ArticlePlant biotechnology journal2019
Transcriptome and metabolome reveal distinct carbon allocation patterns during internode sugar accumulation in different sorghum genotypes.
Article in Plant biotechnology journal, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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41 citing papers in PubMed, 74 citations in OpenAlex.
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- Time-Series Comparative Transcriptome Analyses of Two Potato Cultivars with Different Verticillium Wilt Resistance.Plants (Basel, Switzerland) · 2025Article
- Functional characterization of PavIAA6 in sweet cherry: a key regulator of pigmentation, flavor, and nutrient accumulation.BMC plant biology · 2025Article
- Decades' progress and prospects on maize functional genomics and molecular breeding.Science China. Life sciences · 2025Review
- Identification of Candidate Gene Networks Controlling Soluble Sugar Metabolism DuringFoods (Basel, Switzerland) · 2025Article
- TaPP2C-a6 interacts with TaDOG1Ls and regulates seed dormancy and germination in wheat.Plant biotechnology journal · 2025Article
- RNA-seq Analysis of the Mechanisms Underlying Chalky Grain and Characterization of Two IAA Receptor Proteins OsAFB3 and OsAFB5 in Chalkiness Formation in Oryza sativa.Rice (New York, N.Y.) · 2025Article
- Metabolomics analysis of five cultivars of Sorghum bicolor reveals the contribution of flavonoid pathway to tannin content.PloS one · 2025Article
- Comparative analysis of the transcriptomes from regenerated plants and root explants of endangered Oplopanax elatus.Genes & genomics · 2024Article
- Characterization and Transcriptomic Analysis of Sorghum EIN/EIL Family and Identification of Their Roles in Internode Maturation.Plants (Basel, Switzerland) · 2024Article
- Genome-Wide Identification of GH17s Family Genes and Biological Function Analysis of SlA6 in Tomato.Plants (Basel, Switzerland) · 2024Article
- Potential Roles of the GRF Transcription Factors in Sorghum Internodes during Post-Reproductive Stages.Plants (Basel, Switzerland) · 2024Article
- Divergent Roles of the Auxin Response Factors in Lemongrass (International journal of molecular sciences · 2024Article
- Partial root-zone drying combined with nitrogen treatments mitigates drought responses in rice.Frontiers in plant science · 2024Article
- Harnessing the Genetic Basis of Sorghum Biomass-Related Traits to Facilitate Bioenergy Applications.International journal of molecular sciences · 2023Article
- Combined Metabolome and Transcriptome Analysis Elucidates Sugar Accumulation in Wucai (International journal of molecular sciences · 2023Article
- Efficient Accumulation of Amylopectin and Its Molecular Mechanism in the Submerged Duckweed Mutant.International journal of molecular sciences · 2023Article
- Editorial: Advances in crop biomass production based on multi-omics approach.Frontiers in plant science · 2023Article
- Sugar accumulation enhancement in sorghum stem is associated with reduced reproductive sink strength and increased phloem unloading activity.Frontiers in plant science · 2023Article
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Authors and funding
7 authors at 2 institutions in 1 country.
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Abstract
Sweet sorghum accumulates large amounts of soluble sugar in its stem. However, a system-based understanding of this carbohydrate allocation process is lacking. Here, we compared the dynamic transcriptome and metabolome between the conversion line R9188 and its two parents, sweet sorghum RIO and grain sorghum BTx406 that have contrasting sugar-accumulating phenotypes. We identified two features of sucrose metabolism, stable concentrations of sugar phosphates in RIO and opposite trend of trehalose-6-phosphate (T6P) between RIO vs R9188/BTx406. Integration of transcriptome and metabolome revealed R9188 is partially active in starch metabolism together with medium sucrose level, whereas sweet sorghum had the highest sucrose concentration and remained highly active in sucrose, starch, and cell wall metabolism post-anthesis. Similar expression pattern of genes involved in sucrose degradation decreased the pool of sugar phosphates for precursors of starch and cell wall synthesis in R9188 and BTx406. Differential T6P signal between RIO vs R9188/BTx406 is associated with introgression of T6P regulators from BTx406 into R9188, including C-group bZIP and trehalose 6-phosphate phosphatase (TPP). The inverted T6P signalling in R9188 appears to down-regulate sucrose and starch metabolism partly through transcriptome reprogramming, whereas introgressed metabolic genes could be related to reduced cell wall metabolism. Our results show that coordinated primary metabolic pathways lead to high sucrose demand and accumulation in sweet sorghum, providing us with targets for genetic improvements of carbohydrate allocation in bioenergy crops.
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