2007
DOI: 10.1590/s0100-736x2007000700008
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ELISA com MSP5 recombinante truncada para detecção de anticorpos contra Anaplasma marginale em bovinos

Abstract: Os objetivos deste estudo foram produzir e solubilizar a proteína MSP5 recombinante truncada de Anaplasma marginale, e avaliar seu desempenho em um ensaio de imunoadsorção enzimática indireto (ELISA) para detecção de anticorpos contra a riquétsia. O gene msp5, exceto a região N-terminal hidrofóbica, foi amplificado por PCR, clonado em plasmídeo pTrcHis-TOPO e expresso em Escherichia coli. A solubilização da proteína recombinante foi avaliada em diferentes pHs e concentrações de uréia. A sensibilidade e a espec… Show more

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Cited by 6 publications
(8 citation statements)
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References 30 publications
(16 reference statements)
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“…Intra-assay Inter-assay marginale using the enzyme-linked immunosorbent assay (ELISA) (Madruga et al, 2000a(Madruga et al, ,b, 2001) and conventional PCR for cytochrome b (Buling et al, 2007;Melo et al, 2007). From each dilution, DNA was purified from 350 l of blood using the Easy DNA kit (Invitrogen, USA) and used as the template for the q-PCR.…”
Section: No Of Copies Of Ptrchis/msa2cmentioning
confidence: 99%
“…Intra-assay Inter-assay marginale using the enzyme-linked immunosorbent assay (ELISA) (Madruga et al, 2000a(Madruga et al, ,b, 2001) and conventional PCR for cytochrome b (Buling et al, 2007;Melo et al, 2007). From each dilution, DNA was purified from 350 l of blood using the Easy DNA kit (Invitrogen, USA) and used as the template for the q-PCR.…”
Section: No Of Copies Of Ptrchis/msa2cmentioning
confidence: 99%
“…Serum samples were from 72 Aberdeen-Angus cattle experimentally infected with Rio Grande do Norte homologous isolate of A. marginale; from 72 Anaplasmafree cattle, defined by PCR for MSP5 gene (Silva et al 2006); from 70 cattle naturally infected with this rickettsia from state of Alagoas, positive by indirect ELISA with MSP5 (Melo et al 2007); and from 72 seronegative cattle, all of which were analyzed by ELISAs with VirB9, VirB10, and EF-Tu for specific IgG.…”
Section: Amplification Of Virb9 Virb10 and Ef-tu -Primersmentioning
confidence: 99%
“…Many of these recombinant proteins have been utilized in serodiagnosis of A. marginale with excellent results (Reyna-Bello et al , 1998; Melo et al , 2007). …”
Section: Resultsmentioning
confidence: 99%