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Luo Y, Huang X, Sha A, He J, Chen X, Xiao W, Peng L, Zou L, Liu B, Li Q. Analysis of growth physiological changes and metabolome of highland barley seedlings under cadmium (II) stress. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2025; 367:125664. [PMID: 39805469 DOI: 10.1016/j.envpol.2025.125664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2024] [Revised: 12/24/2024] [Accepted: 01/07/2025] [Indexed: 01/16/2025]
Abstract
This study aims to investigate the physiological changes in growth and metabolic response mechanisms of highland barley under different concentrations of cadmium. To achieve this, cadmium stress was applied to green barley at levels of 20, 40, and 80 mg/L. The results revealed that, under Cd(II) stress, the chlorophyll content and photosynthesis in leaves of highland barley seedlings were inhibited to some extent. Additionally, the malondialdehyde (MDA) content and superoxide dismutase activity increased significantly, indicating that the seedlings were affected by oxidative stress. In addition, Cd(II) stress also significantly affected the accumulation of metabolites in highland barley seedlings, resulting in an increase in lipids and lipid molecules, organic heterocyclic compounds, and phenylpropanoids. Cd(II) stress also significantly interfered with phenylalanine metabolism, fructose and mannose metabolism, amino acid, sugar, and nucleotide sugar metabolism, and biosynthetic metabolic pathways of isoquinoline alkaloids. The increase in Cd(II) stress also resulted in elevated levels of soluble sugars, soluble proteins, and proline as defense mechanisms against the stress. Overall, barley has a very good ability to resist adversity, and the mechanism of barley's resistance to adversity has not been deeply investigated. Therefore, in this paper, we systematically investigated the stress resistance mechanism of barley to cadmium stress and found that the growth physiology and metabolism of barley seedlings were significantly affected by cadmium stress. Differential changes in metabolites and enrichment of metabolic pathways may be the main mechanisms for barley seedlings to cope with Cd(II) stress. This provides direction for selecting better varieties of barley.
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Affiliation(s)
- Yingyong Luo
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, China
| | - Xian Huang
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, China
| | - Ajia Sha
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, China
| | - Jing He
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, China
| | - Xiaodie Chen
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, China
| | - Wenqi Xiao
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, China
| | - Lianxin Peng
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, China
| | - Liang Zou
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, China
| | - Bingliang Liu
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, China
| | - Qiang Li
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Sichuan Engineering & Technology Research Center of Coarse Cereal Industrialization, School of Food and Biological Engineering, Chengdu University, Chengdu, Sichuan, China.
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Hernández-Ruiz RG, Olivares-Ochoa XC, Salinas-Varela Y, Guajardo-Espinoza D, Roldán-Flores LG, Rivera-Leon EA, López-Quintero A. Phenolic Compounds and Anthocyanins in Legumes and Their Impact on Inflammation, Oxidative Stress, and Metabolism: Comprehensive Review. Molecules 2025; 30:174. [PMID: 39795230 PMCID: PMC11722078 DOI: 10.3390/molecules30010174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2024] [Revised: 12/06/2024] [Accepted: 12/07/2024] [Indexed: 01/13/2025] Open
Abstract
Inflammation, oxidative stress, and metabolic diseases are intricately linked in a complex, self-reinforcing relationship. Inflammation can induce oxidative stress, while oxidative stress can trigger inflammatory responses, creating a cycle that contributes to the development and progression of metabolic disorders; in addition, these effects can be observed at systemic and local scales. Both processes lead to cellular damage, mitochondrial dysfunction, and insulin resistance, particularly affecting adipose tissue, the liver, muscles, and the gastrointestinal tract. This results in impaired metabolic function and energy production, contributing to conditions such as type 2 diabetes, obesity, and metabolic syndrome. Legumes are a good source of phenolic compounds and anthocyanins that exert an antioxidant effect-they directly neutralize reactive oxygen species and free radicals, reducing oxidative stress. In vivo, in vitro, and clinical trial studies demonstrate that these compounds can modulate key cellular signaling pathways involved in inflammation and metabolism, improving insulin sensitivity and regulating lipid and glucose metabolism. They also exert anti-inflammatory effects by inhibiting proinflammatory enzymes and cytokines. Additionally, anthocyanins and phenolics may positively influence the gut microbiome, indirectly affecting metabolism and inflammation.
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Affiliation(s)
- Rocio Guadalupe Hernández-Ruiz
- Doctorado en Ciencias de la Nutrición Traslacional, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara (UdeG), Guadalajara 44340, Jalisco, Mexico; (R.G.H.-R.); (X.C.O.-O.); (Y.S.-V.)
| | - Xochitl Citalli Olivares-Ochoa
- Doctorado en Ciencias de la Nutrición Traslacional, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara (UdeG), Guadalajara 44340, Jalisco, Mexico; (R.G.H.-R.); (X.C.O.-O.); (Y.S.-V.)
| | - Yahatziri Salinas-Varela
- Doctorado en Ciencias de la Nutrición Traslacional, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara (UdeG), Guadalajara 44340, Jalisco, Mexico; (R.G.H.-R.); (X.C.O.-O.); (Y.S.-V.)
| | | | | | - Edgar Alfonso Rivera-Leon
- Instituto de Nutrigenética y Nutrigenómica Traslacional, CUCS, UdeG, Guadalajara 44340, Jalisco, Mexico;
- Departamento de Ciencias de la Salud, Centro Universitario de los Altos (CUAltos), UdeG, Tepatitlán de Morelos 47620, Jalisco, Mexico
| | - Andres López-Quintero
- Doctorado en Ciencias de la Nutrición Traslacional, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara (UdeG), Guadalajara 44340, Jalisco, Mexico; (R.G.H.-R.); (X.C.O.-O.); (Y.S.-V.)
- Instituto de Nutrigenética y Nutrigenómica Traslacional, CUCS, UdeG, Guadalajara 44340, Jalisco, Mexico;
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Chen JQ, Ma YS, Zhou H, Yu RX, Xiong M, Yang N, Wang JQ, Tian Y, Su LY. Myrica rubra Preharvest Treatment with Melatonin Improves Antioxidant and Phenylpropanoid Pathways During Postharvest Storage. Foods 2024; 14:64. [PMID: 39796354 PMCID: PMC11719693 DOI: 10.3390/foods14010064] [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: 11/28/2024] [Revised: 12/21/2024] [Accepted: 12/27/2024] [Indexed: 01/13/2025] Open
Abstract
Myrica rubra is known for its popularity and robust nutritional value. While fresh Myrica rubra fruit is a perishable commodity, it has a short post-harvest life and is susceptible to fungal decay after harvest. Melatonin has been reported to delay the aging and quality decline of various fruits and vegetables after harvest. However, the effects of pre-harvest melatonin treatment on the maintenance of post-harvest quality and storage extension of fresh Myrica rubra fruit are still unclear. The impact of pre-harvest spraying of melatonin at different concentrations (100 μM, 300 μM, and 500 μM) on the fruit quality of Myrica rubra during storage at room temperature or 4 °C was investigated. The results indicated that in the final stage of storage, compared with the control group, different concentrations of melatonin reduced the decay index by 13.0-47.1% and also decreased the weight loss, the content of O2-•, and the content of malondialdehyde (MDA), respectively. Meanwhile, melatonin increased the content of antioxidants such as superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT), as well as the total polyphenols and flavonoids content. Finally, RNA transcriptome sequencing revealed that melatonin enhanced the antioxidant capacity by increasing the expression of both antioxidant enzymes and changing phenylpropanoid pathway-related genes, therefore maintaining the fresh Myrica rubra quality. Our findings uncovered a potent role and mechanism of melatonin in maintaining Myrica rubra fruit quality during storage and suggest that pre-harvest melatonin spraying may be a convenient and effective method for prolonging storage and maintaining quality of fruits after picking.
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Affiliation(s)
- Jun-Quan Chen
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China; (J.-Q.C.); (Y.-S.M.); (H.Z.); (R.-X.Y.); (M.X.); (N.Y.); (J.-Q.W.)
- Yunnan Provincial Laboratory of Precision Nutrition and Personalized Manufacturing, Yunnan Agricultural University, Kunming 650201, China
| | - Yun-Shuang Ma
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China; (J.-Q.C.); (Y.-S.M.); (H.Z.); (R.-X.Y.); (M.X.); (N.Y.); (J.-Q.W.)
- Yunnan Provincial Laboratory of Precision Nutrition and Personalized Manufacturing, Yunnan Agricultural University, Kunming 650201, China
| | - Hejiang Zhou
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China; (J.-Q.C.); (Y.-S.M.); (H.Z.); (R.-X.Y.); (M.X.); (N.Y.); (J.-Q.W.)
- Yunnan Provincial Laboratory of Precision Nutrition and Personalized Manufacturing, Yunnan Agricultural University, Kunming 650201, China
| | - Rui-Xue Yu
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China; (J.-Q.C.); (Y.-S.M.); (H.Z.); (R.-X.Y.); (M.X.); (N.Y.); (J.-Q.W.)
- Yunnan Provincial Laboratory of Precision Nutrition and Personalized Manufacturing, Yunnan Agricultural University, Kunming 650201, China
| | - Miao Xiong
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China; (J.-Q.C.); (Y.-S.M.); (H.Z.); (R.-X.Y.); (M.X.); (N.Y.); (J.-Q.W.)
- Yunnan Provincial Laboratory of Precision Nutrition and Personalized Manufacturing, Yunnan Agricultural University, Kunming 650201, China
| | - Na Yang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China; (J.-Q.C.); (Y.-S.M.); (H.Z.); (R.-X.Y.); (M.X.); (N.Y.); (J.-Q.W.)
- Yunnan Provincial Laboratory of Precision Nutrition and Personalized Manufacturing, Yunnan Agricultural University, Kunming 650201, China
| | - Ji-Qiu Wang
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China; (J.-Q.C.); (Y.-S.M.); (H.Z.); (R.-X.Y.); (M.X.); (N.Y.); (J.-Q.W.)
- Yunnan Provincial Laboratory of Precision Nutrition and Personalized Manufacturing, Yunnan Agricultural University, Kunming 650201, China
| | - Yang Tian
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China; (J.-Q.C.); (Y.-S.M.); (H.Z.); (R.-X.Y.); (M.X.); (N.Y.); (J.-Q.W.)
- Yunnan Provincial Laboratory of Precision Nutrition and Personalized Manufacturing, Yunnan Agricultural University, Kunming 650201, China
- National Research and Development Professional Center for Moringa Processing Technology, Yunnan Agricultural University, Kunming 650201, China
- School of Tea and Coffee, Puer University, Puer 665000, China
| | - Ling-Yan Su
- College of Food Science and Technology, Yunnan Agricultural University, Kunming 650201, China; (J.-Q.C.); (Y.-S.M.); (H.Z.); (R.-X.Y.); (M.X.); (N.Y.); (J.-Q.W.)
- Yunnan Provincial Laboratory of Precision Nutrition and Personalized Manufacturing, Yunnan Agricultural University, Kunming 650201, China
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Kirakosyan RN, Kalasnikova EA, Bolotina EA, Saleh A, Balakina AA, Zaytseva SM. Localization of Secondary Metabolites in Relict Gymnosperms of the Genus Sequoia In Vivo and in Cell Cultures In Vitro, and the Biological Activity of Their Extracts. Life (Basel) 2024; 14:1694. [PMID: 39768400 PMCID: PMC11680049 DOI: 10.3390/life14121694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2024] [Revised: 12/15/2024] [Accepted: 12/17/2024] [Indexed: 01/11/2025] Open
Abstract
In order to scientifically search for new sources of secondary metabolites with valuable qualities for phytopharmacognosy, tasks requiring a step-by-step solution were set. The primary task is the development of technologies for obtaining in vitro highly productive biomass of cells of relict gymnosperms of the genus Sequoia, capable of accumulating various classes of secondary metabolites. The study of the accumulation and localization of secondary metabolites allowed us to evaluate the biological activity and cytotoxicity of in vitro Sequoia cultures. In our study, histochemical methods were used to determine the localization of secondary compounds (phenolic and terpenoid in nature) in plant tissues. Secondary metabolites-polyphenols, catechins, and terpenoids-are mainly localized in the epidermal, parenchymal, and conductive tissues of Sequoia leaves and stems. In callus and suspension cultures of Sequoia, secondary metabolites were localized in cell walls and vacuoles. The mineral composition of the nutrient medium (MS and WPM), the light source (photoperiod), and the endogenous content of polyphenols in the primary explant influenced the initiation and growth characteristics of the in vitro culture of Sequoia plants. Inhibition of growth in suspension cultures on the WPM nutrient medium was noted. The cultivation of Sequoia cell lines at a 16 h photoperiod stimulated the formation of polyphenols but had a negative effect on the growth of callus cultures. Extractive substances obtained from intact and callus tissues of evergreen Sequoia demonstrate high biological (fungicidal) activity and cytotoxicity. The inhibitory effect on Fusarium oxisporum was noted when 200 mg/L of Sequoia extract was added to the nutrient medium. Extracts of redwood callus cultures were low in toxicity to normal FetMSC cells but inhibited the growth of lines of "immortal" cervical HeLa cancer cells and human glioblastoma A172. Intact tissues of Sequoia plants and cell cultures initiated from them in vitro are producers of secondary metabolites with high biological activity.
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Affiliation(s)
- Rima N. Kirakosyan
- Department of Biotechnology, Russian State Agrarian University—Moscow Timiryazev Agricultural Academy, Timiryazevskaya Street 49, Moscow 127434, Russia; (E.A.K.); (E.A.B.); (A.S.)
| | - Elena A. Kalasnikova
- Department of Biotechnology, Russian State Agrarian University—Moscow Timiryazev Agricultural Academy, Timiryazevskaya Street 49, Moscow 127434, Russia; (E.A.K.); (E.A.B.); (A.S.)
| | - Elizaveta A. Bolotina
- Department of Biotechnology, Russian State Agrarian University—Moscow Timiryazev Agricultural Academy, Timiryazevskaya Street 49, Moscow 127434, Russia; (E.A.K.); (E.A.B.); (A.S.)
| | - Abdulrahman Saleh
- Department of Biotechnology, Russian State Agrarian University—Moscow Timiryazev Agricultural Academy, Timiryazevskaya Street 49, Moscow 127434, Russia; (E.A.K.); (E.A.B.); (A.S.)
| | - Anastasiya A. Balakina
- Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry, Russian Academy of Science, Ac. Semenov Avenue 1, Moscow Region, Chernogolovka, Moscow 142432, Russia;
| | - Svetlana M. Zaytseva
- Department of Biotechnology, Russian State Agrarian University—Moscow Timiryazev Agricultural Academy, Timiryazevskaya Street 49, Moscow 127434, Russia; (E.A.K.); (E.A.B.); (A.S.)
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Bovet L, Battey J, Lu J, Sierro N, Dewey RE, Goepfert S. Nitrate assimilation pathway is impacted in young tobacco plants overexpressing a constitutively active nitrate reductase or displaying a defective CLCNt2. BMC PLANT BIOLOGY 2024; 24:1132. [PMID: 39592946 PMCID: PMC11600588 DOI: 10.1186/s12870-024-05834-7] [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: 03/12/2024] [Accepted: 11/15/2024] [Indexed: 11/28/2024]
Abstract
BACKGROUND We have previously shown that the expression of a constitutively active nitrate reductase variant and the suppression of CLCNt2 gene function (belonging to the chloride channel (CLC) gene family) in field-grown tobacco reduces tobacco-specific nitrosamines (TSNA) accumulation in cured leaves and cigarette smoke. In both cases, TSNA reductions resulted from a strong diminution of free nitrate in the leaf, as nitrate is a precursor of the TSNA-producing nitrosating agents formed during tobacco curing and smoking. These nitrosating agents modify tobacco alkaloids to produce TSNAs, the most problematic of which are NNN (N-nitrosonornicotine) and NNK (4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone). The expression of a deregulated nitrate reductase enzyme (DNR) that is no longer responsive to light regulation is believed to diminish free nitrate pools by immediately channeling incoming nitrate into the nitrate assimilation pathway. The reduction in nitrate observed when the two tobacco gene copies encoding the vacuolar nitrate transporter CLCNt2 were down-regulated by RNAi-mediated suppression or knocked out using the CRISPR-Cas technology was mechanistically distinct; likely attributable to the inability of the tobacco cell to efficiently sequester nitrate into the vacuole where this metabolite is protected from further assimilation. In this study, we used transcriptomic and metabolomic analyses to compare the nitrate assimilation response in tobacco plants either expressing DNR or lacking CLCNt2 function. RESULTS When grown in a controlled environment, both DNR and CLCNt2-KO (CLCKO) plants exhibited (1) reduced nitrate content in the leaf; (2) increased N-assimilation into the amino acids Gln and Asn; and (3) a similar pattern of differential regulation of several genes controlling stress responses, including water stress, and cell wall metabolism in comparison to wild-type plants. Differences in gene regulation were also observed between DNR and CLCKO plants, including genes encoding nitrite reductase and asparagine synthetase. CONCLUSIONS Our data suggest that even though both DNR and CLCKO plants display common characteristics with respect to nitrate assimilation, cellular responses, water stress, and cell wall remodeling, notable differences in gene regulatory patterns between the two low nitrate plants are also observed. These findings open new avenues in using plants fixing more nitrogen into amino acids for plant improvement or nutrition perspectives.
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Affiliation(s)
- L Bovet
- PMI R&D, Philip Morris Products S.A., Quai-Jeanrenaud 5, Neuchâtel, 2000, Switzerland.
| | - J Battey
- PMI R&D, Philip Morris Products S.A., Quai-Jeanrenaud 5, Neuchâtel, 2000, Switzerland
| | - J Lu
- Department of Crop and Soil Sciences, North Carolina State University, Campus Box 8009, Raleigh, NC, 27695, USA
| | - N Sierro
- PMI R&D, Philip Morris Products S.A., Quai-Jeanrenaud 5, Neuchâtel, 2000, Switzerland
| | - R E Dewey
- Department of Crop and Soil Sciences, North Carolina State University, Campus Box 8009, Raleigh, NC, 27695, USA
| | - S Goepfert
- PMI R&D, Philip Morris Products S.A., Quai-Jeanrenaud 5, Neuchâtel, 2000, Switzerland
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Jaramillo Jimenez BA, Awwad F, Desgagné-Penix I. Cinnamaldehyde in Focus: Antimicrobial Properties, Biosynthetic Pathway, and Industrial Applications. Antibiotics (Basel) 2024; 13:1095. [PMID: 39596788 PMCID: PMC11590939 DOI: 10.3390/antibiotics13111095] [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: 10/22/2024] [Revised: 11/13/2024] [Accepted: 11/15/2024] [Indexed: 11/29/2024] Open
Abstract
Trans-cinnamaldehyde (TCA), a major bioactive compound derived from cinnamon (Cinnamomum spp.), has garnered significant attention for its diverse therapeutic properties. Its broad-spectrum antimicrobial activity, targeting both Gram-positive and Gram-negative bacteria as well as various fungi, positions TCA as a potent natural antimicrobial agent. Beyond its antimicrobial effects, TCA demonstrates promising antidiabetic and anti-inflammatory activities, making it a valuable compound in medicinal and cosmetic applications. Recent studies have highlighted its role in disrupting microbial membranes, inhibiting biofilm formation, and modulating key metabolic pathways in pathogens. Furthermore, TCA has gained popularity in cosmetics due to its antimicrobial activity, antioxidant properties, and skin-friendly profile. This review provides a comprehensive overview of TCA's antimicrobial potential, focusing on its mechanisms of action and its market and industrial applications. We also discuss the biosynthetic pathway of TCA, exploring both its natural production in cinnamon and advances in biotechnological production methods. As the demand for sustainable and natural antimicrobial agents grows, TCA emerges as a promising candidate for diverse applications. Finally, this review explores future directions for optimizing TCA production through metabolic engineering and synthetic biology approaches to meet industrial-scale demands.
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Affiliation(s)
| | | | - Isabel Desgagné-Penix
- Department of Chemistry, Biochemistry and Physics, Université du Québec à Trois-Rivières, Trois-Rivières, QC G8Z 4M3, Canada; (B.A.J.J.); (F.A.)
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Ihnatowicz A, Siwinska J, Perkowska I, Grosjean J, Hehn A, Bourgaud F, Lojkowska E, Olry A. Genes to specialized metabolites: accumulation of scopoletin, umbelliferone and their glycosides in natural populations of Arabidopsis thaliana. BMC PLANT BIOLOGY 2024; 24:806. [PMID: 39187756 PMCID: PMC11348552 DOI: 10.1186/s12870-024-05491-w] [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: 04/17/2024] [Accepted: 08/06/2024] [Indexed: 08/28/2024]
Abstract
BACKGROUND Scopoletin and umbelliferone belong to coumarins, which are plant specialized metabolites with potent and wide biological activities, the accumulation of which is induced by various environmental stresses. Coumarins have been detected in various plant species, including medicinal plants and the model organism Arabidopsis thaliana. In recent years, key role of coumarins in maintaining iron (Fe) homeostasis in plants has been demonstrated, as well as their significant impact on the rhizosphere microbiome through exudates secreted into the soil environment. Several mechanisms underlying these processes require clarification. Previously, we demonstrated that Arabidopsis is an excellent model for studying genetic variation and molecular basis of coumarin accumulation in plants. RESULTS Here, through targeted metabolic profiling and gene expression analysis, the gene-metabolite network of scopoletin and umbelliferone accumulation was examined in more detail in selected Arabidopsis accessions (Col-0, Est-1, Tsu-1) undergoing different culture conditions and characterized by variation in coumarin content. The highest accumulation of coumarins was detected in roots grown in vitro liquid culture. The expression of 10 phenylpropanoid genes (4CL1, 4CL2, 4CL3, CCoAOMT1, C3'H, HCT, F6'H1, F6'H2,CCR1 and CCR2) was assessed by qPCR in three genetic backgrounds, cultured in vitro and in soil, and in two types of tissues (leaves and roots). We not only detected the expected variability in gene expression and coumarin accumulation among Arabidopsis accessions, but also found interesting polymorphisms in the coding sequences of the selected genes through in silico analysis and resequencing. CONCLUSIONS To the best of our knowledge, this is the first study comparing accumulation of simple coumarins and expression of phenylpropanoid-related genes in Arabidopsis accessions grown in soil and in liquid cultures. The large variations we detected in the content of coumarins and gene expression are genetically determined, but also tissue and culture dependent. It is particularly important considering that growing plants in liquid media is a widely used technology that provides a large amount of root tissue suitable for metabolomics. Research on differential accumulation of coumarins and related gene expression will be useful in future studies aimed at better understanding the physiological role of coumarins in roots and the surrounding environments.
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Affiliation(s)
- Anna Ihnatowicz
- Laboratory of Plant Protection and Biotechnology, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, University of Gdansk, Abrahama 58, Gdansk, 80-307, Poland.
| | - Joanna Siwinska
- Laboratory of Plant Protection and Biotechnology, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, University of Gdansk, Abrahama 58, Gdansk, 80-307, Poland
| | - Izabela Perkowska
- Laboratory of Plant Protection and Biotechnology, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, University of Gdansk, Abrahama 58, Gdansk, 80-307, Poland
| | | | - Alain Hehn
- Université de Lorraine-INRAE, LAE, Nancy, F-54000, France
| | | | - Ewa Lojkowska
- Laboratory of Plant Protection and Biotechnology, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, University of Gdansk, Abrahama 58, Gdansk, 80-307, Poland
| | - Alexandre Olry
- Université de Lorraine-INRAE, LAE, Nancy, F-54000, France.
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Ferreira SS, Antunes MS. Genetically encoded Boolean logic operators to sense and integrate phenylpropanoid metabolite levels in plants. THE NEW PHYTOLOGIST 2024; 243:674-687. [PMID: 38752334 DOI: 10.1111/nph.19823] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 04/30/2024] [Indexed: 06/21/2024]
Abstract
Synthetic biology has the potential to revolutionize biotechnology, public health, and agriculture. Recent studies have shown the enormous potential of plants as chassis for synthetic biology applications. However, tools to precisely manipulate metabolic pathways for bioproduction in plants are still needed. We used bacterial allosteric transcription factors (aTFs) that control gene expression in a ligand-specific manner and tested their ability to repress semi-synthetic promoters in plants. We also tested the modulation of their repression activity in response to specific plant metabolites, especially phenylpropanoid-related molecules. Using these aTFs, we also designed synthetic genetic circuits capable of computing Boolean logic operations. Three aTFs, CouR, FapR, and TtgR, achieved c. 95% repression of their respective target promoters. For TtgR, a sixfold de-repression could be triggered by inducing its ligand accumulation, showing its use as biosensor. Moreover, we designed synthetic genetic circuits that use AND, NAND, IMPLY, and NIMPLY Boolean logic operations and integrate metabolite levels as input to the circuit. We showed that biosensors can be implemented in plants to detect phenylpropanoid-related metabolites and activate a genetic circuit that follows a predefined logic, demonstrating their potential as tools for exerting control over plant metabolic pathways and facilitating the bioproduction of natural products.
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Affiliation(s)
- Savio S Ferreira
- Department of Biological Sciences, University of North Texas, Denton, TX, 76203, USA
- BioDiscovery Institute, University of North Texas, Denton, TX, 76203, USA
| | - Mauricio S Antunes
- Department of Biological Sciences, University of North Texas, Denton, TX, 76203, USA
- BioDiscovery Institute, University of North Texas, Denton, TX, 76203, USA
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Lavhale SG, Kondhare KR, Sinthadurai VS, Barvkar VT, Kale RS, Joshi RS, Giri AP. Ocimum kilimandscharicum 4CL11 negatively regulates adventitious root development via accumulation of flavonoid glycosides. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 119:176-196. [PMID: 38575203 DOI: 10.1111/tpj.16752] [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: 05/28/2023] [Revised: 02/17/2024] [Accepted: 03/20/2024] [Indexed: 04/06/2024]
Abstract
4-Coumarate-CoA Ligase (4CL) is an important enzyme in the phenylpropanoid biosynthesis pathway. Multiple 4CLs are identified in Ocimum species; however, their in planta functions remain enigmatic. In this study, we independently overexpressed three Ok4CL isoforms from Ocimum kilimandscharicum (Ok4CL7, -11, and -15) in Nicotiana benthamiana. Interestingly, Ok4CL11 overexpression (OE) caused a rootless or reduced root growth phenotype, whereas overexpression of Ok4CL15 produced normal adventitious root (AR) growth. Ok4CL11 overexpression in N. benthamiana resulted in upregulation of genes involved in flavonoid biosynthesis and associated glycosyltransferases accompanied by accumulation of specific flavonoid-glycosides (kaempferol-3-rhamnoside, kaempferol-3,7-O-bis-alpha-l-rhamnoside [K3,7R], and quercetin-3-O-rutinoside) that possibly reduced auxin levels in plants, and such effects were not seen for Ok4CL7 and -15. Docking analysis suggested that auxin transporters (PINs/LAXs) have higher binding affinity to these specific flavonoid-glycosides, and thus could disrupt auxin transport/signaling, which cumulatively resulted in a rootless phenotype. Reduced auxin levels, increased K3,7R in the middle and basal stem sections, and grafting experiments (intra and inter-species) indicated a disruption of auxin transport by K3,7R and its negative effect on AR development. Supplementation of flavonoids and the specific glycosides accumulated by Ok4CL11-OE to the wild-type N. benthamiana explants delayed the AR emergence and also inhibited AR growth. While overexpression of all three Ok4CLs increased lignin accumulation, flavonoids, and their specific glycosides were accumulated only in Ok4CL11-OE lines. In summary, our study reveals unique indirect function of Ok4CL11 to increase specific flavonoids and their glycosides, which are negative regulators of root growth, likely involved in inhibition of auxin transport and signaling.
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Affiliation(s)
- Santosh G Lavhale
- Plant Molecular Biology Unit, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Kirtikumar R Kondhare
- Plant Molecular Biology Unit, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Veenothini S Sinthadurai
- Plant Molecular Biology Unit, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Vitthal T Barvkar
- Department of Botany, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India
| | - Rutuja S Kale
- Plant Molecular Biology Unit, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Rakesh S Joshi
- Plant Molecular Biology Unit, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Ashok P Giri
- Plant Molecular Biology Unit, Biochemical Sciences Division, CSIR-National Chemical Laboratory, Pune, Maharashtra, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
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Molnar M, Jakovljević Kovač M, Pavić V. A Comprehensive Analysis of Diversity, Structure, Biosynthesis and Extraction of Biologically Active Tannins from Various Plant-Based Materials Using Deep Eutectic Solvents. Molecules 2024; 29:2615. [PMID: 38893491 PMCID: PMC11173854 DOI: 10.3390/molecules29112615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/27/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
This paper explores the emerging subject of extracting tannins from various plant sources using deep eutectic solvents (DESs). Tannins are widely used in the food and feed industries as they have outstanding antioxidant qualities and greatly enhance the flavor and nutritional content of a wide range of food products. Organic solvents are frequently used in traditional extraction techniques, which raises questions about their safety for human health and the environment. DESs present a prospective substitute because of their low toxicity, adaptability, and environmental friendliness. The fundamental ideas supporting the application of DESs in the extraction of tannins from a range of plant-based materials frequently used in daily life are all well covered in this paper. Furthermore, this paper covers the impact of extraction parameters on the yield of extracted tannins, as well as possible obstacles and directions for future research in this emerging subject. This includes challenges such as high viscosity, intricated recovery of compounds, thermal degradation, and the occurrence of esterification. An extensive summary of the diversity, structure, biosynthesis, distribution, and roles of tannins in plants is given in this paper. Additionally, this paper thoroughly examines various bioactivities of tannins and their metabolites.
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Affiliation(s)
- Maja Molnar
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, 31000 Osijek, Croatia; (M.M.); (M.J.K.)
| | - Martina Jakovljević Kovač
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, 31000 Osijek, Croatia; (M.M.); (M.J.K.)
| | - Valentina Pavić
- Department of Biology, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8/A, 31000 Osijek, Croatia
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11
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Chua J, Hanko EK, Yiakoumetti A, Stoney RA, Chromy J, Valdehuesa KNG, Hollywood KA, Yan C, Takano E, Breitling R. Bioproduction of methylated phenylpropenes and isoeugenol in Escherichia coli. Metab Eng Commun 2024; 18:e00237. [PMID: 38799229 PMCID: PMC11127157 DOI: 10.1016/j.mec.2024.e00237] [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: 10/25/2023] [Revised: 02/28/2024] [Accepted: 05/14/2024] [Indexed: 05/29/2024] Open
Abstract
Phenylpropenes are a class of natural products that are synthesised by a vast range of plant species and hold considerable promise in the flavour and fragrance industries. Many in vitro studies have been carried out to elucidate and characterise the enzymes responsible for the production of these volatile compounds. However, there is a scarcity of studies demonstrating the in vivo production of phenylpropenes in microbial cell factories. In this study, we engineered Escherichia coli to produce methylchavicol, methyleugenol and isoeugenol from their respective phenylacrylic acid precursors. We achieved this by extending and modifying a previously optimised heterologous pathway for the biosynthesis of chavicol and eugenol. We explored the potential of six S-adenosyl l-methionine (SAM)-dependent O-methyltransferases to produce methylchavicol and methyleugenol from chavicol and eugenol, respectively. Additionally, we examined two isoeugenol synthases for the production of isoeugenol from coniferyl acetate. The best-performing strains in this study were able to achieve titres of 13 mg L-1 methylchavicol, 59 mg L-1 methyleugenol and 361 mg L-1 isoeugenol after feeding with their appropriate phenylacrylic acid substrates. We were able to further increase the methyleugenol titre to 117 mg L-1 by supplementation with methionine to facilitate SAM recycling. Moreover, we report the biosynthesis of methylchavicol and methyleugenol from l-tyrosine through pathways involving six and eight enzymatic steps, respectively.
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Affiliation(s)
- Jeremy Chua
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Erik K.R. Hanko
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Andrew Yiakoumetti
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Ruth A. Stoney
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Jakub Chromy
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Kris Niño G. Valdehuesa
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Katherine A. Hollywood
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Cunyu Yan
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Eriko Takano
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
| | - Rainer Breitling
- Manchester Institute of Biotechnology, Faculty of Science and Engineering, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
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12
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Ni BB, Liu H, Wang ZS, Zhang GY, Sang ZY, Liu JJ, He CY, Zhang JG. A chromosome-scale genome of Rhus chinensis Mill. provides new insights into plant-insect interaction and gallotannins biosynthesis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 118:766-786. [PMID: 38271098 DOI: 10.1111/tpj.16631] [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: 07/21/2023] [Revised: 12/26/2023] [Accepted: 01/02/2024] [Indexed: 01/27/2024]
Abstract
Rhus chinensis Mill., an economically valuable Anacardiaceae species, is parasitized by the galling aphid Schlechtendalia chinensis, resulting in the formation of the Chinese gallnut (CG). Here, we report a chromosomal-level genome assembly of R. chinensis, with a total size of 389.40 Mb and scaffold N50 of 23.02 Mb. Comparative genomic and transcriptome analysis revealed that the enhanced structure of CG and nutritional metabolism contribute to improving the adaptability of R. chinensis to S. chinensis by supporting CG and galling aphid growth. CG was observed to be abundant in hydrolysable tannins (HT), particularly gallotannin and its isomers. Tandem repeat clusters of dehydroquinate dehydratase/shikimate dehydrogenase (DQD/SDH) and serine carboxypeptidase-like (SCPL) and their homologs involved in HT production were determined as specific to HT-rich species. The functional differentiation of DQD/SDH tandem duplicate genes and the significant contraction in the phenylalanine ammonia-lyase (PAL) gene family contributed to the accumulation of gallic acid and HT while minimizing the production of shikimic acid, flavonoids, and condensed tannins in CG. Furthermore, we identified one UDP glucosyltransferase (UGT84A), three carboxylesterase (CXE), and six SCPL genes from conserved tandem repeat clusters that are involved in gallotannin biosynthesis and hydrolysis in CG. We then constructed a regulatory network of these genes based on co-expression and transcription factor motif analysis. Our findings provide a genomic resource for the exploration of the underlying mechanisms of plant-galling insect interaction and highlight the importance of the functional divergence of tandem duplicate genes in the accumulation of secondary metabolites.
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Affiliation(s)
- Bing-Bing Ni
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, 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
| | - Hong Liu
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Zhao-Shan Wang
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Guo-Yun Zhang
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Zi-Yang Sang
- Forest Enterprise of Wufeng County in Hubei Province, Wufeng, 443400, Hubei, China
| | - Juan-Juan Liu
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, Research Institute of Forestry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Cai-Yun He
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, 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
| | - Jian-Guo Zhang
- State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of Tree Breeding and Cultivation, National Forestry and Grassland Administration, 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
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13
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Karimzadegan V, Koirala M, Sobhanverdi S, Merindol N, Majhi BB, Gélinas SE, Timokhin VI, Ralph J, Dastmalchi M, Desgagné-Penix I. Characterization of cinnamate 4-hydroxylase (CYP73A) and p-coumaroyl 3'-hydroxylase (CYP98A) from Leucojum aestivum, a source of Amaryllidaceae alkaloids. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 210:108612. [PMID: 38598867 DOI: 10.1016/j.plaphy.2024.108612] [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: 11/27/2023] [Revised: 03/29/2024] [Accepted: 04/04/2024] [Indexed: 04/12/2024]
Abstract
Biosynthesis of Amaryllidaceae alkaloids (AA) starts with the condensation of tyramine with 3,4-dihydroxybenzaldehyde. The latter derives from the phenylpropanoid pathway that involves modifications of trans-cinnamic acid, p-coumaric acid, caffeic acid, and possibly 4-hydroxybenzaldehyde, all potentially catalyzed by hydroxylase enzymes. Leveraging bioinformatics, molecular biology techniques, and cell biology tools, this research identifies and characterizes key enzymes from the phenylpropanoid pathway in Leucojum aestivum. Notably, we focused our work on trans-cinnamate 4-hydroxylase (LaeC4H) and p-coumaroyl shikimate/quinate 3'-hydroxylase (LaeC3'H), two key cytochrome P450 enzymes, and on the ascorbate peroxidase/4-coumarate 3-hydroxylase (LaeAPX/C3H). Although LaeAPX/C3H consumed p-coumaric acid, it did not result in the production of caffeic acid. Yeasts expressing LaeC4H converted trans-cinnamate to p-coumaric acid, whereas LaeC3'H catalyzed specifically the 3-hydroxylation of p-coumaroyl shikimate, rather than of free p-coumaric acid or 4-hydroxybenzaldehyde. In vivo assays conducted in planta in this study provided further evidence for the contribution of these enzymes to the phenylpropanoid pathway. Both enzymes demonstrated typical endoplasmic reticulum membrane localization in Nicotiana benthamiana adding spatial context to their functions. Tissue-specific gene expression analysis revealed roots as hotspots for phenylpropanoid-related transcripts and bulbs as hubs for AA biosynthetic genes, aligning with the highest AAs concentration. This investigation adds valuable insights into the phenylpropanoid pathway within Amaryllidaceae, laying the foundation for the development of sustainable production platforms for AAs and other bioactive compounds with diverse applications.
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Affiliation(s)
- Vahid Karimzadegan
- Department of Chemistry, Biochemistry and Physics, Université Du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Manoj Koirala
- Department of Chemistry, Biochemistry and Physics, Université Du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Sajjad Sobhanverdi
- Department of Chemistry, Biochemistry and Physics, Université Du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Natacha Merindol
- Department of Chemistry, Biochemistry and Physics, Université Du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Bharat Bhusan Majhi
- Department of Chemistry, Biochemistry and Physics, Université Du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Sarah-Eve Gélinas
- Department of Chemistry, Biochemistry and Physics, Université Du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada
| | - Vitaliy I Timokhin
- Department of Energy's Great Lakes Bioenergy Research Center, Wisconsin Energy Institute, Madison, WI, 53726, USA
| | - John Ralph
- Department of Energy's Great Lakes Bioenergy Research Center, Wisconsin Energy Institute, Madison, WI, 53726, USA; Department of Biochemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Mehran Dastmalchi
- Department of Plant Science, McGill University, Montréal, Québec, Canada
| | - Isabel Desgagné-Penix
- Department of Chemistry, Biochemistry and Physics, Université Du Québec à Trois-Rivières, Trois-Rivières, Québec, Canada.
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14
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Juárez ID, Dou T, Biswas S, Septiningsih EM, Kurouski D. Diagnosing arsenic-mediated biochemical responses in rice cultivars using Raman spectroscopy. FRONTIERS IN PLANT SCIENCE 2024; 15:1371748. [PMID: 38590750 PMCID: PMC10999542 DOI: 10.3389/fpls.2024.1371748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 03/05/2024] [Indexed: 04/10/2024]
Abstract
Rice (Oryza sativa) is the primary crop for nearly half of the world's population. Groundwater in many rice-growing parts of the world often has elevated levels of arsenite and arsenate. At the same time, rice can accumulate up to 20 times more arsenic compared to other staple crops. This places an enormous amount of people at risk of chronic arsenic poisoning. In this study, we investigated whether Raman spectroscopy (RS) could be used to diagnose arsenic toxicity in rice based on biochemical changes that were induced by arsenic accumulation. We modeled arsenite and arsenate stresses in four different rice cultivars grown in hydroponics over a nine-day window. Our results demonstrate that Raman spectra acquired from rice leaves, coupled with partial least squares-discriminant analysis, enabled accurate detection and identification of arsenic stress with approximately 89% accuracy. We also performed high-performance liquid chromatography (HPLC)-analysis of rice leaves to identify the key molecular analytes sensed by RS in confirming arsenic poisoning. We found that RS primarily detected a decrease in the concentration of lutein and an increase in the concentration of vanillic and ferulic acids due to the accumulation of arsenite and arsenate in rice. This showed that these molecules are detectable indicators of biochemical response to arsenic accumulation. Finally, a cross-correlation of RS with HPLC and ICP-MS demonstrated RS's potential for a label-free, non-invasive, and non-destructive quantification of arsenic accumulation in rice.
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Affiliation(s)
- Isaac D. Juárez
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX, United States
- Interdisciplinary Faculty of Toxicology, Texas A&M University, College Station, TX, United States
| | - Tianyi Dou
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX, United States
| | - Sudip Biswas
- Department of Soil and Crop Sciences, Texas A&M University, College Station, TX, United States
| | - Endang M. Septiningsih
- Department of Soil and Crop Sciences, Texas A&M University, College Station, TX, United States
| | - Dmitry Kurouski
- Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX, United States
- Interdisciplinary Faculty of Toxicology, Texas A&M University, College Station, TX, United States
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15
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Xing F, Zhang L, Ge W, Fan H, Tian C, Meng F. Comparative transcriptome analysis reveals the importance of phenylpropanoid biosynthesis for the induced resistance of 84K poplar to anthracnose. BMC Genomics 2024; 25:306. [PMID: 38519923 PMCID: PMC10960379 DOI: 10.1186/s12864-024-10209-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 03/11/2024] [Indexed: 03/25/2024] Open
Abstract
BACKGROUND Poplar anthracnose, which is one of the most important tree diseases, is primarily caused by Colletotrichum gloeosporioides, which has been detected in poplar plantations in China and is responsible for serious economic losses. The characteristics of 84K poplar that have made it one of the typical woody model plants used for investigating stress resistance include its rapid growth, simple reproduction, and adaptability. RESULTS In this study, we found that the resistance of 84K poplar to anthracnose varied considerably depending on how the samples were inoculated of the two seedlings in each tissue culture bottle, one (84K-Cg) was inoculated for 6 days, whereas the 84K-DCg samples were another seedling inoculated at the 6th day and incubated for another 6 days under the same conditions. It was showed that the average anthracnose spot diameter on 84K-Cg and 84K-DCg leaves was 1.23 ± 0.0577 cm and 0.67 ± 0.1154 cm, respectively. Based on the transcriptome sequencing analysis, it was indicated that the upregulated phenylpropanoid biosynthesis-related genes in 84K poplar infected with C. gloeosporioides, including genes encoding PAL, C4H, 4CL, HCT, CCR, COMT, F5H, and CAD, are also involved in other KEGG pathways (i.e., flavonoid biosynthesis and phenylalanine metabolism). The expression levels of these genes were lowest in 84K-Cg and highest in 84K-DCg. CONCLUSIONS It was found that PAL-related genes may be crucial for the induced resistance of 84K poplar to anthracnose, which enriched in the phenylpropanoid biosynthesis. These results will provide the basis for future research conducted to verify the contribution of phenylpropanoid biosynthesis to induced resistance and explore plant immune resistance-related signals that may regulate plant defense capabilities, which may provide valuable insights relevant to the development of effective and environmentally friendly methods for controlling poplar anthracnose.
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Affiliation(s)
- Fei Xing
- The Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, 100083, Beijing, China
- Beijing Key Laboratory for Forest Pest Control, College of Forestry, Beijing Forestry University, 100083, Beijing, China
| | - Linxuan Zhang
- The Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, 100083, Beijing, China
- Beijing Key Laboratory for Forest Pest Control, College of Forestry, Beijing Forestry University, 100083, Beijing, China
| | - Wei Ge
- The Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, 100083, Beijing, China
- Beijing Key Laboratory for Forest Pest Control, College of Forestry, Beijing Forestry University, 100083, Beijing, China
| | - Haixia Fan
- The Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, 100083, Beijing, China
- Beijing Key Laboratory for Forest Pest Control, College of Forestry, Beijing Forestry University, 100083, Beijing, China
| | - Chengming Tian
- The Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, 100083, Beijing, China
- Beijing Key Laboratory for Forest Pest Control, College of Forestry, Beijing Forestry University, 100083, Beijing, China
| | - Fanli Meng
- The Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, 100083, Beijing, China.
- Beijing Key Laboratory for Forest Pest Control, College of Forestry, Beijing Forestry University, 100083, Beijing, China.
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16
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Zhu Z, Chen R, Zhang L. Simple phenylpropanoids: recent advances in biological activities, biosynthetic pathways, and microbial production. Nat Prod Rep 2024; 41:6-24. [PMID: 37807808 DOI: 10.1039/d3np00012e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Covering: 2000 to 2023Simple phenylpropanoids are a large group of natural products with primary C6-C3 skeletons. They are not only important biomolecules for plant growth but also crucial chemicals for high-value industries, including fragrances, nutraceuticals, biomaterials, and pharmaceuticals. However, with the growing global demand for simple phenylpropanoids, direct plant extraction or chemical synthesis often struggles to meet current needs in terms of yield, titre, cost, and environmental impact. Benefiting from the rapid development of metabolic engineering and synthetic biology, microbial production of natural products from inexpensive and renewable sources provides a feasible solution for sustainable supply. This review outlines the biological activities of simple phenylpropanoids, compares their biosynthetic pathways in different species (plants, bacteria, and fungi), and summarises key research on the microbial production of simple phenylpropanoids over the last decade, with a focus on engineering strategies that seem to hold most potential for further development. Moreover, constructive solutions to the current challenges and future perspectives for industrial production of phenylpropanoids are presented.
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Affiliation(s)
- Zhanpin Zhu
- Department of Pharmaceutical Botany, School of Pharmacy, Naval Medical University, Shanghai 200433, China.
| | - Ruibing Chen
- Department of Pharmaceutical Botany, School of Pharmacy, Naval Medical University, Shanghai 200433, China.
| | - Lei Zhang
- Department of Pharmaceutical Botany, School of Pharmacy, Naval Medical University, Shanghai 200433, China.
- Institute of Interdisciplinary Integrative Medicine Research, Medical School of Nantong University, Nantong 226001, China
- Innovative Drug R&D Centre, College of Life Sciences, Huaibei Normal University, Huaibei 235000, China
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17
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Yao L, Wu X, Jiang X, Shan M, Zhang Z, Li Y, Yang A, Li Y, Yang C. Subcellular compartmentalization in the biosynthesis and engineering of plant natural products. Biotechnol Adv 2023; 69:108258. [PMID: 37722606 DOI: 10.1016/j.biotechadv.2023.108258] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 09/07/2023] [Accepted: 09/11/2023] [Indexed: 09/20/2023]
Abstract
Plant natural products (PNPs) are specialized metabolites with diverse bioactivities. They are extensively used in the pharmaceutical, cosmeceutical and food industries. PNPs are synthesized in plant cells by enzymes that are distributed in different subcellular compartments with unique microenvironments, such as ions, co-factors and substrates. Plant metabolic engineering is an emerging and promising approach for the sustainable production of PNPs, for which the knowledge of the subcellular compartmentalization of their biosynthesis is instrumental. In this review we describe the state of the art on the role of subcellular compartments in the biosynthesis of major types of PNPs, including terpenoids, phenylpropanoids, alkaloids and glucosinolates, and highlight the efforts to target biosynthetic pathways to subcellular compartments in plants. In addition, we will discuss the challenges and strategies in the field of plant synthetic biology and subcellular engineering. We expect that newly developed methods and tools, together with the knowledge gained from the microbial chassis, will greatly advance plant metabolic engineering.
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Affiliation(s)
- Lu Yao
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong 266100, China
| | - Xiuming Wu
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong 266100, China
| | - Xun Jiang
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong 266100, China
| | - Muhammad Shan
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong 266100, China
| | - Zhuoxiang Zhang
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong 266100, China
| | - Yiting Li
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong 266100, China
| | - Aiguo Yang
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong 266100, China
| | - Yu Li
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
| | - Changqing Yang
- Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao, Shandong 266100, China.
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18
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He Y, Hao Q, Chen P, Qin Y, Peng M, Yao S, He X, Yu Q, Agassin RH, Ji K. Cloning of PmMYB6 in Pinus massoniana and an Analysis of Its Function. Int J Mol Sci 2023; 24:13766. [PMID: 37762069 PMCID: PMC10530544 DOI: 10.3390/ijms241813766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/02/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Phenylpropanoids are crucial for the growth and development of plants and their interaction with the environment. As key transcriptional regulators of plant growth and development, MYB-like transcription factors play a vital role in the biosynthesis of phenylpropanoid metabolites. In this study, we functionally characterized PmMYB6, a Pinus massoniana gene that encodes an R2R3-MYB transcription factor. It was confirmed by qPCR that PmMYB6 was highly expressed in the flowers, xylem, and phloem of P. massoniana. By overexpressing PmMYB6 in tobacco and poplar, we found that transgenic plants had enlarged xylem, increased content of lignin and flavonoids, and up-regulated expression of several enzyme genes of the phenylpropane metabolism pathway to different degrees. The above research results indicate that PmMYB6 is involved in the metabolic flux distribution of different branches of the phenylpropane metabolic pathway, and the results may provide clues for the regulation of metabolic fluxes between flavonoids and the lignin biosynthesis pathways of P. massoniana, as well as provide a basis for the molecular breeding of P. massoniana.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Kongshu Ji
- State Key Laboratory of Tree Genetics and Breeding, Key Open Laboratory of Forest Genetics and Gene Engineering of National Forestry & Grassland Administration, Key Laboratory of Forestry Genetics & Biotechnology of Ministry of Education, Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China; (Y.H.); (Q.H.); (P.C.); (Y.Q.); (M.P.); (S.Y.); (X.H.); (Q.Y.); (R.H.A.)
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19
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Claude SJ, Raman G, Park SJ. Comparative Analysis and Identification of Terpene Synthase Genes in Convallaria keiskei Leaf, Flower and Root Using RNA-Sequencing Profiling. PLANTS (BASEL, SWITZERLAND) 2023; 12:2797. [PMID: 37570951 PMCID: PMC10421360 DOI: 10.3390/plants12152797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 08/13/2023]
Abstract
The 'Lilly of the Valley' species, Convallaria, is renowned for its fragrant white flowers and distinctive fresh and green floral scent, attributed to a rich composition of volatile organic compounds (VOCs). However, the molecular mechanisms underlying the biosynthesis of this floral scent remain poorly understood due to a lack of transcriptomic data. In this study, we conducted the first comparative transcriptome analysis of C. keiskei, encompassing the leaf, flower, and root tissues. Our aim was to investigate the terpene synthase (TPS) genes and differential gene expression (DEG) patterns associated with essential oil biosynthesis. Through de novo assembly, we generated a substantial number of unigenes, with the highest count in the root (146,550), followed by the flower (116,434) and the leaf (72,044). Among the identified unigenes, we focused on fifteen putative ckTPS genes, which are involved in the synthesis of mono- and sesquiterpenes, the key aromatic compounds responsible for the essential oil biosynthesis in C. keiskei. The expression of these genes was validated using quantitative PCR analysis. Both DEG and qPCR analyses revealed the presence of ckTPS genes in the flower transcriptome, responsible for the synthesis of various compounds such as geraniol, germacrene, kaurene, linalool, nerolidol, trans-ocimene and valencene. The leaf transcriptome exhibited genes related to the biosynthesis of kaurene and trans-ocimene. In the root, the identified unigenes were associated with synthesizing kaurene, trans-ocimene and valencene. Both analyses indicated that the genes involved in mono- and sesquiterpene biosynthesis are more highly expressed in the flower compared to the leaf and root. This comprehensive study provides valuable resources for future investigations aiming to unravel the essential oil-biosynthesis-related genes in the Convallaria genus.
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Affiliation(s)
| | | | - Seon-Joo Park
- Department of Life Sciences, Yeungnam University, Gyeongsan 38541, Gyeongbuk, Republic of Korea;
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20
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Bassolino L, Fulvio F, Pastore C, Pasini F, Gallina Toschi T, Filippetti I, Paris R. When Cannabis sativa L. Turns Purple: Biosynthesis and Accumulation of Anthocyanins. Antioxidants (Basel) 2023; 12:1393. [PMID: 37507932 PMCID: PMC10376404 DOI: 10.3390/antiox12071393] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/21/2023] [Accepted: 07/01/2023] [Indexed: 07/30/2023] Open
Abstract
Environmental cues elicit anthocyanin synthesis in plant vegetative and reproductive tissues. Their accumulation in different organs accounts for their diverse biological functions, mainly related to their antioxidant properties, and it depends on a temporally and spatially regulated mechanism controlled by the action of a well-known multi-transcription factor complex. Despite the highly recognizable value of Cannabis sativa L. as a natural biorefinery of phytochemicals, very little information is known on anthocyanin pigmentation in this species. In this work, a targeted quantification of anthocyanins via HPLC-MS/MS, combined with the transcriptional profile via RT-qPCR of genes encoding for structural and decorating enzymes and regulatory transcription factors in different C. sativa tissues, help gain insights into the anthocyanin pathway in this species. To the best of our knowledge, this is the first report on the identification of cyanidin-3-rutinoside (keracyanin) as the major anthocyanin in C. sativa vegetative and floral tissues. Keracyanin amounts were higher than in small berries, suggesting that Cannabis biomass is a valuable source of colored antioxidants to be exploited in diverse applications. Furthermore, a gene putatively encoding for an anthocyanin DTX35 type transporter and CsTTG1 were identified in silico and their transcriptional levels were assessed via RT-qPCR. The results allow us to provide the first model of anthocyanin regulation in C. sativa, opening a new research scenario in this species for both breeding purposes and phytochemical exploitation.
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Affiliation(s)
- Laura Bassolino
- CREA-Research Centre for Cereal and Industrial Crops, Via di Corticella 133, 40128 Bologna, Italy
| | - Flavia Fulvio
- CREA-Research Centre for Cereal and Industrial Crops, Via di Corticella 133, 40128 Bologna, Italy
| | - Chiara Pastore
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy
| | - Federica Pasini
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy
| | - Tullia Gallina Toschi
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy
| | - Ilaria Filippetti
- Department of Agricultural and Food Sciences, University of Bologna, 40127 Bologna, Italy
| | - Roberta Paris
- CREA-Research Centre for Cereal and Industrial Crops, Via di Corticella 133, 40128 Bologna, Italy
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21
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Vasilieva AR, Slynko NM, Tatarova LE, Efimov VM, Kuibida LV, Asbaganov SV, Peltek SE. A GC-MS Chemotaxonomic Study on Lipophilic Compounds in the Bark of S. aucuparia subsp. sibirica Trees from the Population Growing in Akademgorodok, Novosibirsk (Russia). Metabolites 2023; 13:768. [PMID: 37367925 DOI: 10.3390/metabo13060768] [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: 04/24/2023] [Revised: 06/13/2023] [Accepted: 06/16/2023] [Indexed: 06/28/2023] Open
Abstract
Determination of chemotypes and of their role in the polymorphism of populations is an important field in the research on secondary metabolites of plants. In the present study, by gas chromatography coupled with mass spectrometry, the composition of bark extracts from rowan S. aucuparia subsp. sibirica was determined for 16 trees growing within Akademgorodok of Novosibirsk, with bark samples collected both in winter and summer. Among 101 fully or partially identified metabolites, there are alkanes, alkenes, linear alcohols, fatty acids and their derivatives, phenols and their derivatives, prunasin and its parent and derivative compounds, polyprenes and their derivatives, cyclic diterpenes, and phytosterols. These compounds were grouped according to their biosynthesis pathways. Cluster analysis revealed two groups among the bark samples collected in winter and three groups among bark samples collected in summer. The key determinants of this clustering are the biosynthesis of metabolites via the cyanogenic pathway (especially potentially toxic prunasin) and their formation via the phytosterol pathway (especially potentially pharmacologically useful lupeol). It follows from the results that the presence of chemotypes having sharply different profiles of metabolites in a population from a small geographic area invalidates the practice of general sampling to obtain averaged data when a population is described. From the standpoint of possible industrial use or plant selection based on metabolomic data, it is possible to select specific sets of samples containing a minimal amount of potentially toxic compounds and the largest amount of potentially useful substances.
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Affiliation(s)
- Asya R Vasilieva
- Federal Research Center, Institute of Cytology and Genetics of SB RAS, 630090 Novosibirsk, Russia
- Kurchatov Genomic Center, Federal Research Center ICG, SB RAS, 630090 Novosibirsk, Russia
| | - Nikolay M Slynko
- Federal Research Center, Institute of Cytology and Genetics of SB RAS, 630090 Novosibirsk, Russia
- Kurchatov Genomic Center, Federal Research Center ICG, SB RAS, 630090 Novosibirsk, Russia
| | - Ljudmila E Tatarova
- Federal Research Center, Institute of Cytology and Genetics of SB RAS, 630090 Novosibirsk, Russia
- Kurchatov Genomic Center, Federal Research Center ICG, SB RAS, 630090 Novosibirsk, Russia
| | - Vadim M Efimov
- Federal Research Center, Institute of Cytology and Genetics of SB RAS, 630090 Novosibirsk, Russia
| | - Leonid V Kuibida
- Institute of Chemical Kinetics and Combustion of SB RAS, 630090 Novosibirsk, Russia
| | | | - Sergey E Peltek
- Federal Research Center, Institute of Cytology and Genetics of SB RAS, 630090 Novosibirsk, Russia
- Kurchatov Genomic Center, Federal Research Center ICG, SB RAS, 630090 Novosibirsk, Russia
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22
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Mahlare MJS, Husselmann L, Lewu MN, Bester C, Lewu FB, Caleb OJ. Analysis of the Differentially Expressed Proteins and Metabolic Pathways of Honeybush ( Cyclopia subternata) in Response to Water Deficit Stress. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12112181. [PMID: 37299160 DOI: 10.3390/plants12112181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 05/10/2023] [Accepted: 05/13/2023] [Indexed: 06/12/2023]
Abstract
Honeybush (Cyclopia spp.) is a rich source of antioxidant properties and phenolic compounds. Water availability plays a crucial role in plant metabolic processes, and it contributes to overall quality. Thus, this study aimed to investigate changes in molecular functions, cellular components, and biological processes of Cyclopia subternata exposed to different water stress conditions, which include well-watered (as Control, T1), semi-water stressed (T2), and water-deprived (T3) potted plants. Samples were also collected from a well-watered commercial farm first cultivated in 2013 (T13) and then cultivated in 2017 (T17) and 2019 (T19). Differentially expressed proteins extracted from C. subternata leaves were identified using LC-MS/MS spectrometry. A total of 11 differentially expressed proteins (DEPs) were identified using Fisher's exact test (p < 0.00100). Only α-glucan phosphorylase was found to be statistically common between T17 and T19 (p < 0.00100). Notably, α-glucan phosphorylase was upregulated in the older vegetation (T17) and downregulated in T19 by 1.41-fold. This result suggests that α-glucan phosphorylase was needed in T17 to support the metabolic pathway. In T19, five DEPs were upregulated, while the other six were downregulated. Based on gene ontology, the DEPs in the stressed plant were associated with cellular and metabolic processes, response to stimulus, binding, catalytic activity, and cellular anatomical entity. Differentially expressed proteins were clustered based on the Kyoto Encyclopedia of Genes and Genomes (KEGG), and sequences were linked to metabolic pathways via enzyme code and KEGG ortholog. Most proteins were involved in photosynthesis, phenylpropanoid biosynthesis, thiamine, and purine metabolism. This study revealed the presence of trans-cinnamate 4-monooxygenase, an intermediate for the biosynthesis of a large number of substances, such as phenylpropanoids and flavonoids.
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Affiliation(s)
- Mary-Jane S Mahlare
- Agricultural Research Council (ARC) Infruitec-Nietvoorbij, Stellenbosch 7599, South Africa
- Department of Agriculture, Faculty of Applied Sciences, Cape Peninsula University of Technology, Wellington Campus, Private Bag X8, Wellington 7654, South Africa
| | - Lizex Husselmann
- Department of Biotechnology, University of the Western Cape, Bellville 7535, South Africa
| | - Muinat N Lewu
- Agricultural Research Council (ARC) Infruitec-Nietvoorbij, Stellenbosch 7599, South Africa
| | - Cecilia Bester
- Agricultural Research Council (ARC) Infruitec-Nietvoorbij, Stellenbosch 7599, South Africa
| | - Francis B Lewu
- Department of Agriculture, Faculty of Applied Sciences, Cape Peninsula University of Technology, Wellington Campus, Private Bag X8, Wellington 7654, South Africa
| | - Oluwafemi James Caleb
- Africa Institute for Postharvest Technology, Faculty of AgriSciences, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
- Department of Horticultural Science, Faculty of AgriSciences, Stellenbosch University, Matieland 7602, South Africa
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23
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Qiao S, Ma J, Wang Y, Chen J, Kang Z, Bian Q, Chen J, Yin Y, Cao G, Zhao G, Yang G, Sun H, Yang Y. Integrated Transcriptome and Metabolome Analyses Reveal Details of the Molecular Regulation of Resistance to Stem Nematode in Sweet Potato. PLANTS (BASEL, SWITZERLAND) 2023; 12:2052. [PMID: 37653969 PMCID: PMC10221022 DOI: 10.3390/plants12102052] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/11/2023] [Accepted: 05/15/2023] [Indexed: 09/02/2023]
Abstract
Stem nematode disease can seriously reduce the yield of sweet potato (Ipomoea batatas (L.) Lam). To explore resistance mechanism to stem nematode in sweet potato, transcriptomes and metabolomes were sequenced and compared between two sweet potato cultivars, the resistant Zhenghong 22 and susceptible Longshu 9, at different times after stem nematode infection. In the transcriptional regulatory pathway, mitogen-activated protein kinase signaling was initiated in Zhenghong 22 at the early stage of infection to activate genes related to ethylene production. Stem nematode infection in Zhenghong 22 also triggered fatty acid metabolism and the activity of respiratory burst oxidase in the metabolic pathway, which further stimulated the glycolytic and shikimic pathways to provide raw materials for secondary metabolite biosynthesis. An integrated analysis of the secondary metabolic regulation pathway in the resistant cultivar Zhenghong 22 revealed the accumulation of tryptophan, phenylalanine, and tyrosine, leading to increased biosynthesis of phenylpropanoids and salicylic acid and enhanced activity of the alkaloid pathway. Stem nematode infection also activated the biosynthesis of terpenoids, abscisic acid, zeatin, indole, and brassinosteroid, resulting in improved resistance to stem nematode. Finally, analyses of the resistance regulation pathway and a weighted gene co-expression network analysis highlighted the importance of the genes itf14g17940 and itf12g18840, encoding a leucine-rich receptor-like protein and 1-aminocyclopropane-1-carboxylate synthase, respectively. These are candidate target genes for increasing the strength of the defense response. These results provide new ideas and a theoretical basis for understanding the mechanism of resistance to stem nematode in sweet potato.
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Affiliation(s)
- Shouchen Qiao
- Cereal Crop Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; (S.Q.); (Y.W.); (Z.K.); (Q.B.); (Y.Y.); (G.Y.)
| | - Jukui Ma
- Xuzhou Institute of Agricultural Sciences in Jiangsu Xuhuai Area, Xuzhou 221000, China; (J.M.); (J.C.)
| | - Yannan Wang
- Cereal Crop Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; (S.Q.); (Y.W.); (Z.K.); (Q.B.); (Y.Y.); (G.Y.)
| | - Jingwei Chen
- Xuzhou Institute of Agricultural Sciences in Jiangsu Xuhuai Area, Xuzhou 221000, China; (J.M.); (J.C.)
| | - Zhihe Kang
- Cereal Crop Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; (S.Q.); (Y.W.); (Z.K.); (Q.B.); (Y.Y.); (G.Y.)
| | - Qianqian Bian
- Cereal Crop Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; (S.Q.); (Y.W.); (Z.K.); (Q.B.); (Y.Y.); (G.Y.)
| | - Jinjin Chen
- Cereal Crop Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; (S.Q.); (Y.W.); (Z.K.); (Q.B.); (Y.Y.); (G.Y.)
| | - Yumeng Yin
- Cereal Crop Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; (S.Q.); (Y.W.); (Z.K.); (Q.B.); (Y.Y.); (G.Y.)
| | - Guozheng Cao
- Cereal Crop Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; (S.Q.); (Y.W.); (Z.K.); (Q.B.); (Y.Y.); (G.Y.)
| | - Guorui Zhao
- Cereal Crop Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; (S.Q.); (Y.W.); (Z.K.); (Q.B.); (Y.Y.); (G.Y.)
| | - Guohong Yang
- Cereal Crop Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; (S.Q.); (Y.W.); (Z.K.); (Q.B.); (Y.Y.); (G.Y.)
| | - Houjun Sun
- Xuzhou Institute of Agricultural Sciences in Jiangsu Xuhuai Area, Xuzhou 221000, China; (J.M.); (J.C.)
| | - Yufeng Yang
- Cereal Crop Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; (S.Q.); (Y.W.); (Z.K.); (Q.B.); (Y.Y.); (G.Y.)
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24
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Zhu S, Zhang X, Ren C, Xu X, Comes HP, Jiang W, Fu C, Feng H, Cai L, Hong D, Li K, Kai G, Qiu Y. Chromosome-level reference genome of Tetrastigma hemsleyanum (Vitaceae) provides insights into genomic evolution and the biosynthesis of phenylpropanoids and flavonoids. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 114:805-823. [PMID: 36864731 DOI: 10.1111/tpj.16169] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 02/11/2023] [Accepted: 02/23/2023] [Indexed: 05/27/2023]
Abstract
Here, we present a high-quality chromosome-scale genome assembly (2.19 Gb) and annotation of Tetrastigma hemsleyanum, a perennial herbaceous liana native to subtropical China with diverse medicinal applications. Approximately 73% of the genome was comprised of transposable elements (TEs), of which long terminal repeat retrotransposons (LTR-RTs) were a predominant group (69% of the genome). The genome size increase of T. hemsleyanum (relative to Vitis species) was mostly due to the proliferation of LTR-RTs. Of the different modes of gene duplication identified, transposed duplication (TRD) and dispersed duplication (DSD) were the predominant ones. Genes, particularly those involved in the phenylpropanoid-flavonoid (PF) pathway and those associated with therapeutic properties and environmental stress resistance, were significantly amplified through recent tandem duplications. We dated the divergence of two intraspecific lineages in Southwest (SW) versus Central-South-East (CSE) China to the late Miocene (approximately 5.2 million years ago). Of those, the former showed more upregulated genes and metabolites. Based on resequencing data of 38 individuals representing both lineages, we identified various candidate genes related to 'response to stimulus' and 'biosynthetic process', including ThFLS11, which is putatively involved in flavonoid accumulation. Overall, this study provides abundant genomic resources for future evolutionary, ecological, and functional genomics studies in T. hemsleyanum and related species.
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Affiliation(s)
- Shanshan Zhu
- Systematic & Evolutionary Botany and Biodiversity Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Xinyi Zhang
- Systematic & Evolutionary Botany and Biodiversity Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Chaoqian Ren
- Systematic & Evolutionary Botany and Biodiversity Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Xinhan Xu
- Hangzhou Sanyeqing Agricultural Science and Technology Co. LTD, Hangzhou, Zhejiang, 310058, China
| | - Hans Peter Comes
- Department of Environment & Biodiversity, Salzburg University, Salzburg, Austria
| | - Weimei Jiang
- Systematic & Evolutionary Botany and Biodiversity Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Chengxin Fu
- Systematic & Evolutionary Botany and Biodiversity Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Huixia Feng
- Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, Hubei, China
| | - Liming Cai
- Department of Integrative Biology, The University of Texas at Austin, Austin, TX, 78712, USA
| | - Deyuan Hong
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China
| | - Kunlun Li
- Laboratory of Medicinal Plant Biotechnology, College of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
| | - Guoyin Kai
- Laboratory of Medicinal Plant Biotechnology, College of Pharmacy, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China
| | - Yingxiong Qiu
- Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, Hubei, China
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25
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Mishra AK, Kocábek T, Nath VS, Khan A, Matoušek J, Hazzouri KM, Sudalaimuthuasari N, Krofta K, Ludwig-Müller J, Amiri KMA. The multifaceted roles of R2R3 transcription factor HlMYB7 in the regulation of flavonoid and bitter acids biosynthesis, development and biotic stress tolerance in hop (Humulus lupulus L.). PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 197:107636. [PMID: 36958151 DOI: 10.1016/j.plaphy.2023.03.013] [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: 12/07/2022] [Revised: 03/01/2023] [Accepted: 03/07/2023] [Indexed: 06/18/2023]
Abstract
Hop (Humulus lupulus) biosynthesizes the highly economically valuable secondary metabolites, which include flavonoids, bitter acids, polyphenols and essential oils. These compounds have important pharmacological properties and are widely implicated in the brewing industry owing to bittering flavor, floral aroma and preservative activity. Our previous studies documented that ternary MYB-bHLH-WD40 (MBW) and binary WRKY1-WD40 (WW) protein complexes transcriptionally regulate the accumulation of bitter acid (BA) and prenylflavonoids (PF). In the present study, we investigated the regulatory functions of the R2R3-MYB repressor HlMYB7 transcription factor, which contains a conserved N-terminal domain along with the repressive motif EAR, in regulating the PF- and BA-biosynthetic pathway and their accumulation in hop. Constitutive expression of HlMYB7 resulted in transcriptional repression of structural genes involved in the terminal steps of biosynthesis of PF and BA, as well as stunted growth, delayed flowering, and reduced tolerance to viroid infection in hop. Furthermore, yeast two-hybrid and transient reporter assays revealed that HlMYB7 targets both PF and BA pathway genes and suppresses MBW and WW protein complexes. Heterologous expression of HlMYB7 leads to down-regulation of structural genes of flavonoid pathway in Arabidopsis thaliana, including a decrease in anthocyanin content in Nicotiana tabacum. The combined results from functional and transcriptomic analyses highlight the important role of HlMYB7 in fine-tuning and balancing the accumulation of secondary metabolites at the transcriptional level, thus offer a plausible target for metabolic engineering in hop.
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Affiliation(s)
- Ajay Kumar Mishra
- Khalifa Centre for Genetic Engineering and Biotechnology, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
| | - Tomáš Kocábek
- Biology Centre, Czech Academy of Sciences, Institute of Plant Molecular Biology, Branišovská 31, 370 05, České Budějovice, Czech Republic.
| | - Vishnu Sukumari Nath
- Khalifa Centre for Genetic Engineering and Biotechnology, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
| | - Ahamed Khan
- Biology Centre, Czech Academy of Sciences, Institute of Plant Molecular Biology, Branišovská 31, 370 05, České Budějovice, Czech Republic
| | - Jaroslav Matoušek
- Biology Centre, Czech Academy of Sciences, Institute of Plant Molecular Biology, Branišovská 31, 370 05, České Budějovice, Czech Republic
| | - Khaled M Hazzouri
- Khalifa Centre for Genetic Engineering and Biotechnology, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
| | - Naganeeswaran Sudalaimuthuasari
- Khalifa Centre for Genetic Engineering and Biotechnology, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
| | - Karel Krofta
- Hop Research Institute, Co. Ltd, Kadaňská 2525, 438 46, Žatec, Czech Republic
| | | | - Khaled M A Amiri
- Khalifa Centre for Genetic Engineering and Biotechnology, United Arab Emirates University, Al Ain, 15551, United Arab Emirates.
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26
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Cornejal N, Pollack E, Kaur R, Persaud A, Plagianos M, Juliani HR, Simon JE, Zorde M, Priano C, Koroch A, Romero JAF. Antimicrobial and Antioxidant Properties of Theobroma cacao, Bourreria huanita, Eriobotrya japonica, and Elettaria cardamomum - Traditional Plants Used in Central America. JOURNAL OF MEDICINALLY ACTIVE PLANTS 2023; 12:1-17. [PMID: 38234988 PMCID: PMC10792510 DOI: 10.7275/wets-9869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
The search for alternative naturally occurring antimicrobial agents will always continue, especially when emerging diseases like COVID-19 provide an urgency to identify and develop safe and effective ways to prevent or treat these infections. The purpose of this study was to evaluate the potential antimicrobial activity as well as antioxidant properties of commercial samples from four traditional medicinal plants used in Central America: Theobroma cacao, Bourreria huanita, Eriobotrya japonica, and Elettaria cardamomum. Ethanolic extracts were prepared from commercial products derived from the seeds or flowers of these plants. Total phenolics and antioxidant activity were assessed using commercial kits. The cytotoxicity and antiviral activity against severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2) were evaluated using the XTT colorimetric assay and a SARS-CoV-2 delta pseudoviral model. The half-maximal cytotoxic concentration (CC50) and half-maximal effective concentration (EC50) were used to calculate the therapeutic index (TI). Additionally, the antibacterial activity against Escherichia coli and Staphylococcus epidermidis was tested using a spectrophotometric method. The extracts showed total phenolics in the range of 0.06 to 1.85 nM/μL catechin equivalents, with T. cacao bean extract showing the highest content. The antioxidant activity showed values between 0.02 and 0.44 mM Trolox equivalents. T. cacao bean extract showed the highest antioxidant activity. Most plant extracts showed zero to moderate selective antiviral activity; however, one T. cacao beans sample showed excellent antiviral activity against SARS-CoV-2 with a TI value of 30.3, and one sample of E. japonica showed selective antiviral activity with a TI value of 18.7. Significant inhibition of E. coli and S. epidermidis by an E. japonica ethanolic extract (p<0.001) was observed using a spectrophotometric method that monitors bacterial growth over time. Additionally, ethanolic extracts of E. cardamomum showed significant inhibition of S. epidermidis growth (p<0.001). The results warrant further investigation of the antimicrobial and antioxidant properties of these plant extracts.
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Affiliation(s)
- Nadjet Cornejal
- Borough of Manhattan Community College, City University of New York, New York, NY 10007
- Brooklyn College, City University of New York, New York, NY, 11210
| | - Evian Pollack
- Borough of Manhattan Community College, City University of New York, New York, NY 10007
| | - Rajvinder Kaur
- Borough of Manhattan Community College, City University of New York, New York, NY 10007
| | - Ashanna Persaud
- Borough of Manhattan Community College, City University of New York, New York, NY 10007
| | - Marlena Plagianos
- Center for Biomedical Research, Population Council, New York, NY, 10065
| | - H. Rodolfo Juliani
- New Use Agriculture and Natural Plant Products, Department of Plant Biology, Rutgers University, NJ, 08901
| | - James E. Simon
- New Use Agriculture and Natural Plant Products, Department of Plant Biology, Rutgers University, NJ, 08901
| | - Martin Zorde
- New Use Agriculture and Natural Plant Products, Department of Plant Biology, Rutgers University, NJ, 08901
| | - Christine Priano
- Borough of Manhattan Community College, City University of New York, New York, NY 10007
| | - Adolfina Koroch
- Borough of Manhattan Community College, City University of New York, New York, NY 10007
| | - José A. Fernández Romero
- Borough of Manhattan Community College, City University of New York, New York, NY 10007
- Center for Biomedical Research, Population Council, New York, NY, 10065
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27
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Olędzka AJ, Czerwińska ME. Role of Plant-Derived Compounds in the Molecular Pathways Related to Inflammation. Int J Mol Sci 2023; 24:ijms24054666. [PMID: 36902097 PMCID: PMC10003729 DOI: 10.3390/ijms24054666] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 03/04/2023] Open
Abstract
Inflammation is the primary response to infection and injury. Its beneficial effect is an immediate resolution of the pathophysiological event. However, sustained production of inflammatory mediators such as reactive oxygen species and cytokines may cause alterations in DNA integrity and lead to malignant cell transformation and cancer. More attention has recently been paid to pyroptosis, which is an inflammatory necrosis that activates inflammasomes and the secretion of cytokines. Taking into consideration that phenolic compounds are widely available in diet and medicinal plants, their role in the prevention and support of the treatment of chronic diseases is apparent. Recently, much attention has been paid to explaining the significance of isolated compounds in the molecular pathways related to inflammation. Therefore, this review aimed to screen reports concerning the molecular mode of action assigned to phenolic compounds. The most representative compounds from the classes of flavonoids, tannins, phenolic acids, and phenolic glycosides were selected for this review. Our attention was focused mainly on nuclear factor-κB (NF-κB), nuclear factor erythroid 2-related factor 2 (Nrf2), and mitogen-activated protein kinase (MAPK) signaling pathways. Literature searching was performed using Scopus, PubMed, and Medline databases. In conclusion, based on the available literature, phenolic compounds regulate NF-κB, Nrf2, and MAPK signaling, which supports their potential role in chronic inflammatory disorders, including osteoarthritis, neurodegenerative diseases, cardiovascular, and pulmonary disorders.
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Affiliation(s)
- Agata J. Olędzka
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha Str., 02-097 Warsaw, Poland
- Centre for Preclinical Research, Medical University of Warsaw, 1B Banacha Str., 02-097 Warsaw, Poland
| | - Monika E. Czerwińska
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha Str., 02-097 Warsaw, Poland
- Centre for Preclinical Research, Medical University of Warsaw, 1B Banacha Str., 02-097 Warsaw, Poland
- Correspondence: ; Tel.: +48-22-116-61-85
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28
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Zhang FB, Ji SX, Yang JG, Wang XW, Han WH. Genome-wide analysis of MYB family in Nicotiana benthamiana and the functional role of the key members in resistance to Bemisia tabaci. Int J Biol Macromol 2023; 235:123759. [PMID: 36812971 DOI: 10.1016/j.ijbiomac.2023.123759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 02/06/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023]
Abstract
MYB transcription factors (TFs) play a key role in plant resistance to abiotic and biotical stresses. However, little is currently known about their involvement in the plant defense to piercing-sucking insects. Here, we studied the MYB TFs that responded to and resisted Bemisia tabaci whitefly in the model plant Nicotiana benthamiana. Firstly, a total of 453 NbMYB TFs in N. benthamiana genome were identified and 182 R2R3-MYB TFs were analyzed for molecular characteristics, phylogenetic analysis, genetic structure, motif composition, and cis-elements. Then, six stress-related NbMYB genes were selected for further study. The expression pattern shows they were highly expressed in mature leaves and intensively induced upon whitefly attack. Combined with bioinformatic analysis, overexpression, β-Glucuronidase (GUS) assay, and virus-induced silencing tests, we determined the transcriptional regulation of these NbMYBs on the genes in lignin biosynthesis and SA-signaling pathways. Meanwhile, we tested the performance of whitefly on plants with increased or silenced NbMYB genes expression and found that NbMYB42, NbMYB107, NbMYB163, and NbMYB423 were resistant to whitefly. Our results contribute to a comprehensive understanding of the MYB TFs in N. benthamiana. Furthermore, our findings will facilitate further studies on the role of MYB TFs in the interaction between plants and piercing-sucking insects.
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Affiliation(s)
- Feng-Bin Zhang
- State Key Laboratory of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
| | - Shun-Xia Ji
- State Key Laboratory of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jin-Guang Yang
- Key Laboratory of Tobacco Pest Monitoring, Controlling & Integrated Management, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Xiao-Wei Wang
- State Key Laboratory of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
| | - Wen-Hao Han
- State Key Laboratory of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China.
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29
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Demurtas OC, Nicolia A, Diretto G. Terpenoid Transport in Plants: How Far from the Final Picture? PLANTS (BASEL, SWITZERLAND) 2023; 12:634. [PMID: 36771716 PMCID: PMC9919377 DOI: 10.3390/plants12030634] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/20/2023] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
Contrary to the biosynthetic pathways of many terpenoids, which are well characterized and elucidated, their transport inside subcellular compartments and the secretion of reaction intermediates and final products at the short- (cell-to-cell), medium- (tissue-to-tissue), and long-distance (organ-to-organ) levels are still poorly understood, with some limited exceptions. In this review, we aim to describe the state of the art of the transport of several terpene classes that have important physiological and ecological roles or that represent high-value bioactive molecules. Among the tens of thousands of terpenoids identified in the plant kingdom, only less than 20 have been characterized from the point of view of their transport and localization. Most terpenoids are secreted in the apoplast or stored in the vacuoles by the action of ATP-binding cassette (ABC) transporters. However, little information is available regarding the movement of terpenoid biosynthetic intermediates from plastids and the endoplasmic reticulum to the cytosol. Through a description of the transport mechanisms of cytosol- or plastid-synthesized terpenes, we attempt to provide some hypotheses, suggestions, and general schemes about the trafficking of different substrates, intermediates, and final products, which might help develop novel strategies and approaches to allow for the future identification of terpenoid transporters that are still uncharacterized.
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Affiliation(s)
- Olivia Costantina Demurtas
- Biotechnology and Agro-Industry Division, Biotechnology Laboratory, Casaccia Research Center, ENEA—Italian National Agency for New Technologies, Energy and Sustainable Economic Development, 00123 Rome, Italy
| | - Alessandro Nicolia
- Council for Agricultural Research and Economics, Research Centre for Vegetable and Ornamental Crops, via Cavalleggeri 25, 84098 Pontecagnano Faiano, Italy
| | - Gianfranco Diretto
- Biotechnology and Agro-Industry Division, Biotechnology Laboratory, Casaccia Research Center, ENEA—Italian National Agency for New Technologies, Energy and Sustainable Economic Development, 00123 Rome, Italy
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30
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Wan Saidin WA, Jantan I, Abdul Wahab SM, Jalil J, Mohd Said M, Yusoff SD, Husain K. Pharmacological activities and mechanisms of action of hypophyllanthin: A review. Front Pharmacol 2023; 13:1070557. [PMID: 36699081 PMCID: PMC9868173 DOI: 10.3389/fphar.2022.1070557] [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: 10/15/2022] [Accepted: 12/23/2022] [Indexed: 01/11/2023] Open
Abstract
Hypophyllanthin is a major lignan present in various Phyllanthus species and has been used as one of the bioactive chemical markers for quality control purposes as it contributes to their diverse pharmacological activities. The objective of this study is to compile up-to-date data on the pharmacological actions and mechanisms of hypophyllanthin. This review also includes the extracts of Phyllanthus species whose pharmacological actions have been partially attributed to hypophyllanthin. The scientific findings on the compound are critically analyzed and its potential as a lead molecule for the discovery of drug candidates for the development of therapeutics to treat diverse diseases is highlighted. Data collection was mainly through the exploration of Ovid-MEDLINE, Scopus, Science Direct, and Elsevier databases. Studies conducted in vitro and in vivo showed that hypophyllanthin had potent immunomodulating properties as well as a variety of other pharmacological properties, including anti-inflammatory, hepatoprotective, anti-tumor, anti-allergic, anti-hypertensive, and phytoestrogenic properties. Several mechanisms of action on the effects of hypophyllanthin on the immune system, in cancer and other disease states, were presented to provide some insights into its pharmacological effects. Before being submitted to clinical investigations, additional animal studies utilising different animal models are necessary to analyse its bioavailability, pharmacokinetics, and pharmacodynamic properties, as well as its toxicity, to determine its efficacy and safety. Understanding its potential as a lead molecule for the discovery of therapeutic candidates, particularly for the development of therapies for inflammatory and immune-related disorders, requires an understanding of its pharmacological activities and mechanisms of action. An insight into its pharmacological activities and mechanisms of action will provide an understanding of its potential as a lead compound for the discovery of drug candidates, especially for the development of therapies for inflammatory and immune related diseases.
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Affiliation(s)
- Wan Azmira Wan Saidin
- Centre for Drug and Herbal Development, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Ibrahim Jantan
- Institute of Systems Biology, Universiti Kebangsaan Malaysia, Selangor, Malaysia
| | - Siti Mariam Abdul Wahab
- Centre for Drug and Herbal Development, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Juriyati Jalil
- Centre for Drug and Herbal Development, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Mazlina Mohd Said
- Centre for Drug and Herbal Development, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Syaratul Dalina Yusoff
- Centre for Drug and Herbal Development, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Khairana Husain
- Centre for Drug and Herbal Development, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia,*Correspondence: Khairana Husain,
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Lima LGAD, Ferreira SS, Simões MS, Cunha LXD, Fernie AR, Cesarino I. Comprehensive expression analyses of the ABCG subfamily reveal SvABCG17 as a potential transporter of lignin monomers in the model C4 grass Setaria viridis. JOURNAL OF PLANT PHYSIOLOGY 2023; 280:153900. [PMID: 36525838 DOI: 10.1016/j.jplph.2022.153900] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 12/07/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
Although several aspects of lignin metabolism have been extensively characterized, the mechanism(s) by which lignin monomers are transported across the plasma membrane remains largely unknown. Biochemical, proteomic, expression and co-expression analyses from several plant species support the involvement of active transporters, mainly those belonging to the ABC superfamily. Here, we report on the genome-wide characterization of the ABCG gene subfamily in the model C4 grass Setaria viridis and further identification of the members potentially involved in monolignol transport. A total of 48 genes encoding SvABCGs were found in the S. viridis genome, from which 21 SvABCGs were classified as full-size transporters and 27 as half-size transporters. Comprehensive analysis of the ABCG subfamily in S. viridis based on expression and co-expression analyses support a role for SvABCG17 in monolignol transport: (i) SvABCG17 is orthologous to AtABCG29, a monolignol transporter in Arabidopsis thaliana; (ii) SvABCG17 displays a similar expression profile to that of lignin biosynthetic genes in a set of different S. viridis tissues and along the elongating internode; (iii) SvABCG17 is highly co-expressed with lignin-related genes in a public transcriptomic database; (iv) SvABCG17displays particularly high expression in the top of the S. viridis elongating internode, a tissue undergoing active lignification; (v) SvABCG17 mRNA localization coincides with the histochemical pattern of lignin deposition; and (vi) the promoter of SvABCG17 is activated by secondary cell wall-associated transcription factors, especially by lignin-specific activators of the MYB family. Further studies might reveal further aspects of this potential monolignol transporter, including its real substrate specificity and whether it works redundantly with other ABC members during S. viridis lignification.
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Affiliation(s)
- Leydson Gabriel Alves de Lima
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, 277, 05508-090, São Paulo, Brazil
| | - Sávio Siqueira Ferreira
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, 277, 05508-090, São Paulo, Brazil
| | - Marcella Siqueira Simões
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, 277, 05508-090, São Paulo, Brazil
| | - Lucas Xavier da Cunha
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, 277, 05508-090, São Paulo, Brazil
| | - Alisdair R Fernie
- Max Planck Institute of Molecular Plant Physiology, 14476, Potsdam-Golm, Germany
| | - Igor Cesarino
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, 277, 05508-090, São Paulo, Brazil; Synthetic and Systems Biology Center, InovaUSP, Avenida Professor Lucio Martins Rodrigues, 370, 05508-020, São Paulo, Brazil.
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32
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Vlaminck L, De Rouck B, Desmet S, Van Gerrewey T, Goeminne G, De Smet L, Storme V, Kyndt T, Demeestere K, Gheysen G, Inzé D, Vanholme B, Depuydt S. Opposing effects of trans- and cis-cinnamic acid during rice coleoptile elongation. PLANT DIRECT 2022; 6:e465. [PMID: 36545006 PMCID: PMC9763633 DOI: 10.1002/pld3.465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 10/29/2022] [Accepted: 11/01/2022] [Indexed: 06/17/2023]
Abstract
The phenylpropanoid cinnamic acid (CA) is a plant metabolite that can occur under a trans- or cis-form. In contrast to the proven bioactivity of the cis-form (c-CA), the activity of trans-CA (t-CA) is still a matter of debate. We tested both compounds using a submerged rice coleoptile assay and demonstrated that they have opposite effects on cell elongation. Notably, in the tip of rice coleoptile t-CA showed an inhibiting and c-CA a stimulating activity. By combining transcriptomics and (untargeted) metabolomics with activity assays and genetic and pharmacological experiments, we aimed to explain the underlying mechanistic processes. We propose a model in which c-CA treatment activates proton pumps and stimulates acidification of the apoplast, which in turn leads to the loosening of the cell wall, necessary for elongation. We hypothesize that c-CA also inactivates auxin efflux transporters, which might cause a local auxin accumulation in the tip of the coleoptile. For t-CA, the phenotype can partially be explained by a stimulation of cell wall polysaccharide feruloylation, leading to a more rigid cell wall. Metabolite profiling also demonstrated that salicylic acid (SA) derivatives are increased upon t-CA treatment. As SA is a known antagonist of auxin, the shift in SA homeostasis provides an additional explanation of the observed t-CA-mediated restriction on cell growth.
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Affiliation(s)
- Lena Vlaminck
- Department of Plant Biotechnology and BioinformaticsGhent UniversityGhentBelgium
- VIB‐UGent Center for Plant Systems BiologyGhentBelgium
- Laboratory of Plant Growth AnalysisGhent University Global CampusIncheonSouth Korea
| | - Brix De Rouck
- Laboratory of Plant Growth AnalysisGhent University Global CampusIncheonSouth Korea
| | | | - Thijs Van Gerrewey
- Laboratory of Plant Growth AnalysisGhent University Global CampusIncheonSouth Korea
| | | | - Lien De Smet
- Department of BiotechnologyGhent UniversityGhentBelgium
| | - Veronique Storme
- Department of Plant Biotechnology and BioinformaticsGhent UniversityGhentBelgium
- VIB‐UGent Center for Plant Systems BiologyGhentBelgium
| | - Tina Kyndt
- Department of BiotechnologyGhent UniversityGhentBelgium
| | - Kristof Demeestere
- Department of Green Chemistry and TechnologyGhent UniversityGhentBelgium
| | | | - Dirk Inzé
- Department of Plant Biotechnology and BioinformaticsGhent UniversityGhentBelgium
- VIB‐UGent Center for Plant Systems BiologyGhentBelgium
| | - Bartel Vanholme
- Department of Plant Biotechnology and BioinformaticsGhent UniversityGhentBelgium
- VIB‐UGent Center for Plant Systems BiologyGhentBelgium
| | - Stephen Depuydt
- Department of Plant Biotechnology and BioinformaticsGhent UniversityGhentBelgium
- VIB‐UGent Center for Plant Systems BiologyGhentBelgium
- Laboratory of Plant Growth AnalysisGhent University Global CampusIncheonSouth Korea
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Vasyutkina EA, Yugay YA, Grigorchuk VP, Grishchenko OV, Sorokina MR, Yaroshenko YL, Kudinova OD, Stepochkina VD, Bulgakov VP, Shkryl YN. Effect of Stress Signals and Ib-rolB/C Overexpression on Secondary Metabolite Biosynthesis in Cell Cultures of Ipomoea batatas. Int J Mol Sci 2022; 23:ijms232315100. [PMID: 36499423 PMCID: PMC9740395 DOI: 10.3390/ijms232315100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/25/2022] [Accepted: 11/29/2022] [Indexed: 12/04/2022] Open
Abstract
Ipomoea batatas is a vital root crop and a source of caffeoylquinic acid derivatives (CQAs) with potential health-promoting benefits. As a naturally transgenic plant, I. batatas contains cellular T-DNA (cT-DNA) sequence homologs of the Agrobacterium rhizogenes open reading frame (ORF)14, ORF17n, rooting locus (Rol)B/RolC, ORF13, and ORF18/ORF17n of unknown function. This study aimed to evaluate the effect of abiotic stresses (temperature, ultraviolet, and light) and chemical elicitors (methyl jasmonate, salicylic acid, and sodium nitroprusside) on the biosynthesis of CQAs and cT-DNA gene expression in I. batatas cell culture as a model system. Among all the applied treatments, ultraviolet irradiation, methyl jasmonate, and salicylic acid caused the maximal accumulation of secondary compounds. We also discovered that I. batatas cT-DNA genes were not expressed in cell culture, and the studied conditions weakly affected their transcriptional levels. However, the Ib-rolB/C gene expressed under the strong 35S CaMV promoter increased the CQAs content by 1.5-1.9-fold. Overall, our results show that cT-DNA-encoded transgenes are not involved in stress- and chemical elicitor-induced CQAs accumulation in cell cultures of I. batatas. Nevertheless, overaccumulation of RolB/RolC transcripts potentiates the secondary metabolism of sweet potatoes through a currently unknown mechanism. Our study provides new insights into the molecular mechanisms linked with CQAs biosynthesis in cell culture of naturally transgenic food crops, i.e., sweet potato.
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Affiliation(s)
- Elena A. Vasyutkina
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch, Russian Academy of Sciences, Vladivostok 690022, Russia
| | - Yulia A. Yugay
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch, Russian Academy of Sciences, Vladivostok 690022, Russia
| | - Valeria P. Grigorchuk
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch, Russian Academy of Sciences, Vladivostok 690022, Russia
| | - Olga V. Grishchenko
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch, Russian Academy of Sciences, Vladivostok 690022, Russia
| | - Maria R. Sorokina
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch, Russian Academy of Sciences, Vladivostok 690022, Russia
| | - Yulia L. Yaroshenko
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch, Russian Academy of Sciences, Vladivostok 690022, Russia
| | - Olesya D. Kudinova
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch, Russian Academy of Sciences, Vladivostok 690022, Russia
| | - Varvara D. Stepochkina
- Advanced Engineering School, Institute of Biotechnology, Bioengineering and Food Systems, Far Eastern Federal University, 10 Ajax Bay, Russky Island, Vladivostok 690922, Russia
| | - Victor P. Bulgakov
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch, Russian Academy of Sciences, Vladivostok 690022, Russia
| | - Yury N. Shkryl
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far East Branch, Russian Academy of Sciences, Vladivostok 690022, Russia
- Correspondence: ; Tel.: +7-4232-312129; Fax: +7-4232-310193
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Bouaicha O, Tiziani R, Maver M, Lucini L, Miras-Moreno B, Zhang L, Trevisan M, Cesco S, Borruso L, Mimmo T. Plant species-specific impact of polyethylene microspheres on seedling growth and the metabolome. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 840:156678. [PMID: 35710005 DOI: 10.1016/j.scitotenv.2022.156678] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 06/08/2022] [Accepted: 06/09/2022] [Indexed: 06/15/2023]
Abstract
Microplastics (MPs) are ubiquitous contaminants. In recent decades, the hazardous impacts of MPs on the environment have raised significant concern. However, little attention has been focused on the interaction between MPs and plants in terrestrial agroecosystems. This study aims to investigate the effects of polyethylene microspheres (PE-MS) on the germination, morphology, and metabolism of barley (Hordeum vulgare L.), cucumber (Cucumis sativus L.), and tomato (Solanum lycopersicum L.). Specifically, seeds were soaked in PE-MS solutions at three concentrations (10, 100, and 1000 mg L-1), while control seeds were treated with distilled water. After five days, the morphological parameters of barley (i.e., shoot and root biomass, length, and average diameter) were significantly affected by PE-MS treatment, even at the lowest concentration, without a dose dependency. On the other hand, the effect of PE-MS on the morphological parameters of cucumber and tomato was evident only at the highest concentration (1000 mg L-1). PE-MS also induced metabolomic reprogramming of shoots and roots in all three plant species. There was a downregulation of fatty acids and secondary metabolites (except in tomato shoots). In addition, the response of amino acids and hormones was highly heterogeneous among species and plant parts. In particular, the response of metabolites changed within species among different plant parts. In conclusion, we found a strong influence of MS-PE on the metabolic profile of the three plant species and a positive priming of seedling growth, especially in barley, where all the morphological parameters considered were significantly improved. Further investigations are needed to fully understand the mechanisms underlying MP-plant interactions, especially in the long term.
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Affiliation(s)
- Oussama Bouaicha
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Bolzano, Italy
| | - Raphael Tiziani
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Bolzano, Italy
| | - Mauro Maver
- Competence Centre for Plant Health, Free University of Bozen-Bolzano, Bolzano, Italy
| | - Luigi Lucini
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Begoña Miras-Moreno
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Leilei Zhang
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Marco Trevisan
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy
| | - Stefano Cesco
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Bolzano, Italy
| | - Luigimaria Borruso
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Bolzano, Italy.
| | - Tanja Mimmo
- Faculty of Science and Technology, Free University of Bozen-Bolzano, Bolzano, Italy; Competence Centre for Plant Health, Free University of Bozen-Bolzano, Bolzano, Italy.
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35
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Therapeutic Potential and Mechanisms of Novel Simple O-Substituted Isoflavones against Cerebral Ischemia Reperfusion. Int J Mol Sci 2022; 23:ijms231810394. [PMID: 36142301 PMCID: PMC9498989 DOI: 10.3390/ijms231810394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/02/2022] [Accepted: 09/06/2022] [Indexed: 11/17/2022] Open
Abstract
Isoflavones have been widely studied and have attracted extensive attention in fields ranging from chemotaxonomy and plant physiology to human nutrition and medicine. Isoflavones are often divided into three subgroups: simple O-substituted derivatives, prenylated derivatives, and glycosides. Simple O-substituted isoflavones and their glycosides, such as daidzein (daidzin), genistein (genistin), glycitein (glycitin), biochanin A (astroside), and formononetin (ononin), are the most common ingredients in legumes and are considered as phytoestrogens for daily dietary hormone replacement therapy due to their structural similarity to 17-β-estradiol. On the basis of the known estrogen-like potency, these above isoflavones possess multiple pharmacological activities such as antioxidant, anti-inflammatory, anticancer, anti-angiogenetic, hepatoprotective, antidiabetic, antilipidemic, anti-osteoporotic, and neuroprotective activities. However, there are very few review studies on the protective effects of these novel isoflavones and their related compounds in cerebral ischemia reperfusion. This review primarily focuses on the biosynthesis, metabolism, and neuroprotective mechanism of these aforementioned novel isoflavones in cerebral ischemia reperfusion. From these published works in in vitro and in vivo studies, simple O-substituted isoflavones could serve as promising therapeutic compounds for the prevention and treatment of cerebral ischemia reperfusion via their estrogenic receptor properties and neuron-modulatory, antioxidant, anti-inflammatory, and anti-apoptotic effects. The detailed mechanism of the protective effects of simple O-substituted isoflavones against cerebral ischemia reperfusion might be related to the PI3K/AKT/ERK/mTOR or GSK-3β pathway, eNOS/Keap1/Nrf-2/HO-1 pathway, TLRs/TIRAP/MyD88/NFκ-B pathway, and Bcl-2-regulated anti-apoptotic pathway. However, clinical trials are needed to verify their potential on cerebral ischemia reperfusion because past studies were conducted with rodents and prophylactic administration.
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Bioactive Compounds and Antioxidant Properties with Involved Mechanisms of Eugenia involucrata DC Fruits. Antioxidants (Basel) 2022; 11:antiox11091769. [PMID: 36139843 PMCID: PMC9495894 DOI: 10.3390/antiox11091769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/02/2022] [Accepted: 09/05/2022] [Indexed: 11/16/2022] Open
Abstract
In this study, the phytochemical profile and the antioxidative properties of Eugenia involucrata fruits were evaluated. Spectrophotometric assays indicated that these berries are a rich source of polyphenols with very high radical-scavenging and metal-reducing activities. High-performance liquid chromatography–Orbitrap analysis was able to carry out the annotation of 36 different compounds, mainly belonging to the flavonol, flavan-3-ol, and anthocyanin families. Antioxidant activity of the fruit extract was evaluated in a cell-based lipid peroxidation model. Obtained data showed that the extract, at very low concentration, was able to prevent oxidative damage in HepG2 cells exposed to oxidative stimuli. Moreover, the evaluation of the gene expression of the most important antioxidant enzymes suggested that the observed antioxidant protection in cells also involves an improvement in enzymatic antioxidant defenses. Finally, the collected data show that E. involucrata fruits are a good source of natural antioxidant molecules and provide evidence of their potential application in the nutraceutical field.
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Serra O, Geldner N. The making of suberin. THE NEW PHYTOLOGIST 2022; 235:848-866. [PMID: 35510799 PMCID: PMC9994434 DOI: 10.1111/nph.18202] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 04/15/2022] [Indexed: 05/27/2023]
Abstract
Outer protective barriers of animals use a variety of bio-polymers, based on either proteins (e.g. collagens), or modified sugars (e.g. chitin). Plants, however, have come up with a particular solution, based on the polymerisation of lipid-like precursors, giving rise to cutin and suberin. Suberin is a structural lipophilic polyester of fatty acids, glycerol and some aromatics found in cell walls of phellem, endodermis, exodermis, wound tissues, abscission zones, bundle sheath and other tissues. It deposits as a hydrophobic layer between the (ligno)cellulosic primary cell wall and plasma membrane. Suberin is highly protective against biotic and abiotic stresses, shows great developmental plasticity and its chemically recalcitrant nature might assist the sequestration of atmospheric carbon by plants. The aim of this review is to integrate the rapidly accelerating genetic and cell biological discoveries of recent years with the important chemical and structural contributions obtained from very diverse organisms and tissue layers. We critically discuss the order and localisation of the enzymatic machinery synthesising the presumed substrates for export and apoplastic polymerisation. We attempt to explain observed suberin linkages by diverse enzyme activities and discuss the spatiotemporal relationship of suberin with lignin and ferulates, necessary to produce a functional suberised cell wall.
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Affiliation(s)
- Olga Serra
- Laboratori del SuroDepartment of BiologyUniversity of GironaCampus MontiliviGirona17003Spain
| | - Niko Geldner
- Department of Plant Molecular BiologyUniversity of LausanneUNIL‐Sorge, Biophore BuildingLausanne1015Switzerland
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CRISPRi-Mediated Down-Regulation of the Cinnamate-4-Hydroxylase (C4H) Gene Enhances the Flavonoid Biosynthesis in Nicotiana tabacum. BIOLOGY 2022; 11:biology11081127. [PMID: 36009753 PMCID: PMC9404795 DOI: 10.3390/biology11081127] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 07/23/2022] [Accepted: 07/26/2022] [Indexed: 11/17/2022]
Abstract
Simple Summary Flavonoids are natural compounds in plants. They play a critical role in plant growth and pathogen defense. Due to their health benefits, flavonoids have gained much attention as potent therapeutic agents. However, the low abundance of flavonoids in nature has limited their exploitation. Hence, this study aimed to enhance flavonoid production by silencing the cinnamate-4-hydroxylase (C4H) enzyme using the clustered regularly interspaced short palindromic repeats interference (CRISPRi) technology. Our results showed that the C4H-silenced tobacco cells had a lower NtC4H expression level compared to wild-type. This was concurred by the flavonoid analysis, where the accumulation of C4H’s substrate in the C4H-silenced cells was significantly higher than in the wild-type. Our findings provide valuable insight into the future development of CRISPRi to manipulate plant metabolite biosynthesis. Abstract Flavonoids are an important class of natural compounds present in plants. However, despite various known biological activities and therapeutic potential, the low abundance of flavonoids in nature limits their development for industrial applications. In this study, we aimed to enhance flavonoid production by silencing cinnamate-4-hydroxylase (C4H), an enzyme involved in the branch point of the flavonoid biosynthetic pathway, using the clustered regularly interspaced short palindromic repeats interference (CRISPRi) approach. We designed three sgRNAs targeting the promoter region of NtC4H and cloned them into a CRISPRi construct. After being introduced into Nicotiana tabacum cell suspension culture, the transformed cells were sampled for qPCR and liquid chromatography-mass spectrometry analyses. Sixteen of 21 cell lines showed PCR-positive, confirming the presence of the CRISPRi transgene. The NtC4H transcript in the transgenic cells was 0.44-fold lower than in the wild-type. In contrast, the flavonoid-related genes in the other branching pathways, such as Nt4CL and NtCHS, in the C4H-silenced cells showed higher expression than wild-type. The upregulation of these genes increased their respective products, including pinostrobin, naringenin, and chlorogenic acid. This study provides valuable insight into the future development of CRISPRi-based metabolic engineering to suppress target genes in plants.
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Gupta A, Awasthi P, Sharma N, Parveen S, Vats RP, Singh N, Kumar Y, Goel A, Chandran D. Medicarpin confers powdery mildew resistance in Medicago truncatula and activates the salicylic acid signalling pathway. MOLECULAR PLANT PATHOLOGY 2022; 23:966-983. [PMID: 35263504 PMCID: PMC9190973 DOI: 10.1111/mpp.13202] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 02/12/2022] [Accepted: 02/12/2022] [Indexed: 05/28/2023]
Abstract
Powdery mildew (PM) caused by the obligate biotrophic fungal pathogen Erysiphe pisi is an economically important disease of legumes. Legumes are rich in isoflavonoids, a class of secondary metabolites whose role in PM resistance is ambiguous. Here we show that the pterocarpan medicarpin accumulates at fungal infection sites, as analysed by fluorescein-tagged medicarpin, and provides penetration and post-penetration resistance against E. pisi in Medicago truncatula in part through the activation of the salicylic acid (SA) signalling pathway. Comparative gene expression and metabolite analyses revealed an early induction of isoflavonoid biosynthesis and accumulation of the defence phytohormones SA and jasmonic acid (JA) in the highly resistant M. truncatula genotype A17 but not in moderately susceptible R108 in response to PM infection. Pretreatment of R108 leaves with medicarpin increased SA levels, SA-associated gene expression, and accumulation of hydrogen peroxide at PM infection sites, and reduced fungal penetration and colony formation. Strong parallels in the levels of medicarpin and SA, but not JA, were observed on medicarpin/SA treatment pre- or post-PM infection. Collectively, our results suggest that medicarpin and SA may act in concert to restrict E. pisi growth, providing new insights into the metabolic and signalling pathways required for PM resistance in legumes.
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Affiliation(s)
- Arunima Gupta
- Laboratory of Plant‐Microbe InteractionsRegional Centre for BiotechnologyNCR Biotech Science ClusterFaridabadHaryanaIndia
| | - Pallavi Awasthi
- Medicinal and Process ChemistryCentral Drug Research InstituteLucknowUttar PradeshIndia
- Academy of Scientific and Innovative ResearchGhaziabadUttar PradeshIndia
| | - Neha Sharma
- Advanced Technology Platform Centre, Regional Centre for BiotechnologyFaridabadHaryanaIndia
| | - Sajiya Parveen
- Medicinal and Process ChemistryCentral Drug Research InstituteLucknowUttar PradeshIndia
- Academy of Scientific and Innovative ResearchGhaziabadUttar PradeshIndia
| | - Ravi P. Vats
- Medicinal and Process ChemistryCentral Drug Research InstituteLucknowUttar PradeshIndia
- Academy of Scientific and Innovative ResearchGhaziabadUttar PradeshIndia
| | - Nirpendra Singh
- Advanced Technology Platform Centre, Regional Centre for BiotechnologyFaridabadHaryanaIndia
- Present address:
Institute of Stem Cell Science and Regenerative MedicineBangaloreKarnatakaIndia
| | - Yashwant Kumar
- Translational Health Science and Technology InstituteNCR Biotech Science ClusterFaridabadHaryanaIndia
| | - Atul Goel
- Medicinal and Process ChemistryCentral Drug Research InstituteLucknowUttar PradeshIndia
- Academy of Scientific and Innovative ResearchGhaziabadUttar PradeshIndia
| | - Divya Chandran
- Laboratory of Plant‐Microbe InteractionsRegional Centre for BiotechnologyNCR Biotech Science ClusterFaridabadHaryanaIndia
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Kim D, Jeon SJ, Yanders S, Park SC, Kim HS, Kim S. MYB3 plays an important role in lignin and anthocyanin biosynthesis under salt stress condition in Arabidopsis. PLANT CELL REPORTS 2022; 41:1549-1560. [PMID: 35562569 DOI: 10.1007/s00299-022-02878-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/20/2022] [Indexed: 06/15/2023]
Abstract
Nuclear-localized Arabidopsis MYB3 functions as a transcriptional repressor for regulation of lignin and anthocyanin biosynthesis under high salt conditions. Salinity stress is a major factor which reduces plant growth and crop yield worldwide. To improve growth of crops in high salinity environments, plant responses to salinity stress must be tightly controlled. Here, to further understand the regulation of plant responses under high salinity conditions, the function of the MYB3 transcription factor was studied as a repressor to control accumulation of lignin and anthocyanin under salt stress conditions. Nuclear-localized MYB3 forms a homodimer. It is ubiquitously expressed, especially in vascular tissues, with expression highly induced by NaCl in tissues such as roots, leaves, stems, and flowers. myb3 mutant plants exhibited longer root growth in high NaCl conditions than wild-type plants. However, several NaCl responsive genes were not significantly altered in myb3 compared to wild-type. Interestingly, high accumulation of lignin and anthocyanin occurred in myb3 under NaCl treatment, as well as increased expression of genes involved in lignin and anthocyanin biosynthesis, such as phenylalanine ammonia lyase 1 (PAL1), cinnamate 4-hydroxylase (C4H), catechol-O-methyltransferase (COMT), 4-coumaric acid-CoA ligase (4CL3), dihydroflavonol reductase (DFR), and leucoanthocyanidin dioxygenase (LDOX). According to yeast two-hybrid screenings, various transcription factors, including anthocyanin regulators Transparent Testa 8 (TT8) and Enhancer of Glabra 3 (EGL3), were isolated as MYB3 interacting proteins. MYB3 was characterized as a transcriptional repressor, with its repressor domain located in the C-terminus. Overall, these results suggest that nuclear-localized MYB3 functions as a transcriptional repressor to control lignin and anthocyanin accumulation under salinity stress conditions.
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Affiliation(s)
- Daewon Kim
- Division of Applied Life Sciences, Plant Molecular Biology and Biotechnology Research Center, Graduate School of Gyeongsang National University, Jinju, 52828, Republic of Korea
- Division of Plant Science, C.S. Bond Life Science Center, University of Missouri, Columbia, MO, 65211, USA
| | - Su Jeong Jeon
- Division of Applied Life Sciences, Plant Molecular Biology and Biotechnology Research Center, Graduate School of Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Samantha Yanders
- Division of Plant Science, C.S. Bond Life Science Center, University of Missouri, Columbia, MO, 65211, USA
| | - Sung-Chul Park
- Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup, 56212, Republic of Korea
| | - Ho Soo Kim
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Republic of Korea.
| | - Sewon Kim
- Division of Applied Life Sciences, Plant Molecular Biology and Biotechnology Research Center, Graduate School of Gyeongsang National University, Jinju, 52828, Republic of Korea.
- National Institute of Agricultural Science, RDA, Jeonju, 54874, Republic of Korea.
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Buhrman K, Aravena-Calvo J, Ross Zaulich C, Hinz K, Laursen T. Anthocyanic Vacuolar Inclusions: From Biosynthesis to Storage and Possible Applications. Front Chem 2022; 10:913324. [PMID: 35836677 PMCID: PMC9273883 DOI: 10.3389/fchem.2022.913324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 05/30/2022] [Indexed: 11/15/2022] Open
Abstract
The ability of plants to accumulate specific metabolites in concentrations beyond their solubility in both aqueous and lipid environments remains a key question in plant biology. Natural Deep Eutectic Solvents (NADES) are mixtures of natural compounds in specific molar ratios, which interact through hydrogen bonding. This results in a viscous liquid that can solubilize high amounts of natural products while maintaining a negligible vapor pressure to prevent release of volatile compounds. While all the components are presents in plant cells, identifying experimental evidence for the occurrence of NADES phases remains a challenging quest. Accumulation of anthocyanin flavonoids in highly concentrated inclusions have been speculated to involve NADES as an inert solvent. The inherent pigment properties of anthocyanins provide an ideal system for studying the formation of NADES in a cellular environment. In this mini-review we discuss the biosynthesis of modified anthocyanins that facilitate their organization in condensates, their transport and storage as a specific type of phase separated inclusions in the vacuole, and the presence of NADES constituents as a natural solution for storing high amounts of flavonoids and other natural products. Finally, we highlight how the knowledge gathered from studying the discussed processes could be used for specific applications within synthetic biology to utilize NADES derived compartments for the production of valuable compounds where the production is challenged by poor solubility, toxic intermediates or unstable and volatile products.
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Affiliation(s)
- Kees Buhrman
- Faculty of Science, University of Amsterdam, Amsterdam, Netherlands
- Dynamic Metabolons Group, Section for Plant Biochemistry, Department for Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Javiera Aravena-Calvo
- Dynamic Metabolons Group, Section for Plant Biochemistry, Department for Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Clara Ross Zaulich
- Dynamic Metabolons Group, Section for Plant Biochemistry, Department for Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Kasper Hinz
- Dynamic Metabolons Group, Section for Plant Biochemistry, Department for Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Tomas Laursen
- Dynamic Metabolons Group, Section for Plant Biochemistry, Department for Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
- *Correspondence: Tomas Laursen,
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Ashraf H, Batool T, Anjum T, Illyas A, Li G, Naseem S, Riaz S. Antifungal Potential of Green Synthesized Magnetite Nanoparticles Black Coffee-Magnetite Nanoparticles Against Wilt Infection by Ameliorating Enzymatic Activity and Gene Expression in Solanum lycopersicum L. Front Microbiol 2022; 13:754292. [PMID: 35308392 PMCID: PMC8928266 DOI: 10.3389/fmicb.2022.754292] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 01/04/2022] [Indexed: 11/28/2022] Open
Abstract
Tomato plants are prone to various biotic and abiotic stresses. Fusarium wilt is one of the most devasting diseases of tomatoes caused by Fusarium oxysporum f. sp. lycopersici, causing high yield and economic losses annually. Magnetite nanoparticles (Fe3O4 NPs) are one of the potent candidates to inhibit fungal infection by improving plant growth parameters. Spinach has been used as a starting material to synthesize green-synthesized iron oxide nanoparticles (IONPs). Various extracts, i.e., pomegranate juice, white vinegar, pomegranate peel, black coffee (BC), aloe vera peel, and aspirin, had been used as reducing/stabilizing agents to tune the properties of the Fe3O4 NPs. After utilizing spinach as a precursor and BC as a reducing agent, the X-ray diffraction (XRD) pattern showed cubic magnetite (Fe3O4) phase. Spherical-shaped nanoparticles (∼20 nm) with superparamagnetic nature indicated by scanning electron microscopy (SEM) monographs, whereas energy-dispersive X-ray gives good elemental composition in Fe3O4 NPs. A characteristic band of Fe-O at ∼ 561 cm-1 was exhibited by the Fourier transform infrared (FTIR) spectrum. X-ray photoelectron spectroscopy (XPS) results confirmed the binding energies of Fe 2p3/2 (∼710.9 eV) and Fe 2p1/2 (∼724.5 eV) while, Raman bands at ∼310 cm-1 (T2 g ), ∼550 cm-1 (T2 g ), and 670 cm-1 (A1 g ) indicated the formation of Fe3O4 NPs synthesized using BC extract. The in vitro activity of BC-Fe3O4 NPs significantly inhibited the mycelial growth of F. oxysporum both at the third and seventh day after incubation, in a dose-dependent manner. In vivo studies also exhibited a substantial reduction in disease severity and incidence by improving plant growth parameters after treatment with different concentrations of BC-Fe3O4 NPs. The increasing tendency in enzymatic activities had been measured after treatment with different concentrations of NPs both in roots and shoot of tomato plants as compared to the control. Correspondingly, the upregulation of PR-proteins and defense genes are in line with the results of the enzymatic activities. The outcome of the present findings suggests that Fe3O4 NPs has the potential to control wilt infection by enhancing plant growth. Hence, Fe3O4 NPs, being non-phytotoxic, have impending scope in the agriculture sector to attain higher yield by managing plant diseases.
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Affiliation(s)
- Hina Ashraf
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Centre of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan
- Department of Plant Pathology, Faculty of Agricultural sciences, University of the Punjab, Lahore, Pakistan
| | - Tanzeela Batool
- Centre of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan
| | - Tehmina Anjum
- Department of Plant Pathology, Faculty of Agricultural sciences, University of the Punjab, Lahore, Pakistan
| | - Aqsa Illyas
- Centre of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan
| | - Guihua Li
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Shahzad Naseem
- Centre of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan
| | - Saira Riaz
- Centre of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan
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Woolfson KN, Esfandiari M, Bernards MA. Suberin Biosynthesis, Assembly, and Regulation. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11040555. [PMID: 35214889 PMCID: PMC8875741 DOI: 10.3390/plants11040555] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/13/2022] [Accepted: 02/16/2022] [Indexed: 05/03/2023]
Abstract
Suberin is a specialized cell wall modifying polymer comprising both phenolic-derived and fatty acid-derived monomers, which is deposited in below-ground dermal tissues (epidermis, endodermis, periderm) and above-ground periderm (i.e., bark). Suberized cells are largely impermeable to water and provide a critical protective layer preventing water loss and pathogen infection. The deposition of suberin is part of the skin maturation process of important tuber crops such as potato and can affect storage longevity. Historically, the term "suberin" has been used to describe a polyester of largely aliphatic monomers (fatty acids, ω-hydroxy fatty acids, α,ω-dioic acids, 1-alkanols), hydroxycinnamic acids, and glycerol. However, exhaustive alkaline hydrolysis, which removes esterified aliphatics and phenolics from suberized tissue, reveals a core poly(phenolic) macromolecule, the depolymerization of which yields phenolics not found in the aliphatic polyester. Time course analysis of suberin deposition, at both the transcriptional and metabolite levels, supports a temporal regulation of suberin deposition, with phenolics being polymerized into a poly(phenolic) domain in advance of the bulk of the poly(aliphatics) that characterize suberized cells. In the present review, we summarize the literature describing suberin monomer biosynthesis and speculate on aspects of suberin assembly. In addition, we highlight recent advances in our understanding of how suberization may be regulated, including at the phytohormone, transcription factor, and protein scaffold levels.
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Banasiak J, Jasiński M. ATP-binding cassette transporters in nonmodel plants. THE NEW PHYTOLOGIST 2022; 233:1597-1612. [PMID: 34614235 DOI: 10.1111/nph.17779] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 09/21/2021] [Indexed: 06/13/2023]
Abstract
Knowledge about plant ATP-binding cassette (ABC) proteins is of great value for sustainable agriculture, economic yield, and the generation of high-quality products, especially under unfavorable growth conditions. We have learned much about ABC proteins in model organisms, notably Arabidopsis thaliana; however, the importance of research dedicated to these transporters extends far beyond Arabidopsis biology. Recent progress in genomic and transcriptomic approaches for nonmodel and noncanonical model plants allows us to look at ABC transporters from a wider perspective and consider chemodiversity and functionally driven adaptation as distinctive mechanisms during their evolution. Here, by considering several representatives from agriculturally important families and recent progress in functional characterization of nonArabidopsis ABC proteins, we aim to bring attention to understanding the evolutionary background, distribution among lineages and possible mechanisms underlying the adaptation of this versatile transport system for plant needs. Increasing the knowledge of ABC proteins in nonmodel plants will facilitate breeding and development of new varieties based on, for example, genetic variations of endogenous genes and/or genome editing, representing an alternative to transgenic approaches.
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Affiliation(s)
- Joanna Banasiak
- Department of Plant Molecular Physiology, Institute of Bioorganic Chemistry, Polish Academy of Sciences, Z. Noskowskiego 12/14, 61-704, Poznań, Poland
| | - Michał Jasiński
- Department of Plant Molecular Physiology, Institute of Bioorganic Chemistry, Polish Academy of Sciences, Z. Noskowskiego 12/14, 61-704, Poznań, Poland
- Department of Biochemistry and Biotechnology, Poznań University of Life Sciences, Dojazd 11, 60-632, Poznań, Poland
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González-Gordo S, Palma JM, Corpas FJ. Peroxisomal Proteome Mining of Sweet Pepper ( Capsicum annuum L.) Fruit Ripening Through Whole Isobaric Tags for Relative and Absolute Quantitation Analysis. FRONTIERS IN PLANT SCIENCE 2022; 13:893376. [PMID: 35615143 PMCID: PMC9125320 DOI: 10.3389/fpls.2022.893376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/21/2022] [Indexed: 05/05/2023]
Abstract
Peroxisomes are ubiquitous organelles from eukaryotic cells characterized by an active nitro-oxidative metabolism. They have a relevant metabolic plasticity depending on the organism, tissue, developmental stage, or physiological/stress/environmental conditions. Our knowledge of peroxisomal metabolism from fruits is very limited but its proteome is even less known. Using sweet pepper (Capsicum annuum L.) fruits at two ripening stages (immature green and ripe red), it was analyzed the proteomic peroxisomal composition by quantitative isobaric tags for relative and absolute quantitation (iTRAQ)-based protein profiling. For this aim, it was accomplished a comparative analysis of the pepper fruit whole proteome obtained by iTRAQ versus the identified peroxisomal protein profile from Arabidopsis thaliana. This allowed identifying 57 peroxisomal proteins. Among these proteins, 49 were located in the peroxisomal matrix, 36 proteins had a peroxisomal targeting signal type 1 (PTS1), 8 had a PTS type 2, 5 lacked this type of peptide signal, and 8 proteins were associated with the membrane of this organelle. Furthermore, 34 proteins showed significant differences during the ripening of the fruits, 19 being overexpressed and 15 repressed. Based on previous biochemical studies using purified peroxisomes from pepper fruits, it could be said that some of the identified peroxisomal proteins were corroborated as part of the pepper fruit antioxidant metabolism (catalase, superoxide dismutase, ascorbate peroxidase, monodehydroascorbate reductase, dehydroascorbate reductaseglutathione reductase, 6-phosphogluconate dehydrogenase and NADP-isocitrate dehydrogenase), the β-oxidation pathway (acyl-coenzyme A oxidase, 3-hydroxyacyl-CoA dehydrogenase, enoyl-CoA hydratase), while other identified proteins could be considered "new" or "unexpected" in fruit peroxisomes like urate oxidase (UO), sulfite oxidase (SO), 5-methyltetrahydropteroyltriglutamate-homocysteine methyltransferase (METE1), 12-oxophytodienoate reductase 3 (OPR3) or 4-coumarate-CoA ligase (4CL), which participate in different metabolic pathways such as purine, sulfur, L-methionine, jasmonic acid (JA) or phenylpropanoid metabolisms. In summary, the present data provide new insights into the complex metabolic machinery of peroxisomes in fruit and open new windows of research into the peroxisomal functions during fruit ripening.
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46
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Banasiak J, Jamruszka T, Murray JD, Jasiński M. A roadmap of plant membrane transporters in arbuscular mycorrhizal and legume-rhizobium symbioses. PLANT PHYSIOLOGY 2021; 187:2071-2091. [PMID: 34618047 PMCID: PMC8644718 DOI: 10.1093/plphys/kiab280] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 05/24/2021] [Indexed: 05/20/2023]
Abstract
Most land plants live in close contact with beneficial soil microbes: the majority of land plant species establish symbiosis with arbuscular mycorrhizal fungi, while most legumes, the third largest plant family, can form a symbiosis with nitrogen-fixing rhizobia. These microbes contribute to plant nutrition via endosymbiotic processes that require modulating the expression and function of plant transporter systems. The efficient contribution of these symbionts involves precisely controlled integration of transport, which is enabled by the adaptability and plasticity of their transporters. Advances in our understanding of these systems, driven by functional genomics research, are rapidly filling the gap in knowledge about plant membrane transport involved in these plant-microbe interactions. In this review, we synthesize recent findings associated with different stages of these symbioses, from the pre-symbiotic stage to nutrient exchange, and describe the role of host transport systems in both mycorrhizal and legume-rhizobia symbioses.
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Affiliation(s)
- Joanna Banasiak
- Department of Plant Molecular Physiology, Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznań 61-704, Poland
| | - Tomasz Jamruszka
- Department of Plant Molecular Physiology, Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznań 61-704, Poland
| | - Jeremy D Murray
- Cell and Developmental Biology, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
- National Key Laboratory of Plant Molecular Genetics, CAS-JIC Centre of Excellence for Plant and Microbial Science (CEPAMS), CAS Center for Excellence in Molecular and Plant Sciences, Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Michał Jasiński
- Department of Plant Molecular Physiology, Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznań 61-704, Poland
- Department of Biochemistry and Biotechnology, Poznan University of Life Sciences, Poznań 60-632, Poland
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Malla A, Shanmugaraj B, Sharma A, Ramalingam S. Production of Genistein in Amaranthus tricolor var. tristis and Spinacia oleracea by Expression of Glycine max Isoflavone Synthase. PLANTS (BASEL, SWITZERLAND) 2021; 10:2311. [PMID: 34834674 PMCID: PMC8625718 DOI: 10.3390/plants10112311] [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: 09/06/2021] [Revised: 10/02/2021] [Accepted: 10/08/2021] [Indexed: 06/13/2023]
Abstract
Isoflavonoids, the diverse group of secondary metabolites derived from the phenylpropanoid pathway, are distributed predominantly in leguminous plants. It has received considerable attention in recent days due to its health promoting benefits and is known to prevent certain diseases in humans. These isoflavonoids are synthesized from flavonoid intermediates of phenylpropanoid pathway by the enzyme isoflavone synthase. Metabolic engineering of isoflavonoid biosynthesis in non-legume crop plants could offer the health benefits of these compounds in diverse plant species further contributing for crop improvement. The transient expression of heterologous genes in the host is considered as an alternative to stable expression, that can provide a rapid way of studying the pathway engineering for metabolite production and could also act as a production platform for nutraceuticals and biopharmaceuticals. In this study, isoflavone genistein was produced in Amaranthus tricolor var. tristis and Spinacia oleracea by transiently expressing Glycine max isoflavone synthase (GmIFS). The GmIFS gene was cloned in plant expression vector pEarleyGate 102 HA and pEAQ-HT-DEST 3 and transformed into plants by agroinfiltration. The presence of transgene in the agroinfiltrated leaves was confirmed by semiquantitative reverse-transcription polymerase chain reaction. The flavonoid substrate naringenin and isoflavonoid genistein were quantified using high performance liquid chromatography in both wild-type and infiltrated leaf samples of both the plants. The naringenin content varied in the range of 65.5-338.5 nM/g fresh weight, while the accumulation of genistein was observed with varying concentrations from 113 to 182.6 nM/g fresh weight in the agroinfiltrated leaf samples of both A. tricolor var. tristis and S. oleracea. These results indicate that the transient expression of GmIFS gene has led to the synthesis of isoflavonoid genistein in A. tricolor var. tristis and S. oleracea providing an insight that stable expression of this gene could enrich the nutraceutical content in the crop plants. To the best of our knowledge, this is the first report on transient expression of GmIFS gene for the production of genistein in A. tricolor var. tristis and S. oleracea.
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Affiliation(s)
- Ashwini Malla
- Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore 641 046, India; (A.M.); (B.S.)
| | - Balamurugan Shanmugaraj
- Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore 641 046, India; (A.M.); (B.S.)
| | - Ashutosh Sharma
- Tecnologico de Monterrey, School of Engineering and Sciences, Centre of Bioengineering, Campus Queretaro, Av. Epigmenio González No. 500, Fracc. San Pablo, Queretaro 76130, Mexico
| | - Sathishkumar Ramalingam
- Plant Genetic Engineering Laboratory, Department of Biotechnology, Bharathiar University, Coimbatore 641 046, India; (A.M.); (B.S.)
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A rice QTL GS3.1 regulates grain size through metabolic-flux distribution between flavonoid and lignin metabolons without affecting stress tolerance. Commun Biol 2021; 4:1171. [PMID: 34620988 PMCID: PMC8497587 DOI: 10.1038/s42003-021-02686-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 09/16/2021] [Indexed: 02/08/2023] Open
Abstract
Grain size is a key component trait of grain weight and yield. Numbers of quantitative trait loci (QTLs) have been identified in various bioprocesses, but there is still little known about how metabolism-related QTLs influence grain size and yield. The current study report GS3.1, a QTL that regulates rice grain size via metabolic flux allocation between two branches of phenylpropanoid metabolism. GS3.1 encodes a MATE (multidrug and toxic compounds extrusion) transporter that regulates grain size by directing the transport of p-coumaric acid from the p-coumaric acid biosynthetic metabolon to the flavonoid biosynthetic metabolon. A natural allele of GS3.1 was identified from an African rice with enlarged grains, reduced flavonoid content and increased lignin content in the panicles. Notably, the natural allele of GS3.1 caused no alterations in other tissues and did not affect stress tolerance, revealing an ideal candidate for breeding efforts. This study uncovers insights into the regulation of grain size though metabolic-flux distribution. In this way, it supports a strategy of enhancing crop yield without introducing deleterious side effects on stress tolerance mechanisms.
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49
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Lin CY, Sun Y, Song J, Chen HC, Shi R, Yang C, Liu J, Tunlaya-Anukit S, Liu B, Loziuk PL, Williams CM, Muddiman DC, Lin YCJ, Sederoff RR, Wang JP, Chiang VL. Enzyme Complexes of Ptr4CL and PtrHCT Modulate Co-enzyme A Ligation of Hydroxycinnamic Acids for Monolignol Biosynthesis in Populus trichocarpa. FRONTIERS IN PLANT SCIENCE 2021; 12:727932. [PMID: 34691108 PMCID: PMC8527181 DOI: 10.3389/fpls.2021.727932] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 09/13/2021] [Indexed: 06/13/2023]
Abstract
Co-enzyme A (CoA) ligation of hydroxycinnamic acids by 4-coumaric acid:CoA ligase (4CL) is a critical step in the biosynthesis of monolignols. Perturbation of 4CL activity significantly impacts the lignin content of diverse plant species. In Populus trichocarpa, two well-studied xylem-specific Ptr4CLs (Ptr4CL3 and Ptr4CL5) catalyze the CoA ligation of 4-coumaric acid to 4-coumaroyl-CoA and caffeic acid to caffeoyl-CoA. Subsequently, two 4-hydroxycinnamoyl-CoA:shikimic acid hydroxycinnamoyl transferases (PtrHCT1 and PtrHCT6) mediate the conversion of 4-coumaroyl-CoA to caffeoyl-CoA. Here, we show that the CoA ligation of 4-coumaric and caffeic acids is modulated by Ptr4CL/PtrHCT protein complexes. Downregulation of PtrHCTs reduced Ptr4CL activities in the stem-differentiating xylem (SDX) of transgenic P. trichocarpa. The Ptr4CL/PtrHCT interactions were then validated in vivo using biomolecular fluorescence complementation (BiFC) and protein pull-down assays in P. trichocarpa SDX extracts. Enzyme activity assays using recombinant proteins of Ptr4CL and PtrHCT showed elevated CoA ligation activity for Ptr4CL when supplemented with PtrHCT. Numerical analyses based on an evolutionary computation of the CoA ligation activity estimated the stoichiometry of the protein complex to consist of one Ptr4CL and two PtrHCTs, which was experimentally confirmed by chemical cross-linking using SDX plant protein extracts and recombinant proteins. Based on these results, we propose that Ptr4CL/PtrHCT complexes modulate the metabolic flux of CoA ligation for monolignol biosynthesis during wood formation in P. trichocarpa.
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Affiliation(s)
- Chien-Yuan Lin
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
- Joint BioEnergy Institute, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
| | - Yi Sun
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, China
| | - Jina Song
- Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, United States
| | - Hsi-Chuan Chen
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
| | - Rui Shi
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
| | - Chenmin Yang
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
| | - Jie Liu
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
| | - Sermsawat Tunlaya-Anukit
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
| | - Baoguang Liu
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, China
- Department of Forestry, Beihua University, Jilin, China
| | - Philip L. Loziuk
- W.M. Keck FTMS Laboratory, Department of Chemistry, North Carolina State University, Raleigh, NC, United States
| | - Cranos M. Williams
- Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, United States
| | - David C. Muddiman
- W.M. Keck FTMS Laboratory, Department of Chemistry, North Carolina State University, Raleigh, NC, United States
| | - Ying-Chung Jimmy Lin
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, China
| | - Ronald R. Sederoff
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
| | - Jack P. Wang
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, China
| | - Vincent L. Chiang
- Forest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, United States
- State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin, China
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50
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Constantino N, Oh Y, Şennik E, Andersen B, Warden M, Oralkan Ö, Dean RA. Soybean Cyst Nematodes Influence Aboveground Plant Volatile Signals Prior to Symptom Development. FRONTIERS IN PLANT SCIENCE 2021; 12:749014. [PMID: 34659318 PMCID: PMC8513716 DOI: 10.3389/fpls.2021.749014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 08/16/2021] [Indexed: 06/13/2023]
Abstract
Soybean cyst nematode (SCN), Heterodera glycines, is one of the most destructive soybean pests worldwide. Unlike many diseases, SCN doesn't show above ground evidence of disease until several weeks after infestation. Knowledge of Volatile Organic Compounds (VOCs) related to pests and pathogens of foliar tissue is extensive, however, information related to above ground VOCs in response to root damage is lacking. In temporal studies, gas chromatography-mass spectrometry analysis of VOCs from the foliar tissues of SCN infested plants yielded 107 VOCs, referred to as Common Plant Volatiles (CPVs), 33 with confirmed identities. Plants showed no significant stunting until 10 days after infestation. Total CPVs increased over time and were significantly higher from SCN infested plants compared to mock infested plants post 7 days after infestation (DAI). Hierarchical clustering analysis of expression ratios (SCN: Mock) across all time points revealed 5 groups, with the largest group containing VOCs elevated in response to SCN infestation. Linear projection of Principal Component Analysis clearly separated SCN infested from mock infested plants at time points 5, 7, 10 and 14 DAI. Elevated Styrene (CPV11), D-Limonene (CPV32), Tetradecane (CPV65), 2,6-Di-T-butyl-4-methylene-2,5-cyclohexadiene-1-one (CPV74), Butylated Hydroxytoluene (CPV76) and suppressed Ethylhexyl benzoate (CPV87) levels, were associated with SCN infestation prior to stunting. Our findings demonstrate that SCN infestation elevates the release of certain VOCs from foliage and that some are evident prior to symptom development. VOCs associated with SCN infestations prior to symptom development may be valuable for innovative diagnostic approaches.
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Affiliation(s)
- Nasie Constantino
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC, United States
| | - Yeonyee Oh
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC, United States
| | - Erdem Şennik
- Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, United States
| | - Brian Andersen
- Department of Nuclear Engineering, North Carolina State University, Raleigh, NC, United States
| | - Michael Warden
- BASF Plant Science, Research Triangle, NC, United States
| | - Ömer Oralkan
- Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, United States
| | - Ralph A. Dean
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC, United States
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