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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Clonagem e expressão do gene E6 do Papilomavírus Bovino do tipo 1. / Cloning and expression of Bovine Papillomavirus type 1 E6 gene.

Souza, Jacqueline Mazzuchelli de 27 May 2013 (has links)
O Papilomavírus Bovino do tipo 1 (BPV-1) causa fibropapilomas em bovinos e sarcóide em equinos, associados à expressão de oncoproteínas virais, principalmente E6 e E7. A purificação de oncoproteínas a partir de sistema recombinante possibilita seu estudo. Os objetivos foram expressar o gene E6 do BPV-1, purificar e analisar in silico a proteína recombinante obtida. O amplificado foi clonado em E. coli e os plasmídeos foram sequenciados, confirmando a matriz correta de leitura. Após indução da expressão, a proteína recombinante foi identificada e purificada. A microscopia eletrônica mostrou a formação de corpúsculos de inclusão. As análises in silico apontaram as mutações das sequências gênica e proteica de E6-1 em relação às depositadas. Foi realizada a predição tridimensional da estrutura da proteína recombinante e identificadas as regiões conservadas, antigênicas e capazes de realizar ligações cátion-<font face=\"Symbol\">p. Logo, a proteína recombinante E6 do BPV-1 foi obtida e purificada com sucesso, possibilitando o início de novos experimentos e estudos mais detalhados. / Bovine Papillomavirus type 1 (BPV-1) causes fibropapillomas in cattle and sarcoid in equines, associated with the expression of viral oncoproteins, E6 and E7 particularly. Purification of oncoproteins from recombinant system allows their study. The aim of this study was cloning and expressing BPV-1 E6 gene, purify and analyze in silico recombinant protein. Amplicon was cloned into E. coli and the plasmids were sequenced to confirm the correct reading frame. After induction of expression, the recombinant protein was identified and purified. Electron microscopy showed the inclusion bodies formation. In silico analysis showed mutations in E6-1 gene and protein sequences when there were compared to sequences available in current database. Three-dimensional structure prediction of the recombinant protein was performed and conserved, antigenic and cation-<font face=\"Symbol\">p interaction regions were identified. Therefore, BPV-1 E6 recombinant protein was obtained and successfully purified enabling new experiments and more detailed studies.
2

Clonagem e expressão do gene E6 do Papilomavírus Bovino do tipo 1. / Cloning and expression of Bovine Papillomavirus type 1 E6 gene.

Jacqueline Mazzuchelli de Souza 27 May 2013 (has links)
O Papilomavírus Bovino do tipo 1 (BPV-1) causa fibropapilomas em bovinos e sarcóide em equinos, associados à expressão de oncoproteínas virais, principalmente E6 e E7. A purificação de oncoproteínas a partir de sistema recombinante possibilita seu estudo. Os objetivos foram expressar o gene E6 do BPV-1, purificar e analisar in silico a proteína recombinante obtida. O amplificado foi clonado em E. coli e os plasmídeos foram sequenciados, confirmando a matriz correta de leitura. Após indução da expressão, a proteína recombinante foi identificada e purificada. A microscopia eletrônica mostrou a formação de corpúsculos de inclusão. As análises in silico apontaram as mutações das sequências gênica e proteica de E6-1 em relação às depositadas. Foi realizada a predição tridimensional da estrutura da proteína recombinante e identificadas as regiões conservadas, antigênicas e capazes de realizar ligações cátion-<font face=\"Symbol\">p. Logo, a proteína recombinante E6 do BPV-1 foi obtida e purificada com sucesso, possibilitando o início de novos experimentos e estudos mais detalhados. / Bovine Papillomavirus type 1 (BPV-1) causes fibropapillomas in cattle and sarcoid in equines, associated with the expression of viral oncoproteins, E6 and E7 particularly. Purification of oncoproteins from recombinant system allows their study. The aim of this study was cloning and expressing BPV-1 E6 gene, purify and analyze in silico recombinant protein. Amplicon was cloned into E. coli and the plasmids were sequenced to confirm the correct reading frame. After induction of expression, the recombinant protein was identified and purified. Electron microscopy showed the inclusion bodies formation. In silico analysis showed mutations in E6-1 gene and protein sequences when there were compared to sequences available in current database. Three-dimensional structure prediction of the recombinant protein was performed and conserved, antigenic and cation-<font face=\"Symbol\">p interaction regions were identified. Therefore, BPV-1 E6 recombinant protein was obtained and successfully purified enabling new experiments and more detailed studies.

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