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1.  Isolation of Leptospira noguchii from sheep 
Veterinary microbiology  2006;121(1-2):144-149.
The main goal of this study was to obtain new isolates of Leptospira spp. from sheep. A total of ten kidney samples and 44 blood samples were collected from sheep slaughtered in Pelotas, Southern Brazil. One isolate was obtained which was identified by 16S rRNA gene sequencing and serogrouping to be Leptospira noguchii serogroup Autumnalis. Microscopic agglutination test (MAT) evaluation revealed that 4.5% of the sheep sera reacted against the Autumnalis serogroup. This is the first report of isolation of L. noguchii from sheep. Together these findings indicate that L. noguchii infections may be a potentially important veterinary problem in this domestic animal species.
doi:10.1016/j.vetmic.2006.11.010
PMCID: PMC1868676  PMID: 17222993
leptospirosis; Leptospira noguchii; isolation; serogrouping; sheep; Brazil
2.  Development of Specific Immunoglobulin Ga (IgGa) and IgGb Antibodies Correlates with Control of Parasitemia in Babesia equi Infection 
Clinical and Vaccine Immunology  2006;13(2):297-300.
In this study, the kinetics of specific immunoglobulin G (IgG) isotypes were characterized in Babesia equi (Theileria equi)-infected horses. IgGa and IgGb developed during acute infection, whereas IgG(T) was detected only after resolution of acute parasitemia. The same IgG isotype profile induced during acute infection was obtained by equi merozoite antigen 1/saponin immunization.
doi:10.1128/CVI.13.2.297-300.2006
PMCID: PMC1391941  PMID: 16467341

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