A simple chemical tweak governed by a single enzyme determines the color of a parrot’s plumage, researchers report this week ...

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Arbore et al. found that much of the color variation in parrots is controlled by fine-tuning the expression of a single key enzyme, ALDH3A2, which modulates aldehyde metabolism and regulates ...

The key genes change the chemical structure of the pigment molecule through the actions of an enzyme which adds just one atom ...

From the Carnival in Rio de Janeiro to the shoulders of pirates: parrots are synonymous with color for people across the world. In a new study, scientists uncover a 'switch' in the DNA of parrots that ...