In the laboratory, the skin of zebrafish (Danio rerio) larvae becomes covered in green glowing dots when exposed to certain drugs or pollutants. The effect is caused by an enzyme with a fluorescent tag that transforms the fish into environmental sensors, or in this case, into useful aids for studying the anti-inflammatory effects of a molecule with pharmaceutical potential isolated from the venom of another species.
Image submitted by Geonildo Rodrigo Disner, a postdoctoral researcher with the Zebrafish Platform at the Butantan Institute
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