**8. Acknowledgments**

Genes and predicted protein sequences were obtained from the Eupath database (http://eupathdb.org/eupathdb/) and Uniprot Knowledgebase (http://www.uniprot.org/). This work was supported by UACM (México), CONACyT (México), COFAA-IPN (Mexico), SIP-IPN (Mexico) and European Community grants.
