Transcriptomic and metabolomic analyses of non-structural carbohydrates in red maple leaves
- 21 February 2021
- journal article
- research article
- Published by Springer Science and Business Media LLC in Functional & Integrative Genomics
- Vol. 21 (2), 265-281
- https://doi.org/10.1007/s10142-021-00776-x
Abstract
Plant sugars serve to balance nutrition, regulate development, and respond to biotic and abiotic stresses, whereas non-structural carbohydrates (NSCs) are essential energy sources that facilitate plant growth, metabolism, and environmental adaptation. To better elucidate the mechanisms of NSCs in red maple, ultrahigh-performance liquid chromatograph Q extractive mass spectrometry (UHPLC-QE-MS) and high-throughput RNA-sequencing were performed on green, red, and yellow leaves from a selected red maple mutant. In green leaves, the fructose phosphorylation process exhibited greater flux. In yellow leaves, sucrose and starch had a stronger capacity for synthesis and degradation, whereas in red leaves, there was a greater accumulation of trehalose and manninotriose. ArTPS5 positively regulated amylose, which was negatively regulated by ArFBP2, whereas ArFRK2 and ArFBP13 played a positive role in the biosynthesis of Sucrose-6P. Sucrose-6P also regulated anthocyanins and abscisic acid in red maple by affecting transcription factors. The results of this paper can assist with the control and optimization of the biosynthesis of NSCs in red maple, which may ultimately provide the foundation for influencing sugar production in Acer.Keywords
Funding Information
- Natural Science Foundation of Anhui Province (1908085QC113)
- Major Research and Development Projects in Anhui Province (202004a06020019)
- Study on Breeding and Cultivation Techniques of Sugar Maple (AHLYCX-2019-16)
- Ningbo Scientific and Technological Innovation 2025 Major Projects (2019B10012)
- National Natural Science Foundation of China (31600543)
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