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Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

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Page 1: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Vacinologia na Biotecnologia - UFPel

Page 2: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
Page 3: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
Page 4: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Janeiro 1989

Page 5: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Agosto 1989

Page 6: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Agosto 1989

Page 7: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Abril 1991

Page 8: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
Page 9: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
Page 10: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Mycobacterium bovis BCG

- Resposta imune humoral e celular;

- Única dose;

- Vacina replicante muito estável;

- Apresenta um baixo custo de produção.

- Vacina largamente utilizada em humanos no mundo todo; - Administrada em qualquer época após o nascimento;

- Efeito imunoestimulante e adjuvante;

Page 11: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
Page 12: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
Page 13: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Janeiro 1995

Page 14: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Agosto 1996

Page 15: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Agosto 1996

Page 16: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Agosto 1996

Page 17: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Agosto 1996

Page 18: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Agosto 1996

Page 19: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Outubro 1996

Page 20: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
Page 21: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

02 de agosto de 2001

Page 22: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

03 de dezembro de 2001

Page 23: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
Page 24: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
Page 25: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

01 de março de 2003

Page 26: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

BCG - PRRS

Page 27: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

BCG - Anaplasmose

Page 28: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

BCG - Babesiose

Page 29: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

BCG - Leptospirose

Page 30: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

BCG recombinante...

Page 31: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Porque a vacina interfere com o teste de tuberculina!

Por que não é utilizada em animais?

Page 32: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Um teste capaz de diferenciar animais infectados de animais vacinados (DIVA) permitirá introduzir mudanças na atual legislação e possibilitará o uso de vacina contra TB bovina.

Page 33: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

BCG recombinante...

Maior eficácia contra tuberculose bovina do que a cepa convencional

Possibilidade de construção de uma vacina multivalente

Page 34: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Leptospirose

TAMANHO

-0,1 a 0,2 m de diâmetro

-6 a 20 m de comprimento

• Zoonose

• Agente etiológico: Leptospira sp.

• Infecta diversos animais e humanos

• Infecção através de contato direto ou água ou solo contaminado com urina de portadores

• Doença febril aguda

Page 35: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Vacinas

• Células inteiras inativadas (Bacterinas)

• Imunidade pouco duradoura (6 a 12 meses)

• Efeitos colaterais

• Sorovares específicas

• Vacinas recombinantes

Leptospira

interrogans: hardjo,

wolffi, pomona,

icterohaemorrhagiae,

grippotyphosa e

canicola.

L. hardjo;

L. icterohaemorrhagiae;

L. wolffi;

L. bratislava;

L. pomona.

Page 36: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

O genoma de L. interrogans

Fonte: Nascimento et al., Braz J Med Biol Res 37(4) 2004 Nascimento et al., J Bacteriol. 2004 Apr;186(7):2164-72.

Page 37: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Gel de poliacrilamida 15%

Purificação das proteínas

ÄKTAPrime

Proteínas purificadas

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Resposta Imune Humoral

Resposta Imune Humoral

0

0,2

0,4

0,6

0,8

0 21 42 63 84 105tempo (dias)

Ab

so

rbân

cia

s (

OD

450)

rLIC11058

rLIC10054

rLIC20172

rLIC13059

rLIC11567

rLIC10091

rLIC10009

rLIC13305

Controle -

Resposta imune humoral apresentada pelos animais inoculados com as proteínas

recombinantes e do grupo controle negativo salina/Al(OH)3. A medida das respostas

imunes está expressa em absorbância (OD450).

Page 39: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

DESAFIO

Vacinação dos Hamsters

Inoculação de doses letais de

Leptospiras patogênicas

Taxa de

Sobrevivência

Page 40: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

2005 Parceria Fiocruz/UFPel – Reunião no Mercosul

Page 41: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
Page 42: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

2006

Primeira produção científica do laboratório – Canadian Journal of Microbiology

Page 43: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

2007 SEIXAS, F. K. ; SILVA, E. F.; HARTWIG, Daiane D ; CERQUEIRA, Gustavo M ; AMARAL, M. ; FAGUNDES,

Michel Q ; DOSSA, Robson G ; DELLAGOSTIN, O. A. Recombinant Mycobacterium bovis BCG expressing the Lipl32 antigen of Leptospira interrogans protects hamsters from challenge. Vaccine (Guildford), v. 26, p. 88-95, 2007.

SILVA, E. F. ; MEDEIROS, M. A. ; MCBRIDE, Alan J A ; STEVES, G. S. ; RAMOS, J. G. R. ; SANTOS, C. S. ; CRODA, J. ; HOMMA, A. ; DELLAGOSTIN, O. A. ; HAAKE, D. A. ; REIS, Mitermayer G ; KO, Albert I . The terminal portion of leptospiral immunoglobulin-like protein LigA confers protective immunity against lethal infection in the hamster model of leptospirosis. Vaccine (Guildford), v. 25, p. 6277-6286, 2007.

FERNANDES, Claudia P H; SEIXAS, Fabiana K; COUTINHO, Mariana L; VASCONCELLOS, Flavia A; SEYFFERT, Nubia; BROD, Claudiomar S; MCBRIDE, Alan J A; DELLAGOSTIN, O. A.; ALEIXO, Jose A G Monoclonal antibodies against LipL32, the major outer membrane protein of pathogenic leptospira: production, characterization and testing in diagnostic applications. Hybridoma (Larchmont), v. 21, p. 35-41, 2007.

SILVA, Everton F; BROD, Claudiomar S; CERQUEIRA, Gustavo M; BOURSCHEIDT, Debora; SEYFFERT, Núbia; QUEIROZ; SANTOS, Cleiton S; KO, Albert I; DELLAGOSTIN, O. A. . Isolation of Leptospira noguchii from sheep. Veterinary Microbiology (Amsterdam), v. 121, p. 144-149, 2007.

SEIXAS, Fabiana K; FERNANDES, Claudia P H; HARTWIG, Daiane D; CONCEIÇÃO, Fabricio R; ALEIXO, José A G; DELLAGOSTIN, O. A. . Evaluation of different ways of presenting LipL32 to the immune system with the aim of developing a recombinant vaccine against leptospirosis. Canadian Journal of Microbiology, v. 54, p. 472-479, 2007.

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2008

SILVA, E. F.; SANTOS, C. S.; ATHANAZIO, Daniel A; SEYSSERT, N.; SEIXAS, F. K.; CERQUEIRA, Gustavo M; FAGUNDES, Michel Q; BROD, Claudiomar S; REIS, Mitermayer G; DELLAGOSTIN, O. A.; KO, Albert I . Characterization of virulence of Leptospira isolates in a hamster model. Vaccine (Guildford), v. 26, p. 3892-3896, 2008.

FERNANDES, Claudia P H; SEIXAS, F. K.; COUTINHO, Mariana L; VASCONCELLOS, Flavia A; MOREIRA, Angela N; CONCEIÇÃO, F. R.; DELLAGOSTIN, O. A.; ALEIXO, José A G . An immunomagnetic separation-PCR method for detection of pathogenic leptospira in biological fluids. Hybridoma (Larchmont), v. 27, p. 1-6, 2008.

MIRAGLIA, F.; MORENO, A. M.; PAIXAO, R.; LIUSON, E.; MORAIS, Z. M.; MAIORKA, P.; SEIXAS, F. K.; DELLAGOSTIN, O. A.; VASCONCELLOS, S. A. Isolation and characterization of Leptospira interrogans from pigs slaughtered in São Paulo State, Brazil. Brazilian Journal of Microbiology, v. 39, p. 501-507, 2008.

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2009 MCBRIDE, Alan J A; CERQUEIRA, Gustavo M; SUCHARD, M. A.; MOREIRA, A. N.; REIS,

Mitermayer G; HAAKE, D. A.; KO, Albert I; DELLAGOSTIN, O. A. . Genetic diversity of the Leptospiral immunoglobulin-like (Lig) genes in pathogenic Leptospira spp.. Infection, Genetics and Evolution, v. 9, p. 196-205, 2009.

SILVA, E. F.; CERQUEIRA, Gustavo M; SEYFFERT, Núbia; SEIXAS, F. K.; HARTWIG, Daiane D; ATHANAZIO, Daniel A; PINTO, Luciano S; QUEIROZ; KO, Albert I; BROD, Claudiomar S; DELLAGOSTIN, O. A. . Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623, 2009.

Murray, G. L.; Morel, V.; Cerqueira, G. M.; CRODA, J.; Srikram, A.; Henry, R.; Ko, A. I.; DELLAGOSTIN, O. A.; Bulach, D. M.; Sermswan, R.; Adler, B.; Picardeau, M. . Genome-wide transposon mutagenesis in pathogenic Leptospira species. Infection and Immunity, v. 77, p. 810-816, 2009.

CERQUEIRA, Gustavo M; MCBRIDE, Alan J A; Picardeau, M.; RIBEIRO, Samuel G; MOREIRA, A. N.; Morel, V.; REIS, Mitermayer G; KO, Albert I; DELLAGOSTIN, O. A. . Distribution of the Leptospiral immunoglobulin-like (Lig) genes in pathogenic Leptospira spp. and application of ligB to typing leptospiral isolates. Journal of Medical Microbiology, v. 58, p. 1173-1181, 2009.

Page 46: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

2010 Cerqueira, G. M.; McBride, A. J. A.; Queiroz, A.; Pinto, L. S.; SILVA, E. F.; HARTSKEERL, R. A.; Ko,

A. I.; DELLAGOSTIN, O. A. . Monitoring Leptospira Strain Collections: The Need for Quality Control. The American Journal of Tropical Medicine and Hygiene, v. 82, p. 83-87, 2010.

VASCONCELLOS, Flávia Aleixo; COUTINHO, Mariana L; SILVA, Everton F; FERNANDES, Claudia P H; Monte, Leonardo G.; SEYFFERT, Núbia; DELLAGOSTIN, O. A.; ALEIXO, José A G . Testing different antigen capture ELISA formats for detection of Leptospira spp. in human blood serum. Transactions of the Royal Society of Tropical Medicine and Hygiene, v. 104, p. 259-264, 2010.

SEIXAS, F. K.; BORSUK, S.; FAGUNDES, Michel Q; HARTWIG, Daiane D; SILVA, E. F.; CERQUEIRA, Gustavo M; DELLAGOSTIN, O. A. . Stable expression of Leptospira interrogans antigens in auxotrophic Mycobacterium bovis BCG. Biological Research (Print), 2010.

ESLABAO, M. R.; DELLAGOSTIN, O. A.; CERQUEIRA, Gustavo M . LepBank: a Leptospira sequence repository and a portal for phylogenetic studies. Infection, Genetics and Evolution (Print), 2010.

….

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VACINA CONTRA

PNEUMONIA

MICOPLÁSMICA SUÍNA

Page 48: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
Page 49: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
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Produção e Avaliação de

Outros Antígenos

Page 51: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Clonagem Direcional

- Seleção de genes de M. hyopneumoniae

- Amplificação por PCR

- Clonagem

pET200D-TOPO

5741 bp

6xHis

EK recognition

Kanamycin

pBR322 Ori

T7 promoter

RBS

T7 termination

pET200D-TOPO

5741 bp

6xHis

EK recognition

Kanamycin

pBR322 Ori

T7 promoter

RBS

T7 termination

NRDF 429 bp

CACC Stop codon

Page 52: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

10 PCR A10 PCR A

For

RevFor mut

Rev mut

RevFor

TGG

RevFor

TGG

pET200D-TOPO

5741 bp

6xHis

EK recognition

Kanamycin

pBR322 Ori

T7 promoter

RBS

T7 termination

pET200D-TOPO

5741 bp

6xHis

EK recognition

Kanamycin

pBR322 Ori

T7 promoter

RBS

T7 termination

Mutação sítio dirigida

Page 53: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Bactérias recombinantes

Plasmídio

Transformação em

E. coli

Transformação em cepa de expressão BL21(DE3)

DNA recombinante

Seleção de clones recombinantes

Page 54: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Purificação ÄKTA_Prime Multiplicação

42 kDa Proteína Purificada

Purificação de Proteínas

Expressão

Page 55: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
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Antigenicidade das proteínas

10 proteínas recombinantes

testadas no ELISA

-10 soros de suínos SPF

- 37 soros de suínos convalescentes

50 ng

1:6000

1:100

Page 58: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

SDS-PAGE corado com Commassie Blue, mostrando 9 proteínas recombinantes

purificadas por cromatografia de afinidade ao níquel.

Resultados

Page 59: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

Médias calculadas com os soros avaliados em triplicata

Análise estatística - GraphPad Prism 4 (GraphPad Software)

Os resultados foram considerados estatisticamente significativos quando o P≤ 0,05

Resultados

*

*

*

* * * * * * *

Page 60: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,
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Projetos em andamento

• Avaliação de antígenos recombinantes de

Mycoplasma hyopneumoniae: desenvolvimento de

vacinas e testes diagnósticos (Edital

CNPq/MAPA/SDA Nº 64/2008)

– Valor: R$ 488.000,00

– Início em fevereiro 2009

• Núcleo de excelência em desenvolvimento de

vacinas veterinárias (PRONEX – FAPERGS/CNPq)

– Valor: R$ 631.000,00

– Início em abril de 2010

• Produção e avaliação de uma vacina recombinante

contra tuberculose bovina e de teste de

diagnóstico diferencial (DIVA) (CNPq e Biotecsur)

– Valor: 350.000,00

– Início em janeiro de 2009

Page 64: Vacinologia na Biotecnologia - UFPel · 2011. 10. 20. · Leptospira noguchii and Human and Animal Leptospirosis, Southern Brazil. Emerging Infectious Diseases, v. 15, p. 621-623,

OUTROS PROJETOS...

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