ArticlePlanta2011
Expression, subcellular localization, and cis-regulatory structure of duplicated phytoene synthase genes in melon (Cucumis melo L.).
Article in Planta, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 46 citations in OpenAlex.
- Genome-wide analysis of terpene synthase family in peanut (Arachis hypogaea L.) explores the potential cross-talk in terpenoid biosynthesis.BMC genomics · 2025Article
- Light-mediated activation ofFrontiers in plant science · 2025Article
- Overexpressing CsPSY1 Gene of Tea Plant, Encoding a Phytoene Synthase, Improves α-Carotene and β-Carotene Contents in Carrot.Molecular biotechnology · 2024Article
- The Carrot Phytoene Synthase 2 (Plants (Basel, Switzerland) · 2023Article
- Transcript expression level analysis of phytoene synthase and phytoene desaturase associated with β-carotene content in selected Kenyan Bitter melon.Molecular biology reports · 2022Article
- Expression ofPlants (Basel, Switzerland) · 2022Article
- Perturbations in the Carotenoid Biosynthesis Pathway in Tomato Fruit Reactivate the Leaf-Specific Phytoene Synthase 2.Frontiers in plant science · 2022Article
- The analysis of reference genes expression stability in susceptible and resistant Apera spica-venti populations under herbicide treatment.Scientific reports · 2021Article
- Characterization of 15-Plants (Basel, Switzerland) · 2021Article
- Inhibition of Carotenoid Biosynthesis by CRISPR/Cas9 Triggers Cell Wall Remodelling in Carrot.International journal of molecular sciences · 2021Article
- Differential Regulation of Phytoene Synthase PSY1 During Fruit Carotenogenesis in Cultivated and Wild Tomato Species (Plants (Basel, Switzerland) · 2020Article
- A Neighboring Aromatic-Aromatic Amino Acid Combination Governs Activity Divergence between Tomato Phytoene Synthases.Plant physiology · 2019Article
- The Specialized Roles in Carotenogenesis and Apocarotenogenesis of the Phytoene Synthase Gene Family in Saffron.Frontiers in plant science · 2019Article
- Unraveling the induction of phytoene synthase 2 expression by salt stress and abscisic acid in Daucus carota.Journal of experimental botany · 2018Article
- Metabolite Profiles of Sugarcane Culm Reveal the Relationship Among Metabolism and Axillary Bud Outgrowth in Genetically Related Sugarcane Commercial Cultivars.Frontiers in plant science · 2018Article
- Strigolactone Levels in Dicot Roots Are Determined by an Ancestral Symbiosis-Regulated Clade of theFrontiers in plant science · 2018Article
- Distinct Mechanisms of the ORANGE Protein in Controlling Carotenoid Flux.Plant physiology · 2017Article
- Carotenogenesis Is Regulated by 5'UTR-Mediated Translation of Phytoene Synthase Splice Variants.Plant physiology · 2016Article
- A genetic screen for increasing metabolic flux in the isoprenoid pathway ofMetabolic engineering communications · 2016Article
- Assessment of Suitable Reference Genes for Quantitative Gene Expression Studies in Melon Fruits.Frontiers in plant science · 2016Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Carotenoids perform many critical functions in plants, animals, and humans. It is therefore important to understand carotenoid biosynthesis and its regulation in plants. Phytoene synthase (PSY) catalyzes the first committed and rate-limiting step in carotenoid biosynthesis. While PSY is present as a single copy gene in Arabidopsis, duplicated PSY genes have been identified in many economically important monocot and dicot crops. CmPSY1 was previously identified from melon (Cucumis melo L.), but was not functionally characterized. We isolated a second PSY gene, CmPSY2, from melon in this work. CmPSY2 possesses a unique intron/exon structure that has not been observed in other plant PSYs. Both CmPSY1 and CmPSY2 are functional in vitro, but exhibit distinct expression patterns in different melon tissues and during fruit development, suggesting differential regulation of the duplicated melon PSY genes. In vitro chloroplast import assays verified the plastidic localization of CmPSY1 and CmPSY2 despite the lack of an obvious plastid target peptide in CmPSY2. Promoter motif analysis of the duplicated melon and tomato PSY genes and the Arabidopsis PSY revealed distinctive cis-regulatory structures of melon PSYs and identified gibberellin-responsive motifs in all PSYs except for SlPSY1, which has not been reported previously. Overall, these data provide new insights into the evolutionary history of plant PSY genes and the regulation of PSY expression by developmental and environmental signals that may involve different regulatory networks.
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