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Carotenoid isomerase: A tale of light and isomers

TitleCarotenoid isomerase: A tale of light and isomers
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2002
AuthorsGiuliano, Giovanni, Giliberto L., and Rosati C.
JournalTrends in Plant Science
KeywordsArabidopsis, article, Bacteria (microorganisms), biosynthesis, Carotenoid, Carotenoids, chemical structure, chemistry, Citrus reticulata, Enzymologic, enzymology, Evolution, gene expression regulation, genetics, Intramolecular Lyases, isomerase, isomerism, light, lycopene, lycopene cyclase isomerase, lycopene cyclase-isomerase, Lycopersicon esculentum, metabolism, Molecular, molecular evolution, Molecular Structure, mutation, Phylogeny, Synechocystis, Tomato

Carotenoids are terpenoid pigments containing systems of conjugated double bonds, each of which can exist in a cis or trans configuration. The existence of a carotenoid isomerase (CrtISO) mediating cis-to-trans isomerization has been suspected ever since the description of the tomato tangerine mutant in the early 1940s, whose fruits accumulate a poly-cis-isomer of lycopene. Recently, CrtISO has been cloned in Synechocystis and in plants, and has been shown to be related to bacterial carotene desaturases.


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Citation KeyGiuliano2002427