Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2013 |
| Outros Autores: | , , , , |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Repositório Institucional da FIOCRUZ (ARCA) |
| Texto Completo: | https://www.arca.fiocruz.br/handle/icict/12531 |
Resumo: | Universidade do Estado do Rio de Janeiro. Faculdade de Ciências Médicas. Rio de Janeiro, RJ, Brasil. |
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Nascimento, Dilzamar V.Dellagostin, Odir A.Hirata Jr., RaphaelPereira, Geraldo M. B.Guaraldi, Ana Luiza MattosArmôa, Geraldo R. Garcia2016-01-14T14:19:31Z2016-01-14T14:19:31Z2013NASCIMENTO, Dilzamar V.; et al. Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG . American Journal of Molecular Biology, v.3, n.2, p.81-86, April 2013.2161-6620https://www.arca.fiocruz.br/handle/icict/1253110.4236/ajmb.2013.320112161-6663engScientific Research PublishingPlasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCGinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleUniversidade do Estado do Rio de Janeiro. Faculdade de Ciências Médicas. Rio de Janeiro, RJ, Brasil.Universidade Federal de Pelotas. Campus Universitário. Centro de Biotecnologia. Pelotas, RS, Brasil.Universidade do Estado do Rio de Janeiro. Faculdade de Ciências Médicas. Rio de Janeiro, RJ, Brasil.Universidade do Estado do Rio de Janeiro. Faculdade de Ciências Médicas. Rio de Janeiro, RJ, Brasil / Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ, Brasil.Universidade do Estado do Rio de Janeiro. Faculdade de Ciências Médicas. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ, Brasil.The genetic modification of the live attenuated Mycobacterium bovis BCG to deliver a protective Corynebacterium diphtheriae antigen in vivo could be a safer and less costly alternative to the new and more expensive DTP vaccines available today, in particular to third world-countries. The stability of expression of heterologous antigens in BCG, however, is a major challenge to the use of live recombinant bacteria in vaccine development and appears to be dependent to a certain extent, on a genetic compatibility between the expression cassette within the plasmid construct and the mycobacterium host. In the quest for the best recombinant BCG transformant to express the dtb gene of C. diphtheriae we generated two new rBCG strains by transforming the Moreau substrain of BCG with the mycobacterial expression vectors pUS973 and pUS977, each one carrying a different promoter to drive the expression of the target antigen. After transformation recombinant BCG clones were selected on Middlebrook 7H10 kanamycin Agar plates, expanded in Middlebrook 7H9 kanamycin Broth and analyzed by agarose gel electrophoresis and immunoblotting. rBCGs transformed with the construct carrying the weak PAN promoter from M. paratuberculosis stably expressed the dtb gene. Conversely, rBCGs transformed with the construct carrying the strong mycobacterium hsp60 promoter were unstable and consequently unfit for the expression of the C. diphtheriae gene.BCG VaccineRecombinant BCGFragment B of Diphtheria ToxinAnti-Diphtheria VaccineVacina BCGCorynebacterium diphtheriaeDifteriaVacinas contra Difteria, Tétano e Coqueluche Acelularinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/12531/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALgeraldo_armoa_etal_IOC_2013.pdfgeraldo_armoa_etal_IOC_2013.pdfapplication/pdf527419https://www.arca.fiocruz.br/bitstream/icict/12531/2/geraldo_armoa_etal_IOC_2013.pdf4ca982773f35a2eb1ee02d2129343b23MD52TEXTgeraldo_armoa_etal_IOC_2013.pdf.txtgeraldo_armoa_etal_IOC_2013.pdf.txtExtracted 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| dc.title.pt_BR.fl_str_mv |
Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG |
| title |
Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG |
| spellingShingle |
Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG Nascimento, Dilzamar V. BCG Vaccine Recombinant BCG Fragment B of Diphtheria Toxin Anti-Diphtheria Vaccine Vacina BCG Corynebacterium diphtheriae Difteria Vacinas contra Difteria, Tétano e Coqueluche Acelular |
| title_short |
Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG |
| title_full |
Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG |
| title_fullStr |
Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG |
| title_full_unstemmed |
Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG |
| title_sort |
Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG |
| author |
Nascimento, Dilzamar V. |
| author_facet |
Nascimento, Dilzamar V. Dellagostin, Odir A. Hirata Jr., Raphael Pereira, Geraldo M. B. Guaraldi, Ana Luiza Mattos Armôa, Geraldo R. Garcia |
| author_role |
author |
| author2 |
Dellagostin, Odir A. Hirata Jr., Raphael Pereira, Geraldo M. B. Guaraldi, Ana Luiza Mattos Armôa, Geraldo R. Garcia |
| author2_role |
author author author author author |
| dc.contributor.author.fl_str_mv |
Nascimento, Dilzamar V. Dellagostin, Odir A. Hirata Jr., Raphael Pereira, Geraldo M. B. Guaraldi, Ana Luiza Mattos Armôa, Geraldo R. Garcia |
| dc.subject.en.pt_BR.fl_str_mv |
BCG Vaccine Recombinant BCG Fragment B of Diphtheria Toxin Anti-Diphtheria Vaccine |
| topic |
BCG Vaccine Recombinant BCG Fragment B of Diphtheria Toxin Anti-Diphtheria Vaccine Vacina BCG Corynebacterium diphtheriae Difteria Vacinas contra Difteria, Tétano e Coqueluche Acelular |
| dc.subject.decs.pt_BR.fl_str_mv |
Vacina BCG Corynebacterium diphtheriae Difteria Vacinas contra Difteria, Tétano e Coqueluche Acelular |
| description |
Universidade do Estado do Rio de Janeiro. Faculdade de Ciências Médicas. Rio de Janeiro, RJ, Brasil. |
| publishDate |
2013 |
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2013 |
| dc.date.accessioned.fl_str_mv |
2016-01-14T14:19:31Z |
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2016-01-14T14:19:31Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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NASCIMENTO, Dilzamar V.; et al. Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG . American Journal of Molecular Biology, v.3, n.2, p.81-86, April 2013. |
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https://www.arca.fiocruz.br/handle/icict/12531 |
| dc.identifier.issn.none.fl_str_mv |
2161-6620 |
| dc.identifier.doi.none.fl_str_mv |
10.4236/ajmb.2013.32011 |
| dc.identifier.eissn.none.fl_str_mv |
2161-6663 |
| identifier_str_mv |
NASCIMENTO, Dilzamar V.; et al. Plasmid instability when the hsp60 gene promoter is used to express the protective non-toxic fragment B of the diphtheria toxin in recombinant BCG . American Journal of Molecular Biology, v.3, n.2, p.81-86, April 2013. 2161-6620 10.4236/ajmb.2013.32011 2161-6663 |
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Scientific Research Publishing |
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Scientific Research Publishing |
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