 1-12, 2018.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
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| 8. | | ALMEIDA, J. M. P.; BONI, L. de; AVANSI, W.; RIBEIRO, C.; LONGO, E.; HERNANDES, A. C.; MENDONÇA, C. R. Generation of copper nanoparticles induced by fs-laser irradiation in borosilicate glass. Optics Express, Washington, v. 20, n. 14, p. 15106-15113, 2012.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| Registros recuperados : 15 | |
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