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Volná A, Červeň J, Nezval J, Pech R, Špunda V. Bridging the Gap: From Photoperception to the Transcription Control of Genes Related to the Production of Phenolic Compounds. Int J Mol Sci 2024; 25:7066. [PMID: 39000174 PMCID: PMC11241081 DOI: 10.3390/ijms25137066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 06/21/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
Phenolic compounds are a group of secondary metabolites responsible for several processes in plants-these compounds are involved in plant-environment interactions (attraction of pollinators, repelling of herbivores, or chemotaxis of microbiota in soil), but also have antioxidative properties and are capable of binding heavy metals or screening ultraviolet radiation. Therefore, the accumulation of these compounds has to be precisely driven, which is ensured on several levels, but the most important aspect seems to be the control of the gene expression. Such transcriptional control requires the presence and activity of transcription factors (TFs) that are driven based on the current requirements of the plant. Two environmental factors mainly affect the accumulation of phenolic compounds-light and temperature. Because it is known that light perception occurs via the specialized sensors (photoreceptors) we decided to combine the biophysical knowledge about light perception in plants with the molecular biology-based knowledge about the transcription control of specific genes to bridge the gap between them. Our review offers insights into the regulation of genes related to phenolic compound production, strengthens understanding of plant responses to environmental cues, and opens avenues for manipulation of the total content and profile of phenolic compounds with potential applications in horticulture and food production.
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Affiliation(s)
- Adriana Volná
- Department of Physics, University of Ostrava, 710 00 Ostrava, Czech Republic; (A.V.); (J.N.); (R.P.)
| | - Jiří Červeň
- Department of Biology and Ecology, University of Ostrava, 710 00 Ostrava, Czech Republic;
| | - Jakub Nezval
- Department of Physics, University of Ostrava, 710 00 Ostrava, Czech Republic; (A.V.); (J.N.); (R.P.)
| | - Radomír Pech
- Department of Physics, University of Ostrava, 710 00 Ostrava, Czech Republic; (A.V.); (J.N.); (R.P.)
| | - Vladimír Špunda
- Department of Physics, University of Ostrava, 710 00 Ostrava, Czech Republic; (A.V.); (J.N.); (R.P.)
- Global Change Research Institute, Czech Academy of Sciences, 603 00 Brno, Czech Republic
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Zhang S, Qi X, Zhu R, Ye D, Shou M, Peng L, Qiu M, Shi M, Kai G. Transcriptome Analysis of Salvia miltiorrhiza under Drought Stress. PLANTS (BASEL, SWITZERLAND) 2024; 13:161. [PMID: 38256715 PMCID: PMC10819027 DOI: 10.3390/plants13020161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/01/2024] [Accepted: 01/04/2024] [Indexed: 01/24/2024]
Abstract
Phenolic acids are one of the major secondary metabolites accumulated in Salvia miltiorrhiza with various pharmacological activities. Moderate drought stress can promote the accumulation of phenolic acids in S. miltiorrhiza, while the mechanism remains unclear. Therefore, we performed transcriptome sequencing of S. miltiorrhiza under drought treatment. A total of 47,169 unigenes were successfully annotated in at least one of the six major databases. Key enzyme genes involved in the phenolic acid biosynthetic pathway, including SmPAL, SmC4H, Sm4CL, SmTAT, SmHPPR, SmRAS and SmCYP98A14, were induced. Unigenes annotated as laccase correlated with SmRAS and SmCYP98A14 were analyzed, and seven candidates that may be involved in the key step of SalB biosynthesis by RA were obtained. A total of 15 transcription factors significantly up-regulated at 2 h and 4 h potentially regulating phenolic acid biosynthesis were screened out. TRINITY_DN14213_c0_g1 (AP2/ERF) significantly transactivated the expression of SmC4H and SmRAS, suggesting its role in the regulation of phenolic acid biosynthesis. GO and KEGG enrichment analysis of differential expression genes showed that phenylpropanoid biosynthesis and plant hormone signal transduction were significantly higher. The ABA-dependent pathway is essential for resistance to drought and phenolic acid accumulation. Expression patterns in drought and ABA databases showed that four PYLs respond to both drought and ABA, and three potential SnRK2 family members were annotated and analyzed. The present study presented a comprehensive transcriptome analysis of S. miltiorrhiza affected by drought, which provides a rich source for understanding the molecular mechanism facing abiotic stress in S. miltiorrhiza.
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Affiliation(s)
- Siwei Zhang
- Laboratory of Medicinal Plant Biotechnology, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (S.Z.); (X.Q.); (D.Y.); (M.S.); (L.P.)
| | - Xinlan Qi
- Laboratory of Medicinal Plant Biotechnology, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (S.Z.); (X.Q.); (D.Y.); (M.S.); (L.P.)
| | - Ruiyan Zhu
- Laboratory of Medicinal Plant Biotechnology, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (S.Z.); (X.Q.); (D.Y.); (M.S.); (L.P.)
- College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
| | - Dongdong Ye
- Laboratory of Medicinal Plant Biotechnology, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (S.Z.); (X.Q.); (D.Y.); (M.S.); (L.P.)
| | - Minyu Shou
- Laboratory of Medicinal Plant Biotechnology, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (S.Z.); (X.Q.); (D.Y.); (M.S.); (L.P.)
| | - Lulu Peng
- Laboratory of Medicinal Plant Biotechnology, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (S.Z.); (X.Q.); (D.Y.); (M.S.); (L.P.)
| | - Minghua Qiu
- State Key Laboratory of Phytochemistry and Sustainable Utilization of Plant Resources in Western China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China;
| | - Min Shi
- Laboratory of Medicinal Plant Biotechnology, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (S.Z.); (X.Q.); (D.Y.); (M.S.); (L.P.)
| | - Guoyin Kai
- Laboratory of Medicinal Plant Biotechnology, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (S.Z.); (X.Q.); (D.Y.); (M.S.); (L.P.)
- State Key Laboratory of Phytochemistry and Sustainable Utilization of Plant Resources in Western China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China;
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Li T, Zhang S, Li Y, Zhang L, Song W, Chen C, Ruan W. Simultaneous Promotion of Salt Tolerance and Phenolic Acid Biosynthesis in Salvia miltiorrhiza via Overexpression of Arabidopsis MYB12. Int J Mol Sci 2023; 24:15506. [PMID: 37958490 PMCID: PMC10648190 DOI: 10.3390/ijms242115506] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Revised: 10/06/2023] [Accepted: 10/17/2023] [Indexed: 11/15/2023] Open
Abstract
Transcription factors play crucial roles in regulating plant abiotic stress responses and physiological metabolic processes, which can be used for plant molecular breeding. In this study, an R2R3-MYB transcription factor gene, AtMYB12, was isolated from Arabidopsis thaliana and introduced into Salvia miltiorrhiza under the regulation of the CaMV35S promoter. The ectopic expression of AtMYB12 resulted in improved salt tolerance in S. miltiorrhiza; transgenic plants showed a more resistant phenotype under high-salinity conditions. Physiological experiments showed that transgenic plants exhibited higher chlorophyll contents, and decreased electrolyte leakage and O2- and H2O2 accumulation when subjected to salt stress. Moreover, the activity of reactive oxygen species (ROS)-scavenging enzymes was enhanced in S. miltiorrhiza via the overexpression of AtMYB12, and transgenic plants showed higher superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD) activities compared with those of the wild type (WT) under salt stress, coupled with lower malondialdehyde (MDA) levels. In addition, the amount of salvianolic acid B was significantly elevated in all AtMYB12 transgenic hair roots and transgenic plants, and qRT-PCR analysis revealed that most genes in the phenolic acid biosynthetic pathway were up-regulated. In conclusion, these results demonstrated that AtMYB12 can significantly improve the resistance of plants to salt stress and promote the biosynthesis of phenolic acids by regulating genes involved in the biosynthetic pathway.
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Affiliation(s)
| | | | | | | | | | - Chengbin Chen
- College of Life Sciences, Nankai University, Tianjin 300071, China; (T.L.); (S.Z.); (Y.L.); (L.Z.); (W.S.)
| | - Weibin Ruan
- College of Life Sciences, Nankai University, Tianjin 300071, China; (T.L.); (S.Z.); (Y.L.); (L.Z.); (W.S.)
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Leng L, Zhang X, Liu W, Wu Z. Genome-Wide Identification of the MYB and bHLH Families in Carnations and Expression Analysis at Different Floral Development Stages. Int J Mol Sci 2023; 24:ijms24119499. [PMID: 37298450 DOI: 10.3390/ijms24119499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 05/26/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
Carnations are one of the most popular ornamental flowers in the world with varied flower colors that have long attracted breeders and consumers alike. The differences in carnation flower color are mainly the result of the accumulation of flavonoid compounds in the petals. Anthocyanins are a type of flavonoid compound that produce richer colors. The expression of anthocyanin biosynthetic genes is mainly regulated by MYB and bHLH transcription factors. However, these TFs have not been comprehensively reported in popular carnation cultivars. Herein, 106 MYB and 125 bHLH genes were identified in the carnation genome. Gene structure and protein motif analyses show that members of the same subgroup have similar exon/intron and motif organization. Phylogenetic analysis combining the MYB and bHLH TFs from Arabidopsis thaliana separates the carnation DcaMYBs and DcabHLHs into 20 subgroups each. Gene expression (RNAseq) and phylogenetic analysis shows that DcaMYB13 in subgroup S4 and DcabHLH125 in subgroup IIIf have similar expression patterns to those of DFR, ANS, and GT/AT, which regulate anthocyanin accumulation, in the coloring of carnations, and in red-flowered and white-flowered carnations, DcaMYB13 and DcabHLH125 are likely the key genes responsible for the formation of red petals in carnations. These results lay a foundation for the study of MYB and bHLH TFs in carnations and provide valuable information for the functional verification of these genes in studies of tissue-specific regulation of anthocyanin biosynthesis.
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Affiliation(s)
- Luhong Leng
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
- Kunpeng Institute of Modern Agriculture at Foshan, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
| | - Xiaoni Zhang
- Kunpeng Institute of Modern Agriculture at Foshan, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
| | - Weichao Liu
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
- Key Laboratory of Horticultural Plant Biology, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China
| | - Zhiqiang Wu
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, China
- Kunpeng Institute of Modern Agriculture at Foshan, Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China
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Wang SS, Zhang T, Wang L, Dong S, Wang DH, Li B, Cao XY. The Dynamic Changes in the Main Substances in Codonopsis pilosula Root Provide Insights into the Carbon Flux between Primary and Secondary Metabolism during Different Growth Stages. Metabolites 2023; 13:metabo13030456. [PMID: 36984896 PMCID: PMC10057730 DOI: 10.3390/metabo13030456] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/11/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
The dried root of Codonopsis pilosula (Franch.) Nannf., referred to as Dangshen in Chinese, is a famous traditional Chinese medicine. Polysaccharides, lobetyolin, and atractylenolide III are the major bioactive components contributing to its medicinal properties. Here, we investigated the dynamic changes of the main substances in annual Dangshen harvested at 12 time points from 20 May to 20 November 2020 (from early summer to early winter). Although the root biomass increased continuously, the crude polysaccharides content increased and then declined as the temperature fell, and so did the content of soluble proteins. However, the content of total phenolics and flavonoids showed an opposite trend, indicating that the carbon flux was changed between primary metabolism and secondary metabolism as the temperature and growth stages changed. The changes in the contents of lobetyolin and atractylenolide III indicated that autumn might be a suitable harvest time for Dangshen. The antioxidant capacity in Dangshen might be correlated with vitamin C. Furthermore, we analyzed the expression profiles of a few enzyme genes involved in the polysaccharide biosynthesis pathways at different growth stages, showing that CpUGpase and CPPs exhibited a highly positive correlation. These results might lay a foundation for choosing cultivars using gene expression levels as markers.
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Affiliation(s)
- Sheng-Song Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
| | - Tong Zhang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
| | - Long Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
| | - Shuai Dong
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
| | - Dong-Hao Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
| | - Bin Li
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
- Institute of Botany of Shaanxi Province, Xi'an Botanical Garden of Shaanxi Province, Xi'an 710061, China
| | - Xiao-Yan Cao
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
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Xiang Y, Wang X, Song W, Du J, Yin X. Integrative Omics Analyses Reveal the Effects of Copper Ions on Salvianolic Acid Biosynthesis. FRONTIERS IN PLANT SCIENCE 2021; 12:746117. [PMID: 34745177 PMCID: PMC8567050 DOI: 10.3389/fpls.2021.746117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/21/2021] [Indexed: 06/13/2023]
Abstract
Salvianolic acids, a group of secondary metabolites produced by Salvia miltiorrhiza, are widely used for treating cerebrovascular diseases. Copper is recognized as a necessary microelement and plays an essential role in plant growth. At present, the effect of copper on the biosynthesis of SalAs is unknown. Here, an integrated metabolomic and transcriptomic approach, coupled with biochemical analyses, was employed to dissect the mechanisms by which copper ions induced the biosynthesis of SalAs. In this study, we identified that a low concentration (5 μM) of copper ions could promote growth of S. miltiorrhiza and the biosynthesis of SalAs. Results of the metabolomics analysis showed that 160 metabolites (90 increased and 70 decreased) were significantly changed in S. miltiorrhiza treated with low concentration of copper ions. The differential metabolites were mainly involved in amino acid metabolism, the pentose phosphate pathway, and carbon fixation in photosynthetic organisms. The contents of chlorophyll a, chlorophyll b, and total chlorophyll were significantly increased in leaves of low concentration of copper-treated S. miltiorrhiza plants. Importantly, core SalA biosynthetic genes (laccases and rosmarinic acid synthase), SalA biosynthesis-related transcription factors (MYBs and zinc finger CCCH domain-containing protein 33), and chloroplast proteins-encoding genes (blue copper protein and chlorophyll-binding protein) were upregulated in the treated samples as indicated by a comprehensive transcriptomic analysis. Bioinformatics and enzyme activity analyses showed that laccase 20 contained copper-binding motifs, and its activity in low concentration of copper ions-treated S. miltiorrhiza was much higher than that in the control. Our results demonstrate that enhancement of copper ions of the accumulation of SalAs might be through regulating laccase 20, MYBs, and zinc finger transcription factors, and photosynthetic genes.
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Affiliation(s)
- Yaping Xiang
- State Key Laboratory of Natural Medicines, Department of Pharmacognosy, Institute of Pharmaceutical Science, China Pharmaceutical University, Nanjing, China
| | - Xiaoxiao Wang
- State Key Laboratory of Natural Medicines, Department of Pharmacognosy, Institute of Pharmaceutical Science, China Pharmaceutical University, Nanjing, China
| | - Wei Song
- State Key Laboratory of Natural Medicines, Department of Pharmacognosy, Institute of Pharmaceutical Science, China Pharmaceutical University, Nanjing, China
| | - Jinfa Du
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xiaojian Yin
- State Key Laboratory of Natural Medicines, Department of Pharmacognosy, Institute of Pharmaceutical Science, China Pharmaceutical University, Nanjing, China
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Anwar M, Chen L, Xiao Y, Wu J, Zeng L, Li H, Wu Q, Hu Z. Recent Advanced Metabolic and Genetic Engineering of Phenylpropanoid Biosynthetic Pathways. Int J Mol Sci 2021; 22:9544. [PMID: 34502463 PMCID: PMC8431357 DOI: 10.3390/ijms22179544] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/20/2021] [Accepted: 08/25/2021] [Indexed: 12/11/2022] Open
Abstract
The MYB transcription factors (TFs) are evolving as critical role in the regulation of the phenylpropanoid and tanshinones biosynthetic pathway. MYB TFs relate to a very important gene family, which are involved in the regulation of primary and secondary metabolisms, terpenoids, bioactive compounds, plant defense against various stresses and cell morphology. R2R3 MYB TFs contained a conserved N-terminal domain, but the domain at C-terminal sorts them different regarding their structures and functions. MYB TFs suppressors generally possess particular repressive motifs, such as pdLNLD/ELxiG/S and TLLLFR, which contribute to their suppression role through a diversity of complex regulatory mechanisms. A novel flower specific "NF/YWSV/MEDF/LW" conserved motif has a great potential to understand the mechanisms of flower development. In the current review, we summarize recent advanced progress of MYB TFs on transcription regulation, posttranscriptional, microRNA, conserved motif and propose directions to future prospective research. We further suggest there should be more focus on the investigation for the role of MYB TFs in microalgae, which has great potential for heterologous protein expression system for future perspectives.
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Affiliation(s)
- Muhammad Anwar
- Guangdong Technology Research Center for Marine Algal Bioengineering, Guangdong Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (M.A.); (L.C.); (Y.X.); (H.L.); (Q.W.)
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Liu Chen
- Guangdong Technology Research Center for Marine Algal Bioengineering, Guangdong Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (M.A.); (L.C.); (Y.X.); (H.L.); (Q.W.)
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Yibo Xiao
- Guangdong Technology Research Center for Marine Algal Bioengineering, Guangdong Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (M.A.); (L.C.); (Y.X.); (H.L.); (Q.W.)
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Jinsong Wu
- Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Longhua Innovation Institute for Biotechnology, Shenzhen University, Shenzhen 518060, China;
| | - Lihui Zeng
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
| | - Hui Li
- Guangdong Technology Research Center for Marine Algal Bioengineering, Guangdong Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (M.A.); (L.C.); (Y.X.); (H.L.); (Q.W.)
| | - Qingyu Wu
- Guangdong Technology Research Center for Marine Algal Bioengineering, Guangdong Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (M.A.); (L.C.); (Y.X.); (H.L.); (Q.W.)
- Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Longhua Innovation Institute for Biotechnology, Shenzhen University, Shenzhen 518060, China;
| | - Zhangli Hu
- Guangdong Technology Research Center for Marine Algal Bioengineering, Guangdong Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China; (M.A.); (L.C.); (Y.X.); (H.L.); (Q.W.)
- Shenzhen Key Laboratory of Marine Bioresource & Eco-Environmental Science, Longhua Innovation Institute for Biotechnology, Shenzhen University, Shenzhen 518060, China;
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Chen R, Cao Y, Wang W, Li Y, Wang D, Wang S, Cao X. Transcription factor SmSPL7 promotes anthocyanin accumulation and negatively regulates phenolic acid biosynthesis in Salvia miltiorrhiza. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 310:110993. [PMID: 34315580 DOI: 10.1016/j.plantsci.2021.110993] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 06/25/2021] [Accepted: 07/15/2021] [Indexed: 05/24/2023]
Abstract
Plant-specific SQUAMOSA promoter-binding protein-like (SPL) transcription factors play critical regulatory roles during plant growth and development. However, the functions of SPLs in Salvia miltiorrhiza (SmSPLs; a model medicinal plant) have not been reported. Here, the expression patterns and functions of SmSPL7 were characterized in S. miltiorrhiza. SmSPL7 was expressed in all parts of S. miltiorrhiza, with the highest expression level in the leaves, and could be inhibited by multiple hormones, including methyl jasmonate, auxin, abscisic acid, and gibberellin. SmSPL7 is localized within the nucleus and exhibits robust transcriptional activation activity. Transgenic lines overexpressing SmSPL7 demonstrated pronounced growth inhibition, accompanied by increased anthocyanin accumulation via the genetic activation of the anthocyanin biosynthesis pathway. However, SmSPL7 overexpression significantly decreased salvianolic acid B (SalB) production by inhibiting the transcripts of genes implicated in its biosynthesis pathway. Further analysis indicated that SmSPL7 directly binds to SmTAT1 and Sm4CL9 promoters and blocks their expression to inhibit the biosynthesis of SalB. Taken together, these results indicate that SmSPL7 is a negative regulator of SalB biosynthesis but positively regulates anthocyanin accumulation in S. miltiorrhiza. These findings provide new insights into the functionality of the SPL family while establishing an important foundation for further uncovering the crucial roles of SmSPL7 in the growth of S. miltiorrhiza.
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Affiliation(s)
- Rui Chen
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
| | - Yao Cao
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
| | - Wentao Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
| | - Yonghui Li
- College of Life Science, Luoyang Normal University, Luoyang 471934, China
| | - Donghao Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
| | - Shiqiang Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China
| | - Xiaoyan Cao
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi'an 710062, China.
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SmSPL6 Induces Phenolic Acid Biosynthesis and Affects Root Development in Salvia miltiorrhiza. Int J Mol Sci 2021; 22:ijms22157895. [PMID: 34360660 PMCID: PMC8348295 DOI: 10.3390/ijms22157895] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/19/2021] [Accepted: 07/19/2021] [Indexed: 02/06/2023] Open
Abstract
Salvia miltiorrhiza is a renowned model medicinal plant species for which 15 SQUAMOSA PROMOTER BINDING PROTEIN-LIKE (SPL) family genes have been identified; however, the specific functions of SmSPLs have not been well characterized as of yet. For this study, the expression patterns of SmSPL6 were determined through its responses to treatments of exogenous hormones, including indole acetic acid (IAA), gibberellic acid (GA3), methyl jasmonic acid (MeJA), and abscisic acid (ABA). To characterize its functionality, we obtained SmSPL6-ovexpressed transgenic S. miltiorrhiza plants and found that overexpressed SmSPL6 promoted the accumulation of phenolic acids and repressed the biosynthesis of anthocyanin. Meanwhile, the root lengths of the SmSPL6-overexpressed lines were significantly longer than the control; however, both the fresh weights and lateral root numbers decreased. Further investigations indicated that SmSPL6 regulated the biosynthesis of phenolic acid by directly binding to the promoter regions of the enzyme genes Sm4CL9 and SmCYP98A14 and activated their expression. We concluded that SmSPL6 regulates not only the biosynthesis of phenolic acids, but also the development of roots in S. miltiorrhiza.
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Zou H, Guo X, Yang R, Wang S, Li L, Niu J, Wang D, Cao X. MiR408- SmLAC3 Module Participates in Salvianolic Acid B Synthesis in Salvia miltiorrhiza. Int J Mol Sci 2021; 22:ijms22147541. [PMID: 34299156 PMCID: PMC8306038 DOI: 10.3390/ijms22147541] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/07/2021] [Accepted: 07/08/2021] [Indexed: 11/21/2022] Open
Abstract
MicroRNAs (miRNAs) are important regulators of gene expression involved in plant development and abiotic stress responses. Recently, miRNAs have also been reported to be engaged in the regulation of secondary plant metabolism. However, there are few functional studies of miRNAs in medicinal plants. For this study, we obtained Sm-miR408 interference lines to investigate the function of Sm-miR408 in a medicinal model plant (Salvia miltiorrhiza). It was found that inhibiting the expression of Sm-miR408 could increase the content of salvianolic acid B and rosmarinic acid in the roots. The SmLAC3 and Sm-miR408 expression patterns were analyzed by qRT-PCR. A 5’ RLM-RACE assay confirmed that Sm-miR408 targets and negatively regulates SmLAC3. Moreover, the overexpression of SmLAC3 in S. miltiorrhiza promoted the accumulation of salvianolic acids in the roots. Furthermore, the lignin content of the roots in overexpressed SmLAC3 lines was decreased. Taken together, these findings indicated that Sm-miR408 modulates the accumulation of phenolic acids in S. miltiorrhiza by targeting SmLAC3 expression levels.
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Li C, Wang M, Qiu X, Zhou H, Lu S. Noncoding RNAs in Medicinal Plants and their Regulatory Roles in Bioactive Compound Production. Curr Pharm Biotechnol 2021; 22:341-359. [PMID: 32469697 DOI: 10.2174/1389201021666200529101942] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 02/14/2020] [Accepted: 03/30/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Noncoding RNAs (ncRNAs), such as microRNAs (miRNAs), small interfering RNAs (siRNAs) and long noncoding RNAs (lncRNAs), play significant regulatory roles in plant development and secondary metabolism and are involved in plant response to biotic and abiotic stresses. They have been intensively studied in model systems and crops for approximately two decades and massive amount of information have been obtained. However, for medicinal plants, ncRNAs, particularly their regulatory roles in bioactive compound biosynthesis, are just emerging as a hot research field. OBJECTIVE This review aims to summarize current knowledge on herbal ncRNAs and their regulatory roles in bioactive compound production. RESULTS So far, scientists have identified thousands of miRNA candidates from over 50 medicinal plant species and 11794 lncRNAs from Salvia miltiorrhiza, Panax ginseng, and Digitalis purpurea. Among them, more than 30 miRNAs and five lncRNAs have been predicted to regulate bioactive compound production. CONCLUSION The regulation may achieve through various regulatory modules and pathways, such as the miR397-LAC module, the miR12112-PPO module, the miR156-SPL module, the miR828-MYB module, the miR858-MYB module, and other siRNA and lncRNA regulatory pathways. Further functional analysis of herbal ncRNAs will provide useful information for quality and quantity improvement of medicinal plants.
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Affiliation(s)
- Caili Li
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 151 Malianwa North Road, Haidian District, Beijing 100193, China
| | - Meizhen Wang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 151 Malianwa North Road, Haidian District, Beijing 100193, China
| | - Xiaoxiao Qiu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 151 Malianwa North Road, Haidian District, Beijing 100193, China
| | - Hong Zhou
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 151 Malianwa North Road, Haidian District, Beijing 100193, China
| | - Shanfa Lu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 151 Malianwa North Road, Haidian District, Beijing 100193, China
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12
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Park CH, Xu H, Yeo HJ, Park YE, Hwang GS, Park NI, Park SU. Enhancement of the flavone contents of Scutellaria baicalensis hairy roots via metabolic engineering using maize Lc and Arabidopsis PAP1 transcription factors. Metab Eng 2021; 64:64-73. [PMID: 33486093 DOI: 10.1016/j.ymben.2021.01.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 11/30/2020] [Accepted: 01/10/2021] [Indexed: 01/07/2023]
Abstract
Baicalin, baicalein, and wogonin are valuable natural flavonoid compounds produced by Scutellaria baicalensis. In this study, we showed that the maize transcription factor Lc can enhance the production of these three flavonoids in hairy root cultures of S. baicalensis by comprehensively upregulating flavonoid biosynthesis pathway genes (SbPAL1, SbC4H, and Sb4CL) and baicalein 7-O-glucuronosyltransferase (UBGAT), ultimately yielding total flavonoid contents of up to 80.5 ± 6.15 mg g-1 dry weight, which was 322% greater than the average value of total flavonoid contents produced by three GUS-overexpressing lines. Similarly, the Arabidopsis transcription factor PAP1 was found to enhance flavonoid accumulation by upregulating SbPAL1, SbPAL2, SbPAL3, SbC4H, Sb4CL, SbCHI, and UBGAT, ultimately yielding total flavonoid contents of up to 133 ± 7.66 mg g-1 dry weight, which was 532% greater than the average value of total flavonoid contents produced by three GUS-overexpressing lines. These findings indicate that metabolic engineering in S. baicalensis can be achieved using Agrobacterium rhizogenes-mediated transformation and that the production of baicalin, baicalein, and wogonin can be enhanced via the overexpression of ZmLc and AtPAP1 in hairy root cultures. These results also indicate that ZmLc and AtPAP1 can be used as positive regulators of the flavonoid biosynthetic pathway of S. baicalensis hairy root cultures.
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Affiliation(s)
- Chang Ha Park
- Department of Crop Science, Chungnam National University, 99 Daehak-Ro, Yuseong-gu, Daejeon, 34134, Republic of Korea
| | - Hui Xu
- Department of Crop Science, Chungnam National University, 99 Daehak-Ro, Yuseong-gu, Daejeon, 34134, Republic of Korea
| | - Hyeon Ji Yeo
- Department of Crop Science, Chungnam National University, 99 Daehak-Ro, Yuseong-gu, Daejeon, 34134, Republic of Korea
| | - Ye Eun Park
- Department of Crop Science, Chungnam National University, 99 Daehak-Ro, Yuseong-gu, Daejeon, 34134, Republic of Korea
| | - Geum-Sook Hwang
- Integrated Metabolomics Research Group, Seoul Center, Korea Basic Science Institute, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Nam Il Park
- Department of Plant Science, Gangneung-Wonju National University, 7 Jukheon-Gil, Gangneung, 25457, Republic of Korea.
| | - Sang Un Park
- Department of Crop Science, Chungnam National University, 99 Daehak-Ro, Yuseong-gu, Daejeon, 34134, Republic of Korea.
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Khojasteh A, Mirjalili MH, Alcalde MA, Cusido RM, Eibl R, Palazon J. Powerful Plant Antioxidants: A New Biosustainable Approach to the Production of Rosmarinic Acid. Antioxidants (Basel) 2020; 9:E1273. [PMID: 33327619 PMCID: PMC7765155 DOI: 10.3390/antiox9121273] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/08/2020] [Accepted: 12/11/2020] [Indexed: 12/17/2022] Open
Abstract
Modern lifestyle factors, such as physical inactivity, obesity, smoking, and exposure to environmental pollution, induce excessive generation of free radicals and reactive oxygen species (ROS) in the body. These by-products of oxygen metabolism play a key role in the development of various human diseases such as cancer, diabetes, heart failure, brain damage, muscle problems, premature aging, eye injuries, and a weakened immune system. Synthetic and natural antioxidants, which act as free radical scavengers, are widely used in the food and beverage industries. The toxicity and carcinogenic effects of some synthetic antioxidants have generated interest in natural alternatives, especially plant-derived polyphenols (e.g., phenolic acids, flavonoids, stilbenes, tannins, coumarins, lignins, lignans, quinines, curcuminoids, chalcones, and essential oil terpenoids). This review focuses on the well-known phenolic antioxidant rosmarinic acid (RA), an ester of caffeic acid and (R)-(+)-3-(3,4-dihydroxyphenyl) lactic acid, describing its wide distribution in thirty-nine plant families and the potential productivity of plant sources. A botanical and phytochemical description is provided of a new rich source of RA, Satureja khuzistanica Jamzad (Lamiaceae). Recently reported approaches to the biotechnological production of RA are summarized, highlighting the establishment of cell suspension cultures of S. khuzistanica as an RA chemical biofactory.
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Affiliation(s)
- Abbas Khojasteh
- Laboratori de Fisiologia Vegetal, Facultat de Farmacia, Universitat de Barcelona, Av. Joan XXIII sn, 08028 Barcelona, Spain; (A.K.); (M.A.A.); (R.M.C.)
| | - Mohammad Hossein Mirjalili
- Department of Agriculture, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, 1983969411 Tehran, Iran;
| | - Miguel Angel Alcalde
- Laboratori de Fisiologia Vegetal, Facultat de Farmacia, Universitat de Barcelona, Av. Joan XXIII sn, 08028 Barcelona, Spain; (A.K.); (M.A.A.); (R.M.C.)
| | - Rosa M. Cusido
- Laboratori de Fisiologia Vegetal, Facultat de Farmacia, Universitat de Barcelona, Av. Joan XXIII sn, 08028 Barcelona, Spain; (A.K.); (M.A.A.); (R.M.C.)
| | - Regine Eibl
- Campus Grüental, Institute of Biotechnology, Biotechnological Engineering and Cell Cultivation Techniques, Zurich University of Applied Sciences, CH-8820 Wädenswill, Switzerland;
| | - Javier Palazon
- Laboratori de Fisiologia Vegetal, Facultat de Farmacia, Universitat de Barcelona, Av. Joan XXIII sn, 08028 Barcelona, Spain; (A.K.); (M.A.A.); (R.M.C.)
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Xiao Y, Feng J, Li Q, Zhou Y, Bu Q, Zhou J, Tan H, Yang Y, Zhang L, Chen W. IiWRKY34 positively regulates yield, lignan biosynthesis and stress tolerance in Isatis indigotica. Acta Pharm Sin B 2020; 10:2417-2432. [PMID: 33354511 PMCID: PMC7745056 DOI: 10.1016/j.apsb.2019.12.020] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 11/14/2019] [Accepted: 12/24/2019] [Indexed: 12/14/2022] Open
Abstract
Yield potential, pharmaceutical compounds production and stress tolerance capacity are 3 classes of traits that determine the quality of medicinal plants. The autotetraploid Isatis indigotica has greater yield, higher bioactive lignan accumulation and enhanced stress tolerance compared with its diploid progenitor. Here we show that the transcription factor IiWRKY34, with higher expression levels in tetraploid than in diploid I. indigotica, has large pleiotropic effects on an array of traits, including biomass growth rates, lignan biosynthesis, as well as salt and drought stress tolerance. Integrated analysis of transcriptome and metabolome profiling demonstrated that IiWRKY34 expression had far-reaching consequences on both primary and secondary metabolism, reprograming carbon flux towards phenylpropanoids, such as lignans and flavonoids. Transcript–metabolite correlation analysis was applied to construct the regulatory network of IiWRKY34 for lignan biosynthesis. One candidate target Ii4CL3, a key rate-limiting enzyme of lignan biosynthesis as indicated in our previous study, has been demonstrated to indeed be activated by IiWRKY34. Collectively, the results indicate that the differentially expressed IiWRKY34 has contributed significantly to the polyploidy vigor of I. indigotica, and manipulation of this gene will facilitate comprehensive improvements of I. indigotica herb.
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15
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Yin X, Fan H, Chen Y, Li LZ, Song W, Fan Y, Zhou W, Ma G, Alolga RN, Li W, Zhang B, Li P, Tran LSP, Lu X, Qi LW. Integrative omic and transgenic analyses reveal the positive effect of ultraviolet-B irradiation on salvianolic acid biosynthesis through upregulation of SmNAC1. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2020; 104:781-799. [PMID: 32772407 DOI: 10.1111/tpj.14952] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 07/21/2020] [Accepted: 07/30/2020] [Indexed: 06/11/2023]
Abstract
Salvianolic acids (SalAs), a group of secondary metabolites in Salvia miltiorrhiza, are widely used for treating cerebrovascular diseases. Their biosynthesis is modulated by a variety of abiotic factors, including ultraviolet-B (UV-B) irradiation; however, the underlying mechanisms remain largely unknown. Here, an integrated metabolomic, proteomic, and transcriptomic approach coupled with transgenic analyses was employed to dissect the mechanisms underlying UV-B irradiation-induced SalA biosynthesis. Results of metabolomics showed that 28 metabolites, including 12 SalAs, were elevated in leaves of UV-B-treated S. miltiorrhiza. Meanwhile, the contents of several phytohormones, including jasmonic acid and salicylic acid, which positively modulate the biosynthesis of SalAs, also increased in UV-B-treated S. miltiorrhiza. Consistently, 20 core biosynthetic enzymes and numerous transcription factors that are involved in SalA biosynthesis were elevated in treated samples as indicated by a comprehensive proteomic analysis. Correlation and gene expression analyses demonstrated that the NAC1 gene, encoding a NAC transcriptional factor, was positively involved in UV-B-induced SalA biosynthesis. Accordingly, overexpression and RNA interference of NAC1 increased and decreased SalA contents, respectively, through regulation of key biosynthetic enzymes. Furthermore, ChIP-qPCR and Dual-LUC assays showed that NAC1 could directly bind to the CATGTG and CATGTC motifs present in the promoters of the SalA biosynthesis-related genes PAL3 and TAT3, respectively, and activate their expression. Our results collectively demonstrate that NAC1 plays a crucial role in UV-B irradiation-induced SalA biosynthesis. Taken together, our findings provide mechanistic insights into the UV-B-induced SalA biosynthesis in S. miltiorrhiza, and shed light on a great potential for the development of SalA-abundant varieties through genetic engineering.
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Affiliation(s)
- Xiaojian Yin
- State Key Laboratory of Natural Medicines, Department of Pharmacognosy, Institute of Pharmaceutical Science, China Pharmaceutical University, Nanjing, 210009, China
- Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Hui Fan
- State Key Laboratory of Natural Medicines, Department of Pharmacognosy, Institute of Pharmaceutical Science, China Pharmaceutical University, Nanjing, 210009, China
| | - Yan Chen
- Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Lan-Zhu Li
- Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Wei Song
- State Key Laboratory of Natural Medicines, Department of Pharmacognosy, Institute of Pharmaceutical Science, China Pharmaceutical University, Nanjing, 210009, China
| | - Yuanming Fan
- Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Wei Zhou
- Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Gaoxiang Ma
- Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Raphael N Alolga
- Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Weiqiang Li
- Institute of Plant Stress Biology, State Key Laboratory of Cotton Biology, Department of Biology, Henan University, 85 Minglun Street, Kaifeng, 475001, China
| | - Baolong Zhang
- Provincial Key Laboratory of Agrobiology, Jiangsu Academy of Agricultural Science, Nanjing, 210014, China
| | - Ping Li
- Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Lam-Son P Tran
- Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, Vietnam
- Stress Adaptation Research Unit, RIKEN Center for Sustainable Resource Science, 1-7-22, Suehiro-cho, Tsurumi, 230-0045, Japan
| | - Xu Lu
- Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Lian-Wen Qi
- Clinical Metabolomics Center, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
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16
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Zhang JH, Lv HZ, Liu WJ, Ji AJ, Zhang X, Song JY, Luo HM, Chen SL. bHLH transcription factor SmbHLH92 negatively regulates biosynthesis of phenolic acids and tanshinones in Salvia miltiorrhiza. CHINESE HERBAL MEDICINES 2020; 12:237-246. [PMID: 36119017 PMCID: PMC9476745 DOI: 10.1016/j.chmed.2020.04.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 10/25/2019] [Accepted: 12/10/2019] [Indexed: 12/20/2022] Open
Abstract
Objective Salvia miltiorrhiza is a valuable herbal medicine with tanshinone and phenolic acid as the main biological active ingredients. The biosynthetic regulation of these bioactive compounds is controlled by a set of transcription factors (TFs). The basic helix-loop-helix (bHLH) transcription factor plays an important role in various physiological and biochemical processes in plants. However, research on bHLH TFs regulating phenolic acid or tanshinone biosynthesis in S. miltiorrhiza is limited. Methods qRT-PCR was used for gene expression analysis. The subcellular localization of SmbHLH92 was detected by SmbHLH92-GFP transient transformation into tobacco leaves, and its fluorescence was observed using a confocal laser scanning microscope. The transcriptional activity of SmbHLH92 was confirmed in the AH109 yeast strain. RNA interference hairy roots of SmbHLH92-RNAi transgenic lines were obtained through Agrobacterium-mediated genetic transformation. Ultra performance liquid chromatography (UPLC) was used to detect the changes of phenolic acids and tanshinones. Results SmbHLH92 is a bHLH transcription factor that is highly expressed in the root and phloem of S. miltiorrhiza. The subcellular localization and transcriptional activity of SmbHLH92 indicated that SmbHLH92 was located in the nucleus and may be a transcription factor. RNA interference (RNAi) of SmbHLH92 in hairy roots of S. miltiorrhiza significantly increased the accumulation of phenolic acid and tanshinone. Quantitative RT-PCR (RT-qPCR) analysis showed the transcription level of genes encoding the key enzymes involved in the phenolic acid and tanshinone biosynthetic pathways was increased in the hairy roots of the SmbHLH92-RNAi transgenic line, comparing with the control line. Conclusion These data indicate that SmbHLH92 is a negative regulator involved in the regulation of phenolic acid and tanshinone biosynthesis in S. miltiorrhiza.
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Cao Y, Li K, Li Y, Zhao X, Wang L. MYB Transcription Factors as Regulators of Secondary Metabolism in Plants. BIOLOGY 2020; 9:biology9030061. [PMID: 32213912 PMCID: PMC7150910 DOI: 10.3390/biology9030061] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Revised: 03/12/2020] [Accepted: 03/19/2020] [Indexed: 11/25/2022]
Abstract
MYB transcription factors (TFs), as one of the largest gene families in plants, play important roles in multiple biological processes, such as plant growth and development, cell morphology and pattern building, physiological activity metabolism, primary and secondary metabolic reactions, and responses to environmental stresses. The function of MYB TFs in crops has been widely studied, but few studies have been done on medicinal plants. In this review, we summarized the MYB TFs that play important roles in secondary metabolism and emphasized the possible mechanisms underlying how MYB TFs are regulated at the protein, posttranscriptional, and transcriptional levels, as well as how they regulate the downstream target gene networks related to secondary metabolism in plants, especially in medicinal plants.
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Affiliation(s)
- Yunpeng Cao
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China; (Y.C.); (Y.L.)
- Key Lab of Non-wood Forest Products of State Forestry Administration, College of Forestry, Central South University of Forestry and Technology, Changsha 410004, China
| | - Kui Li
- Science and Technology Promotion Center, Huaihua Forestry Research Institute, Huaihua 418000, China;
| | - Yanli Li
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, Changsha 410004, China; (Y.C.); (Y.L.)
- Key Lab of Non-wood Forest Products of State Forestry Administration, College of Forestry, Central South University of Forestry and Technology, Changsha 410004, China
| | - Xiaopei Zhao
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China;
| | - Lihu Wang
- College of Landscape and Ecological Engineering, Hebei University of Engineering, Handan 056038, China
- Correspondence:
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18
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Marchev AS, Yordanova ZP, Georgiev MI. Green (cell) factories for advanced production of plant secondary metabolites. Crit Rev Biotechnol 2020; 40:443-458. [PMID: 32178548 DOI: 10.1080/07388551.2020.1731414] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
For centuries plants have been intensively utilized as reliable sources of food, flavoring, agrochemical and pharmaceutical ingredients. However, plant natural habitats are being rapidly lost due to climate change and agriculture. Plant biotechnology offers a sustainable method for the bioproduction of plant secondary metabolites using plant in vitro systems. The unique structural features of plant-derived secondary metabolites, such as their safety profile, multi-target spectrum and "metabolite likeness," have led to the establishment of many plant-derived drugs, comprising approximately a quarter of all drugs approved by the Food and Drug Administration and/or European Medicinal Agency. However, there are still many challenges to overcome to enhance the production of these metabolites from plant in vitro systems and establish a sustainable large-scale biotechnological process. These challenges are due to the peculiarities of plant cell metabolism, the complexity of plant secondary metabolite pathways, and the correct selection of bioreactor systems and bioprocess optimization. In this review, we present an integrated overview of the possible avenues for enhancing the biosynthesis of high-value marketable molecules produced by plant in vitro systems. These include metabolic engineering and CRISPR/Cas9 technology for the regulation of plant metabolism through overexpression/repression of single or multiple structural genes or transcriptional factors. The use of NMR-based metabolomics for monitoring metabolite concentrations and additionally as a tool to study the dynamics of plant cell metabolism and nutritional management is discussed here. Different types of bioreactor systems, their modification and optimal process parameters for the lab- or industrial-scale production of plant secondary metabolites are specified.
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Affiliation(s)
- Andrey S Marchev
- Center of Plant Systems Biology and Biotechnology, Plovdiv, Bulgaria.,Group of Plant Cell Biotechnology and Metabolomics, The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Plovdiv, Bulgaria
| | - Zhenya P Yordanova
- Department of Plant Physiology, Faculty of Biology, Sofia University "St. Kliment Ohridski", Sofia, Bulgaria
| | - Milen I Georgiev
- Center of Plant Systems Biology and Biotechnology, Plovdiv, Bulgaria.,Group of Plant Cell Biotechnology and Metabolomics, The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Plovdiv, Bulgaria
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Lin W, Li Y, Lu Q, Lu H, Li J. Combined Analysis of the Metabolome and Transcriptome Identified Candidate Genes Involved in Phenolic Acid Biosynthesis in the Leaves of Cyclocarya paliurus. Int J Mol Sci 2020; 21:ijms21041337. [PMID: 32079236 PMCID: PMC7073005 DOI: 10.3390/ijms21041337] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 02/10/2020] [Accepted: 02/14/2020] [Indexed: 12/12/2022] Open
Abstract
To assess changes of metabolite content and regulation mechanism of the phenolic acid biosynthesis pathway at different developmental stages of leaves, this study performed a combined metabolome and transcriptome analysis of Cyclocarya paliurus leaves at different developmental stages. Metabolite and transcript profiling were conducted by ultra-performance liquid chromatography quadrupole time-of-flight tandem mass spectrometer and high-throughput RNA sequencing, respectively. Transcriptome identification showed that 58 genes were involved in the biosynthesis of phenolic acid. Among them, 10 differentially expressed genes were detected between every two developmental stages. Identification and quantification of metabolites indicated that 14 metabolites were located in the phenolic acid biosynthetic pathway. Among them, eight differentially accumulated metabolites were detected between every two developmental stages. Association analysis between metabolome and transcriptome showed that six differentially expressed structural genes were significantly positively correlated with metabolite accumulation and showed similar expression trends. A total of 128 transcription factors were identified that may be involved in the regulation of phenolic acid biosynthesis; these include 12 MYBs and 10 basic helix–loop–helix (bHLH) transcription factors. A regulatory network of the phenolic acid biosynthesis was established to visualize differentially expressed candidate genes that are involved in the accumulation of metabolites with significant differences. The results of this study contribute to the further understanding of phenolic acid biosynthesis during the development of leaves of C. paliurus.
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Affiliation(s)
- Weida Lin
- College of Life Science, Zhejiang Sci-Tech University, Hangzhou 310018, China; (W.L.); (H.L.)
- Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou 318000, China; (Y.L.); (Q.L.)
| | - Yueling Li
- Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou 318000, China; (Y.L.); (Q.L.)
| | - Qiuwei Lu
- Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou 318000, China; (Y.L.); (Q.L.)
| | - Hongfei Lu
- College of Life Science, Zhejiang Sci-Tech University, Hangzhou 310018, China; (W.L.); (H.L.)
| | - Junmin Li
- Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou 318000, China; (Y.L.); (Q.L.)
- Correspondence:
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20
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Wu Y, Zhang Y, Li L, Guo X, Wang B, Cao X, Wang Z. AtPAP1 Interacts With and Activates SmbHLH51, a Positive Regulator to Phenolic Acids Biosynthesis in Salvia miltiorrhiza. FRONTIERS IN PLANT SCIENCE 2018; 9:1687. [PMID: 30515184 PMCID: PMC6255977 DOI: 10.3389/fpls.2018.01687] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Accepted: 10/30/2018] [Indexed: 05/30/2023]
Abstract
Phenolic acids from Salvia miltiorrhiza have drawn considerable attention in recent years because of their remarkable pharmacological activities. We previously reported that Arabidopsis thaliana transcription factor production of anthocyanin pigment 1 (AtPAP1) has strong capability to promote the production of phenolic acids in S. miltiorrhiza. However, the responsible molecular mechanism is unclear. Here, we analyzed the transcriptome of transgenic S. miltiorrhiza that over-expressed AtPAP1. Transcriptome analysis revealed 4,152 genes that were differentially expressed due to ectopic AtPAP1 overexpression. SmbHLH51, a novel bHLH gene significantly up-regulated by constitutive expression of AtPAP1, was isolated from S. miltiorrhiza for detailed functional characterization. SmbHLH51 localizes in the nuclei and interacts with AtPAP1, indicating that they probably comprise a regulatory transcription complex. Enhanced or reduced expression of SmbHLH51 was achieved in S. miltiorrhiza by gain- or loss-of-function assays, respectively, revealing that SmbHLH51 is a positive transcriptional regulator of the pathway for phenolic acid biosynthesis. We propose that applying this functional genomics approach through the transcriptomic analyses is an efficient means for identifying novel genes involved in plant secondary metabolism.
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Affiliation(s)
- Yucui Wu
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, Shaanxi Normal University, Xi’an, China
- School of Landscape and Ecological Engineering, Hebei University of Engineering, Handan, China
| | - Yuan Zhang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, Shaanxi Normal University, Xi’an, China
| | - Lin Li
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, Shaanxi Normal University, Xi’an, China
| | - Xiaorong Guo
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, Shaanxi Normal University, Xi’an, China
| | - Bin Wang
- College of Chemistry, Biology and Materials Science, East China University of Technology, Nanchang, China
| | - Xiaoyan Cao
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, Shaanxi Normal University, Xi’an, China
| | - Zhezhi Wang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, Shaanxi Normal University, Xi’an, China
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Xu Y, Geng L, Zhao S. Biosynthesis of bioactive ingredients of Salvia miltiorrhiza and advanced biotechnologies for their production. BIOTECHNOL BIOTEC EQ 2018. [DOI: 10.1080/13102818.2018.1532318] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Affiliation(s)
- Yingpeng Xu
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, Shanghai, P.R. China
| | - Lijun Geng
- The MOE Key Laboratory for Standardization of Chinese Medicines, Shanghai, P.R. China
| | - Shujuan Zhao
- Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, P.R. China
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Swamy MK, Sinniah UR, Ghasemzadeh A. Anticancer potential of rosmarinic acid and its improved production through biotechnological interventions and functional genomics. Appl Microbiol Biotechnol 2018; 102:7775-7793. [PMID: 30022261 DOI: 10.1007/s00253-018-9223-y] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 07/04/2018] [Accepted: 07/04/2018] [Indexed: 12/19/2022]
Abstract
Rosmarinic acid (RA) is a highly valued natural phenolic compound that is very commonly found in plants of the families Lamiaceae and Boraginaceae, including Coleus blumei, Heliotropium foertherianum, Rosmarinus officinalis, Perilla frutescens, and Salvia officinalis. RA is also found in other members of higher plant families and in some fern and horned liverwort species. The biosynthesis of RA is catalyzed by the enzymes phenylalanine ammonia lyase and cytochrome P450-dependent hydroxylase using the amino acids tyrosine and phenylalanine. Chemically, RA can be produced via methods involving the esterification of 3,4-dihydroxyphenyllactic acid and caffeic acid. Some of the derivatives of RA include melitric acid, salvianolic acid, lithospermic acid, and yunnaneic acid. In plants, RA is known to have growth-promoting and defensive roles. Studies have elucidated the varied pharmacological potential of RA and its derived molecules, including anticancer, antiangiogenic, anti-inflammatory, antioxidant, and antimicrobial activities. The demand for RA is therefore, very high in the pharmaceutical industry, but this demand cannot be met by plants alone because RA content in plant organs is very low. Further, many plants that synthesize RA are under threat and near extinction owing to biodiversity loss caused by unscientific harvesting, over-collection, environmental changes, and other inherent features. Moreover, the chemical synthesis of RA is complicated and expensive. Alternative approaches using biotechnological methodologies could overcome these problems. This review provides the state of the art information on the chemistry, sources, and biosynthetic pathways of RA, as well as its anticancer properties against different cancer types. Biotechnological methods are also discussed for producing RA using plant cell, tissue, and organ cultures and hairy-root cultures using flasks and bioreactors. The recent developments and applications of the functional genomics approach and heterologous production of RA in microbes are also highlighted. This chapter will be of benefit to readers aiming to design studies on RA and its applicability as an anticancer agent.
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Affiliation(s)
- Mallappa Kumara Swamy
- Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
| | - Uma Rani Sinniah
- Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Ali Ghasemzadeh
- Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
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Li S, Wu Y, Kuang J, Wang H, Du T, Huang Y, Zhang Y, Cao X, Wang Z. SmMYB111 Is a Key Factor to Phenolic Acid Biosynthesis and Interacts with Both SmTTG1 and SmbHLH51 in Salvia miltiorrhiza. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:8069-8078. [PMID: 30001627 DOI: 10.1021/acs.jafc.8b02548] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Transcription factors that include myeloblastosis (MYB), basic helix-loop-helix (bHLH), and tryptophan-aspartic acid (WD)-repeat protein often form a ternary complex to regulate the phenylpropanoid pathway. However, only a few MYB and bHLH members involved in the biosynthesis of salvianolic acid B (Sal B) have been reported, and little is known about Sal B pathway regulation by the WD40 protein transparent testa glabra 1 (TTG1)-dependent transcriptional complexes in Salvia miltiorrhiza. We isolated SmTTG1 from that species for detailed functional characterization. Enhanced or reduced expression of SmTTG1 was achieved by gain- or loss-of-function assays, respectively, revealing that SmTTG1 is necessary for Sal B biosynthesis. Interaction partners of the SmTTG1 protein were screened by yeast two-hybrid (Y2H) assays with the cDNA library of S. miltiorrhiza. A new R2R3-MYB transcription factor, SmMYB111, was found through this screening. Transgenic plants overexpressing or showing reduced expression of SmMYB111 upregulated or deregulated, respectively, the yields of Sal B. Both Y2H and bimolecular fluorescent complementation experiments demonstrated that SmMYB111 interacts with SmTTG1 and SmbHLH51, a positive regulator of the phenolic acid pathway. Our data verified the function of SmTTG1 and SmMYB111 in regulating phenolic acid biosynthesis in S. miltiorrhiza. Furthermore, ours is the first report of the potential ternary transcription complex SmTTG1-SmMYB111-SmbHLH51, which is involved in the production of Sal B in that species.
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Affiliation(s)
- Shasha Li
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry , Shaanxi Normal University , Xi'an , Shaanxi 710062 , People's Republic of China
| | - Yucui Wu
- School of Landscape and Ecological Engineering , Hebei University of Engineering , Handan , Hebei 056038 , People's Republic of China
| | - Jing Kuang
- Ningxia Polytechnic , Yinchuan , Ningxia 750001 , People's Republic of China
| | - Huaiqin Wang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry , Shaanxi Normal University , Xi'an , Shaanxi 710062 , People's Republic of China
| | - Tangzhi Du
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry , Shaanxi Normal University , Xi'an , Shaanxi 710062 , People's Republic of China
| | - Yaya Huang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry , Shaanxi Normal University , Xi'an , Shaanxi 710062 , People's Republic of China
| | - Yuan Zhang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry , Shaanxi Normal University , Xi'an , Shaanxi 710062 , People's Republic of China
| | - Xiaoyan Cao
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry , Shaanxi Normal University , Xi'an , Shaanxi 710062 , People's Republic of China
| | - Zhezhi Wang
- National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry , Shaanxi Normal University , Xi'an , Shaanxi 710062 , People's Republic of China
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Sitarek P, Kowalczyk T, Rijo P, Białas AJ, Wielanek M, Wysokińska H, Garcia C, Toma M, Śliwiński T, Skała E. Over-Expression of AtPAP1 Transcriptional Factor Enhances Phenolic Acid Production in Transgenic Roots of Leonurus sibiricus L. and Their Biological Activities. Mol Biotechnol 2018; 60:74-82. [PMID: 29196986 DOI: 10.1007/s12033-017-0048-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This study examines the production of five phenolic acids (chlorogenic acid, neochlorogenic acid, ferulic acid, caffeic acid and p-coumaric acid) following over-expression of AtPAP1 transcription factor by four transgenic root clones of Leonurus sibiricus after Agrobacterium rhizogenes transformation. The AtPAP1 expression level was estimated by quantitative real-time PCR. High levels of phenolic acids were found in the transgenic roots of L. sibiricus and were determined by high-performance liquid chromatography-mass spectrometry analysis. Additionally, transgenic roots showed antimicrobial potential and cytotoxic activity on glioma cells in IV grade. Our results suggest that L. sibiricus transformed roots with AtPAP1 gene over-expression may represent a potential source of phenolic acids.
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Affiliation(s)
- Przemysław Sitarek
- Department of Biology and Pharmaceutical Botany, Medical University of Lodz, ul. Muszyńskiego 1, 90-151, Lodz, Poland.
| | - Tomasz Kowalczyk
- Department of Genetics and Plant Molecular Biology and Biotechnology, The University of Lodz, Banacha 12/13, Lodz, Poland
| | - Patricia Rijo
- Center for Research in Biosciences and Health Technologies (CBIOS), Universidade Lusófona de Humanidades e Tecnologias, 1749-024, Lisbon, Portugal
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-003, Lisbon, Portugal
| | - Adam J Białas
- Department of Pneumology and Allergy, 1st Chair of Internal Medicine, Medical University of Lodz, Lodz, Poland
| | - Marzena Wielanek
- Department of Plant Physiology and Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/13, Lodz, Poland
| | - Halina Wysokińska
- Department of Biology and Pharmaceutical Botany, Medical University of Lodz, ul. Muszyńskiego 1, 90-151, Lodz, Poland
| | - Catarina Garcia
- Center for Research in Biosciences and Health Technologies (CBIOS), Universidade Lusófona de Humanidades e Tecnologias, 1749-024, Lisbon, Portugal
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-003, Lisbon, Portugal
| | - Monika Toma
- Laboratory of Medical Genetics, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland
| | - Tomasz Śliwiński
- Laboratory of Medical Genetics, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland
| | - Ewa Skała
- Department of Biology and Pharmaceutical Botany, Medical University of Lodz, ul. Muszyńskiego 1, 90-151, Lodz, Poland
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Shi M, Huang F, Deng C, Wang Y, Kai G. Bioactivities, biosynthesis and biotechnological production of phenolic acids in Salvia miltiorrhiza. Crit Rev Food Sci Nutr 2018; 59:953-964. [PMID: 29746788 DOI: 10.1080/10408398.2018.1474170] [Citation(s) in RCA: 138] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Salvia miltiorrhiza (Danshen in Chinese), is a well-known traditional Chinese medicinal plant, which is used as not only human medicine but also health-promotion food. Danshen has been extensively used for the treatment of various cardiovascular and cerebrovascular diseases. As a major group of bioactive constituents from S. miltiorrhiza, water-soluble phenolic acids such as salvianolic acid B possessed good bioactivities including antioxidant, anti-inflammatory, anti-cancer and other health-promoting activities. It is of significance to improve the production of phenolic acids by modern biotechnology approaches to meet the increasing market demand. Significant progresses have been made in understanding the biosynthetic pathway and regulation mechanism of phenolic acids in S.miltiorrhiza, which will facilitate the process of targeted metabolic engineering or synthetic biology. Furthermore, multiple biotechnology methods such as in vitro culture, elicitation, hairy roots, endophytic fungi and bioreactors have been also used to obtain pharmaceutically active phenolic acids from S. miltiorrhiza. In this review, recent advances in bioactivities, biosynthetic pathway and biotechnological production of phenolic acid ingredients were summarized and future prospective was also discussed.
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Affiliation(s)
- Min Shi
- a Laboratory of Medicinal Plant Biotechnology, College of pharmacy, Zhejiang Chinese Medical University , Hangzhou , Zhejiang , People's Republic of China
| | - Fenfen Huang
- b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
| | - Changping Deng
- b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
| | - Yao Wang
- b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
| | - Guoyin Kai
- a Laboratory of Medicinal Plant Biotechnology, College of pharmacy, Zhejiang Chinese Medical University , Hangzhou , Zhejiang , People's Republic of China.,b Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai , People's Republic of China
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The Extract of Leonurus sibiricus Transgenic Roots with AtPAP1 Transcriptional Factor Induces Apoptosis via DNA Damage and Down Regulation of Selected Epigenetic Factors in Human Cancer Cells. Neurochem Res 2018; 43:1363-1370. [PMID: 29786770 PMCID: PMC6006195 DOI: 10.1007/s11064-018-2551-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 05/10/2018] [Accepted: 05/13/2018] [Indexed: 12/21/2022]
Abstract
The aim of this study was to determine the anticancer potential of Leonurus sibiricus extract derived from in vitro transgenic roots transformed by Agrobacetrium rhizogenes with AtPAP1 transcriptional factor, and that of transformed roots without construct, on grade IV human glioma cells and the U87MG cell line, and attempt to characterize the mechanism involved in this process. The anticancer effect induced by the tested extracts was associated with DNA damage, PARP cleavage/increased H2A.X histone levels and UHRF-1/DNMT1 down-regulation of mRNA levels. Additionally, we demonstrated differences in the content of compounds in the tested extracts by HPLC analysis with ATPAP1 construct and without. Both the tested extracts showed anticancer properties and the better results were observed for AtPAP1 with transcriptional factor root extract; this effect could be ascribed to the presence of higher condensed phenolic acids such as neochlorogenic acid, chlorogenic acids, ferulic acid, caffeic acid and p-coumaric acid. Further studies with AtPAP1 (with the transcriptional factor from Arabidopisi thaliana) root extract which showed better activities in combination with anticancer drugs are needed.
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27
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Pei T, Ma P, Ding K, Liu S, Jia Y, Ru M, Dong J, Liang Z. SmJAZ8 acts as a core repressor regulating JA-induced biosynthesis of salvianolic acids and tanshinones in Salvia miltiorrhiza hairy roots. JOURNAL OF EXPERIMENTAL BOTANY 2018; 69:1663-1678. [PMID: 29281115 DOI: 10.1093/jxb/erx484] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 12/18/2017] [Indexed: 05/19/2023]
Abstract
Jasmonates (JAs) are important plant hormones that regulate a variety of plant development and defense processes, including biosynthesis of secondary metabolites. The JASMONATE ZIM DOMAIN (JAZ) proteins act as negative regulators in the JA signaling pathways of plants. We first verified that methyl jasmonate (MeJA) enhanced the accumulation of both salvianolic acids and tanshinones in Salvia miltiorrhiza (Danshen) hairy roots by inducing the expression of their biosynthetic pathway genes. Nine JAZ genes were cloned from Danshen and their expression levels in hairy roots were all increased by treatment with MeJA. When analyzed in detail, however, SmJAZ8 showed the strongest expression in the induced hairy roots. Overexpression or RNAi of SmJAZ8 deregulated or up-regulated the yields of salvianolic acids and tanshinones in the MeJA-induced transgenic hairy roots, respectively, and transcription factors and biosynthetic pathway genes showed an expression pattern that mirrored the production of the compounds. Genetic transformation of SmJAZ8 altered the expression of other SmJAZ genes, suggesting evidence of crosstalk occurring in JAZ-regulated secondary metabolism. Furthermore, the transcriptome analysis revealed a primary-secondary metabolism balance regulated by SmJAZ8. Altogether, we propose a novel role for SmJAZ8 as a negative feedback loop controller in the JA-induced biosynthesis of salvianolic acids and tanshinones.
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Affiliation(s)
- Tianlin Pei
- College of Life Sciences, Northwest A & F University, Yangling, China
| | - Pengda Ma
- College of Life Sciences, Northwest A & F University, Yangling, China
| | - Kai Ding
- College of Life Sciences, Northwest A & F University, Yangling, China
| | - Sijia Liu
- College of Life Sciences, Northwest A & F University, Yangling, China
| | - Yanyan Jia
- College of Life Sciences, Northwest A & F University, Yangling, China
| | - Mei Ru
- College of Life Sciences, Northwest A & F University, Yangling, China
| | - Juane Dong
- College of Life Sciences, Northwest A & F University, Yangling, China
| | - Zongsuo Liang
- College of Life Sciences, Northwest A & F University, Yangling, China
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, China
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Du T, Niu J, Su J, Li S, Guo X, Li L, Cao X, Kang J. SmbHLH37 Functions Antagonistically With SmMYC2 in Regulating Jasmonate-Mediated Biosynthesis of Phenolic Acids in Salvia miltiorrhiza. FRONTIERS IN PLANT SCIENCE 2018; 9:1720. [PMID: 30524467 PMCID: PMC6262058 DOI: 10.3389/fpls.2018.01720] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Accepted: 11/05/2018] [Indexed: 05/03/2023]
Abstract
Jasmonates (JAs) are integral to various defense responses and induce biosynthesis of many secondary metabolites. MYC2, a basic helix-loop-helix (bHLH) transcription factor (TF), acts as a transcriptional activator of JA signaling. MYC2 is repressed by the JASMONATE ZIM-domain (JAZ) proteins in the absence of JA, but de-repressed by the protein complex SCFCOI1 on perception of JA. We previously reported that overexpression of SmMYC2 promotes the production of salvianolic acid B (Sal B) in Salvia miltiorrhiza. However, the responsible molecular mechanism is unclear. Here, we showed that SmMYC2 binds to and activates the promoters of its target genes SmTAT1, SmPAL1, and SmCYP98A14 to activate Sal B accumulations. SmbHLH37, a novel bHLH gene significantly up-regulated by constitutive expression of SmMYC2, was isolated from S. miltiorrhiza for detailed functional characterization. SmbHLH37 forms a homodimer and interacts with SmJAZ3/8. Overexpression of SmbHLH37 substantially decreased yields of Sal B. SmbHLH37 binds to the promoters of its target genes SmTAT1 and SmPAL1 and blocks their expression to suppress the pathway for Sal B biosynthesis. These results indicate that SmbHLH37 negatively regulates JA signaling and functions antagonistically with SmMYC2 in regulating Sal B biosynthesis in S. miltiorrhiza.
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Yang N, Zhou W, Su J, Wang X, Li L, Wang L, Cao X, Wang Z. Overexpression of SmMYC2 Increases the Production of Phenolic Acids in Salvia miltiorrhiza. FRONTIERS IN PLANT SCIENCE 2017; 8:1804. [PMID: 29230228 PMCID: PMC5708653 DOI: 10.3389/fpls.2017.01804] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 10/04/2017] [Indexed: 05/20/2023]
Abstract
MYC2 is a core transcription factor in the plant response to jasmonates. It also functions in secondary metabolism and various processes for growth and development. However, the knowledge about its role in Salvia miltiorrhiza is still very limited. We determined that the biosynthesis of salvianolic acid B (Sal B) was strongly induced in 2-month-old transgenic plants that over-expressed SmMYC2. In the roots of transgenic line 12 that over-expressed SmMYC2 (OEM-12), the Sal B concentration was as high as 5.95 ± 0.07 mg g-1, a level that was 1.88-fold higher than that in control plants that had been transformed with an empty vector. Neither tanshinone IIA nor cryptotanshinone was detected by high-performance liquid chromatography in any of the genotypes. Global transcriptomic analysis using RNA sequencing revealed that most enzyme-encoding genes for the phenylpropanoid biosynthesis pathway were up-regulated in the overexpression lines. Furthermore, both the phenylalanine and tyrosine biosynthesis pathways were activated in those transgenics. Our data demonstrate that overexpression of SmMYC2 promotes the production of phenolic acids by simultaneously activating both primary and secondary pathways for metabolism in S. miltiorrhiza.
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Affiliation(s)
| | | | | | | | | | | | - Xiaoyan Cao
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi’an, China
| | - Zhezhi Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, Shaanxi Normal University, Xi’an, China
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Ding K, Pei T, Bai Z, Jia Y, Ma P, Liang Z. SmMYB36, a Novel R2R3-MYB Transcription Factor, Enhances Tanshinone Accumulation and Decreases Phenolic Acid Content in Salvia miltiorrhiza Hairy Roots. Sci Rep 2017; 7:5104. [PMID: 28698552 PMCID: PMC5506036 DOI: 10.1038/s41598-017-04909-w] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 05/22/2017] [Indexed: 11/08/2022] Open
Abstract
Phenolic acids and tanshinones are two major bioactive components in Salvia miltiorrhiza Bunge. A novel endogenous R2R3-MYB transcription factor, SmMYB36, was identified in this research. This transcript factor can simultaneously influence the content of two types of components in SmMYB36 overexpression hairy roots. SmMYB36 was mainly localized in the nucleus of onion epidermis and it has transactivation activity. The overexpression of SmMYB36 promoted tanshinone accumulation but inhibited phenolic acid and flavonoid biosynthesis in Salvia miltiorrhiza hairy roots. The altered metabolite content was due to changed metabolic flow which was regulated by transcript expression of metabolic pathway genes. The gene transcription levels of the phenylpropanoid general pathway, tyrosine derived pathway, methylerythritol phosphate pathway and downstream tanshinone biosynthetic pathway changed significantly due to the overexpression of SmMYB36. The wide distribution of MYB binding elements (MBS, MRE, MBSI and MBSII) and electrophoretic mobility shift assay results indicated that SmMYB36 may be an effective tool to regulate metabolic flux shifts.
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Affiliation(s)
- Kai Ding
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, China
| | - Tianlin Pei
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, China
| | - Zhengqing Bai
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, China
| | - Yanyan Jia
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, China
| | - Pengda Ma
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, China.
| | - Zongsuo Liang
- College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, China.
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China.
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Liu Y, Sun G, Zhong Z, Ji L, Zhang Y, Zhou J, Zheng X, Deng K. Overexpression of AtEDT1 promotes root elongation and affects medicinal secondary metabolite biosynthesis in roots of transgenic Salvia miltiorrhiza. PROTOPLASMA 2017; 254:1617-1625. [PMID: 27915455 DOI: 10.1007/s00709-016-1045-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 11/07/2016] [Indexed: 05/13/2023]
Abstract
Medicinal secondary metabolites (salvianolic acids and tanshinones) are valuable natural bioactive compounds in Salvia miltiorrhiza and have widespread applications. Improvement of medicinal secondary metabolite accumulation through biotechnology is necessary and urgent to satisfy their increasing demand. Herein, it was demonstrated that the overexpression of the transcription factor Arabidopsis thaliana-enhanced drought tolerance 1 (AtEDT1) could affect medicinal secondary metabolite accumulation. In this study, we observed that the transgenic lines significantly conferred drought tolerance phenotype. Meanwhile, we found that the overexpression of AtEDT1 promoted root elongation in S. miltiorrhiza. Interestingly, we also found that the overexpression of AtEDT1 determined the accumulation of salvianolic acids, such as rosmarinic acid, lithospermic acid, salvianolic acid B, and total salvianolic acids due to the induction of the expression levels of salvianolic acid biosynthetic genes. Conversely, S. miltiorrhiza plants overexpressing the AtEDT1 transgene showed a decrease in tanshinone synthesis. Our results demonstrated that the overexpression of AtEDT1 significantly increased the accumulation of salvianolic acids in S. miltiorrhiza. Further studies are required to better elucidate the functional role of AtEDT1 in the regulation of phytochemical compound synthesis.
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Affiliation(s)
- Yu Liu
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054, China
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Geng Sun
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054, China
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Zhaohui Zhong
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054, China
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Linyi Ji
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054, China
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Yong Zhang
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054, China
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Jianping Zhou
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054, China
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Xuelian Zheng
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054, China.
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu, 610054, China.
| | - Kejun Deng
- School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, 610054, China.
- Center for Informational Biology, University of Electronic Science and Technology of China, Chengdu, 610054, China.
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Comparative RNA-Sequence Transcriptome Analysis of Phenolic Acid Metabolism in Salvia miltiorrhiza, a Traditional Chinese Medicine Model Plant. Int J Genomics 2017; 2017:9364594. [PMID: 28194403 PMCID: PMC5282420 DOI: 10.1155/2017/9364594] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 10/26/2016] [Accepted: 11/27/2016] [Indexed: 11/17/2022] Open
Abstract
Salvia miltiorrhiza Bunge is an important traditional Chinese medicine (TCM). In this study, two S. miltiorrhiza genotypes (BH18 and ZH23) with different phenolic acid concentrations were used for de novo RNA sequencing (RNA-seq). A total of 170,787 transcripts and 56,216 unigenes were obtained. There were 670 differentially expressed genes (DEGs) identified between BH18 and ZH23, 250 of which were upregulated in ZH23, with genes involved in the phenylpropanoid biosynthesis pathway being the most upregulated genes. Nine genes involved in the lignin biosynthesis pathway were upregulated in BH18 and thus result in higher lignin content in BH18. However, expression profiles of most genes involved in the core common upstream phenylpropanoid biosynthesis pathway were higher in ZH23 than that in BH18. These results indicated that genes involved in the core common upstream phenylpropanoid biosynthesis pathway might play an important role in downstream secondary metabolism and demonstrated that lignin biosynthesis was a putative partially competing pathway with phenolic acid biosynthesis. The results of this study expanded our understanding of the regulation of phenolic acid biosynthesis in S. miltiorrhiza.
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He X, Li Y, Lawson D, Xie DY. Metabolic engineering of anthocyanins in dark tobacco varieties. PHYSIOLOGIA PLANTARUM 2017; 159:2-12. [PMID: 27229540 DOI: 10.1111/ppl.12475] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Accepted: 05/16/2016] [Indexed: 06/05/2023]
Abstract
In this study, we investigate the metabolic engineering of anthocyanins in two dark tobacco crops (Narrow Leaf Madole and KY171) and evaluate the effects on physiological features of plant photosynthesis. Arabidopsis PAP1 (production of anthocyanin pigment 1) gene (AtPAP1) encodes a R2R3-type MYB transcript factor that is a master component of regulatory complexes controlling anthocyanin biosynthesis. AtPAP1 was introduced to Narrow Leaf Madole and KY171 plants. Multiple transgenic plants developed red/purple pigmentation in different tissues. Quantitative real-time polymerase chain reaction (qRT-PCR) analysis showed that the expression levels of six pathway genes were increased two- to eight-fold in AtPAP1 transgenic plants compared with vector control plants. Dihydroflavonol reductase and anthocyanidin synthase genes that were not expressed in wild-type plants were activated. Spectrophotometric measurement showed that the amount of anthocyanins in AtPAP1 transgenic plants were 400-800 µg g-1 fresh weight (FW). High-performance liquid chromatography (HPLC) analysis showed that one main anthocyanin molecule accounted for approximately 98% of the total anthocyanins. Tandem MS/MS analysis using HPLC coupled to electrospray ionization and quadrupole time-of-flight mass spectrometry identified the main anthocyanin as cyanidin 3-O-rutinoside, an important medicinal anthocyanin. Analysis of photosynthesis rate, chlorophylls and carotenoids contents showed no differences between red/purple transgenic and control plants, indicating that this metabolic engineering did not alter photosynthetic physiological traits. This study shows that AtPAP1 is of significance for metabolic engineering of anthocyanins in crop plants for value-added traits.
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Affiliation(s)
- Xianzhi He
- Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC, 27695, USA
| | - Yong Li
- Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC, 27695, USA
| | - Darlene Lawson
- Department of Research and Development, R. J. Reynolds Tobacco Company, Winston-Salem, NC, 27102, USA
| | - De-Yu Xie
- Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC, 27695, USA
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Jia Y, Bai Z, Pei T, Ding K, Liang Z, Gong Y. The Protein Kinase SmSnRK2.6 Positively Regulates Phenolic Acid Biosynthesis in Salvia miltiorrhiza by Interacting with SmAREB1. FRONTIERS IN PLANT SCIENCE 2017; 8:1384. [PMID: 28848585 PMCID: PMC5552723 DOI: 10.3389/fpls.2017.01384] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Accepted: 07/25/2017] [Indexed: 05/03/2023]
Abstract
Subclass III members of the sucrose non-fermenting-1-related protein kinase 2 (SnRK2) play essential roles in both the abscisic acid signaling and abiotic stress responses of plants by phosphorylating the downstream ABA-responsive element (ABRE)-binding proteins (AREB/ABFs). This comprehensive study investigated the function of new candidate genes, namely SmSnRK2.3, SmSnRK2.6, and SmAREB1, with a view to breeding novel varieties of Salvia miltiorrhiza with improved stress tolerance stresses and more content of bioactive ingredients. Exogenous ABA strongly induced the expression of these genes. PlantCARE predicted several hormones and stress response cis-elements in their promoters. SmSnRK2.6 and SmAREB1 showed the highest expression levels in the leaves of S. miltiorrhiza seedlings, while SmSnRK2.3 exhibited a steady expression in their roots, stems, and leaves. A subcellular localization assay revealed that both SmSnRK2.3 and SmSnRK2.6 were located in the cell membrane, cytoplasm, and nucleus, whereas SmAREB1 was exclusive to the nucleus. Overexpressing SmSnRK2.3 did not significantly promote the accumulation of rosmarinic acid (RA) and salvianolic acid B (Sal B) in the transgenic S. miltiorrhiza hairy roots. However, overexpressing SmSnRK2.6 and SmAREB1 increased the contents of RA and Sal B, and regulated the expression levels of structural genes participating in the phenolic acid-branched and side-branched pathways, including SmPAL1, SmC4H, Sm4CL1, SmTAT, SmHPPR, SmRAS, SmCHS, SmCCR, SmCOMT, and SmHPPD. Furthermore, SmSnRK2.3 and SmSnRK2.6 interacted physically with SmAREB1. In summary, our results indicate that SmSnRK2.6 is involved in stress responses and can regulate structural gene transcripts to promote greater metabolic flux to the phenolic acid-branched pathway, via its interaction with SmAREB1, a transcription factor. In this way, SmSnRK2.6 contributes to the positive regulation of phenolic acids in S. miltiorrhiza hairy roots.
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Affiliation(s)
- Yanyan Jia
- College of Life Sciences, Northwest A&F UniversityYangling, China
| | - Zhenqing Bai
- College of Life Sciences, Northwest A&F UniversityYangling, China
| | - Tianlin Pei
- College of Life Sciences, Northwest A&F UniversityYangling, China
| | - Kai Ding
- College of Life Sciences, Northwest A&F UniversityYangling, China
| | - Zongsuo Liang
- College of Life Sciences, Northwest A&F UniversityYangling, China
- College of Life Sciences, Zhejiang Sci-Tech UniversityHangzhou, China
- *Correspondence: Zongsuo Liang, Yuehua Gong,
| | - Yuehua Gong
- Sichuan Tea College, Yibin UniversityYibin, China
- *Correspondence: Zongsuo Liang, Yuehua Gong,
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Ma R, Xiao Y, Lv Z, Tan H, Chen R, Li Q, Chen J, Wang Y, Yin J, Zhang L, Chen W. AP2/ERF Transcription Factor, Ii049, Positively Regulates Lignan Biosynthesis in Isatis indigotica through Activating Salicylic Acid Signaling and Lignan/Lignin Pathway Genes. FRONTIERS IN PLANT SCIENCE 2017; 8:1361. [PMID: 28824690 PMCID: PMC5543283 DOI: 10.3389/fpls.2017.01361] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Accepted: 07/20/2017] [Indexed: 05/15/2023]
Abstract
Lignans, such as lariciresinol and its derivatives, have been identified as effective antiviral ingredients in Isatis indigotica. Evidence suggests that the APETALA2/ethylene response factor (AP2/ERF) family might be related to the biosynthesis of lignans in I. indigotica. However, the special role played by the AP2/ERF family in the metabolism and its underlying putative mechanism still need to be elucidated. One novel AP2/ERF gene, named Ii049, was isolated and characterized from I. indigotica in this study. The quantitative real-time PCR analysis revealed that Ii049 was expressed highest in the root and responded to methyl jasmonate, salicylic acid (SA) and abscisic acid treatments to various degrees. Subcellular localization analysis indicated that Ii049 protein was localized in the nucleus. Knocking-down the expression of Ii049 caused a remarkable reduction of lignan/lignin contents and transcript levels of genes involved in the lignan/lignin biosynthetic pathway. Ii049 bound to the coupled element 1, RAV1AAT and CRTAREHVCBF2 motifs of genes IiPAL and IiCCR, the key structural genes in the lignan/lignin pathway. Furthermore, Ii049 was also essential for SA biosynthesis, and SA induced lignan accumulation in I. indigotica. Notably, the transgenic I. indigotica hairy roots overexpressing Ii049 showed high expression levels of lignan/lignin biosynthetic genes and SA content, resulting in significant accumulation of lignan/lignin. The best-engineered line (OVX049-10) produced 425.60 μg·g-1 lariciresinol, an 8.3-fold increase compared with the wild type production. This study revealed the function of Ii049 in regulating lignan/lignin biosynthesis, which had the potential to increase the content of valuable lignan/lignin in economically significant medicinal plants.
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Affiliation(s)
- Ruifang Ma
- Department of Pharmacy, Changzheng Hospital, Second Military Medical UniversityShanghai, China
| | - Ying Xiao
- Department of Pharmacy, Changzheng Hospital, Second Military Medical UniversityShanghai, China
| | - Zongyou Lv
- Department of Pharmaceutical Botany, School of Pharmacy, Second Military Medical UniversityShanghai, China
| | - Hexin Tan
- Department of Pharmaceutical Botany, School of Pharmacy, Second Military Medical UniversityShanghai, China
| | - Ruibing Chen
- Department of Pharmaceutical Botany, School of Pharmacy, Second Military Medical UniversityShanghai, China
| | - Qing Li
- Department of Pharmacy, Changzheng Hospital, Second Military Medical UniversityShanghai, China
| | - Junfeng Chen
- Department of Pharmacy, Changzheng Hospital, Second Military Medical UniversityShanghai, China
| | - Yun Wang
- Department of Pharmacy, Changzheng Hospital, Second Military Medical UniversityShanghai, China
| | - Jun Yin
- Development and Utilization Key Laboratory of Northeast Plant Materials, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical UniversityShenyang, China
- *Correspondence: Jun Yin
| | - Lei Zhang
- Department of Pharmaceutical Botany, School of Pharmacy, Second Military Medical UniversityShanghai, China
- Lei Zhang
| | - Wansheng Chen
- Department of Pharmacy, Changzheng Hospital, Second Military Medical UniversityShanghai, China
- Wansheng Chen
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Potent Protection Against MPP +-Induced Neurotoxicity via Activating Transcription Factor MEF2D by a Novel Derivative of Naturally Occurring Danshensu/Tetramethylpyrazine. Neuromolecular Med 2016; 18:561-572. [PMID: 27277280 DOI: 10.1007/s12017-016-8399-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 04/21/2016] [Indexed: 01/05/2023]
Abstract
Danshensu (DSS) and tetramethylpyrazine (TMP) are active ingredients of Salvia miltiorrhiza Bge. and Ligusticum chuanxiong Hort that are widely used in oriental medicine. Structural combination of compounds with known biological activity may lead to the formation of a molecule with multiple properties or new function profile. In the current study, the neuroprotective effects of DT-010, a novel analogue in which TMP was coupled to DSS through an ester bond and two allyl groups at the carboxyl group, were evaluated in a cellular model of Parkinson's disease (PD). As evidenced by the increase in cell survival, as well as the decrease in the number of Hoechst-stained apoptotic nuclei and the level of intracellular accumulation of reactive oxygen species, DT-010 at 3-30 µM substantially protected against MPP+-induced neurotoxicity in both PC12 cells and primary cerebellar granule neurons, a protection that was more potent and efficacious than its parent molecules DSS and TMP. Very encouragingly, we found that DT-010, but not DSS or TMP, could enhance myocyte enhancer factor 2D (MEF2D) transcriptional activity using luciferase reporter gene assay. The neuroprotective effects of DT-010 could be blocked by pharmacologic inhibition of PI3K pathways with LY294002, or MEF2D pathway with short hairpin RNA-mediated knockdown of MEF2D. Furthermore, western blot analysis revealed that DT-010 potentiates Akt protein expression against MPP+ to down-regulate MEF2D inhibitor GSK3β. Taken together, the results suggest that DT-010 prevents MPP+-induced neurotoxicity via enhancing MEF2D through the activation of PI3K/Akt/GSK3β pathway. DT-010 may be a potential candidate for further preclinical study for preventing and treating PD.
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Shi M, Luo X, Ju G, Li L, Huang S, Zhang T, Wang H, Kai G. Enhanced Diterpene Tanshinone Accumulation and Bioactivity of Transgenic Salvia miltiorrhiza Hairy Roots by Pathway Engineering. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:2523-30. [PMID: 26753746 DOI: 10.1021/acs.jafc.5b04697] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Tanshinones are health-promoting diterpenoids found in Salvia miltiorrhiza and have wide applications. Here, SmGGPPS (geranylgeranyl diphosphate synthase) and SmDXSII (1-deoxy-D-xylulose-5-phosphate synthase) were introduced into hairy roots of S. miltiorrhiza. Overexpression of SmGGPPS and SmDXSII in hairy roots produces higher levels of tanshinone than control and single-gene transformed lines; tanshinone production in the double-gene transformed line GDII10 reached 12.93 mg/g dry weight, which is the highest tanshinone content that has been achieved through genetic engineering. Furthermore, transgenic hairy root lines showed higher antioxidant and antitumor activities than control lines. In addition, contents of chlorophylls, carotenoids, indoleacetic acid, and gibberellins were significantly elevated in transgenic Arabidopsis thaliana plants. These results demonstrate a promising method to improve the production of diterpenoids including tanshinone as well as other natural plastid-derived isoprenoids in plants by genetic manipulation of the 2-C-methyl-D-erythritol-4-phosphate (MEP) pathway.
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Affiliation(s)
- Min Shi
- Zhejiang Provincial Key Laboratory for Genetic Improvement and Quality Control of Medicinal Plants, Hangzhou Normal University , Hangzhou 310018, People's Republic of China
- Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai 200234, People's Republic of China
| | - Xiuqin Luo
- Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai 200234, People's Republic of China
| | - Guanhua Ju
- Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai 200234, People's Republic of China
| | - Leilei Li
- Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai 200234, People's Republic of China
| | - Shengxiong Huang
- Kunming Institute of Botany, Chinese Academy of Sciences , Kunming 650201, People's Republic of China
| | - Tong Zhang
- Experiment Center For Teaching & Learning, Shanghai University of Traditional Chinese Medicine , Shanghai 201203, People's Republic of China
| | - Huizhong Wang
- Zhejiang Provincial Key Laboratory for Genetic Improvement and Quality Control of Medicinal Plants, Hangzhou Normal University , Hangzhou 310018, People's Republic of China
| | - Guoyin Kai
- Institute of Plant Biotechnology, Development Center of Plant Germplasm Resources, College of Life and Environment Sciences, Shanghai Normal University , Shanghai 200234, People's Republic of China
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Bulgakov VP, Avramenko TV, Tsitsiashvili GS. Critical analysis of protein signaling networks involved in the regulation of plant secondary metabolism: focus on anthocyanins. Crit Rev Biotechnol 2016; 37:685-700. [PMID: 26912350 DOI: 10.3109/07388551.2016.1141391] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Anthocyanin biosynthesis in Arabidopsis is a convenient and relatively simple model for investigating the basic principles of secondary metabolism regulation. In recent years, many publications have described links between anthocyanin biosynthesis and general defense reactions in plants as well as photomorphogenesis and hormonal signaling. These relationships are complex, and they cannot be understood intuitively. Upon observing the lacuna in the Arabidopsis interactome (an interaction map of the factors involved in the regulation of Arabidopsis secondary metabolism is not available), we attempted to connect various cellular processes that affect anthocyanin biosynthesis. In this review, we revealed the main signaling protein modules that regulate anthocyanin biosynthesis. To our knowledge, this is the first reconstruction of a network of proteins involved in plant secondary metabolism.
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Affiliation(s)
- Victor P Bulgakov
- a Institute of Biology and Soil Science, Far East Branch of the Russian Academy of Sciences , Vladivostok 690022 , Russia and.,b Far Eastern Federal University , Vladivostok 690950 , Russia , and
| | - Tatiana V Avramenko
- a Institute of Biology and Soil Science, Far East Branch of the Russian Academy of Sciences , Vladivostok 690022 , Russia and
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Biosynthesis and Regulation of Active Compounds in Medicinal Model Plant Salvia miltiorrhiza. CHINESE HERBAL MEDICINES 2016. [DOI: 10.1016/s1674-6384(16)60002-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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40
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Zhao S, Zhang J, Tan R, Yang L, Zheng X. Enhancing diterpenoid concentration in Salvia miltiorrhiza hairy roots through pathway engineering with maize C1 transcription factor. JOURNAL OF EXPERIMENTAL BOTANY 2015; 66:7211-26. [PMID: 26355149 DOI: 10.1093/jxb/erv418] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Tanshinones are valuable natural diterpenoids from danshen (Salvia miltiorrhiza Bunge). Here, it was demonstrated that maize transcription factor C1 improved the accumulation of tanshinones by comprehensively upregulating the pathway genes, especially SmMDC and SmPMK in danshen hairy roots, yielding total tanshinones up to 3.59mg g(-1) of dry weight in line C1-6, a 3.4-fold increase compared with the control. Investigation of 2024bp of the SmMDC promoter fragment revealed that C1-mediated upregulation of terpenoid genes was possibly due to the direct interaction of C1 with its recognition sequences. The increase of tanshinones was accompanied by a decrease of salvianolic acid production, the other bioactive ingredient in danshen, by up to 37% compared with the control. This was the result of the downregulation of SmTAT, the entry-point gene of the tyrosine pathway, which promoted metabolic flow to anthocyanins rather than to salvianolic acids. Based on the findings of the present study, it was concluded that cis-acting elements shared by terpenoid and phenylpropanoid biosynthetic genes are partially responsible for the C1-stimulated variation of tanshinone and salvianolic acid concentrations.
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Affiliation(s)
- Shujuan Zhao
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Complex Prescription, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China
| | - Jinjia Zhang
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Complex Prescription, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China
| | - Ronghui Tan
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Complex Prescription, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China
| | - Li Yang
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Complex Prescription, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China
| | - Xiaoyu Zheng
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, The MOE Key Laboratory for Standardization of Chinese Medicines and Shanghai Key Laboratory of Complex Prescription, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, PR China
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Zhang S, Li H, Liang X, Yan Y, Xia P, Jia Y, Liang Z. Enhanced production of phenolic acids in Salvia miltiorrhiza hairy root cultures by combing the RNAi-mediated silencing of chalcone synthase gene with salicylic acid treatment. Biochem Eng J 2015. [DOI: 10.1016/j.bej.2015.07.019] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Ge Q, Zhang Y, Hua WP, Wu YC, Jin XX, Song SH, Wang ZZ. Combination of transcriptomic and metabolomic analyses reveals a JAZ repressor in the jasmonate signaling pathway of Salvia miltiorrhiza. Sci Rep 2015; 5:14048. [PMID: 26388160 PMCID: PMC4585666 DOI: 10.1038/srep14048] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Accepted: 08/17/2015] [Indexed: 12/31/2022] Open
Abstract
Jasmonates (JAs) are plant-specific key signaling molecules that respond to various stimuli and are involved in the synthesis of secondary metabolites. However, little is known about the JA signal pathway, especially in economically significant medicinal plants. To determine the functions of novel genes that participate in the JA-mediated accumulation of secondary metabolites, we examined the metabolomic and transcriptomic signatures from Salvia miltiorrhiza. For the metabolome, 35 representative metabolites showing significant changes in rates of accumulation were extracted and identified. We also screened out 2131 differentially expressed unigenes, of which 30 were involeved in the phenolic secondary metabolic pathway, while 25 were in the JA biosynthesis and signal pathways. Among several MeJA-induced novel genes, SmJAZ8 was selected for detailed functional analysis. Transgenic plants over-expressing SmJAZ8 exhibited a JA-insensitive phenotype, suggesting that the gene is a transcriptional regulator in the JA signal pathway of S. miltiorrhiza. Furthermore, this transgenic tool revealed that JAZ genes have novel function in the constitutive accumulation of secondary metabolites. Based on these findings, we propose that the combined strategy of transcriptomic and metabolomic analyses is valuable for efficient discovery of novel genes in plants.
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Affiliation(s)
- Qian Ge
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Yuan Zhang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Wen-Ping Hua
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Yu-Cui Wu
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Xin-Xin Jin
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Shuang-Hong Song
- Co-Innovation Center for Qinba regions' sustainable development, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Zhe-Zhi Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
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Liu J, Osbourn A, Ma P. MYB Transcription Factors as Regulators of Phenylpropanoid Metabolism in Plants. MOLECULAR PLANT 2015; 8:689-708. [PMID: 25840349 DOI: 10.1016/j.molp.2015.03.012] [Citation(s) in RCA: 450] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Revised: 02/19/2015] [Accepted: 03/24/2015] [Indexed: 05/18/2023]
Abstract
Phenylpropanoid-derived compounds represent a diverse family of secondary metabolites that originate from phenylalanine. These compounds have roles in plant growth and development, and in defense against biotic and abiotic stress. Many of these compounds are also beneficial to human health and welfare. V-myb myeloblastosis viral oncogene homolog (MYB) proteins belong to a large family of transcription factors and are key regulators of the synthesis of phenylpropanoid-derived compounds. This review summarizes the current understanding of MYB proteins and their roles in the regulation of phenylpropanoid metabolism in plants.
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Affiliation(s)
- Jingying Liu
- College of Life Sciences, Northwest A&F University, Yangling 712100, China
| | - Anne Osbourn
- Department of Metabolic Biology, John Innes Centre, Norwich NR4 7UH, UK
| | - Pengda Ma
- College of Life Sciences, Northwest A&F University, Yangling 712100, China; Department of Metabolic Biology, John Innes Centre, Norwich NR4 7UH, UK.
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Khojasteh A, Mirjalili MH, Hidalgo D, Corchete P, Palazon J. New trends in biotechnological production of rosmarinic acid. Biotechnol Lett 2014; 36:2393-406. [PMID: 25214214 DOI: 10.1007/s10529-014-1640-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 08/08/2014] [Indexed: 12/13/2022]
Abstract
Rosmarinic acid (RA), an ester of caffeic acid and 3,4-dihydroxyphenyl lactic acid, is widely distributed in the plant kingdom. Interest in it is growing due to its promising biological activities, including cognitive-enhancing effects and slowing the development of Alzheimer's disease, cancer chemoprotection or anti-inflammatory activity, among others. In order to meet the increasing demand for this compound, several biotechnological approaches to its production based on plant cell and hairy root cultures have been developed. Empirical strategies are currently being combined with metabolic engineering tools to increase RA production in plant cell platforms in a more rational way. Discussed here are the latest advances in the field, together with recent trends in plant biotechnology, such as the application of single use technology and the use of biosensors in downstream processes.
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Affiliation(s)
- Abbas Khojasteh
- Institute of Biotechnology, Biochemical Engineering and Cell Cultivation Techniques, Zurich University of Applied Sciences, Campus Grüental, Wädenswil, Switzerland
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Verdu CF, Guyot S, Childebrand N, Bahut M, Celton JM, Gaillard S, Lasserre-Zuber P, Troggio M, Guilet D, Laurens F. QTL analysis and candidate gene mapping for the polyphenol content in cider apple. PLoS One 2014; 9:e107103. [PMID: 25271925 PMCID: PMC4182701 DOI: 10.1371/journal.pone.0107103] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Accepted: 08/12/2014] [Indexed: 11/25/2022] Open
Abstract
Polyphenols have favorable antioxidant potential on human health suggesting that their high content is responsible for the beneficial effects of apple consumption. They control the quality of ciders as they predominantly account for astringency, bitterness, color and aroma. In this study, we identified QTLs controlling phenolic compound concentrations and the average polymerization degree of flavanols in a cider apple progeny. Thirty-two compounds belonging to five groups of phenolic compounds were identified and quantified by reversed phase liquid chromatography on both fruit extract and juice, over three years. The average polymerization degree of flavanols was estimated in fruit by phloroglucinolysis coupled to HPLC. Parental maps were built using SSR and SNP markers and used for the QTL analysis. Sixty-nine and 72 QTLs were detected on 14 and 11 linkage groups of the female and male maps, respectively. A majority of the QTLs identified in this study are specific to this population, while others are consistent with previous studies. This study presents for the first time in apple, QTLs for the mean polymerization degree of procyanidins, for which the mechanisms involved remains unknown to this day. Identification of candidate genes underlying major QTLs was then performed in silico and permitted the identification of 18 enzymes of the polyphenol pathway and six transcription factors involved in the apple anthocyanin regulation. New markers were designed from sequences of the most interesting candidate genes in order to confirm their co-localization with underlying QTLs by genetic mapping. Finally, the potential use of these QTLs in breeding programs is discussed.
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Affiliation(s)
- Cindy F. Verdu
- INRA, UMR1345 Institut de Recherche en Horticulture et Semences, Beaucouzé, France
- Université d'Angers, UMR1345 Institut de Recherche en Horticulture et Semences, SFR 4207 QUASAV, PRES L'UNAM, Angers, France
- AgroCampus-Ouest, UMR1345 Institut de Recherche en Horticulture et Semences, Angers, France
- Université d'Angers, EA921 Laboratoire de Substances d'Origine Naturelle et Analogues Structuraux, SFR 4207 Quasav, PRES L'UNAM, Angers, France
| | - Sylvain Guyot
- INRA, UR1268 Biopolymères, Interactions & Assemblages, Equipe « Polyphénols, Réactivité & Procédés », Le Rheu, France
| | - Nicolas Childebrand
- INRA, UMR1345 Institut de Recherche en Horticulture et Semences, Beaucouzé, France
- Université d'Angers, UMR1345 Institut de Recherche en Horticulture et Semences, SFR 4207 QUASAV, PRES L'UNAM, Angers, France
- AgroCampus-Ouest, UMR1345 Institut de Recherche en Horticulture et Semences, Angers, France
| | - Muriel Bahut
- INRA, UMR1345 Institut de Recherche en Horticulture et Semences, Beaucouzé, France
- Université d'Angers, UMR1345 Institut de Recherche en Horticulture et Semences, SFR 4207 QUASAV, PRES L'UNAM, Angers, France
- AgroCampus-Ouest, UMR1345 Institut de Recherche en Horticulture et Semences, Angers, France
| | - Jean-Marc Celton
- INRA, UMR1345 Institut de Recherche en Horticulture et Semences, Beaucouzé, France
- Université d'Angers, UMR1345 Institut de Recherche en Horticulture et Semences, SFR 4207 QUASAV, PRES L'UNAM, Angers, France
- AgroCampus-Ouest, UMR1345 Institut de Recherche en Horticulture et Semences, Angers, France
| | - Sylvain Gaillard
- INRA, UMR1345 Institut de Recherche en Horticulture et Semences, Beaucouzé, France
- Université d'Angers, UMR1345 Institut de Recherche en Horticulture et Semences, SFR 4207 QUASAV, PRES L'UNAM, Angers, France
- AgroCampus-Ouest, UMR1345 Institut de Recherche en Horticulture et Semences, Angers, France
| | - Pauline Lasserre-Zuber
- INRA-UBP, UMR1095 Genetics, Diversity and Ecophysiology of Cereals, Clermont-Ferrand, France
| | - Michela Troggio
- Research and Innovation Centre, Fondazione Edmund Mach, S. Michele all'Adige, TN, Italy
| | - David Guilet
- Université d'Angers, EA921 Laboratoire de Substances d'Origine Naturelle et Analogues Structuraux, SFR 4207 Quasav, PRES L'UNAM, Angers, France
| | - François Laurens
- INRA, UMR1345 Institut de Recherche en Horticulture et Semences, Beaucouzé, France
- Université d'Angers, UMR1345 Institut de Recherche en Horticulture et Semences, SFR 4207 QUASAV, PRES L'UNAM, Angers, France
- AgroCampus-Ouest, UMR1345 Institut de Recherche en Horticulture et Semences, Angers, France
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Mitsunami T, Nishihara M, Galis I, Alamgir KM, Hojo Y, Fujita K, Sasaki N, Nemoto K, Sawasaki T, Arimura GI. Overexpression of the PAP1 transcription factor reveals a complex regulation of flavonoid and phenylpropanoid metabolism in Nicotiana tabacum plants attacked by Spodoptera litura. PLoS One 2014; 9:e108849. [PMID: 25268129 PMCID: PMC4182574 DOI: 10.1371/journal.pone.0108849] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Accepted: 08/25/2014] [Indexed: 12/30/2022] Open
Abstract
Anthocyanin pigments and associated flavonoids have demonstrated antioxidant properties and benefits for human health. Consequently, current plant bioengineers have focused on how to modify flavonoid metabolism in plants. Most of that research, however, does not consider the role of natural biotic stresses (e.g., herbivore attack). To understand the influence of herbivore attack on the metabolic engineering of flavonoids, we examined tobacco plants overexpressing the Arabidopsis PAP1 gene (encoding an MYB transcription factor), which accumulated anthocyanin pigments and other flavonoids/phenylpropanoids. In comparison to wild-type and control plants, transgenic plants exhibited greater resistance to Spodoptera litura. Moreover, herbivory suppressed the PAP1-induced increase of transcripts of flavonoid/phenylpropanoid biosynthetic genes (e.g., F3H) and the subsequent accumulation of these genes' metabolites, despite the unaltered PAP1 mRNA levels after herbivory. The instances of down-regulation were independent of the signaling pathways mediated by defense-related jasmonates but were relevant to the levels of PAP1-induced and herbivory-suppressed transcription factors, An1a and An1b. Although initially F3H transcripts were suppressed by herbivory, after the S. litura feeding was interrupted, F3H transcripts increased. We hypothesize that in transgenic plants responding to herbivory, there is a complex mechanism regulating enriched flavonoid/phenylpropanoid compounds, via biotic stress signals.
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Affiliation(s)
- Tomoko Mitsunami
- Department of Biological Science & Technology, Faculty of Industrial Science & Technology, Tokyo University of Science, Tokyo, Japan
| | | | - Ivan Galis
- Institute of Plant Science and Resources, Okayama University, Kurashiki, Japan
| | - Kabir Md Alamgir
- Institute of Plant Science and Resources, Okayama University, Kurashiki, Japan
| | - Yuko Hojo
- Institute of Plant Science and Resources, Okayama University, Kurashiki, Japan
| | - Kohei Fujita
- Iwate Biotechnology Research Center, Kitakami, Japan
| | | | | | | | - Gen-ichiro Arimura
- Department of Biological Science & Technology, Faculty of Industrial Science & Technology, Tokyo University of Science, Tokyo, Japan
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Zhou GJ, Wang W, Xie XM, Qin MJ, Kuai BK, Zhou TS. Post-harvest induced production of salvianolic acids and significant promotion of antioxidant properties in roots of Salvia miltiorrhiza (Danshen). Molecules 2014; 19:7207-22. [PMID: 24886944 PMCID: PMC6271733 DOI: 10.3390/molecules19067207] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Revised: 05/23/2014] [Accepted: 05/27/2014] [Indexed: 01/17/2023] Open
Abstract
Danshen, the dried roots of Salvia miltiorrhiza, is an extremely valued Traditional Chinese Medicine. Previously, we have demonstrated that salvianolic acid B (SaB), the important bioactive ingredient in this herb, was a post-harvest product. Here, we further reported that all salvianolic acids (SAs) in the roots were post-harvest products of the drying process. In addition, the results of various radical scavenging activity assays, including lipid peroxidation (1), DPPH (2), hydroxyl (3) and superoxide (4), were significantly increased along with the accumulation of total salvianolic acids in the process. The contents of chemical targets and antioxidant activities both reached the highest value under thermal treatment at 130 °C for 80 min. In this dehydration period, contents of SaB, and sum of nine SAs increased from 0.01% to 5.51%, and 0.20% to 6.61%; and IC50 of antioxidant activity decreased from 4.85 to 2.69 (1); 7.75 to 0.43 (2); 2.57 to 1.13 (3) and 17.25 to 1.10 mg/mL. These results further supported the hypothesis that the newly harvested plant roots were still physiologically active and the secondary metabolites might be produced due to dehydration stress after harvest. Our findings supplied an important and useful theoretical basis for promoting the quality of Danshen and other medicinal plant materials.
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Affiliation(s)
- Guo-Jun Zhou
- Research Center of Natural Products, Institute of Plant Biology, Fudan University, Shanghai 200433, China
| | - Wei Wang
- Research Center of Natural Products, Institute of Plant Biology, Fudan University, Shanghai 200433, China
| | - Xiao-Mei Xie
- School of Traditional Chinese Pharmacy, Anhui University of Chinese Medicine, Hefei 230038, China
| | - Min-Jian Qin
- Department of Resources Science of Traditional Chinese Medicines & Key Laboratory of Modern Chinese Medicines (Ministry of Education), China Pharmaceutical University, Nanjing 210009, China
| | - Ben-Ke Kuai
- Research Center of Natural Products, Institute of Plant Biology, Fudan University, Shanghai 200433, China
| | - Tong-Shui Zhou
- Research Center of Natural Products, Institute of Plant Biology, Fudan University, Shanghai 200433, China.
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48
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Shi MZ, Xie DY. Biosynthesis and metabolic engineering of anthocyanins in Arabidopsis thaliana. Recent Pat Biotechnol 2014; 8:47-60. [PMID: 24354533 PMCID: PMC4036305 DOI: 10.2174/1872208307666131218123538] [Citation(s) in RCA: 150] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2012] [Revised: 10/24/2012] [Accepted: 11/06/2012] [Indexed: 11/22/2022]
Abstract
Arabidopsis thaliana is the first model plant, the genome of which has been sequenced. In general, intensive studies on this model plant over the past nearly 30 years have led to many new revolutionary understandings in every single aspect of plant biology. Here, we review the current understanding of anthocyanin biosynthesis in this model plant. Although the investigation of anthocyanin structures in this model plant was not performed until 2002, numerous studies over the past three decades have been conducted to understand the biosynthesis of anthocyanins. To date, it appears that all pathway genes of anthocyanins have been molecularly, genetically and biochemically characterized in this plant. These fundamental accomplishments have made Arabidopsis an ideal model to understand the regulatory mechanisms of anthocyanin pathway. Several studies have revealed that the biosynthesis of anthocyanins is controlled by WD40-bHLH-MYB (WBM) transcription factor complexes under lighting conditions. However, how different regulatory complexes coordinately and specifically regulate the pathway genes of anthocyanins remains unclear. In this review, we discuss current progresses and findings including structural diversity, regulatory properties and metabolic engineering of anthocyanins in Arabidopsis thaliana.
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Affiliation(s)
| | - De-Yu Xie
- Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC 27695, USA.
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49
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Zhang Y, Yan YP, Wu YC, Hua WP, Chen C, Ge Q, Wang ZZ. Pathway engineering for phenolic acid accumulations in Salvia miltiorrhiza by combinational genetic manipulation. Metab Eng 2013; 21:71-80. [PMID: 24269612 DOI: 10.1016/j.ymben.2013.10.009] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2013] [Revised: 10/18/2013] [Accepted: 10/24/2013] [Indexed: 01/05/2023]
Abstract
To produce beneficial phenolic acids for medical and commercial purposes, researchers are interested in improving the normally low levels of salvianolic acid B (Sal B) produced by Salvia miltiorrhiza. Here, we present a strategy of combinational genetic manipulation to enrich the precursors available for Sal B biosynthesis. This approach, involving the lignin pathway, requires simultaneous, ectopic expression of an Arabidopsis Production of Anthocyanin Pigment 1 transcription factor (AtPAP1) plus co-suppression of two endogenous, key enzyme genes: cinnamoyl-CoA reductase (SmCCR) and caffeic acid O-methyltransferase (SmCOMT). Compared with the untransformed control, we achieved a greater accumulation of Sal B (up to 3-fold higher) along with a reduced lignin concentration. This high-Sal B phenotype was stable in roots during vegetative growth and was closely correlated with increased antioxidant capacity for the corresponding plant extracts. Although no outward change in phenotype was apparent, we characterized the molecular phenotype through integrated analysis of transcriptome and metabolome profiling. Our results demonstrated the far-reaching consequences of phenolic pathway perturbations on carbohydrate metabolism, respiration, photo-respiration, and stress responses. This report is the first to describe the production of valuable end products through combinational genetic manipulation in S. miltiorrhiza plants. Our strategy will be effective in efforts to metabolically engineer multi-branch pathway(s), such as the phenylpropanoid pathway, in economically significant medicinal plants.
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Affiliation(s)
- Yuan Zhang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Ya-Ping Yan
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Yu-Cui Wu
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Wen-Ping Hua
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Chen Chen
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Qian Ge
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China
| | - Zhe-Zhi Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University, Xi'an, China.
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50
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Characteristics of foliar fungal endophyte assemblages and host effective components in Salvia miltiorrhiza Bunge. Appl Microbiol Biotechnol 2013; 98:3143-55. [DOI: 10.1007/s00253-013-5300-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Revised: 09/24/2013] [Accepted: 09/27/2013] [Indexed: 01/02/2023]
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