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Liu Z, Liu R, Zou L. Development of a Transformation System for the Medicinal Fungus Sanghuangporus baumii and Acquisition of High-Value Strain. MYCOBIOLOGY 2023; 51:169-177. [PMID: 37359953 PMCID: PMC10288903 DOI: 10.1080/12298093.2023.2220164] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 05/14/2023] [Accepted: 05/28/2023] [Indexed: 06/28/2023]
Abstract
To further explore the molecular mechanism of triterpenoid biosynthesis and acquire high-value strain of Sanghuangporus baumii, the Agrobacterium tumefaciens-mediated transformation (ATMT) system was studied. The key triterpenoid biosynthesis-associated gene isopentenyl diphosphate isomerase (IDI) was transformed into S. baumii by ATMT system. Then, the qRT-PCR technique was used to analyze gene transcript level, and the widely targeted metabolomics was used to investigate individual triterpenoid content. Total triterpenoid content and anti-oxidant activity were determined by spectrophotometer. In this study, we for the first time established an efficient ATMT system and transferred the IDI gene into S. baumii. Relative to the wild-type (WT) strain, the IDI-transformant (IT) strain showed significantly higher transcript levels of IDI and total triterpenoid content. We then investigated individual triterpenoids in S. baumii, which led to the identification of 10 distinct triterpenoids. The contents of individual triterpenoids produced by the IT2 strain were 1.76-10.03 times higher than those produced by the WT strain. The triterpenoid production showed a significant positive correlation with the IDI gene expression. Besides, IT2 strain showed better anti-oxidant activity. The findings provide valuable information about the biosynthetic pathway of triterpenoids and provide a strategy for cultivating high-value S. baumii strains.
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Affiliation(s)
- Zengcai Liu
- College of Forestry, Northeast Forestry University, Harbin, China
| | - Ruipeng Liu
- College of Forestry, Northeast Forestry University, Harbin, China
| | - Li Zou
- College of Forestry, Northeast Forestry University, Harbin, China
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Understanding the Seasonal Effect of Metabolite Production in Terminalia catappa L. Leaves through a Concatenated MS- and NMR-Based Metabolomics Approach. Metabolites 2023; 13:metabo13030349. [PMID: 36984789 PMCID: PMC10053923 DOI: 10.3390/metabo13030349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/17/2023] [Accepted: 02/23/2023] [Indexed: 03/03/2023] Open
Abstract
Terminalia catappa L. (Combretaceae) is a medicinal plant that is part of the Brazilian biodiversity; this plant is popularly used for the treatment of a wide range of diseases. To better understand the chemical composition of T. catappa in different seasons, we conducted a thorough study using LC-MS and NMR data analysis techniques. The study helped obtain a chemical profile of the plant ethanolic extracts in different seasons of the year (spring, summer, autumn, and winter). The dereplication of LC-HRMS data allowed the annotation of 90 compounds in the extracts of T. catappa (hydrolyzable tannins, ellagic acid derivatives, and glycosylated flavonoids). Triterpenes and C-glycosyl flavones were the compounds that significantly contributed to differences observed between T. catappa plant samples harvested in autumn/winter and spring, respectively. The variations observed in the compound composition of the plant leaves may be related to processes induced by environmental stress and leaf development. Data fusion applied in the metabolomic profiling study allowed us to identify metabolites with greater confidence, and provided a better understanding regarding the production of specialized metabolites in T. catappa leaves under different environmental conditions, which may be useful to establish appropriate quality criteria for the standardization of this medicinal plant.
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Comparative Transcriptome Analysis Provides Insights into the Molecular Mechanism Underlying the Effect of MeJA Treatment on the Biosynthesis of Saikosaponins in Bupleurum chinense DC. Life (Basel) 2023; 13:life13020563. [PMID: 36836920 PMCID: PMC9960380 DOI: 10.3390/life13020563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/14/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023] Open
Abstract
Bupleurum chinense DC. is a well-known traditional Chinese medicinal plant that produces saikosaponins (SSs), which possess hepatoprotective, antipyretic, and anti-inflammatory activities. Methyl jasmonate (MeJA) is a signalling phytohormone that can increase the accumulation of SSs in the root of Bupleurum plants. However, the molecular understanding of MeJA-mediated SS biosynthesis is not clear. Therefore, it is necessary to explore the molecular mechanism underlying the response of B. chinense DC. to MeJA in roots. In this study, we performed comparative transcriptome analysis of B. chinense DC. roots with different MeJA treatment times. In total, 104,057 unigenes were identified, of which 4053 were differentially expressed genes (DEGs). Most of the DEGs were downregulated after MeJA treatment, and GO enrichment analysis showed that they were mainly related to biological processes involved in stress responses and development. A total of 88 DEGs encoding enzymes known to be involved in the SS synthesis pathway were found, and most were significantly downregulated within 24 h. Based on the DEGs, 99 transcription factors (TFs) belonging to the AP2/ERF, WRKY, bZIP, ZFP, and bHLH families with different expression patterns were also identified. Further integrated analysis indicated that 20 DEGs involved in the SS synthesis pathway and 12 DEGs encoding TFs presented strong correlations with the SS contents, and these DEGs may be critical for the biosynthesis and regulation of SSs. These findings will be critical for further study of the response of B. chinense DC. to MeJA for SS biosynthesis.
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Sułkowska-Ziaja K, Galanty A, Szewczyk A, Paśko P, Kała K, Apola A, Podolak I, Muszyńska B. Effect of Methyl Jasmonate Elicitation on Triterpene Production and Evaluation of Cytotoxic Activity of Mycelial Culture Extracts of Ganoderma applanatum (Pers.) Pat. PLANTS (BASEL, SWITZERLAND) 2023; 12:294. [PMID: 36679006 PMCID: PMC9867392 DOI: 10.3390/plants12020294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 12/28/2022] [Accepted: 01/06/2023] [Indexed: 06/17/2023]
Abstract
Abiotic elicitation, a well-known strategy in mushroom biotechnology, promotes increased accumulation of secondary metabolites in mycelial cultures. The study aimed the effects of methyl jasmonate (MeJA) on the production of triterpenes in submerged cultures of Ganoderma applanatum. Further, the study evaluated the cytotoxic activity of the extract corresponding to the optimal elicitation variant in selected human cancer cell lines as well as the selectivity against normal cells. MeJA was added on days 1, 4, 6, and 8 in the 10-day growth cycle at concentrations of 10, 50, 100, 150, and 200 µM MeJA. The HPLC-DAD was used to analyze the triterpenes. The cytotoxic activity was tested using the MTTFc assay in grouped panels of skin, prostate, and gastrointestinal cancer cells. The results of the quantitative analyses confirmed the stimulating effect of MeJA on the production of ganoderic acid A and ganoderic acid C. The greatest increase in total triterpenes was found on day 6 of the culture cycle compared to the control group-with the concentration of MeJA-150 µM. Compared to the control samples, mycelial culture extract after the most productive elicitation variant showed significant cytotoxic activity against prostate cancer cells and moderate effects on melanoma cells. Ganoderma applanatum mycelial cultures can be proposed as a model to study the dynamics of the accumulation of compounds with therapeutic values through abiotic elicitation.
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Affiliation(s)
- Katarzyna Sułkowska-Ziaja
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Agnieszka Galanty
- Department of Pharmacognosy, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Agnieszka Szewczyk
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Paweł Paśko
- Department of Food Chemistry and Nutrition, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Katarzyna Kała
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Anna Apola
- Department of Inorganic and Analytical Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Irma Podolak
- Department of Pharmacognosy, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
| | - Bożena Muszyńska
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Kraków, Poland
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Expression analysis of squalene synthase gene in mevalonate pathway of Sanghuangporus baumii. BIOTECHNOL BIOTEC EQ 2022. [DOI: 10.1080/13102818.2022.2060759] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Huo Y, Liu D, Yang Q, Sun C, Wang Z, Li D. Transcriptional Responses for Biosynthesis of Triterpenoids in Exogenous Inducers Treated Inonotus Hispidus Using RNA-Seq. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238541. [PMID: 36500635 PMCID: PMC9739630 DOI: 10.3390/molecules27238541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/22/2022] [Accepted: 11/30/2022] [Indexed: 12/12/2022]
Abstract
Inonotus hispidus is a traditional medicinal that grows in Northeast China and produces various economically important compounds, including polysaccharide compounds and terpenoids; triterpenoid saponins is the main bioactive component. Our research group has found that the accumulation of triterpenoid was affected by exogenous inducers. Experimental results showed that treatment with methyl jasmonate (MeJA) and oleic acid significantly increased the triterpenoid content of I. hispidus. However, how exogenous inducers enhance production of secondary metabolites in I. hispidus is not well understood. In this study, metabolite changes were further investigated with UPLC-TOF/MS following exogenous inducer treatment. As a result, a total of eight types of triterpenoids in I. hispidus were identified. The RNA-seq analysis was used to evaluate the effects of exogenous inducers on the expression of triterpenoid-synthesis-related genes in I. hispidus in liquid fermentation. This study is the first exploration to profile the transcriptome of I. hispidus after adding exogenous inducers; the generated data and gene will facilitate further molecular studies on the physiology and metabolism in this fungi. By comparative transcriptomic analysis, a series of candidate genes involved in the biosynthetic pathway of triterpenoids are identified, providing new insights into their biosynthesis at the transcriptome level.
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Affiliation(s)
- Yonghong Huo
- School of Forestry, Northeast Forestry University, Harbin 150040, China
| | - Dongchao Liu
- School of Forestry, Northeast Forestry University, Harbin 150040, China
| | - Qin Yang
- School of Forestry, Northeast Forestry University, Harbin 150040, China
| | - Changyan Sun
- Department of Environmental Engineering, School of Materials Science and Chemical Engineering, Harbin University of Science and Technology, Harbin 150040, China
| | - Zhanbin Wang
- School of Forestry, Northeast Forestry University, Harbin 150040, China
| | - Dehai Li
- School of Forestry, Northeast Forestry University, Harbin 150040, China
- Correspondence: ; Tel.: +86-186-4500-5091 or +86-451-8219-0514
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Functional Analysis of Sterol O-Acyltransferase Involved in the Biosynthetic Pathway of Pachymic Acid in Wolfiporia cocos. MOLECULES (BASEL, SWITZERLAND) 2021; 27:molecules27010143. [PMID: 35011377 PMCID: PMC8746942 DOI: 10.3390/molecules27010143] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/18/2021] [Accepted: 12/24/2021] [Indexed: 11/19/2022]
Abstract
Pachymic acid from Wolfiporia cocos possesses important medicinal values including anti-bacterial, anti-inflammatory, anti-viral, invigorating, anti-rejection, anti-tumor, and antioxidant activities. However, little is known about the biosynthetic pathway from lanostane to pachymic acid. In particular, the associated genes in the biosynthetic pathway have not been characterized, which limits the high-efficiency obtaining and application of pachymic acid. To characterize the synthetic pathway and genes involved in pachymic acid synthesis, in this study, we identified 11 triterpenoids in W. cocos using liquid chromatography tandem mass spectrometry (LC-MS/MS), and inferred the putative biosynthetic pathway from lanostane to pachymic acid based on analyzing the chemical structure of triterpenoids and the transcriptome data. In addition, we identified a key gene in the biosynthetic pathway encoding W. cocos sterol O-acyltransferase (WcSOAT), which catalyzes tumolusic acid to pachymic acid. The results show that silence of WcSOAT gene in W. cocos strain led to reduction of pachymic acid production, whereas overexpression of this gene increased pachymic acid production, indicating that WcSOAT is involved in pachymic acid synthesis in W. cocos and the biosynthesis of W. cocos pachymic acid is closely dependent on the expression of WcSOAT gene. In summary, the biosynthetic pathway of pachymic acid and the associated genes complement our knowledge on the biosynthesis of W. cocos pachymic acid and other triterpenoids, and also provides a reference for target genes modification for exploring high-efficiency obtaining of active components.
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Wang S, Liu Z, Wang X, Sun T, Zou L. Cloning and characterization of a phosphomevalonate kinase gene from Sanghuangporus baumii. BIOTECHNOL BIOTEC EQ 2021. [DOI: 10.1080/13102818.2021.1938678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Shixin Wang
- Department of Forest Conservation, College of Forestry, Northeast Forestry University, Harbin, Heilongjiang, PR China
| | - Zengcai Liu
- Department of Forest Conservation, College of Forestry, Northeast Forestry University, Harbin, Heilongjiang, PR China
| | - Xutong Wang
- Department of Forest Conservation, College of Forestry, Northeast Forestry University, Harbin, Heilongjiang, PR China
| | - Tingting Sun
- Department of Food Engineering, College of Food Science, Harbin University, Harbin, Heilongjiang, PR China
| | - Li Zou
- Department of Forest Conservation, College of Forestry, Northeast Forestry University, Harbin, Heilongjiang, PR China
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Liu Z, Wang S, Xu X, Wang S, Sun T, Zou L. Molecular cloning and characterization of a gene encoding HMG-CoA reductase involved in triterpenoids biosynthetic pathway from Sanghuangporus baumii. BIOTECHNOL BIOTEC EQ 2021. [DOI: 10.1080/13102818.2021.1929482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Zengcai Liu
- Department of Forest Protection, College of Forestry, Northeast Forestry University, Harbin, Heilongjiang, PR China
| | - Shixin Wang
- Department of Forest Protection, College of Forestry, Northeast Forestry University, Harbin, Heilongjiang, PR China
| | - Xinru Xu
- Department of Biological Sciences, College of Life Science, Northeast Forestry University, Harbin, Heilongjiang, PR China
| | - Shuting Wang
- Department of Forest Protection, College of Forestry, Northeast Forestry University, Harbin, Heilongjiang, PR China
| | - Tingting Sun
- Department of Food Science and Engineering, College of Food Engineering, Harbin University, Harbin, Heilongjiang, PR China
| | - Li Zou
- Department of Forest Protection, College of Forestry, Northeast Forestry University, Harbin, Heilongjiang, PR China
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Liu Z, Sun T, Wang S, Zou L. Cloning, molecular properties and differential expression analysis of the isopentenyl diphosphate isomerase gene in Sanghuangporus baumii. BIOTECHNOL BIOTEC EQ 2020. [DOI: 10.1080/13102818.2020.1792342] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- Zengcai Liu
- Department of Forest Protection, College of Forestry, Northeast Forestry University, Harbin, PR China
| | - Tingting Sun
- Department of Food Science and Engineering, College of Food Engineering, Harbin University, Harbin, PR China
| | - Shixin Wang
- Department of Forest Protection, College of Forestry, Northeast Forestry University, Harbin, PR China
| | - Li Zou
- Department of Forest Protection, College of Forestry, Northeast Forestry University, Harbin, PR China
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Wang X, Sun T, Sun J, Wang S, Ma Y, Liu Z, Zhang J, Zhang G, Zou L. Molecular Cloning, Characterisation, and Heterologous Expression of Farnesyl Diphosphate Synthase from Sanghuangporus baumii. Mol Biotechnol 2020; 62:132-141. [PMID: 31897972 DOI: 10.1007/s12033-019-00231-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A farnesyl diphosphate synthase (FPS) cDNA and promoter region was cloned from Sanghuangporus baumii. The gene contains a 150-bp 5'-untranslated region (UTR), a 154-bp 3'-UTR, and a 1062-bp open reading frame (ORF) encoding a 354 amino acid polypeptide. The FPS-DNA includes three exons (nucleotides 1 -123, 184-321, and 505-1305) and two introns (nucleotides 124-183 and 322-504). The FPS protein has a molecular weight of 40.73 kDa, it is hydrophilic with a theoretical isoelectric point of 5.13, and the secondary and three-dimensional structure were analysed. There is a transcription start site at nucleotides 1318-1368 of the promoter, which includes typical eukaryotic promoter elements (TATA Box, CAAT Box, ARBE, AT-rich element, G-box, MBS, Sp1, LTR). FPS was expressed in Escherichia coli BL21, and the recombinant protein (63.41 kDa) was subjected to dodecyl sulphate, sodium salt-polyacrylamide gel electrophoresis (SDS-PAGE). FPS transcription was measured during different developmental stages, and expression in 11 and 13 days mycelia was upregulated 49.3-fold and 125.4-fold, respectively, compared with 9 days mycelia controls. Through analysing, S. baumii triterpenoid content was correlated with the transcription level of FPS during different development stages, and the triterpenoid content peaked at day 15 (7.21 mg/g).
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Affiliation(s)
- Xutong Wang
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Tingting Sun
- Department of Food Engineering, Harbin University, Zhongxing Road 109, Nangang District, Harbin, 150086, Heilongjiang, China
| | - Jian Sun
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Shixin Wang
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Yisha Ma
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Zengcai Liu
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Jian Zhang
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Guoquan Zhang
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Li Zou
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China.
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Wang X, Wang S, Xu X, Sun J, Ma Y, Liu Z, Sun T, Zou L. Molecular cloning, characterization, and heterologous expression of an acetyl-CoA acetyl transferase gene from Sanghuangporus baumii. Protein Expr Purif 2020; 170:105592. [PMID: 32032770 DOI: 10.1016/j.pep.2020.105592] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 02/03/2020] [Indexed: 10/25/2022]
Abstract
Acetyl-CoA C-acetyltransferase synthase gene (AACT) cDNA, DNA and promoter were cloned from Sanghuangporus baumii. The gene ORF (1260 bp) encoded 419 amino acids. The AACT DNA includes five exons (1-84 bp, 140-513 bp, 570-1027 bp, 1090-1282 bp, 1344-1494 bp) and four introns (85-139 bp, 514-569 bp, 1028-1089 bp, 1283-1343 bp). The molecular weight of AACT protein is 43.40 kDa, it is hydrophilic with a theoretical isoelectric point of 8.96. Furthermore, The region of the transcription start site is 1997-2047 bp of AACT promoter, and it contained promoter elements (TATA Boxs, CAAT Boxs, CAAT-box, ABRE, G-Boxs, Sp1, MSA-like, LTR). AACT recombinant protein (43.40 KDa + Tag protein 22.68 KDa) was subjected in SDS-PAGE. AACT the transcription levels of in different development stages were investigated. The expression of AACT in primordia (2.4-fold) and 15 d mycelia (2.3- fold) were significantly higher than 9 d mycelia (contral). The expression level of the AACT downstream genes and triterpenoids content were determined at different developmental stages. Triterpenoid content reached its peak on day 15(7.21 mg/g).
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Affiliation(s)
- Xutong Wang
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Shixin Wang
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Xinru Xu
- College of Life Science, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Jian Sun
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Yisha Ma
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Zengcai Liu
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China
| | - Tingting Sun
- Department of Food Engineering, Harbin University, Zhongxing Road 109, Nangang District, Harbin, 150086, Heilongjiang, China
| | - Li Zou
- College of Forestry, Northeast Forestry University, Hexing Road 26, Xiangfang District, Harbin, 150040, Heilongjiang, China.
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