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Southeast Asian J Trop Med Public Health ; 2009 Jan; 40(1): 155-61
Artículo en Inglés | IMSEAR | ID: sea-32812

RESUMEN

Leptospira interrogans serovar autumnalis, a causative agent of leptospirosis in Thailand, was isolated from a patient for DNA extraction and amplification of LipL32 gene by polymerase chain reaction (PCR). The 782 bp PCR product was obtained, which was inserted into pAE plasmid with polyhistidine (His6 tag) to construct pAE-LipL32. This recombinant plasmid was transfected into E. coli BL21 (DE3). His6-LipL32 was purified by Ni-NTA affinity chromatography. The recombinant protein was used as antigen for testing with sera from leptospirosis and syphilis patients by dot-ELISA technique. It reacted positively with leptospirosis patient sera and negatively with syphilis and healthy sera.

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