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Article

Color Mutations Alter the Biochemical Composition in the San Marzano Tomato Fruit

1
DAFNE Dept. of Agriculture and Forest Sciences, University of Tuscia, Via S.C. de Lellis snc, 01100 Viterbo, Italy
2
IBMCP Institute for Plant Molecular and Cell Biology (CSIC-UPV), Carrer de l’Enginyer Fausto Elio, s/n, 46022 Valencia, Spain
3
Department of Agricultural and Environmental Sciences, Jaume I University, Av. Vicent Sos Baynat, s/n. 12071 Castellòn de la Plana, Spain
4
ENEA, Casaccia Research Center, Via Anguillarese 301, S. Maria di Galeria, 00123 Rome, Italy
*
Author to whom correspondence should be addressed.
Metabolites 2020, 10(3), 110; https://doi.org/10.3390/metabo10030110
Received: 14 February 2020 / Revised: 7 March 2020 / Accepted: 12 March 2020 / Published: 15 March 2020
(This article belongs to the Special Issue Fruit Metabolism and Metabolomics)
San Marzano (SM) is a traditional Italian landrace characterized by red elongated fruits, originating in the province of Naples (Italy) and cultivated worldwide. Three mutations, yellow flesh (r), green flesh (gf) and colorless fruit epidermis (y) were introduced into SM by backcross and the resulting introgression lines (ILs) produced the expected yellow, brown and pink fruit variants. In addition, ILs carrying double combinations of those mutations were obtained. The six ILs plus the SM reference were analyzed for volatile (VOC), non-polar (NP) and polar (P) metabolites. Sixty-eight VOCs were identified, and several differences evidenced in the ILs; overall gf showed epistasis over r and y and r over y. Analysis of the NP component identified 54 metabolites; variation in early carotenoids (up to lycopene) and chlorophylls characterized respectively the ILs containing r and gf. In addition, compounds belonging to the quinone and xanthophyll classes were present in genotypes carrying the r mutation at levels higher than SM. Finally, the analysis of 129 P metabolites evidenced different levels of vitamins, amino acids, lipids and phenylpropanoids in the ILs. A correlation network approach was used to investigate metabolite–metabolite relationships in the mutant lines. Altogether these differences potentially modified the hedonistic and nutritional value of the berry. In summary, single and combined mutations in gf, r and y generated interesting visual and compositional diversity in the SM landrace, while maintaining its original typology. View Full-Text
Keywords: fruit pigmentation; introgression lines; metabolomics; mass spectrometry; San Marzano landrace; tomato fruit pigmentation; introgression lines; metabolomics; mass spectrometry; San Marzano landrace; tomato
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MDPI and ACS Style

Dono, G.; Rambla, J.L.; Frusciante, S.; Granell, A.; Diretto, G.; Mazzucato, A. Color Mutations Alter the Biochemical Composition in the San Marzano Tomato Fruit. Metabolites 2020, 10, 110. https://doi.org/10.3390/metabo10030110

AMA Style

Dono G, Rambla JL, Frusciante S, Granell A, Diretto G, Mazzucato A. Color Mutations Alter the Biochemical Composition in the San Marzano Tomato Fruit. Metabolites. 2020; 10(3):110. https://doi.org/10.3390/metabo10030110

Chicago/Turabian Style

Dono, Gabriella; Rambla, Jose L.; Frusciante, Sarah; Granell, Antonio; Diretto, Gianfranco; Mazzucato, Andrea. 2020. "Color Mutations Alter the Biochemical Composition in the San Marzano Tomato Fruit" Metabolites 10, no. 3: 110. https://doi.org/10.3390/metabo10030110

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