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Metabolomics analysis of Dendrobium officinale tissue-cultured seedlings under red-blue composed light by using HPLC and UPLC-Q/TOF-MS

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Abstract

Dendrobium officinale is a perennial herb with medicinal and edible qualities. The growth and nutritional properties of this plant are significantly affected by the light quality. However, the impact of varying light quality on the phytochemical characteristics of tissue-cultured seedlings of D. officinale is still unknown. In this study, tissue-cultured seedlings of D. officinale were grown for ninety days under six LED lights, including white light (W), blue LED (B), red LED (R), and three composite light environments with varying quantities of red and blue light: 1:2 (R1B2), 1:1 (R1B1), and 2:1 (R2B1). The growth status and physiological signs of the seedlings were analyzed and we used high-performance liquid chromatography (HPLC), ultra-performance liquid chromatography/time-of-flight mass spectrometry (UPLC-Q/TOF-MS), and pathway enrichment analysis to thoroughly examine the metabolomic changes, with a focus on phenolic compounds. Our results indicated that R2B1 illumination led to the best growth of D. officinale seedlings, with maximal energy absorption, and phenolic contents. In conclusion, R2B1 was considered the most profitable for tissue-culture production of D. officinale.

Key message

The present study emphasizes that red-blue composite light significantly affects growth metrics, biomass production, and bioactive constituents of Dendrobium officinale tissue-cultured seedlings.

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All data supporting the findings of this study are available within the paper and it’s Supplementary Information.

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Funding

This work was supported by the project of Jiangxi Provincial Department of Science and Technology (20212AEI91010), and the National Natural Science Foundation of China (32360646).

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Contributions

All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Gaowei Zhang, Liping Luo and Yingbin Hao. The first draft of the manuscript was written by Kaili Tian, Fangjian Ning, Dong Wu, Qifang Sun, Wenjie Yu, Shengxiang Yi and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Yingbin Hao.

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The authors declare that they have no competing interests.

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Communicated by Ming-Tsair Chan.

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Zhang, G., Luo, L., Tian, K. et al. Metabolomics analysis of Dendrobium officinale tissue-cultured seedlings under red-blue composed light by using HPLC and UPLC-Q/TOF-MS. Plant Cell Tiss Organ Cult 156, 49 (2024). https://doi.org/10.1007/s11240-023-02678-1

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  • DOI: https://doi.org/10.1007/s11240-023-02678-1

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