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Revista argentina de microbiología
versión impresa ISSN 0325-7541versión On-line ISSN 1851-7617
Resumen
MARTINEZ, Mara Leila; GRUNE LOFFLER, Sylvia; ROMERO, Graciela Noemi y BRIHUEGA, Bibiana Felicitas. Differentiation of pathogenic leptospires spp by PCR of ligB gene and sequencing. Rev. argent. microbiol. [online]. 2018, vol.50, n.2, pp.126-130. ISSN 0325-7541. http://dx.doi.org/10.1016/j.ram.2016.11.008.
Leptospirosis is a zoonosis having worldwide distribution. The objective of this work was to develop a molecular technique to differentiate pathogenic Leptospira spp. A region of adhesin ligB, present only in the pathogenic species was amplified by PCR and sequenced. ligBRpet and ligBFpet primers were used, which amplified the target DNA from pathogenic L. interrogans reference strains serovars Pomona strain Pomona, Canicola strain Hond Utrecht IV, Copenhageni strain M 20, Wolffi strain 3705, Pyrogenes strain Salinem, Hardjo strain Hardjoprajitmo, L. borgpetersenii serovar Castellonis strain Castellon 3 and 4 pathogenic strains isolated from bovines, pigs, rats and opossums. L. biflexa serovars Patoc strain Patoc i and Andamana strain Andamana were not amplified. Sequencing of the amplified products exhibited sufficient variation among serovars, which differentiates them.
Palabras clave : Polymerase chain reaction; Leptospira spp.; LigB.