... Americanphyllomedusine frogs, the caerins from Australasianlitorid frogs, and the esculentins, brevinins and tempo-rins from the ranid frogs of Asia, North America and Europe [8,9,11]. Many of these peptides ... FASTA and BLAST algorithmsestablished that the primary structures of one of the peptides from O. livida (nigrocin-2LVa) and of nigro-cin-2HJ from O. hejiangensis were identical to that of the ... approaching the verge of extinc-tion, and thus may provide new therapeutic leads. The large number of biologically active peptides,often of unique primary structure, within the pepti-domes of amphibian...