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A cathepsin L-like protease from Strongylus vulgaris: an orthologue of Caenorhabditis elegans CPL-1

By S. Nic An Ultaigh, J. Carolan, C. Britton, L. Murray and M.F. Ryan


Cathespin L-like proteases (CPLs), characterized from a wide range of helminths, are significant in helminth biology. For example, in Caenorhabditis elegans CPL is essential for embryogenesis. Here, we report a cathepsin L-like gene from three species of strongyles that parasitize the horse, and describe the isolation of a cpl gene (Sv-cpl-1) from Strongylus vulgaris, the first such from equine strongyles. It encodes a protein of 354 amino acids with high similarity to other parasitic Strongylida (9091%), and C. elegans CPL-1 (87%), a member of the same Clade. As S. vulgaris cpl-1 rescued the embryonic lethal phenotype of the C. elegans cpl-1 mutant, these genes may be orthologues, sharing the same function in each species. Targeting Sv-CPL-1 might enable novel control strategies by decreasing parasite development and transmission

Topics: Q1
Publisher: Elsevier
Year: 2009
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Provided by: Enlighten
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