In-silico identification of potential antigenic proteins in Bartonella bacilliformis for the serological diagnosis of Carrions' disease
Jimenez-Vasquez, V.; Calvay-Sanchez, K.; Zarate-Sulca, Y.; Ruiz, J.; Mendoza-Mujica, G.
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The current methods for inferring antigenic, pathogenic or virulence factors in bacteria include in-silico or computational tools. Bartonella bacilliformis, the causal agent of Carrio[n]s disease (CD) is a Gram-negative microorganism transmitted by the sand fly Lutzomya verrucarum mainly in Peruvian Inter-Andean valleys. A better understanding of the pathogenicity of B. bacilliformis, the implementation of serological diagnostic methods and the development of candidate vaccines for the control of CD could be facilitated by the identification of outer membrane exposed proteins such as outer-membrane beta-barrels (OMBB) and outer-membrane lipoproteins (OMLPP). In this study we present the in-silico identification of OMBBs and OMLPPs in B. bacilliformis. The present analysis identified 32 OMBBs and 9 OMLPPs, of which 15 and 4 are reported for the first time as potential antigenic, pathogenic and virulence-related proteins, respectively. Future implications of this study are discussed and compared with proteins validated by experimental assays.
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