ArticlePlanta2014
A chimeric transcript containing Psy1 and a potential mRNA is associated with yellow flesh color in tomato accession PI 114490.
Article in Planta, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Tomato-Soy Juice Reduces Inflammation and Modulates the Urinary Metabolome in Adults With Obesity.Molecular nutrition & food research · 2026Trial
- Developing new tomato lines in Indigo Rose genetic background with differential anthocyanin and carotenoid production in fruits.Frontiers in plant science · 2026Article
- Overlapping and specialized roles of tomato phytoene synthases in carotenoid and abscisic acid production.Plant physiology · 2023Article
- Beyond green and red: unlocking the genetic orchestration of tomato fruit color and pigmentation.Functional & integrative genomics · 2023Review
- A metabolome and transcriptome survey to tap the dynamics of fruit prolonged shelf-life and improved quality within Greek tomato germplasm.Frontiers in plant science · 2023Article
- Article
- Skin colour, carotenogenesis and chlorophyll degradation mutant alleles: genetic orchestration behind the fruit colour variation in tomato.Plant cell reports · 2021Review
- Exogenous Application of 5-Aminolevulinic Acid Promotes Coloration and Improves the Quality of Tomato Fruit by Regulating Carotenoid Metabolism.Frontiers in plant science · 2021Article
- SlMYB72 Regulates the Metabolism of Chlorophylls, Carotenoids, and Flavonoids in Tomato Fruit.Plant physiology · 2020Article
- Phytoene synthase 2 can compensate for the absence of PSY1 in the control of color in Capsicum fruit.Journal of experimental botany · 2020Article
- Transcription of lncRNARNA biology · 2020Article
- Color Mutations Alter the Biochemical Composition in the San Marzano Tomato Fruit.Metabolites · 2020Article
- Genome-wide characterization of simple sequence repeats in Pyrus bretschneideri and their application in an analysis of genetic diversity in pear.BMC genomics · 2018Article
- Molecular Insights Reveal Psy1, SGR, and SlMYB12 Genes are Associated with Diverse Fruit Color Pigments in Tomato (Solanum lycopersicum L.).Molecules (Basel, Switzerland) · 2017Article
- The yellow-fruited tomato 1 (yft1) mutant has altered fruit carotenoid accumulation and reduced ethylene production as a result of a genetic lesion in ETHYLENE INSENSITIVE2.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- Evolutionary developmental genetics of fruit morphological variation within the Solanaceae.Frontiers in plant science · 2015Review
- A rapid and sensitive method for determination of carotenoids in plant tissues by high performance liquid chromatography.Plant methods · 2015Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Carotenoid content is the primary determinant of fruit color that affects nutritional value and appearance in tomato. Phytoene synthase (PSY) is the key regulatory enzyme in the carotenoid biosynthesis pathway. Absent function of PSY1 in tomato fruit results in yellow flesh phenotype. We, here, report that two different transcripts, a wild-type (Psy1) and a chimeric mRNA (Psy1/Unknown), exist in a yellow-fruited tomato accession PI 114490. Psy1/Unknown is generated by joining exons from two different genes, Psy1 and an unknown gene, transcribed using both complementary DNA strands. The Psy1 shows low expression in the fruit of PI 114490, while the expression of Psy1/Unknown in the fruit of PI 114490 shows the same pattern as Psy1 in red fruit. The PSY1/Unknown has a lower function than PSY1 in a bacterial expression system. Coincidence of one single-nucleotide polymorphism (SNP) in the fourth intron and one simple sequence repeat (SSR) with 19 AT repeats in the downstream sequence of Psy1 gene with Psy1/Unknown in a set of yellow-fruited tomato lines indicates that Psy1/Unknown might be caused by the SNP and/or SSR. One possible explanation of these observations is trans-splicing. Severely reduced Psy1 transcript caused by Psy1/Unknown results in low accumulation of carotenoid and yellow flesh in PI 114490.
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