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Title: An increase of lycopene content in tomato fruit is associated to a novel Cyc-B allele isolated through TILLING technology Journal name: Molecular Breeding

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  1. Title: An increase of lycopene content in tomato fruit is associated to a novel Cyc-B allele isolated through TILLING technology Journal name: Molecular Breeding Authors: Maria Francesca Silletti, Angelo Petrozza, Adriana Lucia Stigliani, Giovanni Giorio, Francesco Cellini, Caterina D’Ambrosio, Filomena Carriero Corresponding author: Dr. Filomena Carriero, Metapontum Agrobios, S.S. Jonica 106 Km 448.2, 75012 Metaponto (MT), Italy email: fcarriero@agrobios.it GGPP PSY1 PDS ZISO ZDS CRTISO Petal Ripe fruit Lycopene Leaf LCY-B CYC-B LCY-B CYC-B LCY-E LCY-B δ-Carotene γ-Carotene LCY-B CYC-B LCY-B CYC-B LCY-B LCY-B β-Carotene α-Carotene CRTR-B1 CRTR-B1/B2 CRTR-B1 CYP97A29 Zeaxanthin zeinoxanthin ZEP1 VDE1 ZEP1 ZEP1 CYP97C11 Lutein Violaxanthin Unknown Neoxanthin Fig. S1 Schematic representation of the carotenoid pathway. Enzymes involved in each step and in the different tomato tissues (leaf, petal and ripe fruit) are highlighted in bold. PSY1, phytoene synthase; PDS, phytoene desaturase; ZISO, 15-cis-z-carotene isomerase; ZDS, z-carotene desaturase; CRTISO, carotenoid cis-trans-isomerase; LCY-B, lycopene β-cyclase; CYC-B, lycopene β-cyclase; LCY-E, lycopene ε-cyclase;CRTR-B1/B2, β-carotene hydroxylase; CYP97A29, Cyt P450-type monooxygenase 97A29; CYP97C11, Cyt P450-type monooxygenase 97C11; ZEP1, zeaxanthin de-epoxidase; VDE1, violaxanthin desaturase.

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