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Integrative transcriptome and metabolome analysis reveals the discrepancy in the accumulation of active ingredients between Lycium barbarum cultivars

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Abstract

Main conclusion

The combined analysis of transcriptome and metabolome provided molecular insight into the dynamics of multiple active ingredients biosynthesis and accumulation across different cultivars of Lycium barbarum.

Abstract

Lycium barbarum L. has a high concentration of active ingredients and is well known in traditional Chinese herbal medicine for its therapeutic properties. However, there are many Lycium barbarum cultivars, and the content of active components varies, resulting in inconsistent quality between Lycium barbarum cultivars. At present, few research has been conducted to reveal the difference in active ingredient content among different cultivars of Lycium barbarum at the molecular level. Therefore, the transcriptome of 'Ningqi No.1' and 'Qixin No.1' during the three development stages (G, T, and M) was constructed in this study. A total of 797,570,278 clean reads were obtained. Between the two types of wolfberries, a total of 469, 2394, and 1531 differentially expressed genes (DEGs) were obtained in the ‘G1 vs. G10,’ ‘T1 vs. T10,’ and ‘M1 vs. M10,’ respectively, and were annotated with Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) orthology identifiers. Using these transcriptome data, most DEGs related to the metabolism of the active ingredients in 'Ningqi No.1' and 'Qixin No.1' were identified. Moreover, a widely targeted metabolome analysis of the metabolites of 'Ningqi 1' and 'Qixin 1' fruits at the maturity stage revealed 1,135 differentially expressed metabolites (DEMs) in ‘M1 vs. M10,’ and many DEMs were associated with active ingredients such as flavonoids, alkaloids, terpenoids, and so on. We further quantified the flavonoid, lignin, and carotenoid contents of the two Lycium barbarum cultivars during the three developmental stages. The present outcome provided molecular insight into the dynamics of multiple active ingredients biosynthesis and accumulation across different cultivars of Lycium barbarum, which would provide the basic data for the formation of Lycium barbarum fruit quality and the breeding of outstanding strains.

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Data availability

The transcriptome data have been deposited in the National Center for Biotechnology Information (NCBI) BioProject database with valid accession number PRJNA1004423 [https://dataview.ncbi.nlm.nih.gov/object/PRJNA1004423?reviewer=ovlag0321dto94ia461k7dkru3].

Abbreviations

GO:

Gene ontology

KEGG:

Kyoto Encyclopedia of Genes and Genomes

DEGs:

Differentially expressed genes

DEMs:

Differentially expressed metabolites

CCAs:

Canonical correlation analyses

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Acknowledgements

This work was supported by project ‘Differentiation analysis and functional gene mining of Lycium barbarum core germplasm resources’ from Ningxia Hui Autonomous Region Wolfberry Industry Development Center of China; the Chinese Central Government Guiding Local Funds for Science and Technology Development (2023FRD05032); National Natural Science Foundation of China (31560418); Key R&D plan of Ningxia Hui Autonomous Region (2022BBF02010).

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Contributions

RZ and ZP-Z conceived and designed research. XX-L and HG performed the experiments. XX-L wrote the manuscript. SJ-Y and YR proofread manuscripts. JN-T and JZ-Z collected the Lycium barbarum cultivars and participated in the planting and management of the materials. All authors contributed to the article and approved the submitted version.

Corresponding authors

Correspondence to Sijun Yue or Rui Zheng.

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The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

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Communicated by De-Yu Xie.

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Liu, X., Gao, H., Radani, Y. et al. Integrative transcriptome and metabolome analysis reveals the discrepancy in the accumulation of active ingredients between Lycium barbarum cultivars. Planta 259, 74 (2024). https://doi.org/10.1007/s00425-024-04350-0

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  • DOI: https://doi.org/10.1007/s00425-024-04350-0

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