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Newly discovered gene enables fish to 'disappear'


Harlequinmania
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Researchers have discovered a new member of a gene family that has powerful influences on pigmentation and the regulation of body weight. The new gene, an agouti family gene called agrp2, has been found exclusively in bony fish, including zebrafish, trout and salmon. The protein it encodes enables fish to change color dramatically to match their surroundings, the researchers report.

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