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Hand next to a tree frog (Phyllomedusa bicolor)

Hand next to a tree frog (Phyllomedusa bicolor)

G355/0059

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Credit

PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY PASCAL GOETGHELUCK / SCIENCE PHOTO LIBRARY

Caption

Tree frog research. Human hand next to a tree frog (Phyllomedusa bicolor) on a leaf. This frog produces peptides (small chains of protein-forming amino acids) from its skin glands. Some of the peptides have been found to have pharmaceutical properties, namely as painkillers, or analgesics (dermorphins), and antibiotics (dermaseptins). This tree-dwelling frog lives in the Amazon. Photographed in Guyana.

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Model release not available. Property release not required.

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