ArticleBMC plant biology2019
Decarboxylation mechanisms of C4 photosynthesis in Saccharum spp.: increased PEPCK activity under water-limiting conditions.
Article in BMC plant biology, 2019. 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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Who cites it
14 citing papers in PubMed.
- Brassinosteroids promote sugar synthesis by inhibiting BIN2 phosphorylation of phosphoenolpyruvate carboxykinase.Nature plants · 2026Article
- Adaptive Responses of Tropical Crops: A Multi-Scale Omics Integrated Perspective.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Overexpression of Phosphoenolpyruvate Carboxykinase Increases Photosynthetic Efficiency and Salt Tolerance in Rice.Plants (Basel, Switzerland) · 2026Article
- Coupling photosynthetic physiology and CFrontiers in plant science · 2026Article
- Brassinosteroids promote sugar synthesis by inhibiting BIN2 phosphorylation of phosphoenolpyruvate carboxykinase.bioRxiv : the preprint server for biology · 2025Article
- Overexpression of the CAM-Derived NAC Transcription Factor KfNAC83 Enhances Photosynthesis, Water-Deficit Tolerance, and Yield inCurrent issues in molecular biology · 2025Article
- Fast dehydration reduces bundle sheath conductance in CThe New phytologist · 2024Article
- A near-complete genome assembly of the allotetrapolyploid Cenchrus fungigraminus (JUJUNCAO) provides insights into its evolution and C4 photosynthesis.Plant communications · 2023Article
- Review
- Distinct CPlant direct · 2021Article
- Improving C4 photosynthesis to increase productivity under optimal and suboptimal conditions.Journal of experimental botany · 2021Article
- Synthetic Enzyme-Catalyzed COChemSusChem · 2021Review
- Carbon Dioxide Concentration Mechanisms in Natural Populations of Marine Diatoms: Insights FromFrontiers in plant science · 2021Article
- Article
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Authors and funding
7 authors.
Funding
Abstract
backgroundC4 plants have been classified into three subtypes based on the enzymes used to decarboxylate C4 acids in the bundle sheath cells (NADP-ME, NAD-ME and PEPCK pathways). Evidences indicate that, depending on environmental factors, C4 plants may exhibit a certain degree of flexibility in the use of the decarboxylation mechanisms. In this context, the objective was to extend the knowledge on the degree of flexibility between the pathways of decarboxylation in sugarcane, a NADP-ME species, at different levels of water deficit.
resultsAn experiment was carried out with two cultivars - RB92579 (tolerant to water deficit) and SP80-3280 (susceptible to water deficit) subjected to moderate level (- 1.5 to - 1.8 MPa), severe level (below - 2.0 MPa) and recovery (48 h after rehydration) and changes in the activities of the enzymes involved in the three C4 mechanisms and in gene expression were investigated. Our results showed that sugarcane uses the PEPCK pathway as a decarboxylation mechanism in addition to the NADP-ME, which was more evident under water deficit conditions for both cultivars.
conclusionsThe results obtained here, show that sugarcane increases the use of the PEPCK pathway as a decarboxylation mechanism, in addition to the NADP-ME pathway, under conditions of water deficit, particularly in the tolerant cultivar.
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