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 | Acesso ao texto completo restrito à biblioteca da Embrapa Suínos e Aves. Para informações adicionais entre em contato com cnpsa.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
10/06/2016 |
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Data da última atualização: |
10/06/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
VENTURA, H. T.; SILVA, F. F e; VARONA, L.; FIGUEIREDO, E. A. P. de; COSTA, E. V.; SILVA, L. P. da; VENTURA. R.; LOPES, P. S. |
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Afiliação: |
HENRIQUE TORRES VENTURA, UFV/ABCZ; FABYANO FONSECA E SILVA, UFV; LUIZ VARONA, Universidad de Zaragoza; ELSIO ANTONIO PEREIRA DE FIGUEIREDO, CNPSA; EDSON VINÍCIUS COSTA, UFV; LUCIANO PINHEIRO DA SILVA, UFC; RICARDO VENTURA, University of Guelph; PAULO SÁVIO LOPES, UFV. |
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Título: |
Comparing multi-trait Poisson and Gaussian Bayesian models for genetic evaluation of litter traits in pigs. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Livestock Science, v. 176, p. 47-53, 2015. |
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DOI: |
10.1016/j.livsci.2015.03.030 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Reproductive traits as number of piglets born (NPB) and weaned (NWP) are directly related to the economic efficiency of swine production systems. Pig breeding programs seek to increase the number of weaned piglets per sow per year, and the NPB is among the factors that directly and indirectly influence the NWP. Thus, multi-trait evaluations are essential to estimate heritabilities and mainly genetic correlations between these traits over different farrowing orders. In general, Gaussian linear mixed models have been used to genetic evaluation of litter traits; however since these traits are characterized as count variables, Poisson models are also indicated. Some studies were carried out using Poisson mixed models in the area of Animal Breeding and Genetics, but they do not point out for a multi-trait scenario, as it should be for litter size at birth and weaning. Toward this orientation, we aimed to apply a multi-trait Poisson mixed model (MPM) for the genetic evaluation of the number of born and weaned piglets under a Bayesian framework. It was aimed also to compare the proposed model with the traditional multi-trait Gaussian model (MGM) by using posterior based goodness-of-fit measures. Two-trait analyses for NPB and NWP were performed separately by each considered farrowing order (first, second and third) using MPM and MGM fitted to data from a commercial Landrace population. Based on DIC (Deviance Information Criterion) and PMP (Posterior Model Probability) values, the MGM outperformed the MPM, but the genetic parameter and breeding values provided by both models were consistent and similar over the three first farrowing orders. Bayesian generalized a multi-trait mixed model approach is feasible for genetic evaluations in the animal breeding context and can be an alternative method for genetic evaluations assuming non-Normal phenotypes. MenosAbstract: Reproductive traits as number of piglets born (NPB) and weaned (NWP) are directly related to the economic efficiency of swine production systems. Pig breeding programs seek to increase the number of weaned piglets per sow per year, and the NPB is among the factors that directly and indirectly influence the NWP. Thus, multi-trait evaluations are essential to estimate heritabilities and mainly genetic correlations between these traits over different farrowing orders. In general, Gaussian linear mixed models have been used to genetic evaluation of litter traits; however since these traits are characterized as count variables, Poisson models are also indicated. Some studies were carried out using Poisson mixed models in the area of Animal Breeding and Genetics, but they do not point out for a multi-trait scenario, as it should be for litter size at birth and weaning. Toward this orientation, we aimed to apply a multi-trait Poisson mixed model (MPM) for the genetic evaluation of the number of born and weaned piglets under a Bayesian framework. It was aimed also to compare the proposed model with the traditional multi-trait Gaussian model (MGM) by using posterior based goodness-of-fit measures. Two-trait analyses for NPB and NWP were performed separately by each considered farrowing order (first, second and third) using MPM and MGM fitted to data from a commercial Landrace population. Based on DIC (Deviance Information Criterion) and PMP (Posterior Model Probability) val... Mostrar Tudo |
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Thesagro: |
Genética animal; Melhoramento genético animal; Produção animal; Suíno. |
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Thesaurus Nal: |
Animal breeding; Animal genetics; Animal reproduction; Molecular genetics; Swine. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02837naa a2200325 a 4500
001 2046791
005 2016-06-10
008 2015 bl uuuu u00u1 u #d
024 7 $a10.1016/j.livsci.2015.03.030$2DOI
100 1 $aVENTURA, H. T.
245 $aComparing multi-trait Poisson and Gaussian Bayesian models for genetic evaluation of litter traits in pigs.$h[electronic resource]
260 $c2015
520 $aAbstract: Reproductive traits as number of piglets born (NPB) and weaned (NWP) are directly related to the economic efficiency of swine production systems. Pig breeding programs seek to increase the number of weaned piglets per sow per year, and the NPB is among the factors that directly and indirectly influence the NWP. Thus, multi-trait evaluations are essential to estimate heritabilities and mainly genetic correlations between these traits over different farrowing orders. In general, Gaussian linear mixed models have been used to genetic evaluation of litter traits; however since these traits are characterized as count variables, Poisson models are also indicated. Some studies were carried out using Poisson mixed models in the area of Animal Breeding and Genetics, but they do not point out for a multi-trait scenario, as it should be for litter size at birth and weaning. Toward this orientation, we aimed to apply a multi-trait Poisson mixed model (MPM) for the genetic evaluation of the number of born and weaned piglets under a Bayesian framework. It was aimed also to compare the proposed model with the traditional multi-trait Gaussian model (MGM) by using posterior based goodness-of-fit measures. Two-trait analyses for NPB and NWP were performed separately by each considered farrowing order (first, second and third) using MPM and MGM fitted to data from a commercial Landrace population. Based on DIC (Deviance Information Criterion) and PMP (Posterior Model Probability) values, the MGM outperformed the MPM, but the genetic parameter and breeding values provided by both models were consistent and similar over the three first farrowing orders. Bayesian generalized a multi-trait mixed model approach is feasible for genetic evaluations in the animal breeding context and can be an alternative method for genetic evaluations assuming non-Normal phenotypes.
650 $aAnimal breeding
650 $aAnimal genetics
650 $aAnimal reproduction
650 $aMolecular genetics
650 $aSwine
650 $aGenética animal
650 $aMelhoramento genético animal
650 $aProdução animal
650 $aSuíno
700 1 $aSILVA, F. F e
700 1 $aVARONA, L.
700 1 $aFIGUEIREDO, E. A. P. de
700 1 $aCOSTA, E. V.
700 1 $aSILVA, L. P. da
700 1 $aVENTURA. R.
700 1 $aLOPES, P. S.
773 $tLivestock Science$gv. 176, p. 47-53, 2015.
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Embrapa Suínos e Aves (CNPSA) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Corte. Para informações adicionais entre em contato com cnpgc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
22/03/2011 |
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Data da última atualização: |
09/09/2014 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
ANDREOTTI, R.; SOARES, M.; CUNHA, R. C.; LEITE, F. P. L. |
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Afiliação: |
RENATO ANDREOTTI E SILVA, CNPGC; UFPEL; UFPEL; UFPEL. |
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Título: |
Heterologous expression in Pichia pastoris of gene BMTI optimized. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONGRESS OF PARASITOLOGY, 12., 2010, Melbourne. Conference abstracts. Melbourne: The Australian Society for Parasitology:World Federation of Parasitologists, 2010. |
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Páginas: |
p.149-152 |
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Idioma: |
Inglês
Português |
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Notas: |
ICOPA XII |
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Conteúdo: |
The cattle tick, Rhipicephalus microplus, is the main tick species that undermines productivity losses in livestock resulting in the production of milk and meat throughout Brazil. Its control is primarily chemical and faces problems due to the resistance of ticks to several active principles used. The immune control is a viable alternative to tick control, and the protein BMTI is a strong candidate as a vaccine antigen. The aim of this work was to synthesize the sequencing of BMTI (BmTIS), optimizing it to "codon usage" of Pichia pastoris in an attempt to improve its expression. This sequence was cloned in eukaryotic expression vector pPICZaA, respecting the make reading the AOX1 promoter, present in the plasmid and that is strongly induced by the presence of methanol, following the sign "a-factor for protein secretion, and the tail of poly-histidine. The resulting plasmid, pPICZaBmTIS, X33 was transformed into strains of P. pastoris. Clones were characterized by PCR using primers of the vector and also by dot blot analysis using anti-histidine. A clone (X33BmTIS17) was sequenced and selected to be induced. A single colony clone X33BmTIS17 was inoculated with 25mL of minimal medium with glycerol and incubated at 200rpm, 300C, overnight. The culture was centrifuged at 1500 g, 5min and resuspended in minimal medium with methanol. The supernatant was subjected to SDS-PAGE 0.7%, which showed a major band with the approximate size of 49 kDa. In Western bloting, a band at the same time was recognized by the anti-histidine and by bovine serum immunized with a synthetic based pepitídeo (BmTI). Thus, a recombinant protein (rBmTI) was
expressed, and was recognized by the anti-histidine and characterized as potential antigenic by bovine serum immunized with the synthetic pepitídeo. MenosThe cattle tick, Rhipicephalus microplus, is the main tick species that undermines productivity losses in livestock resulting in the production of milk and meat throughout Brazil. Its control is primarily chemical and faces problems due to the resistance of ticks to several active principles used. The immune control is a viable alternative to tick control, and the protein BMTI is a strong candidate as a vaccine antigen. The aim of this work was to synthesize the sequencing of BMTI (BmTIS), optimizing it to "codon usage" of Pichia pastoris in an attempt to improve its expression. This sequence was cloned in eukaryotic expression vector pPICZaA, respecting the make reading the AOX1 promoter, present in the plasmid and that is strongly induced by the presence of methanol, following the sign "a-factor for protein secretion, and the tail of poly-histidine. The resulting plasmid, pPICZaBmTIS, X33 was transformed into strains of P. pastoris. Clones were characterized by PCR using primers of the vector and also by dot blot analysis using anti-histidine. A clone (X33BmTIS17) was sequenced and selected to be induced. A single colony clone X33BmTIS17 was inoculated with 25mL of minimal medium with glycerol and incubated at 200rpm, 300C, overnight. The culture was centrifuged at 1500 g, 5min and resuspended in minimal medium with methanol. The supernatant was subjected to SDS-PAGE 0.7%, which showed a major band with the approximate size of 49 kDa. In Western bloting, a band at the same... Mostrar Tudo |
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Thesagro: |
Carrapato; Sanidade Animal. |
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Thesaurus NAL: |
Rhipicephalus microplus. |
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Categoria do assunto: |
H Saúde e Patologia
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02512naa a2200217 a 4500
001 1883447
005 2014-09-09
008 2010 bl --- 0-- u #d
100 1 $aANDREOTTI, R.
245 $aHeterologous expression in Pichia pastoris of gene BMTI optimized.
260 $c2010
300 $ap.149-152
500 $aICOPA XII
520 $aThe cattle tick, Rhipicephalus microplus, is the main tick species that undermines productivity losses in livestock resulting in the production of milk and meat throughout Brazil. Its control is primarily chemical and faces problems due to the resistance of ticks to several active principles used. The immune control is a viable alternative to tick control, and the protein BMTI is a strong candidate as a vaccine antigen. The aim of this work was to synthesize the sequencing of BMTI (BmTIS), optimizing it to "codon usage" of Pichia pastoris in an attempt to improve its expression. This sequence was cloned in eukaryotic expression vector pPICZaA, respecting the make reading the AOX1 promoter, present in the plasmid and that is strongly induced by the presence of methanol, following the sign "a-factor for protein secretion, and the tail of poly-histidine. The resulting plasmid, pPICZaBmTIS, X33 was transformed into strains of P. pastoris. Clones were characterized by PCR using primers of the vector and also by dot blot analysis using anti-histidine. A clone (X33BmTIS17) was sequenced and selected to be induced. A single colony clone X33BmTIS17 was inoculated with 25mL of minimal medium with glycerol and incubated at 200rpm, 300C, overnight. The culture was centrifuged at 1500 g, 5min and resuspended in minimal medium with methanol. The supernatant was subjected to SDS-PAGE 0.7%, which showed a major band with the approximate size of 49 kDa. In Western bloting, a band at the same time was recognized by the anti-histidine and by bovine serum immunized with a synthetic based pepitídeo (BmTI). Thus, a recombinant protein (rBmTI) was expressed, and was recognized by the anti-histidine and characterized as potential antigenic by bovine serum immunized with the synthetic pepitídeo.
650 $aRhipicephalus microplus
650 $aCarrapato
650 $aSanidade Animal
700 1 $aSOARES, M.
700 1 $aCUNHA, R. C.
700 1 $aLEITE, F. P. L.
773 $tIn: INTERNATIONAL CONGRESS OF PARASITOLOGY, 12., 2010, Melbourne. Conference abstracts. Melbourne: The Australian Society for Parasitology:World Federation of Parasitologists, 2010.
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