Lycium RIN negatively modulate the biosynthesis of kukoamine A in hairy roots through decreasing thermospermine synthase expression
Copyright © 2023. Published by Elsevier B.V..
Root bark (Lycii cortex) of Lycium contains high contents of characteristic bioactive compounds, including kukoamine A (KuA) and kukoamine B (KuB). RIPENING INHIBITOR (RIN) is well known as a master regulator of Solanaceaous fruit ripening. However, the role of RIN in the biosynthetic pathway of KuA in Lycium remains unclear. In this study, integrated transcriptomic, metabolomic analyses and hairy root system are used to characterize the role of RIN in KuA biosynthesis in Lycium. The ultra performance liquid chromatography electrospray ionization tandem mass spectrometry analysis revealed that KuA was significantly induced in LrRIN1 RNAi lines and not detected in overexpression lines. A total of 20,913 differentially expressed genes (DEGs) and 60 differentially accumulated metabolites (DAMs) were detected in LrRIN1 transgenic hairy roots, which were used for weighted gene co-expression network analysis. Our result reveals a high association between KuA and structural genes in the phenolamide pathway, which shows a negative correlation with LrRIN1. In addition, overexpression of the polyamine pathway gene thermospermine synthase LcTSPMS, a potential target gene of Lycium RIN, increased the contents of both KuA and KuB in L. chinense hairy root, indicating that TSPMS is responsible for KuA biosynthesis and is also the common upstream biosynthetic gene for both KuA and KuB. Our results lay a solid foundation for uncovering the biosynthetic pathway of KuA, which will facilitate the molecular breeding and genetic improvement of Lycium species.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:252 |
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| Enthalten in: |
International journal of biological macromolecules - 252(2023) vom: 01. Dez., Seite 126246 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wei, Jinrong [VerfasserIn] |
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| Links: |
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| Themen: |
2FZ7Y3VOQX |
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| Anmerkungen: |
Date Completed 15.11.2023 Date Revised 22.11.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.ijbiomac.2023.126246 |
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| funding: |
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| PPN (Katalog-ID): |
NLM360670288 |
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| 520 | |a Copyright © 2023. Published by Elsevier B.V. | ||
| 520 | |a Root bark (Lycii cortex) of Lycium contains high contents of characteristic bioactive compounds, including kukoamine A (KuA) and kukoamine B (KuB). RIPENING INHIBITOR (RIN) is well known as a master regulator of Solanaceaous fruit ripening. However, the role of RIN in the biosynthetic pathway of KuA in Lycium remains unclear. In this study, integrated transcriptomic, metabolomic analyses and hairy root system are used to characterize the role of RIN in KuA biosynthesis in Lycium. The ultra performance liquid chromatography electrospray ionization tandem mass spectrometry analysis revealed that KuA was significantly induced in LrRIN1 RNAi lines and not detected in overexpression lines. A total of 20,913 differentially expressed genes (DEGs) and 60 differentially accumulated metabolites (DAMs) were detected in LrRIN1 transgenic hairy roots, which were used for weighted gene co-expression network analysis. Our result reveals a high association between KuA and structural genes in the phenolamide pathway, which shows a negative correlation with LrRIN1. In addition, overexpression of the polyamine pathway gene thermospermine synthase LcTSPMS, a potential target gene of Lycium RIN, increased the contents of both KuA and KuB in L. chinense hairy root, indicating that TSPMS is responsible for KuA biosynthesis and is also the common upstream biosynthetic gene for both KuA and KuB. Our results lay a solid foundation for uncovering the biosynthetic pathway of KuA, which will facilitate the molecular breeding and genetic improvement of Lycium species | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Kukoamine A | |
| 650 | 4 | |a Lycium | |
| 650 | 4 | |a Phenolamide | |
| 650 | 4 | |a RIN | |
| 650 | 4 | |a Thermospermine synthase | |
| 650 | 7 | |a kukoamine A |2 NLM | |
| 650 | 7 | |a thermospermine |2 NLM | |
| 650 | 7 | |a 70862-11-2 |2 NLM | |
| 650 | 7 | |a Spermine |2 NLM | |
| 650 | 7 | |a 2FZ7Y3VOQX |2 NLM | |
| 650 | 7 | |a kukoamine B |2 NLM | |
| 700 | 1 | |a Chahel, Aysha Arif |e verfasserin |4 aut | |
| 700 | 1 | |a Ni, Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Xiaoyi |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Yuling |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Zeng, Shaohua |e verfasserin |4 aut | |
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