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The aim of this study was to determine the molecular diversity of OmpL1, LipL32, LipL41, LigA and LigB proteins and that of the genes that encode them using bioinformatic analysis in different pathogenic strains of Leptospira spp. based on the information available in databases. The amino acid sequences of OmpL1, LipL32, LipL41, LigA and LigB proteins were used, as well as the genes encoding them in strains of Leptospira spp. reported at The National Center for Biotechnology Information (NCBI). The analysis of proteins and genes were performed using the Protein, Nucleotide and Gene resources from the NCBI. The alignment of the consensus sequences was performed using the PSI-BLAST and BLASTn tools. The coverage percentage of the selected sequences of the ompL1 , lipL32 , lipL41 , ligA and ligB genes in pathogenic strains of Leptospira spp. is 100% for ompL1 , lipL32 and lipL41 , 75% for ligA and 99% for ligB with identity percentages of 85, 98, 88, 90 and 80% respectively; the coverage percentage of the selected protein sequences is 100, 77, 99, 100 and 100% with identity percentages of 90, 99, 92, 63 and 60% respectively, indicating that genes and proteins, except LigA and LigB proteins, are highly conserved in various pathogenic serovars of Leptospira spp. According to these results, it is recommended that further analysis of these proteins be made in order to determine the feasibility of its use as vaccine candidates.

Diversidad molecular de candidatos vacunales en Leptospira spp.