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All the organisms that belong to the animal kingdom had been believed not to synthesize carotenoids de novo. However, several groups of arthropods, which contain aphids, spider mites, and flies belonging to the family Cecidomyiidae, have been unexpectedly shown to possess carotenoid biosynthesis genes of fungal origin since 2010. On the other hand, few reports have shown direct evidence corroborating the catalytic functions of the enzymes that the carotenogenic genes encode. In the present review, we want to overview the carotenoid biosynthetic pathway of the pea aphid (Acyrthosiphon pisum), which was elucidated through functional analysis of carotenogenic genes that exist on its genome using Escherichia coli that accumulates carotenoid substrates, in addition to carotenoid biosynthesis in the other carotenogenic arthropods.

Citation

Norihiko Misawa, Miho Takemura, Takashi Maoka. Carotenoid Biosynthesis in Animals: Case of Arthropods. Advances in experimental medicine and biology. 2021;1261:217-220

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PMID: 33783744

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