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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
25/08/2022 |
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Data da última atualização: |
05/09/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
STEINBERG, R. S.; CARVALHO, M. R. S.; ROSSE, I. C.; MACHADO, M. A.; PEIXOTO, M. G. C. D. |
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Afiliação: |
Instituto Federal de Minas Gerais; Universidade Federal de Minas Gerais; Universidade Federal de Ouro Preto; MARCO ANTONIO MACHADO, CNPGL; MARIA GABRIELA CAMPOLINA D PEIXOTO, CNPGL. |
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Título: |
Polymorphisms in genes coding milk proteins and protein hormones involved in milk production traits in Brazilian Guzerá cattle. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Genetics and Molecular Research, v. 21, n. 3, gmr19046, 2022. |
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Idioma: |
Inglês |
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Conteúdo: |
Research on genes affecting phenotypic variation in milk production and composition from indicine (Bos indicus) cattle is imperative, since these breeds are important tropical genetic resources, and there have been few studies investigating the genetic basis of these traits. We identified polymorphisms in k-casein (CSN3), b-lactoglobulin (LGB), thyroglobulin (TG) and prolactin (PRL) and examined their effect on milk and composition traits in the Guzerá breed. DNA samples of 260 Guzerá cattle selected for dual purpose use were genotyped. Allele frequencies observed for the A allele were 0.83, 0.18 and 0.25 respectively for CSN3, LGB and PRL genes, while for the TG gene T allele had an allele frequency of 0.09. For all polymorphisms evaluated, observed genotypic frequencies were in agreement with those expected according to the Hardy-Weinberg Equilibrium hypothesis. A polymorphism association study evaluated breeding values (BV) for 305-day milk (BV-M), fat (BV-F), and protein (BV-P) production, employing the allele substitution model using a sample of 139 cows belonged to 27 full and half-sib families of a MOET (multiple ovulation and embryo transfer) selection nucleus. Association was found between the LGB polymorphism and BV-M, BV-F and BV-P. Animals with LGB AA genotype have, on average, higher BV when compared to animals with LGB AB and BB genotypes (277.85 kg for BV-M, 12.09 kg for BV-F and 9.33 kg for BV-P). These findings contribute to a better understanding on the influence of these polymorphisms on milk production traits in Guzerá cattle. MenosResearch on genes affecting phenotypic variation in milk production and composition from indicine (Bos indicus) cattle is imperative, since these breeds are important tropical genetic resources, and there have been few studies investigating the genetic basis of these traits. We identified polymorphisms in k-casein (CSN3), b-lactoglobulin (LGB), thyroglobulin (TG) and prolactin (PRL) and examined their effect on milk and composition traits in the Guzerá breed. DNA samples of 260 Guzerá cattle selected for dual purpose use were genotyped. Allele frequencies observed for the A allele were 0.83, 0.18 and 0.25 respectively for CSN3, LGB and PRL genes, while for the TG gene T allele had an allele frequency of 0.09. For all polymorphisms evaluated, observed genotypic frequencies were in agreement with those expected according to the Hardy-Weinberg Equilibrium hypothesis. A polymorphism association study evaluated breeding values (BV) for 305-day milk (BV-M), fat (BV-F), and protein (BV-P) production, employing the allele substitution model using a sample of 139 cows belonged to 27 full and half-sib families of a MOET (multiple ovulation and embryo transfer) selection nucleus. Association was found between the LGB polymorphism and BV-M, BV-F and BV-P. Animals with LGB AA genotype have, on average, higher BV when compared to animals with LGB AB and BB genotypes (277.85 kg for BV-M, 12.09 kg for BV-F and 9.33 kg for BV-P). These findings contribute to a better understanding on the inf... Mostrar Tudo |
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Palavras-Chave: |
Molecular markers; PCR-RFLP; QTL. |
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Thesagro: |
Bos Indicus; Bovino; Gado Leiteiro; Marcador Molecular. |
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Thesaurus Nal: |
Dairy cattle; Molecular genetics. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1145748/1/Polymorphisms-in-genes-coding-milk-proteins-and-protein-hormones.pdf
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Marc: |
LEADER 02405naa a2200277 a 4500
001 2145748
005 2022-09-05
008 2022 bl uuuu u00u1 u #d
100 1 $aSTEINBERG, R. S.
245 $aPolymorphisms in genes coding milk proteins and protein hormones involved in milk production traits in Brazilian Guzerá cattle.$h[electronic resource]
260 $c2022
520 $aResearch on genes affecting phenotypic variation in milk production and composition from indicine (Bos indicus) cattle is imperative, since these breeds are important tropical genetic resources, and there have been few studies investigating the genetic basis of these traits. We identified polymorphisms in k-casein (CSN3), b-lactoglobulin (LGB), thyroglobulin (TG) and prolactin (PRL) and examined their effect on milk and composition traits in the Guzerá breed. DNA samples of 260 Guzerá cattle selected for dual purpose use were genotyped. Allele frequencies observed for the A allele were 0.83, 0.18 and 0.25 respectively for CSN3, LGB and PRL genes, while for the TG gene T allele had an allele frequency of 0.09. For all polymorphisms evaluated, observed genotypic frequencies were in agreement with those expected according to the Hardy-Weinberg Equilibrium hypothesis. A polymorphism association study evaluated breeding values (BV) for 305-day milk (BV-M), fat (BV-F), and protein (BV-P) production, employing the allele substitution model using a sample of 139 cows belonged to 27 full and half-sib families of a MOET (multiple ovulation and embryo transfer) selection nucleus. Association was found between the LGB polymorphism and BV-M, BV-F and BV-P. Animals with LGB AA genotype have, on average, higher BV when compared to animals with LGB AB and BB genotypes (277.85 kg for BV-M, 12.09 kg for BV-F and 9.33 kg for BV-P). These findings contribute to a better understanding on the influence of these polymorphisms on milk production traits in Guzerá cattle.
650 $aDairy cattle
650 $aMolecular genetics
650 $aBos Indicus
650 $aBovino
650 $aGado Leiteiro
650 $aMarcador Molecular
653 $aMolecular markers
653 $aPCR-RFLP
653 $aQTL
700 1 $aCARVALHO, M. R. S.
700 1 $aROSSE, I. C.
700 1 $aMACHADO, M. A.
700 1 $aPEIXOTO, M. G. C. D.
773 $tGenetics and Molecular Research$gv. 21, n. 3, gmr19046, 2022.
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Registro original: |
Embrapa Gado de Leite (CNPGL) |
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| 2. |  | ARAÚJO, L. F. de; ALMEIDA, W. S. de; BERTINI, C. H. C. de M.; VIDAL NETO, F. das C.; BLEICHER, E. Correlations and path analysis in components of fiber yield in cultivars of upland cotton. Bragantia, Campinas, v. 71, n. 3, p. 328-335, 2012.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Agroindústria Tropical. |
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| 3. | | ARAÚJO, L. F. de; BARROS, J. R. A.; BARROS, J. R.; BEZERRA, M. A.; ANGELOTTI, F. Desenvolvimento inicial e trocas gasosas do meloeiro sob temperatura elevada. In: SIMPÓSIO DE MUDANÇAS CLIMÁTICAS E DESERTIFICAÇÃO NO SEMIÁRIDO BRASILEIRO, 4., 2015, Petrolina. Experiências e oportunidades para o desenvolvimento. Petrolina: Embrapa Semiárido, 2015. 1 CD-ROM. (Embrapa Semiárido. Documentos, 262).| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Semiárido. |
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| 5. | | ARAUJO, L. F. de; SILVA, A. G. da; CRUZ, I.; CARMO, E. L. do; HORVATH NETO, A.; GOULART, M. M. P.; RATTES, J. F. Flutuação populacional de Spodoptera frugiperda (J. E. Smith), Diatraea saccharalis (Fabricius) e Doru luteipes (Scuder) em milho convencional e transgênico Bt. Revista Brasileira de Milho e Sorgo, Sete Lagoas, v. 10, n. 3, p. 205-214, 2011.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 3 |
| Biblioteca(s): Embrapa Milho e Sorgo. |
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