| peptidomic analysis of skin secretions from rana heckscheri and rana okaloosae provides insight into phylogenetic relationships among frogs of the aquarana species group. | the members of the aquarana (or rana catesbeiana species group) form a monophyletic group comprising seven species: r. catesbeiana, rana clamitans, rana grylio, rana virgatipes, rana septentrionalis, rana heckscheri and rana okaloosae. previous work has led to structural characterization of the antimicrobial peptides present in electrically-stimulated skin secretions from the first five species listed and this study presents the primary structures of orthologs from the river frog r. heckscheri a ... | 2007 | 17005262 |