Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Carotenoid biosynthesis in higher plants. (a) Chemical structures of lutein and zeaxanthin. (b) Schematic drawing of some of the key steps in chloroplastidic carotenoid biosynthesis via the shikimate pathway. GGDP, geranylgeranyl pyrophosphate; GGPS, geranylgeranyl diphosphate synthase; LCYB, lycopene β-ring hydroxylase; LCYE, lycopene ε-ring hydroxylase.
