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Cui Q, Liu Q, Fan Y, Wang C, Li Y, Li S, Zhang J, Rao G. Functional differentiation of olive PLP_deC genes: insights into metabolite biosynthesis and genetic improvement at the whole-genome level. PLANT CELL REPORTS 2024; 43:127. [PMID: 38652203 DOI: 10.1007/s00299-024-03212-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 04/01/2024] [Indexed: 04/25/2024]
Abstract
KEY MESSAGE This study identified 16 pyridoxal phosphate-dependent decarboxylases in olive at the whole-genome level, conducted analyses on their physicochemical properties, evolutionary relationships and characterized their activity. Group II pyridoxal phosphate-dependent decarboxylases (PLP_deC II) mediate the biosynthesis of characteristic olive metabolites, such as oleuropein and hydroxytyrosol. However, there have been no report on the functional differentiation of this gene family at the whole-genome level. This study conducted an exploration of the family members of PLP_deC II at the whole-genome level, identified 16 PLP_deC II genes, and analyzed their gene structure, physicochemical properties, cis-acting elements, phylogenetic evolution, and gene expression patterns. Prokaryotic expression and enzyme activity assays revealed that OeAAD2 and OeAAD4 could catalyze the decarboxylation reaction of tyrosine and dopa, resulting in the formation of their respective amine compounds, but it did not catalyze phenylalanine and tryptophan. Which is an important step in the synthetic pathway of hydroxytyrosol and oleuropein. This finding established the foundational data at the molecular level for studying the functional aspects of the olive PLP_deC II gene family and provided essential gene information for genetic improvement of olive.
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Affiliation(s)
- Qizhen Cui
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
- Collaborative Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, 210037, China
- Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Qingqing Liu
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
- Collaborative Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, 210037, China
- Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Yutong Fan
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
- Collaborative Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, 210037, China
- Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Chenhe Wang
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
- Collaborative Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, 210037, China
- Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Yufei Li
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
- Collaborative Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, 210037, China
- Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Shuyuan Li
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
- Collaborative Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, 210037, China
- Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Jianguo Zhang
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
- Collaborative Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, 210037, China
- Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Guodong Rao
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China.
- Collaborative Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, 210037, China.
- Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China.
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Rattan S, Kumar P, Kaur E, Sood A, Acharya V, Warghat AR. Comparative transcriptome and tissue-specific expression analysis of genes reveal tissue-cultured plants as an alternative source for phenylethanoids and phenylpropanoids in Rhodiola imbricata (Edgew.). Gene X 2022; 836:146672. [PMID: 35714804 DOI: 10.1016/j.gene.2022.146672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 05/30/2022] [Accepted: 06/10/2022] [Indexed: 11/29/2022] Open
Abstract
Rhodiola imbricata (Crassulaceae) is a traditional trans-Himalayan endangered medicinal herb with immense therapeutic applications. Over the years, over-exploitation, un-managed harvesting, and lack of captive cultivation procedures persuaded threat to its wild habitat. Plant tissue culture and RNA-Seq-based molecular bioprospection of key regulatory genes aid the understanding of molecular dynamics involved in specialized metabolites (phenylethanoids and phenylpropanoids) biosynthesis and its sustainable production. Hence, comparative transcriptomic analysis was performed using leaf and root tissues from the wild and tissue-cultured plants, revealing tissue-specific production of salidroside and rosavin. The transcriptome profiling resulted in 345 million high-quality reads yielding 92,380 unique transcripts with an N50 of 1260 bp. Tissue-specific gene expression analysis revealed that both phenylethanoids and phenylpropanoids biosynthesis are predominantly associated with the shikimate pathway. In addition to RNA-Seq data, the downstream biosynthesis pathways genes viz., phospho-2-dehydro-3-deoxyheptonate aldolase (DAHPS), 3-dehydroquinate synthase (DHQS), shikimate kinase (SK), chorismate mutase (CM), arogenate dehydrogenase (TYRAAT), aromatic-L-amino-acid decarboxylase (TDC), phenylalanine ammonia-lyase (PAL), 4-coumarate-CoA ligase (4-CL), cinnamoyl-CoA reductase (CCR), and cinnamyl alcohol dehydrogenase (CAD) showed higher expression pattern in wild plant tissues compared to tissue-cultured plants. The transcript fold expression determined by RT-qPCR results followed similar patterns as those observed in RNA-seq and targeted metabolite profiling data. Salidroside and rosavin content in wild plants exhibited 2.40 fold and 1.77 fold increase accumulation compared to the tissue-cultured plant. The present investigation explained the tissue and condition-specific significant differences between the expression of proposed biosynthetic pathway genes and salidroside and rosavin content. Additionally, NAC, bHLH, and ARF were the most abundant transcription factor families found in the transcriptomic analysis of R. imbricata. The generated transcriptome dataset provides a valuable gene(s)/transcription factors hub that can be used for the sustainable production of salidroside and rosavin in R. imbricata under tissue culture conditions.
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Affiliation(s)
- Shiv Rattan
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, Himachal Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Pankaj Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, Himachal Pradesh, India
| | - Ekjot Kaur
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, Himachal Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Archit Sood
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, Himachal Pradesh, India
| | - Vishal Acharya
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, Himachal Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ashish R Warghat
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, Himachal Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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Li Y, Wang Y, Huang L, Chen C, An N, Zheng X. Identification and Functional Characterization of Tyrosine Decarboxylase from Rehmannia glutinosa. Molecules 2022; 27:1634. [PMID: 35268735 PMCID: PMC8912026 DOI: 10.3390/molecules27051634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 02/25/2022] [Accepted: 02/26/2022] [Indexed: 11/17/2022] Open
Abstract
Rehmannia glutinosa is an important medicinal plant that has long been used in Chinese traditional medicine. Acteoside, one of the bioactive components from R. glutinosa, possessed various pharmacological activities for human health; however, the molecular mechanism of acteoside formation is not fully understood. In the current study, a novel tyrosine decarboxylase (designated as RgTyDC2) was identified from the R. glutinosa transcriptome. Biochemical analysis of RgTyDC2 showed RgTyDC2 uses tyrosine and dopa as the substrate to produce tyramine and dopamine, respectively, and it displays higher catalytic efficiency toward tyrosine than dopa. Moreover, the transcript level of RgTyDC2 was consistent with the accumulation pattern of acteoside in R. glutinosa, supporting its possible role in the biosynthesis of acteoside in vivo.
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Affiliation(s)
- Yuanjun Li
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (Y.L.); (Y.W.); (N.A.)
| | - Yanan Wang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (Y.L.); (Y.W.); (N.A.)
| | - Longyu Huang
- Institute of Cotton Research, Chinese Academy of Agricultural Sciences (CAAS), Anyang 455000, China;
| | - Chunrong Chen
- School of Life Science, Henan University, Kaifeng 475004, China;
| | - Na An
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (Y.L.); (Y.W.); (N.A.)
| | - Xiaoke Zheng
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (Y.L.); (Y.W.); (N.A.)
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Yang YH, Yang MR, Zhu JY, Dong KW, Yi YJ, Li RF, Zeng L, Zhang CF. Functional characterization of tyrosine decarboxylase genes that contribute to acteoside biosynthesis in Rehmannia glutinosa. PLANTA 2022; 255:64. [PMID: 35147783 DOI: 10.1007/s00425-022-03849-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
The RgTyDCs possess typical decarboxylase functional activity in vitro and in vivo and participate in acteoside biosynthesis in R. glutinosa, positively controlling its production via activated acteoside/tyrosine-derived pathways. Acteoside is an important ingredient in Rehmannia glutinosa and an active natural component that contributes to human health. Tyrosine decarboxylase (TyDC) is thought to play an important role in acteoside biosynthesis. Several plant TyDC family genes have been functionally characterized and shown to play roles in some bioactive metabolites' biosynthesis by mediating the decarboxylation of L-tyrosine and L-dihydroxyphenylalanine (L-DOPA); however, one TyDC (named RgTyDC1) in R. glutinosa has been identified to date, but the family genes that contribute to acteoside biosynthesis remain largely characterized. Here, by in silico and experimental analyses, we isolated and identified three RgTyDCs (RgTyDC2 to RgTyDC4) in this species; these genes' sequences showed 50.92-82.55% identity, included highly conserved domains with homologues in other plants, classified into two subsets, and encoded proteins that localized to the cytosol. Enzyme kinetic analyses of RgTyDC2 and RgTyDC4 indicated that they both efficiently catalysed L-tyrosine and L-dopa. The overexpression of RgTyDC2 and RgTyDC4 in R. glutinosa, which was associated with enhanced TyDC activity, significantly increased tyramine and dopamine contents, which was positively correlated with improved acteoside production; moreover, the overexpression of RgTyDCs led to upregulated expression of some other genes-related to acteoside biosynthesis. This result suggested that the overexpression of RgTyDCs can positively activate the molecular networks of acteoside pathways, enhancing the accumulation of tyramine and dopamine, and promoting end-product acteoside biosynthesis. Our findings provide an evidence that RgTyDCs play vital molecular roles in acteoside biosynthesis pathways, contributing to the increase in acteoside yield in R. glutinosa.
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Affiliation(s)
- Yan Hui Yang
- College of Bioengineering, Henan University of Technology, Lianhua Street 100, High-Technology Zone, Zhengzhou, 450001, Henan, China.
| | - Mu Rong Yang
- College of Bioengineering, Henan University of Technology, Lianhua Street 100, High-Technology Zone, Zhengzhou, 450001, Henan, China
| | - Jian Yu Zhu
- College of Bioengineering, Henan University of Technology, Lianhua Street 100, High-Technology Zone, Zhengzhou, 450001, Henan, China
| | - Ke Wei Dong
- College of Bioengineering, Henan University of Technology, Lianhua Street 100, High-Technology Zone, Zhengzhou, 450001, Henan, China
| | - Yan Jie Yi
- College of Bioengineering, Henan University of Technology, Lianhua Street 100, High-Technology Zone, Zhengzhou, 450001, Henan, China
| | - Rui Fang Li
- College of Bioengineering, Henan University of Technology, Lianhua Street 100, High-Technology Zone, Zhengzhou, 450001, Henan, China
| | - Lei Zeng
- College of Bioengineering, Henan University of Technology, Lianhua Street 100, High-Technology Zone, Zhengzhou, 450001, Henan, China
| | - Chang Fu Zhang
- College of Bioengineering, Henan University of Technology, Lianhua Street 100, High-Technology Zone, Zhengzhou, 450001, Henan, China
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Kim YC, Lee J, Park JH, Mah JH, Kim SY, Kim YW. Development of a colorimetric enzymatic assay method for aromatic biogenic monoamine-producing decarboxylases. Food Sci Biotechnol 2021; 30:971-977. [PMID: 34395028 PMCID: PMC8302707 DOI: 10.1007/s10068-021-00938-4] [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: 04/15/2021] [Revised: 06/16/2021] [Accepted: 06/21/2021] [Indexed: 10/20/2022] Open
Abstract
Biogenic amines (BAs) produced by the action of bacterial amino acid decarboxylases in fermented foods cause various health problems in human. Despite the importance, detailed characterizations of the BA-producing decarboxylases are relatively less progressed than the studies on BA-producing bacteria, due to the time-consuming chromatography-based assay method. In this study, a simple and general colorimetric assay for aromatic amino acid decarboxylases coupled with an amine oxidase from Arthrobacter aurescens (AMAO) and horseradish peroxidase was developed using a tyrosine decarboxylase from Enterococcus faecium DSM20477 (EfmTDC) as a model enzyme. The activity profiles over pH and temperature and the kinetic analysis for EfmTDC revealed that the results by the colorimetric assay are compatible with those by the chromatographic assay. In addition, due to the broad substrate specificity of AMAO for histamine and 2-phenylethylamine, the colorimetric assay would be applicable to the characterization of other aromatic amino acid decarboxylases including histidine decarboxylases. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s10068-021-00938-4.
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Affiliation(s)
- Young-Chang Kim
- Department of Food and Biotechnology, Korea University, Sejong, 30019 South Korea
| | - Jaeick Lee
- Department of Food and Biotechnology, Korea University, Sejong, 30019 South Korea
| | - Jin-Hong Park
- Department of Food and Biotechnology, Korea University, Sejong, 30019 South Korea
| | - Jae-Hyung Mah
- Department of Food and Biotechnology, Korea University, Sejong, 30019 South Korea
| | - So-Young Kim
- Fermented Processing Food Science Division, Rural Development Administration, Wanju, 55365 South Korea
| | - Young-Wan Kim
- Department of Food and Biotechnology, Korea University, Sejong, 30019 South Korea
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Fan F, Yang L, Li R, Zou X, Li N, Meng X, Zhang Y, Wang X. Salidroside as a potential neuroprotective agent for ischemic stroke: a review of sources, pharmacokinetics, mechanism and safety. Biomed Pharmacother 2020; 129:110458. [PMID: 32603893 DOI: 10.1016/j.biopha.2020.110458] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/17/2020] [Accepted: 06/23/2020] [Indexed: 02/06/2023] Open
Abstract
Salidroside (Sal) is a bioactive extract principally from traditional herbal medicine such as Rhodiola rosea L., which has been commonly used for hundreds of years in Asia countries. The excellent neuroprotective capacity of Sal has been illuminated in recent studies. This work focused on the source, pharmacokinetics, safety and anti-ischemic stroke (IS) effect of Sal, especially emphasizing its mechanism of action and BBB permeability. Extensive databases, including Pubmed, Web of science (WOS), Google Scholar and China National Knowledge Infrastructure (CNKI), were applied to obtain relevant online literatures. Sal exerts powerful therapeutic effects on IS in experimental models either in vitro or in vivo due to its neuroprotection, with significantly diminishing infarct size, preventing cerebral edema and improving neurological function. Also, the findings suggest the underlying mechanisms involve anti-oxidation, anti-inflammation and anti-apoptosis by regulating multiple signaling pathways and key molecules, such as NF-κB, TNF-α and PI3K/Akt pathway. In pharmacokinetics, although showing a rapid absorption and elimination, bioavailability of Sal is elevated under some non-physiological conditions. The component and its metabolite (tyrosol) are capable of distributing to brain tissue and the later keeps a higher level of concentration. Moreover, Sal scarcely has obvious toxicity or side effects in a variety of animal experiments and clinical trials, but combination of drugs and perinatal use of medicine should be taken more attentions. Finally, as an active ingredient, not only is Sal isolated from diverse plants with limited yield, but also large batches of the products can be harvested by biological and chemical synthesis. With higher efficacy and better safety profiles, Sal could sever as a promising neuroprotectant for preventing and treating IS. Nevertheless, further investigations are still required to explore the pharmacodynamic and pharmacokinetic properties of Sal in the treatment of IS.
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Affiliation(s)
- Fangfang Fan
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Lu Yang
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Rui Li
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xuemei Zou
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Ning Li
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xianli Meng
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Yi Zhang
- Ethnic Medicine Academic Heritage Innovation Research Center, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Xiaobo Wang
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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Farnesol and Tyrosol: Secondary Metabolites with a Crucial quorum-sensing Role in Candida Biofilm Development. Genes (Basel) 2020; 11:genes11040444. [PMID: 32325685 PMCID: PMC7231263 DOI: 10.3390/genes11040444] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/15/2020] [Accepted: 04/16/2020] [Indexed: 02/08/2023] Open
Abstract
When living in biological and interactive communities, microorganisms use quorum-sensing mechanisms for their communication. According to cell density, bacteria and fungi can produce signaling molecules (e.g., secondary metabolites), which participate, for example, in the regulation of gene expression and coordination of collective behavior in their natural niche. The existence of these secondary metabolites plays a main role in competence, colonization of host tissues and surfaces, morphogenesis, and biofilm development. Therefore, for the design of new antibacterials or antifungals and understanding on how these mechanisms occur, to inhibit the secretion of quorum-sensing (e.g., farnesol and tyrosol) molecules leading the progress of microbial infections seems to be an interesting option. In yeasts, farnesol has a main role in the morphological transition, inhibiting hyphae production in a concentration-dependent manner, while tyrosol has a contrary function, stimulating transition from spherical cells to germ tube form. It is beyond doubt that secretion of both molecules by fungi has not been fully described, but specific meaning for their existence has been found. This brief review summarizes the important function of these two compounds as signaling chemicals participating mainly in Candida morphogenesis and regulatory mechanisms.
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Xie H, Shen CY, Jiang JG. The sources of salidroside and its targeting for multiple chronic diseases. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103648] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
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Gabotti D, Locatelli F, Cusano E, Baldoni E, Genga A, Pucci L, Consonni R, Mattana M. Cell Suspensions of Cannabis sativa (var. Futura): Effect of Elicitation on Metabolite Content and Antioxidant Activity. Molecules 2019; 24:molecules24224056. [PMID: 31717508 PMCID: PMC6891269 DOI: 10.3390/molecules24224056] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/06/2019] [Accepted: 11/07/2019] [Indexed: 12/18/2022] Open
Abstract
Cannabis sativa L. is one of the most-studied species for its phytochemistry due to the abundance of secondary metabolites, including cannabinoids, terpenes and phenolic compounds. In the last decade, fiber-type hemp varieties have received interest for the production of many specialized secondary metabolites derived from the phenylpropanoid pathway. The interest in these molecules is due to their antioxidant activity. Since secondary metabolite synthesis occurs at a very low level in plants, the aim of this study was to develop a strategy to increase the production of such compounds and to elucidate the biochemical pathways involved. Therefore, cell suspensions of industrial hemp (C. sativa L. var. Futura) were produced, and an advantageous elicitation strategy (methyl jasmonate, MeJA) in combination with precursor feeding (tyrosine, Tyr) was developed. The activity and expression of phenylalanine ammonia-lyase (PAL) and tyrosine aminotransferase (TAT) increased upon treatment. Through 1H-NMR analyses, some aromatic compounds were identified, including, for the first time, 4-hydroxyphenylpyruvate (4-HPP) in addition to tyrosol. The 4-day MeJA+Tyr elicited samples showed a 51% increase in the in vitro assay (2,2-diphenyl-1-picrylhydrazyl, DPPH) radical scavenging activity relative to the control and a 80% increase in the cellular antioxidant activity estimated on an ex vivo model of human erythrocytes. Our results outline the active metabolic pathways and the antioxidant properties of hemp cell extracts under the effect of specific elicitors.
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Affiliation(s)
- Damiano Gabotti
- Institute of Agricultural Biology and Biotechnology, National Research Council, Via Bassini 15, 20133 Milan, Italy; (D.G.); (F.L.); (E.B.); (A.G.)
| | - Franca Locatelli
- Institute of Agricultural Biology and Biotechnology, National Research Council, Via Bassini 15, 20133 Milan, Italy; (D.G.); (F.L.); (E.B.); (A.G.)
| | - Erica Cusano
- Institute of Chemical Sciences and Technologies “Giulio Natta”, Lab. NMR, National Research Council, Via Bassini 15, 20133 Milan, Italy; (E.C.); (R.C.)
| | - Elena Baldoni
- Institute of Agricultural Biology and Biotechnology, National Research Council, Via Bassini 15, 20133 Milan, Italy; (D.G.); (F.L.); (E.B.); (A.G.)
| | - Annamaria Genga
- Institute of Agricultural Biology and Biotechnology, National Research Council, Via Bassini 15, 20133 Milan, Italy; (D.G.); (F.L.); (E.B.); (A.G.)
| | - Laura Pucci
- Institute of Agricultural Biology and Biotechnology, National Research Council, Via Moruzzi 1, 56124 Pisa, Italy;
| | - Roberto Consonni
- Institute of Chemical Sciences and Technologies “Giulio Natta”, Lab. NMR, National Research Council, Via Bassini 15, 20133 Milan, Italy; (E.C.); (R.C.)
| | - Monica Mattana
- Institute of Agricultural Biology and Biotechnology, National Research Council, Via Bassini 15, 20133 Milan, Italy; (D.G.); (F.L.); (E.B.); (A.G.)
- Correspondence: ; Tel.: +39-02-23699677
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Wang R, Han X, Xu S, Xia B, Jiang Y, Xue Y, Wang R. Cloning and characterization of a tyrosine decarboxylase involved in the biosynthesis of galanthamine in Lycoris aurea. PeerJ 2019; 7:e6729. [PMID: 31024762 PMCID: PMC6474336 DOI: 10.7717/peerj.6729] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 03/06/2019] [Indexed: 11/24/2022] Open
Abstract
Background Galanthamine, one kind of Amaryllidaceae alkaloid extracted from the Lycoris species, is used in the treatment of Alzheimer’s disease. In regards to medical and economic importance, the biosynthesis and regulatory mechanism of the secondary metabolites in Lycoris remain uninvestigated. Methods BLAST was used to identify the sequence of tyrosine decarboxylase in the transcriptome of Lycoris aurea (L’Hér) Herb. The enzyme activity of this TYDC was determined by using heterologous expressed protein in the Escherichia coli cells. The related productive contents of tyramine were detected using High Performance Liquid Chromatography (HPLC). According to the available micro RNA sequencing profiles and degradome database of L. aurea, microRNA396 were isolated, which targets to LaTYDC1 and RNA Ligase-Mediated-Rapid Amplification of cDNA Ends (RLM-RACE) were used to confirm the cleavage. The expression levels of miR396 and LaTYDC1 were measured using a quantitative real-time polymerase chain reaction (qRT-PCR). Results LaTYDC1 was mainly expressed in root, bulb, leaf and flower fitting the models for galanthamine accumulation. This decarboxylase efficiently catalyzes tyrosine to tyramine conversion. Under methyl jasmonate (MeJA) treatment, the expression of LaTYDC1 and the content of tyramine sharply increase. The use of RLM-RACE confirms that miR396 promotes the degradation of LaTYDC1 mRNA. Under MeJA treatment, the expression of miR396 was suppressed while the expression level of LaTYDC1 sharply increased. Following the increase of the miR396 transcriptional level, LaTYDC1 was significantly repressed. Conclusion LaTYDC1 participates in the biosynthesis of galanthamine, and is regulated by miR396. This finding also provides genetic strategy for improving the yield of galanthamine in the future.
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Affiliation(s)
- Rong Wang
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Xiaokang Han
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Sheng Xu
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Bing Xia
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Yumei Jiang
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
| | - Yong Xue
- Eco-environmental Protection Research Institute, Shanghai Environmental Protection Monitoring Station of Agriculture, Shanghai Engineering Research Centre of Low-carbon Agriculture (SERLA), Shanghai Key Laboratory of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, China
| | - Ren Wang
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing, China
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11
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Yang H, Xue Y, Yang C, Shen W, Fan Y, Chen X. Modular Engineering of Tyrosol Production in Escherichia coli. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:3900-3908. [PMID: 30873833 DOI: 10.1021/acs.jafc.9b00227] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In this study, we investigated the effects of the different critical genes in the three modules on tyrosol production in Escherichia coli. Coexpression of the yahK and ARO10 genes increased the yield of tyrosol by 10% compared to that of the control. Tyrosol production by E. coli BFPT1 and E. coli BFPA1 was higher by 15.0% and 17.8% than that by the control, respectively, via coordinated expression of key genes from modules 2 and 3. The tyrosol yield of E. coli BFPE2 was 58.3% higher than that of the control (reaching 5.72 mM) when the expression levels of the key genes aroA and tyrA* from module 2 were balanced. The tyrosol yield of E. coli BFPG1 was increased by 52.6% (reaching 5.8 mM) compared to the control via coexpression of modules 1, 2, and 3. This work suggested that microbial production of tyrosol in E. coli has potential for industrial applications.
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Affiliation(s)
- Haiquan Yang
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education , Jiangnan University , Wuxi 214122 , P. R. China
- School of Biotechnology , Jiangnan University , Wuxi 214122 , P. R. China
| | - Yuxiang Xue
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education , Jiangnan University , Wuxi 214122 , P. R. China
- School of Biotechnology , Jiangnan University , Wuxi 214122 , P. R. China
| | - Cui Yang
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education , Jiangnan University , Wuxi 214122 , P. R. China
- School of Biotechnology , Jiangnan University , Wuxi 214122 , P. R. China
| | - Wei Shen
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education , Jiangnan University , Wuxi 214122 , P. R. China
| | - You Fan
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education , Jiangnan University , Wuxi 214122 , P. R. China
- School of Biotechnology , Jiangnan University , Wuxi 214122 , P. R. China
| | - Xianzhong Chen
- Key Laboratory of Carbohydrate Chemistry & Biotechnology, Ministry of Education , Jiangnan University , Wuxi 214122 , P. R. China
- School of Biotechnology , Jiangnan University , Wuxi 214122 , P. R. China
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12
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Wang F, Huang D, Ma Y, Zhang F, Linhardt RJ. Preparation of salidroside with n-butyl β-D-glucoside as the glycone donor via a two-step enzymatic synthesis catalyzed by immobilized β-glucosidase from bitter almonds. BIOCATAL BIOTRANSFOR 2019. [DOI: 10.1080/10242422.2018.1549236] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Feng Wang
- School of Chemical and Material Engineering, Jiangnan University, Wuxi, China
- The Key Laboratory of Food Colloids and Biotechnology of Ministry of Education, Jiangnan University, Wuxi, China
| | - Dengfa Huang
- School of Chemical and Material Engineering, Jiangnan University, Wuxi, China
| | - Yong Ma
- School of Chemical and Material Engineering, Jiangnan University, Wuxi, China
| | - Fuming Zhang
- Department of Chemistry and Chemical Biology, Department of Chemical and Biological Engineering, Biology and Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA
| | - Robert J. Linhardt
- Department of Chemistry and Chemical Biology, Department of Chemical and Biological Engineering, Biology and Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA
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13
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Improving Soluble Expression of Tyrosine Decarboxylase from Lactobacillus brevis for Tyramine Synthesis with High Total Turnover Number. Appl Biochem Biotechnol 2018; 188:436-449. [PMID: 30520007 DOI: 10.1007/s12010-018-2925-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 05/30/2018] [Indexed: 01/13/2023]
Abstract
The soluble expression of tyrosine decarboxylase (TDC) in heterologous host is often challenging. Here, acidic condition was found to be favorable for improving the soluble expression of TDC from Lactobacillus brevis in Escherichia coli, while addition of carbohydrates (such as glucose, arabinose, and fructose) was vital for decreasing the insoluble fraction. By simple pH control and addition of glucose, the specific activity of TDC in crude extract was enhanced to 46.3 U mg-1, 3.67-fold of that produced from LB medium. Optimization of the reaction conditions revealed that Tween-80 was effective in improving the tyramine production catalyzed by TDC, especially at high tyrosine loadings. As much as 400 mM tyrosine could be completely converted into tyramine with a substrate to catalyst ratio of 29.0 g g-1 and total turnover number of 23,300. This study provides efficient strategies for the highly soluble expression of TDC and biocatalytic production of tyramine.
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A Novel UDP-Glycosyltransferase of Rhodiola crenulata Converts Tyrosol to Specifically Produce Icariside D2. BIOMED RESEARCH INTERNATIONAL 2018; 2018:7970590. [PMID: 30027099 PMCID: PMC6031081 DOI: 10.1155/2018/7970590] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 05/22/2018] [Indexed: 11/20/2022]
Abstract
Rhodiola crenulata is a Tibetan native herbal plant belonging to the family of Crassulaceae, which produces the pharmaceutical icariside D2 with the activities of inhibiting angiotensin-converting enzyme and killing leukemia cancer cells. In this study, we functionally characterized a novel UDP-glycosyltransferase (RcUGT1) that converted tyrosol to specifically produce icariside D2 from R. crenulata at molecular and biochemical levels. RcUGT1 was highly expressed in flowers and roots, while the icariside D2 content was much higher in stems than that in other organs, suggesting the potential translocation of icariside D2 from flowers and roots to stems. The high production of icariside D2 in stems provided a reasonable suggestion to farmers to harvest stems instead of roots for icariside D2 production. Enzymatic assays of recombinant RcUGT1 indicated that it converted tyrosol to specifically form icariside D2, with the values of Km 0.97±0.10 mM, Vmax 286±8.26 pKat/mg, Kcat 0.01552 s−1, and Kcat/Km 159.55 s−1 M−1. Functional identification of RcUGT1 facilitated the icariside D2 production through metabolic engineering in plants or synthetic biology in microbes.
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15
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Schenck CA, Maeda HA. Tyrosine biosynthesis, metabolism, and catabolism in plants. PHYTOCHEMISTRY 2018; 149:82-102. [PMID: 29477627 DOI: 10.1016/j.phytochem.2018.02.003] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 01/26/2018] [Accepted: 02/02/2018] [Indexed: 05/22/2023]
Abstract
L-Tyrosine (Tyr) is an aromatic amino acid (AAA) required for protein synthesis in all organisms, but synthesized de novo only in plants and microorganisms. In plants, Tyr also serves as a precursor of numerous specialized metabolites that have diverse physiological roles as electron carriers, antioxidants, attractants, and defense compounds. Some of these Tyr-derived plant natural products are also used in human medicine and nutrition (e.g. morphine and vitamin E). While the Tyr biosynthesis and catabolic pathways have been extensively studied in microbes and animals, respectively, those of plants have received much less attention until recently. Accumulating evidence suggest that the Tyr biosynthetic pathways differ between microbes and plants and even within the plant kingdom, likely to support the production of lineage-specific plant specialized metabolites derived from Tyr. The interspecies variations of plant Tyr pathway enzymes can now be used to enhance the production of Tyr and Tyr-derived compounds in plants and other synthetic biology platforms.
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Affiliation(s)
- Craig A Schenck
- Department of Botany, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Hiroshi A Maeda
- Department of Botany, University of Wisconsin-Madison, Madison, WI 53706, USA.
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16
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Cui JL, Wang YN, Jiao J, Gong Y, Wang JH, Wang ML. Fungal endophyte-induced salidroside and tyrosol biosynthesis combined with signal cross-talk and the mechanism of enzyme gene expression in Rhodiola crenulata. Sci Rep 2017; 7:12540. [PMID: 28970519 PMCID: PMC5624951 DOI: 10.1038/s41598-017-12895-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 09/08/2017] [Indexed: 12/21/2022] Open
Abstract
Endophyte is a factor that affects the physiology and metabolism of plant. However, limited information is available on the mechanism of interaction between endophyte and plant. To investigate the effects of endophytic fungus ZPRs-R11, that is, Trimmatostroma sp., on salidroside and tyrosol accumulations in Rhodiola crenulata, signal transduction, enzyme gene expression, and metabolic pathway were investigated. Results showed that hydrogen peroxide (H2O2), nitric oxide (NO), and salicylic acid (SA) involved in fungus-induced salidroside and tyrosol accumulations. NO acted as an upstream signal of H2O2 and SA. No up- or down-stream relationship was observed, but mutual coordination existed between H2O2 and SA. Rate-limiting enzyme genes with the maximum expression activities were UDP-glucosyltransferase, tyrosine decarboxylase (TYDC), monoamine oxidase, phenylalanine ammonialyase (PAL), and cinnamic-4-hydroxylase sequentially. Nevertheless, the genes of tyrosine transaminase and pyruvate decarboxylase only indicated slightly higher activities than those in control. Thus, TYDC and PAL branches were the preferential pathways in ZPRs-R11-induced salidroside and tyrosol accumulation. Trimmatostroma sp. was a potential fungus for promoting salidroside and tyrosol accumulations. The present data also provided scientific basis for understanding complex interaction between endophytic fungus and R. crenulata.
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Affiliation(s)
- Jin-Long Cui
- Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, China.
| | - Ya-Nan Wang
- Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, China
- Institute of Biotechnology, Shanxi University, Taiyuan, 030006, China
| | - Jin Jiao
- Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, China
| | - Yi Gong
- Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, China
- Institute of Biotechnology, Shanxi University, Taiyuan, 030006, China
| | - Jun-Hong Wang
- Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, China
| | - Meng-Liang Wang
- Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, China.
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17
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Chung D, Kim SY, Ahn JH. Production of three phenylethanoids, tyrosol, hydroxytyrosol, and salidroside, using plant genes expressing in Escherichia coli. Sci Rep 2017; 7:2578. [PMID: 28566694 PMCID: PMC5451403 DOI: 10.1038/s41598-017-02042-2] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 04/06/2017] [Indexed: 11/09/2022] Open
Abstract
Polyphenols, which include phenolic acids, flavonoids, stilbenes, and phenylethanoids, are generally known as useful antioxidants. Tyrosol, hydroxytyrosol, and salidroside are typical phenylethanoids. Phenylethanoids are found in plants such as olive, green tea, and Rhodiola and have various biological activities, including the prevention of cardiovascular diseases, cancer, and brain damage. We used Escherichia coli to synthesize three phenylethanoids, tyrosol, hydroxytyrosol, and salidroside. To synthesize tyrosol, the aromatic aldehyde synthase (AAS) was expressed in E. coli. Hydroxytyrosol was synthesized using E. coli harboring AAS and HpaBC, which encodes hydroxylase. In order to synthesize salidroside, 12 uridine diphosphate-dependent glycosyltransferases (UGTs) were screened and UGT85A1 was found to convert tyrosol to salidroside. Using E. coli harboring AAS and UGT85A1, salidroside was synthesized. Through the optimization of these three E. coli strains, we were able to synthesize 531 mg/L tyrosol, 208 mg/L hydroxytyrosol, and 288 mg/L salidroside, respectively.
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Affiliation(s)
- Daeun Chung
- Department of Integrative Bioscience and Biotechnology, Bio/Molecular Informatics Center, Konkuk University, Seoul, 05029, Republic of Korea
| | - So Yeon Kim
- Department of Integrative Bioscience and Biotechnology, Bio/Molecular Informatics Center, Konkuk University, Seoul, 05029, Republic of Korea
| | - Joong-Hoon Ahn
- Department of Integrative Bioscience and Biotechnology, Bio/Molecular Informatics Center, Konkuk University, Seoul, 05029, Republic of Korea.
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18
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Malheiro J, Gomes I, Borges A, Bastos MMSM, Maillard JY, Borges F, Simões M. Phytochemical profiling as a solution to palliate disinfectant limitations. BIOFOULING 2016; 32:1007-1016. [PMID: 27552663 DOI: 10.1080/08927014.2016.1220550] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 07/30/2016] [Indexed: 06/06/2023]
Abstract
The indiscriminate use of biocides for general disinfection has contributed to the increased incidence of antimicrobial tolerant microorganisms. This study aims to assess the potential of seven phytochemicals (tyrosol, caffeic acid, ferulic acid, cinnamaldehyde, coumaric acid, cinnamic acid and eugenol) in the control of planktonic and sessile cells of Staphylococcus aureus and Escherichia coli. Cinnamaldehyde and eugenol showed antimicrobial properties, minimum inhibitory concentrations of 3-5 and 5-12 mM and minimum bactericidal concentrations of 10-12 and 10-14 mM against S. aureus and E. coli, respectively. Cinnamic acid was able to completely control adhered bacteria with effects comparable to peracetic acid and sodium hypochlorite and it was more effective than hydrogen peroxide (all at 10 mM). This phytochemical caused significant changes in bacterial membrane hydrophilicity. The observed effectiveness of phytochemicals makes them interesting alternatives and/or complementary products to commonly used biocidal products. Cinnamic acid is of particular interest for the control of sessile cells.
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Affiliation(s)
- J Malheiro
- a LEPABE, Department of Chemical Engineering, Faculty of Engineering of University of Porto , Porto , Portugal
- b CIQUP, Department of Chemistry and Biochemistry, Faculty of Sciences University of Porto , Porto , Portugal
- c Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University , Cardiff , UK
| | - I Gomes
- a LEPABE, Department of Chemical Engineering, Faculty of Engineering of University of Porto , Porto , Portugal
| | - A Borges
- a LEPABE, Department of Chemical Engineering, Faculty of Engineering of University of Porto , Porto , Portugal
- b CIQUP, Department of Chemistry and Biochemistry, Faculty of Sciences University of Porto , Porto , Portugal
| | - M M S M Bastos
- a LEPABE, Department of Chemical Engineering, Faculty of Engineering of University of Porto , Porto , Portugal
| | - J-Y Maillard
- c Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University , Cardiff , UK
| | - F Borges
- b CIQUP, Department of Chemistry and Biochemistry, Faculty of Sciences University of Porto , Porto , Portugal
| | - M Simões
- a LEPABE, Department of Chemical Engineering, Faculty of Engineering of University of Porto , Porto , Portugal
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19
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Cui J, Guo T, Chao J, Wang M, Wang J. Potential of the Endophytic Fungus Phialocephala fortinii Rac56 Found in Rhodiola Plants to Produce Salidroside and p-Tyrosol. Molecules 2016; 21:502. [PMID: 27092483 PMCID: PMC6273359 DOI: 10.3390/molecules21040502] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 03/22/2016] [Accepted: 04/06/2016] [Indexed: 01/09/2023] Open
Abstract
2-(4-Hydroxyphenyl)ehyl-β-D-glucopyranoside (salidroside) and 4-(2-hydroxyethyl)phenol (p-tyrosol) are famous food and medicine additives originally derived from alpine Rhodiola plants. Salidroside or p-tyrosol production by the endophytic fungus Rac56 (Phialocephala fortinii) was confirmed by UPLC/Q-TOF-MS and ¹H-NMR. The fermentation conditions were optimized by orthogonal design using data processing system software. The broth fermentation results showed that salidroside and p-tyrosol extraction yields from Rac56 were stable and reached 1.729 ± 0.06 mg and 1.990 ± 0.05 mg per mL of culture medium, respectively. The optimal conditions for salidroside and p-tyrosol production in fermentation culture of Rac56 were determined to be 25 °C, pH values of 7 and 5, Czapek-Dox culture medium volumes of 150 mL and 50 mL in 250 mL flasks, rotation speeds of 100× g and 200× g, and fermentation durations of 7 and 15 days, respectively. Under these optimal conditions, stable yields of 2.339 ± 0.1093 mg and 2.002 ± 0.0009 mg per mL of culture medium of salidroside and p-tyrosol, respectively, were obtained, indicating that the P. fortinii Rac56 strain is a promising source of these compounds.
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Affiliation(s)
- Jinlong Cui
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China.
| | - Tingting Guo
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China.
| | - Jianbin Chao
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China.
| | - Mengliang Wang
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China.
| | - Junhong Wang
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China.
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20
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Grech-Baran M, Sykłowska-Baranek K, Pietrosiuk A. Biotechnological approaches to enhance salidroside, rosin and its derivatives production in selected Rhodiola spp. in vitro cultures. PHYTOCHEMISTRY REVIEWS : PROCEEDINGS OF THE PHYTOCHEMICAL SOCIETY OF EUROPE 2014; 14:657-674. [PMID: 26213525 PMCID: PMC4513219 DOI: 10.1007/s11101-014-9368-y] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Accepted: 06/07/2014] [Indexed: 05/13/2023]
Abstract
Rhodiola (Crassulaceae) an arctic-alpine plant, is extensively used in traditional folk medicine in Asian and European countries. A number of investigations have demonstrated that Rhodiola preparations exhibit adaptogenic, neuroprotective, anti-tumour, cardioprotective, and anti-depressant effects. The main compounds responsible for these activities are believed to be salidroside, rosin and its derivatives which became the target of biotechnological investigations. This review summarizes the results of the diverse biotechnological approaches undertaken to enhance the production of salidroside, rosin and its derivatives in callus, cell suspension and organ in vitro cultures of selected Rhodiola species.
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Affiliation(s)
- Marta Grech-Baran
- Department of Pharmaceutical Biology and Medicinal Plant Biotechnology, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1 St., 02-097 Warsaw, Poland
| | - Katarzyna Sykłowska-Baranek
- Department of Pharmaceutical Biology and Medicinal Plant Biotechnology, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1 St., 02-097 Warsaw, Poland
| | - Agnieszka Pietrosiuk
- Department of Pharmaceutical Biology and Medicinal Plant Biotechnology, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1 St., 02-097 Warsaw, Poland
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21
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Tyrosine decarboxylase from Lactobacillus brevis: Soluble expression and characterization. Protein Expr Purif 2014; 94:33-9. [DOI: 10.1016/j.pep.2013.10.018] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Revised: 10/27/2013] [Accepted: 10/29/2013] [Indexed: 11/19/2022]
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22
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Alagna F, Mariotti R, Panara F, Caporali S, Urbani S, Veneziani G, Esposto S, Taticchi A, Rosati A, Rao R, Perrotta G, Servili M, Baldoni L. Olive phenolic compounds: metabolic and transcriptional profiling during fruit development. BMC PLANT BIOLOGY 2012; 12:162. [PMID: 22963618 PMCID: PMC3480905 DOI: 10.1186/1471-2229-12-162] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Accepted: 08/30/2012] [Indexed: 05/10/2023]
Abstract
BACKGROUND Olive (Olea europaea L.) fruits contain numerous secondary metabolites, primarily phenolics, terpenes and sterols, some of which are particularly interesting for their nutraceutical properties. This study will attempt to provide further insight into the profile of olive phenolic compounds during fruit development and to identify the major genetic determinants of phenolic metabolism. RESULTS The concentration of the major phenolic compounds, such as oleuropein, demethyloleuropein, 3-4 DHPEA-EDA, ligstroside, tyrosol, hydroxytyrosol, verbascoside and lignans, were measured in the developing fruits of 12 olive cultivars. The content of these compounds varied significantly among the cultivars and decreased during fruit development and maturation, with some compounds showing specificity for certain cultivars. Thirty-five olive transcripts homologous to genes involved in the pathways of the main secondary metabolites were identified from the massive sequencing data of the olive fruit transcriptome or from cDNA-AFLP analysis. Their mRNA levels were determined using RT-qPCR analysis on fruits of high- and low-phenolic varieties (Coratina and Dolce d'Andria, respectively) during three different fruit developmental stages. A strong correlation was observed between phenolic compound concentrations and transcripts putatively involved in their biosynthesis, suggesting a transcriptional regulation of the corresponding pathways. OeDXS, OeGES, OeGE10H and OeADH, encoding putative 1-deoxy-D-xylulose-5-P synthase, geraniol synthase, geraniol 10-hydroxylase and arogenate dehydrogenase, respectively, were almost exclusively present at 45 days after flowering (DAF), suggesting that these compounds might play a key role in regulating secoiridoid accumulation during fruit development. CONCLUSIONS Metabolic and transcriptional profiling led to the identification of some major players putatively involved in biosynthesis of secondary compounds in the olive tree. Our data represent the first step towards the functional characterisation of important genes for the determination of olive fruit quality.
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Affiliation(s)
| | | | | | - Silvia Caporali
- Dept. of Economical and Food Science, University of Perugia, 06126, Perugia, Italy
| | - Stefania Urbani
- Dept. of Economical and Food Science, University of Perugia, 06126, Perugia, Italy
| | - Gianluca Veneziani
- Dept. of Economical and Food Science, University of Perugia, 06126, Perugia, Italy
| | - Sonia Esposto
- Dept. of Economical and Food Science, University of Perugia, 06126, Perugia, Italy
| | - Agnese Taticchi
- Dept. of Economical and Food Science, University of Perugia, 06126, Perugia, Italy
| | | | - Rosa Rao
- Dept. of Soil, Plant, Environment and Animal Production Sciences, University of Naples 'Federico II', 80055, Portici, NA, Italy
| | | | - Maurizio Servili
- Dept. of Economical and Food Science, University of Perugia, 06126, Perugia, Italy
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Mirmazloum I, György Z. Review of the molecular genetics in higher plants towards salidrosid and cinnamyl alcohol glycosides biosynthesis inRhodiola roseaL. ACTA ALIMENTARIA 2012. [DOI: 10.1556/aalim.41.2012.suppl.13] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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