
Keywords: Echinostoma parenesei; Gastropoda; Fibrinogen-related protein; FREP; Innate immunity; Trematode; Biomphalaria glabrata; Schistosoma mansoni; Echinostoma paraensei; Polymorphic mucin; Lectin; Somatic diversification; FREP; fibrinogen-related protein; FReD; fibrinogen-related dom