ArticleMolecular biology reports2020
Assessment of sugar and sugar accumulation-related gene expression profiles reveal new insight into the formation of low sugar accumulation trait in a sweet orange (Citrus sinensis) bud mutant.
Article in Molecular biology reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 33 citations in OpenAlex.
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- Effects of Different Postharvest Treatments on Fruit Quality, Sucrose Metabolism, and Antioxidant Capacity of 'Newhall' Navel Oranges During Storage.Plants (Basel, Switzerland) · 2025Article
- Expression of carbohydrate-related genes underlying 3,5,6-TPA-induced fruitlet abscission in citrus.Scientific reports · 2024Article
- Potassium stimulates fruit sugar accumulation by increasing carbon flow inHorticulture research · 2024Article
- Multi-omics analysis provides new insights into the changes of important nutrients and fructose metabolism in loquat bud sport mutant.Frontiers in plant science · 2024Article
- Combination of transcriptomic, biochemical, and physiological analyses reveals sugar metabolism inFrontiers in plant science · 2024Article
- Transcriptome Analysis and VIGS Identification of Key Genes Regulating Citric Acid Metabolism in Citrus.Current issues in molecular biology · 2023Article
- Differential Expression of miRNAs Involved in Response toPlants (Basel, Switzerland) · 2023Article
- Comparative transcriptomics of wild and commercial Citrus during early ripening reveals how domestication shaped fruit gene expression.BMC plant biology · 2022Article
- Fruit quality and volatile constituents of a new very early-ripening pummelo (Frontiers in plant science · 2022Article
- Antioxidant Metabolites in Primitive, Wild, and Cultivated Citrus and Their Role in Stress Tolerance.Molecules (Basel, Switzerland) · 2021Review
- Classical Food Quality Attributes and the Metabolic Profile of Cambuci, a Native Brazilian Atlantic Rainforest Fruit.Molecules (Basel, Switzerland) · 2021Article
- Genomic insights into citrus domestication and its important agronomic traits.Plant communications · 2021Review
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
Abstract
The accumulation of soluble sugars in fleshy fruits largely determines their sweetness or taste. A spontaneous sweet orange mutant 'Hong Anliu' (HAL, Citrus sinensis) accumulates low soluble sugar content in fruit juice sacs than its wild type, 'Anliu' (AL) orange; however, the cause of reduced sugar content in 'HAL' fruit remains unclear. In this study, sugar content and expression profiles of genes involved in sugar metabolism and transport were compared between 'HAL' and 'AL' fruit juice sacs. In both cultivars, fructose and glucose displayed the increasing trends with significantly lower contents in 'HAL' than 'AL' after 160 DAF; moreover, sucrose had a declining trend in 'HAL' and increasing trend in 'AL' with fruit development. On the other hand, transcript levels of VINV, CWINV1, CWINV2, SUS4, SUS5, SPS1, SPS2, VPP-1, VPP-2, and some sugar transporter genes were significantly decreased in 'HAL' compared with 'AL' after 100 DAF or 160 DAF. Interestingly, the transcript levels of SPS2 and SUT2 exhibited a similar trend as it was found for sucrose content in both cultivars. These results suggested that the low sugar accumulation in 'HAL' fruit JS is accompanied by the reduced sink strength, sucrose-synthesis ability, and vacuolar storage ability compared with 'AL'; reduction of CWINVs, VINV, SPS2, SUT2, VPP-1, and VPP-2 transcript levels possibly plays a key role in the low storage of soluble sugars in the vacuoles of mutant juice sacs.
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