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Lezin E, Carqueijeiro I, Cuello C, Durand M, Jansen HJ, Vergès V, Birer Williams C, Oudin A, Dugé de Bernonville T, Petrignet J, Celton N, St-Pierre B, Papon N, Sun C, Dirks RP, O'Connor SE, Jensen MK, Besseau S, Courdavault V. A chromosome-scale genome assembly of Rauvolfia tetraphylla facilitates identification of the complete ajmaline biosynthetic pathway. PLANT COMMUNICATIONS 2024; 5:100784. [PMID: 38155576 PMCID: PMC11009098 DOI: 10.1016/j.xplc.2023.100784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 12/18/2023] [Accepted: 12/21/2023] [Indexed: 12/30/2023]
Affiliation(s)
- Enzo Lezin
- Biomolécules et Biotechnologies Végétales, EA2106, Université de Tours, 37200 Tours, France
| | - Inês Carqueijeiro
- Biomolécules et Biotechnologies Végétales, EA2106, Université de Tours, 37200 Tours, France
| | - Clément Cuello
- Biomolécules et Biotechnologies Végétales, EA2106, Université de Tours, 37200 Tours, France
| | - Mickael Durand
- Biomolécules et Biotechnologies Végétales, EA2106, Université de Tours, 37200 Tours, France
| | - Hans J Jansen
- Future Genomics Technologies, 2333 BE Leiden, the Netherlands
| | - Valentin Vergès
- Biomolécules et Biotechnologies Végétales, EA2106, Université de Tours, 37200 Tours, France
| | | | - Audrey Oudin
- Biomolécules et Biotechnologies Végétales, EA2106, Université de Tours, 37200 Tours, France
| | | | - Julien Petrignet
- Laboratoire Synthèse et Isolement de Molécules BioActives (SIMBA, EA 7502), Université de Tours, 37200 Tours, France
| | - Noémie Celton
- Laboratoire de Cytogénetique Constitutionnelle, CHRU de Tours - Hôpital Bretonneau, 37044 Tours, France
| | - Benoit St-Pierre
- Biomolécules et Biotechnologies Végétales, EA2106, Université de Tours, 37200 Tours, France
| | - Nicolas Papon
- University Angers, University Brest, IRF, SFR ICAT, 49000 Angers, France; Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 2800, China
| | - Chao Sun
- University Angers, University Brest, IRF, SFR ICAT, 49000 Angers, France; Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 2800, China
| | - Ron P Dirks
- Future Genomics Technologies, 2333 BE Leiden, the Netherlands
| | - Sarah Ellen O'Connor
- Department of Natural Product Biosynthesis, Max Planck Institute for Chemical Ecology, 07745 Jena, Germany
| | - Michael Krogh Jensen
- Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, 100193 Kgs Lyngby, Denmark
| | - Sébastien Besseau
- Biomolécules et Biotechnologies Végétales, EA2106, Université de Tours, 37200 Tours, France.
| | - Vincent Courdavault
- Biomolécules et Biotechnologies Végétales, EA2106, Université de Tours, 37200 Tours, France.
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2
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Horn PJ, Chapman KD. Imaging plant metabolism in situ. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:1654-1670. [PMID: 37889862 PMCID: PMC10938046 DOI: 10.1093/jxb/erad423] [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: 07/13/2023] [Accepted: 10/25/2023] [Indexed: 10/29/2023]
Abstract
Mass spectrometry imaging (MSI) has emerged as an invaluable analytical technique for investigating the spatial distribution of molecules within biological systems. In the realm of plant science, MSI is increasingly employed to explore metabolic processes across a wide array of plant tissues, including those in leaves, fruits, stems, roots, and seeds, spanning various plant systems such as model species, staple and energy crops, and medicinal plants. By generating spatial maps of metabolites, MSI has elucidated the distribution patterns of diverse metabolites and phytochemicals, encompassing lipids, carbohydrates, amino acids, organic acids, phenolics, terpenes, alkaloids, vitamins, pigments, and others, thereby providing insights into their metabolic pathways and functional roles. In this review, we present recent MSI studies that demonstrate the advances made in visualizing the plant spatial metabolome. Moreover, we emphasize the technical progress that enhances the identification and interpretation of spatial metabolite maps. Within a mere decade since the inception of plant MSI studies, this robust technology is poised to continue as a vital tool for tackling complex challenges in plant metabolism.
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Affiliation(s)
- Patrick J Horn
- BioDiscovery Institute and Department of Biological Sciences, University of North Texas, Denton TX 76203, USA
| | - Kent D Chapman
- BioDiscovery Institute and Department of Biological Sciences, University of North Texas, Denton TX 76203, USA
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3
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Cao M, Wu J, Zhu X, Jia Z, Zhou Y, Yu L, Hu C, Gao Y, Chen Z. Tissue distribution of metabolites in Cordyceps cicadae determined by DESI-MSI analysis. Anal Bioanal Chem 2024; 416:1883-1906. [PMID: 38367042 DOI: 10.1007/s00216-024-05188-x] [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: 11/08/2023] [Revised: 01/18/2024] [Accepted: 01/31/2024] [Indexed: 02/19/2024]
Abstract
In this paper, we establish an in situ visualization analysis method to image the spatial distribution of metabolites in different parts (sclerotium, coremium) and different microregions of Cordyceps cicadae (C. cicadae) to achieve the in situ visual characterization of tissues for a variety of metabolites such as nucleosides, amino acids, polysaccharides, organic acids, fatty acids, and so on. The study included LC-MS chemical composition identification, preparation of C. cicadae tissue sections, DEDI-MSI analysis, DESI combined with Q-TOF/MS to obtain high-resolution imaging of mass-to-charge ratio and space, imaging of C. cicadae in positive-negative ion mode with a spatial resolution of 100 μm, and localizing and identifying its chemical compositions based on its precise mass. A total of 62 compounds were identified; nucleosides were mainly distributed in the coremium, L-threonine and DL-isoleucine, and other essential amino acids; peptides were mainly distributed in the sclerotium of C. cicadae; and the rest of the amino acids did not have a clear pattern; sugars and sugar alcohols were mainly distributed in the coremium of C. cicadae; organic acids and fatty acids were distributed in the nucleus of C. cicadae more than in the sclerotium, and the mass spectrometry imaging method is established in the research. The mass spectrometry imaging method established in this study is simple and fast and can visualize and analyse the spatial distribution of metabolites of C. cicadae, which is of great significance in characterizing the metabolic network of C. cicadae, and provides support for the quality evaluation of C. cicadae and the study of the temporal and spatial metabolic network of chemical compounds.
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Affiliation(s)
- Mayijie Cao
- Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Avenue, Wenjiang District, Chengdu, Sichuan, China
| | - Jie Wu
- Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Avenue, Wenjiang District, Chengdu, Sichuan, China
| | - Xiaoli Zhu
- Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Avenue, Wenjiang District, Chengdu, Sichuan, China
| | - Zhuolin Jia
- Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Avenue, Wenjiang District, Chengdu, Sichuan, China
| | - Ye Zhou
- Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Avenue, Wenjiang District, Chengdu, Sichuan, China
| | - Lingying Yu
- Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Avenue, Wenjiang District, Chengdu, Sichuan, China
| | - Changjiang Hu
- Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Avenue, Wenjiang District, Chengdu, Sichuan, China.
| | - Yongxiang Gao
- International Education College, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Avenue, Wenjiang District, Chengdu, Sichuan, China.
| | - Zhimin Chen
- Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Avenue, Wenjiang District, Chengdu, Sichuan, China.
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4
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Wu Q, Jiang L, Yan Y, Yan Q, Zhu X, Zhang J, Huang C, Zhou T, Ren C, Wen F, Pei J. Geographical distribution-based differentiation of cultivated Angelica dahurica, exploring the relationship between the secretory tract and the quality. Sci Rep 2023; 13:21733. [PMID: 38066026 PMCID: PMC10709555 DOI: 10.1038/s41598-023-48497-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 11/27/2023] [Indexed: 12/18/2023] Open
Abstract
Based on geographical distribution, cultivated Chinese Angelica dahurica has been divided into Angelica dahurica cv. 'Hangbaizhi' (HBZ) and Angelica dahurica cv. 'Qibaizhi' (QBZ). Long-term geographical isolation has led to significant quality differences between them. The secretory structure in medicinal plants, as a place for accumulating effective constituents and information transmission to the environment, links the environment with the quality of medicinal materials. However, the secretory tract differences between HBZ and QBZ has not been revealed. This study aimed to explore the relationship between the secretory tract and the quality of two kinds of A. dahurica. Root samples were collected at seven development phases. High-Performance Liquid Chromatography (HPLC) and Desorption Electrospray Ionization Mass Spectrometry Imaging (DESI-MSI) were used for the content determination and spatial location of coumarins. Paraffin section was used to observe and localize the root secretory tract. Origin, CaseViewer, and HDI software were used for data analysis and image processing. The results showed that compared to QBZ, HBZ, with better quality, has a larger area of root secretory tracts. Hence, the root secretory tract can be included in the quality evaluation indicators of A. dahurica. Additionally, DESI-MSI technology was used for the first time to elucidate the temporal and spatial distribution of coumarin components in A. dahurica root tissues. This study provides a theoretical basis for the quality evaluation and breeding of improved varieties of A. dahurica and references the DESI-MSI technology used to analyze the metabolic differences of various compounds, including coumarin and volatile oil, in different tissue parts of A. dahurica.
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Affiliation(s)
- Qinghua Wu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, 611137, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Lan Jiang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Yuhang Yan
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Qi Yan
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Xinglong Zhu
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Jiaxu Zhang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Chengfeng Huang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Tao Zhou
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, 611137, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Chaoxiang Ren
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, 611137, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Feiyan Wen
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, 611137, China
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Jin Pei
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu, 611137, China.
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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5
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Zhang T, Noll SE, Peng JT, Klair A, Tripka A, Stutzman N, Cheng C, Zare RN, Dickinson AJ. Chemical imaging reveals diverse functions of tricarboxylic acid metabolites in root growth and development. Nat Commun 2023; 14:2567. [PMID: 37142569 PMCID: PMC10160030 DOI: 10.1038/s41467-023-38150-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 04/18/2023] [Indexed: 05/06/2023] Open
Abstract
Understanding how plants grow is critical for agriculture and fundamental for illuminating principles of multicellular development. Here, we apply desorption electrospray ionization mass spectrometry imaging (DESI-MSI) to the chemical mapping of the developing maize root. This technique reveals a range of small molecule distribution patterns across the gradient of stem cell differentiation in the root. To understand the developmental logic of these patterns, we examine tricarboxylic acid (TCA) cycle metabolites. In both Arabidopsis and maize, we find evidence that elements of the TCA cycle are enriched in developmentally opposing regions. We find that these metabolites, particularly succinate, aconitate, citrate, and α-ketoglutarate, control root development in diverse and distinct ways. Critically, the developmental effects of certain TCA metabolites on stem cell behavior do not correlate with changes in ATP production. These results present insights into development and suggest practical means for controlling plant growth.
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Affiliation(s)
- Tao Zhang
- Cell and Developmental Biology, University of California San Diego, La Jolla, CA, 92093, USA
| | - Sarah E Noll
- Department of Chemistry, Stanford University, Stanford, CA, 94305, USA
- Department of Chemistry, Pomona College, Claremont, CA, 91711, USA
| | - Jesus T Peng
- Cell and Developmental Biology, University of California San Diego, La Jolla, CA, 92093, USA
| | - Amman Klair
- Cell and Developmental Biology, University of California San Diego, La Jolla, CA, 92093, USA
| | - Abigail Tripka
- Cell and Developmental Biology, University of California San Diego, La Jolla, CA, 92093, USA
| | - Nathan Stutzman
- Cell and Developmental Biology, University of California San Diego, La Jolla, CA, 92093, USA
| | - Casey Cheng
- Cell and Developmental Biology, University of California San Diego, La Jolla, CA, 92093, USA
| | - Richard N Zare
- Department of Chemistry, Stanford University, Stanford, CA, 94305, USA.
| | - Alexandra J Dickinson
- Cell and Developmental Biology, University of California San Diego, La Jolla, CA, 92093, USA.
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6
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Lorensen MDBB, Bjarnholt N, St-Pierre B, Heinicke S, Courdavault V, O'Connor S, Janfelt C. Spatial localization of monoterpenoid indole alkaloids in Rauvolfia tetraphylla by high resolution mass spectrometry imaging. PHYTOCHEMISTRY 2023; 209:113620. [PMID: 36863602 DOI: 10.1016/j.phytochem.2023.113620] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 02/20/2023] [Accepted: 02/22/2023] [Indexed: 06/18/2023]
Abstract
Monoterpenoid indole alkaloids (MIAs) are a large group of biosynthetic compounds, which have pharmacological properties. One of these MIAs, reserpine, was discovered in the 1950s and has shown properties as an anti-hypertension and anti-microbial agent. Reserpine was found to be produced in various plant species within the genus of Rauvolfia. However, even though its presence is well known, it is still unknown in which tissues Rauvolfia produce reserpine and where the individual steps in the biosynthetic pathway take place. In this study, we explore how matrix assisted laser desorption ionization (MALDI) and desorption electrospray ionization (DESI) mass spectrometry imaging (MSI) can be used in the investigation of a proposed biosynthetic pathway by localizing reserpine and the theoretical intermediates of it. The results show that ions corresponding to intermediates of reserpine were localized in several of the major parts of Rauvolfia tetraphylla when analyzed by MALDI- and DESI-MSI. In stem tissue, reserpine and many of the intermediates were found compartmentalized in the xylem. For most samples, reserpine itself was mainly found in the outer layers of the sample, suggesting it may function as a defense compound. To further confirm the place of the different metabolites in the reserpine biosynthetic pathway, roots and leaves of R. tetraphylla were fed a stable-isotope labelled version of the precursor tryptamine. Subsequently, several of the proposed intermediates were detected in the normal version as well as in the isotope labelled versions, confirming that they were synthesized in planta from tryptamine. In this experiment, a potential novel dimeric MIA was discovered in leaf tissue of R. tetraphylla. The study constitutes to date the most comprehensive spatial mapping of metabolites in the R. tetraphylla plant. In addition, the article also contains new illustrations of the anatomy of R. tetraphylla.
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Affiliation(s)
| | - Nanna Bjarnholt
- Plant Biochemistry Laboratory and Copenhagen Plant Science Center, Department of Plant and Environmental Sciences, University of Copenhagen, 1871, Frederiksberg, Denmark
| | - Benoit St-Pierre
- Université de Tours, EA2106 Biomolécules et Biotechnologies Végétales, 37200, Tours, France
| | - Sarah Heinicke
- Max Planck Institute for Chemical Ecology, Department of Natural Product Biosynthesis, Hans-Knöll-Straße 8, 07745, Jena, Germany
| | - Vincent Courdavault
- Université de Tours, EA2106 Biomolécules et Biotechnologies Végétales, 37200, Tours, France
| | - Sarah O'Connor
- Max Planck Institute for Chemical Ecology, Department of Natural Product Biosynthesis, Hans-Knöll-Straße 8, 07745, Jena, Germany
| | - Christian Janfelt
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100, Copenhagen, Denmark.
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7
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Ren Z, Zhang H, Yang L, Chen X, Zhang S, Chen S, Li D, Li C, Jiang H. Spatial distribution and comparative analysis of Aconitum alkaloids in Fuzi using DESI-MSI and UHPLC-QTOF-MS. Analyst 2023; 148:1603-1610. [PMID: 36912125 DOI: 10.1039/d2an02051c] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
Aconitum L. poisoning is a major type of poisoning caused by herbal medicines in many countries. However, despite its toxicity, Aconitum L. is still used because of its therapeutic value. Fuzi, the lateral root of Aconitum L., is one of the most important pharmacological parts. It is necessary for rational medication to figure out the types and contents of toxic Aconitum alkaloids (AAs) in Fuzi and its processed products. The present study aims to investigate the spatial distribution of toxic AAs in Fuzi and the quantification of AAs in various processing products through mass spectrometry methods. In this study, desorption electrospray ionization mass spectrometry imaging (DESI-MSI) was used to directly image the sections of raw Fuzi. The results showed a high content of diester alkaloids (DAs) and a relatively uniform distribution in the sections, while the content of monoester alkaloids (MAs) was low and uneven in the sections, distributed in the cortex, epidermis, vascular column, and other parts of the tissues. The content of non-ester alkaloids (NAs) was relatively minimum, and most of the NAs were distributed in the vascular column and the tightly connected cortex of the tissue. To further investigate the difference between raw and processed Fuzi, 60 known compounds were identified using UHPLC-QTOF-MS. The total contents of alkaloids in 7 processed Fuzi were lower than that in Shengfupian (SFP). Paofupian (PFP), Paotianxiong (PTX), Paofupian (PFP*), Danfupian (DFP), and Shufupian (SFP*) were the least similar. Zhengfupian (ZFP) and Chaofupian (CFP) had significantly reduced toxicity and increased efficacy compared with other processed products because the contents of active alkaloids in other processed products were also reduced. Understanding the distribution of metabolites and the composition changes after processing can guide users and herbal manufacturers to carefully choose the relatively safe and better therapeutic species of Fuzi. The information gathered from this study can contribute towards the improved and effective management of therapeutically important, nonetheless toxic, drugs such as Aconitum L.
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Affiliation(s)
- Zhenhui Ren
- Department of Veterinary Pharmacology and Toxicology, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China. .,Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300384, China
| | - Huixia Zhang
- Department of Veterinary Pharmacology and Toxicology, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Liu Yang
- Department of Veterinary Pharmacology and Toxicology, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Xin Chen
- Department of Veterinary Pharmacology and Toxicology, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Shuai Zhang
- Department of Veterinary Pharmacology and Toxicology, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Shiqi Chen
- Department of Veterinary Pharmacology and Toxicology, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
| | - Daowen Li
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300384, China
| | - Cun Li
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300384, China
| | - Haiyang Jiang
- Department of Veterinary Pharmacology and Toxicology, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
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8
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Cai MT, Zhou Y, Ding WL, Huang YH, Ren YS, Yang ZY, Zhang L, Sun F, Guo HB, Zhou LY, Gong ZH, Piao XH, Wang SM, Ge YW. Identification and localization of morphological feature-specific metabolites in Reynoutria multiflora roots. PHYTOCHEMISTRY 2023; 206:113527. [PMID: 36460140 DOI: 10.1016/j.phytochem.2022.113527] [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: 08/28/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Reynoutria multiflora roots are a classical herbal medicine with unique nourishing therapeutic effects. Anomalous vascular bundle (AVB) forming "cloudy brocade patterns" is a typical morphological feature of R. multiflora roots and has been empirically linked to its quality classification. However, scientific evidence, especially for AVB-specific specialised metabolites, has not been comprehensively revealed thus far. Herein, desorption electrospray ionization-mass spectrometry imaging (DESI-MSI) analysis was applied to carry out an in situ analysis of specialised metabolites distributed specifically at the AVB and cork of R. multiflora roots. To enlarge the scope of compounds by DESI detection, various solvent systems including acetone, acetonitrile, methanol, and water were used to assist in the discoveries of 40 specialised metabolites with determined localization. A series of bioactive constituents including stilbenes, flavonoids, anthraquinones, alkaloids, and naphthalenes were found specifically around the brocade patterns. Notably, phospholipids were detected from R. multiflora roots by in situ analysis for the first time and were found mainly in the phloem of AVB (PAB). This is the first study to use gradient solvent systems in DESI-MSI analysis to locate the specialised metabolites distribution. The discovery of feature-specific compounds will bridge the empirical identification to precision quality control of R. multiflora roots.
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Affiliation(s)
- Meng-Ting Cai
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of National Administration of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Yu Zhou
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of National Administration of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Wen-Luan Ding
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of National Administration of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Yu-Hong Huang
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of National Administration of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Ying-Shan Ren
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of National Administration of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Zhi-You Yang
- Guangdong Provincial Key Laboratory of Aquatic Product Processing and Safety, College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, 524088, China
| | - Lei Zhang
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of National Administration of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Fei Sun
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of National Administration of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Hai-Biao Guo
- Hutchison Whampoa Guangzhou Baiyunshan Chinese Medicine Co., Ltd, Guangzhou, 510515, China
| | - Liang-Yun Zhou
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Zhi-Hong Gong
- Waters Technology (Shanghai) Co. Ltd., Shanghai, 200120, China
| | - Xiu-Hong Piao
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Shu-Mei Wang
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of National Administration of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Yue-Wei Ge
- School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of National Administration of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
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9
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Cui WL, Guo DX, Wang N, Wang ZF, Ji JB, Wang X, Yang CG, Lin YQ, Wang SQ. Identification of chemosensitizing agents of colorectal cancer in Rauvolfia vomitoria using an NMR-based chemometric approach. Front Chem 2023; 10:1069591. [PMID: 36688051 PMCID: PMC9852911 DOI: 10.3389/fchem.2022.1069591] [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: 10/14/2022] [Accepted: 12/19/2022] [Indexed: 01/07/2023] Open
Abstract
Searching for new adjuvants of conventional chemotherapeutic approaches against colorectal cancer cells is extremely urgent. In current research, a non-targeted analytical approach was established by combining proton nuclear magnetic resonance spectroscopy with a chemometrics data mining tool to identify chemosensitizing agents from Rauvolfia vomitoria. This approach enabled the identification of potential active constituents in the initial fractionation process and provided their structural information. This strategy was validated by its application to Rauvolfia vomitoria extract exhibiting chemosensitizing activity on 5-fluorouracil against colorectal cancer cells. After the workflow, the biochemometrics analysis showed that at least 15 signals (Variable influence on projection (VIP) > 1) could have contributions in the differentiation of various fractions. Through systematic literature and database searches, we found that the most active fraction (fraction 7) exhibited the highest presence of sabazin-type and armaniline-type alkaloids, which were potential chemosensitizers as previously reported. To validate the results of the strategy, the effect of 5-FU and compounds isolated from fraction seven incubation on HCT-8 and LoVo cell vialibilty were evaluated. These results evidenced that compound β-carboline (3), 1-methyl-β-carboline (4), and lochnerine (6) could enhance the cytotoxicity of 5-fluorouracil against to Colorectal cancer cells. Besides, 21 compounds including two new compounds were isolated from Rauvolfia vomitoria. The experimental results verify the reliability of the method, and this approach provides a new and efficient tool to overcome some of the bottlenecks in natural products drug discovery.
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Affiliation(s)
- Wei-Liang Cui
- Shandong Institute for Food and Drug Control, Jinan, Shandong, China
| | - Dong-Xiao Guo
- Shandong Institute for Food and Drug Control, Jinan, Shandong, China
| | - Ning Wang
- Key Laboratory of Chemical Biology of Nature Products (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Zhi-Fan Wang
- Key Laboratory of Chemical Biology of Nature Products (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jian-Bo Ji
- Key Laboratory of Chemical Biology of Nature Products (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xiao Wang
- Key Laboratory of Chemical Biology of Nature Products (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Chun-Guo Yang
- Shandong Yifang Pharmaceutical Co., Ltd., Jinan, China
| | - Yong-Qiang Lin
- Shandong Institute for Food and Drug Control, Jinan, Shandong, China
- NMPA Key Laboratory for Quality Evaluation of Gelatin Products, Jinan, China
- Shandong Engineering Research Center for Generic Technologies of Traditional Chinese Medicine Formula Granules, Jinan, China
| | - Shu-Qi Wang
- Key Laboratory of Chemical Biology of Nature Products (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
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Tittikpina NK, Katragunta K, Avula B, Ali Z, Khan IA. Strategy for the quality control of herbal preparations made of Sarcocephalus latifolius: Development and validation of a UHPLC-PDA method for quantification of angustoline and strictosamide and chemical profiling using LC-QToF. PHYTOCHEMICAL ANALYSIS : PCA 2023; 34:105-126. [PMID: 36281909 DOI: 10.1002/pca.3183] [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: 07/27/2022] [Revised: 10/03/2022] [Accepted: 10/05/2022] [Indexed: 06/16/2023]
Abstract
INTRODUCTION Sarcocephalus latifolius is one of the most used plants in West African traditional medicine to treat malaria. OBJECTIVE The aim is to establish a strategy to control the quality of herbal preparations made from S. latifolius. METHOD A UHPLC-PDA method was developed for the determination and quantification of the two main bioactive compounds (angustoline and strictosamide) in various parts of the plant. Additionally, an LC-QToF with electrospray ionization method is described for the identification and confirmation of compounds in samples of different parts of the plant. RESULTS With the UHPLC-PDA method, separation was achieved within 5 min using a C18 column stationary phase at a temperature of 45°C and a gradient system with a mobile phase of water and acetonitrile, both containing 0.1% formic acid. The method was validated for linearity, accuracy, precision (repeatability and intermediate precision), limit of detection (LOD), and limit of quantification (LOQ). The LOD and LOQ of angustoline were found to be 0.3 and 0.8 μg/ml, respectively, and those of strictosamide were found to be 0.1 and 0.3 μg/ml, respectively. Using the LC-QToF method, 90 secondary metabolites, including four isolated compounds from the plant's roots, were identified from leaf, bark, and root samples of S. latifolius. CONCLUSION This work is the first to propose a strategy to control the quality of herbal preparations made from S. latifolius. The developed method allows the quantification of the main bioactive compounds and the established chemical profile allows to distinguish the plant from any other species.
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Affiliation(s)
- Nassifatou Koko Tittikpina
- National Center for Natural Products Research (NCNPR), School of Pharmacy, University of Mississippi, Oxford, MS, USA
- Department of pharmaceutical sciences, Faculty of health sciences, University of Lome, Lomé, Togo
| | - Kumar Katragunta
- National Center for Natural Products Research (NCNPR), School of Pharmacy, University of Mississippi, Oxford, MS, USA
| | - Bharathi Avula
- National Center for Natural Products Research (NCNPR), School of Pharmacy, University of Mississippi, Oxford, MS, USA
| | - Zulfiqar Ali
- National Center for Natural Products Research (NCNPR), School of Pharmacy, University of Mississippi, Oxford, MS, USA
| | - Ikhlas A Khan
- National Center for Natural Products Research (NCNPR), School of Pharmacy, University of Mississippi, Oxford, MS, USA
- Division of Pharmacognosy, Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, MS, USA
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11
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Tan X, He Q, Pei Z, Liu Y, Feng Z, Li C, Tang C, Zhang Y. Rapid visual characterization of alkaloid changes in traditional processing of Tibetan medicine Aconitum pendulum by high-performance thin-layer chromatography coupled with desorption electrospray ionization mass spectrometry imaging. Front Pharmacol 2023; 14:1104473. [PMID: 37153806 PMCID: PMC10160446 DOI: 10.3389/fphar.2023.1104473] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 04/13/2023] [Indexed: 05/10/2023] Open
Abstract
Radix Aconiti, also known as Tie-bang-chui (TBC), Pang-a-na-bao, and Bang-na, is a typical aconitum Tibetan medicine and a perennial herb of the genus Aconitum pendulum Busch. and A. flavum Hand. -Mazz. dry roots. It has high toxicity and remarkable efficacy; as such, it is a typical "highly toxic and effective" drug that needs be processed and used. Processing methods of this Tibetan medicine include non-heating of highland barley wine (HBW) and fructus chebulae soup (FCS). This work aimed to understand differences in chemical composition between non-heat processed products and raw TBC. In this study, high-performance thin-layer chromatography (HPTLC) and desorption electrospray ionization mass spectrometry imaging (DESI-MSI) were used to analyze the chemical composition of TBC processed by FCS (F-TBC) and HBW (H-TBC). The MRM mode of HPLC-QqQ-MS/MS was selected to determine the changes of several representative alkaloids to comparison with the former results. A total of 52 chemical constituents were identified in raw and processed products, and the chemical composition of F-TBC and H-TBC changed slightly compared with that of raw TBC. The processing mechanism of H-TBC was also different from that of F-TBC, which might be related to the large amount of acidic tannins in FCS. It was found that the content of all six alkaloids decreased after processing by FCS, and all five alkaloids decreased except aconitine increased after processing by HBW. The combination of HPTLC and DESI-MSI could be an effective method for rapid identification of chemical components and changing rules in ethnic medicine. The wide application of this technology provides not only an alternative method for the traditional separation and identification of secondary metabolism but also a reference for research on the processing mechanism and quality control of ethnic medicine.
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Affiliation(s)
- Xiaoyan Tan
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qingxiu He
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhaoqing Pei
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yue Liu
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zige Feng
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Congying Li
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ce Tang
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Meishan Hosptial of Chengdu University of Traditional Chinese Medicine, Meishan, China
- *Correspondence: Ce Tang, ; Yi Zhang,
| | - Yi Zhang
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Meishan Hosptial of Chengdu University of Traditional Chinese Medicine, Meishan, China
- *Correspondence: Ce Tang, ; Yi Zhang,
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Wu ZH, Wang RZ, Sun ZL, Su Y, Xiao LT. A mass spectrometry imaging approach on spatiotemporal distribution of multiple alkaloids in Gelsemium elegans. FRONTIERS IN PLANT SCIENCE 2022; 13:1051756. [PMID: 36466241 PMCID: PMC9718364 DOI: 10.3389/fpls.2022.1051756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 11/01/2022] [Indexed: 06/17/2023]
Abstract
Gelsemium elegans contains multiple alkaloids with pharmacological effects, thus researchers focus on the identification and application of alkaloids extracted from G. elegans. Regretfully, the spatiotemporal distribution of alkaloids in G. elegans is still unclear. In this study, the desorption electrospray ionization mass spectrometry imaging (DESI-MSI) was applied to simultaneously analyze the distribution of pharmacologically important alkaloids in different organ/tissue sections of G. elegans at different growth stages. Finally, 23 alkaloids were visualized in roots, stems and leaves at seedling stage and 19 alkaloids were observed at mature stage. In mature G. elegans, 16 alkaloids were distributed in vascular bundle region of mature roots, 15 alkaloids were mainly located in the pith region of mature stems and 2 alkaloids were enriched in epidermis region of mature stems. A total of 16 alkaloids were detected in leaf veins of mature leaves and 17 alkaloids were detected in shoots. Interestingly, diffusion and transfer of multiple alkaloids in tissues have been observed along with the development and maturation. This study comprehensively characterized the spatial metabolomics of G. elegans alkaloids, and the spatiotemporal distribution of alkaloid synthesis. In addition, the results also have reference value for the development and application of Gelsemium elegans and other medicinal plants.
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Affiliation(s)
- Zi-Han Wu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | - Ruo-Zhong Wang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | - Zhi-Liang Sun
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, China
| | - Yi Su
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
| | - Lang-Tao Xiao
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, China
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Kumar S, Kumari D, Singh B. Genus Rauvolfia: A review of its ethnopharmacology, phytochemistry, quality control/quality assurance, pharmacological activities and clinical evidence. JOURNAL OF ETHNOPHARMACOLOGY 2022; 295:115327. [PMID: 35504505 DOI: 10.1016/j.jep.2022.115327] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 04/18/2022] [Accepted: 04/23/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The plants are from the genus Rauvolfia Plum. ex L. (Apocynaceae), which is represented by 74 species with many synonyms, and distributed worldwide, especially in the Asian, and African continents. Traditionally, some of them are used for the treatment of various disorders related to the central nervous system (CNS), cardiovascular diseases (CVD), and as an antidote due to the presence of monoterpene indole alkaloids (MIAs) such as ajmaline (144), ajmalicine (164) serpentine (182), yohimbine (190) and reserpine (214). AIM The present review provides comprehensive summarization and critical analysis of the traditional to modern applications of Rauvolfia species, and the major focus was to include traditional uses, phytochemistry, quality control, pharmacological properties, as well as clinical evidence that may be useful in the drug discovery process. MATERIALS AND METHODS Information related to traditional uses, chemical constituents, separation techniques/analytical methods, and pharmacological properties of the genus Rauvolfia were obtained using electronic databases such as Web of Science, Scopus, SciFinder, PubMed, PubChem, ChemSpider, and Google Scholar between the years 1949-2021. The scientific name of the species and its synonyms were checked with the information of The Plant List. RESULTS A total of seventeen Rauvolfia species have been traditionally explored for various therapeutic applications, out of which the roots of R. serpentina and R. vomitoria are used most commonly for the treatment of many diseases. About 287 alkaloids, seven terpenoids, nine flavonoids, and four phenolic acids have been reported in different parts of the forty-three species. Quality control (QC)/quality assurance (QA) of extracts/herbal formulations of Rauvolfia species was analyzed by qualitative and quantitative methods based on the major MIAs such as compounds 144, 164, 182, 190, and 214 using HPTLC, HPLC, and HPLC-MS. The various extracts of different plant parts of thirteen Rauvolfia species are explored for their pharmacological properties such as antimicrobial, antioxidant, antiprotozoal, antitrypanosomal, antipsychotic, cardioprotective, cholinesterase inhibitory, and hepatoprotective. Of which, clinical trials of herbal formulations/extracts of R. serpentina and MIAs have been reported for CVD, CNS, antihypertensive therapy, antidiabetic effects, and psoriasis therapy, while the extracts and phytoconstituents of remaining Rauvolfia species are predominantly significant, owning them to be additional attention for further investigation under clinical trials and QC/QA. CONCLUSION The present communication has provided a comprehensive, systematic, and critically analyzed vision into the traditional uses, phytochemistry, and modern therapeutic applications of the genus Rauvolfia are validated by scientific evidence. In addition, different plant parts from this genus, especially raw and finished herbal products of the roots of R. serpentina have been demonstrated for the QC/QA.
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Affiliation(s)
- Sunil Kumar
- Department of Chemistry, Ma. Kanshiram Government Degree College, Ninowa, Farrukhabad, 209602, India; Chhatrapati Shahu Ji Maharaj University (CSJM) Kanpur, Kalyanpur, 208024, Uttar Pradesh, India.
| | - Diksha Kumari
- Botanic Garden Division, CSIR-National Botanical Research Institute, Lucknow, 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India
| | - Bikarma Singh
- Botanic Garden Division, CSIR-National Botanical Research Institute, Lucknow, 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, Uttar Pradesh, India
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14
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Nie LX, Huang LY, Wang XP, Lv LF, Yang XX, Jia XF, Kang S, Yao LW, Dai Z, Ma SC. Desorption Electrospray Ionization Mass Spectrometry Imaging Illustrates the Quality Characters of Isatidis Radix. FRONTIERS IN PLANT SCIENCE 2022; 13:897528. [PMID: 35783961 PMCID: PMC9240750 DOI: 10.3389/fpls.2022.897528] [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: 04/06/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
For a long history, herbal medicines have made significant contributions to human health all around the world. However, the exploration of an effective approach to illustrate their inner quality remains a challenge. So, it is imperative to develop new methods and technologies to characterize and identify quality markers of herbal medicines. Taking Isatidis Radix, the dried root of Isatis indigotica as an example, desorption electrospray ionization (DESI), in combination with quadrupole-time-of-flight mass spectrometry (Q-TOF/MS), was applied in this work for the first time to reveal the comprehensive spatial distribution of metabolites and, further, to illustrate quality characters of this herbal medicine. After simple pretreatment, 102 metabolites including alkaloids, sulfur-containing compounds, phenylpropanoids, nucleosides, amino acids, organic acids, flavonoids, phenols, terpenes, saccharides, peptides, and sphingolipids were characterized, some of which were successfully localized and visualized in the transverse section of the root. Based on the ion images, samples with different quality characters were distinguished unambiguously by the pattern recognition method of orthogonal partial least squares discrimination analysis (OPLS-DA). Simultaneously, 11 major influencing components exerting higher ion intensities in superior samples were identified as the potential quality markers of Isatidis Radix. Desorption electrospray ionization (DESI) mass spectrometry imaging (MSI), together with chemometric analysis could not only improve the understanding of the plant biology of herbal medicines but also be beneficial in the identification of quality markers, so as to carry out better quality control of herbal medicines.
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Affiliation(s)
- Li-Xing Nie
- National Institutes for Food and Drug Control, National Medical Products Administration, Beijing, China
- WHO Collaborating Center for Herbal Medicine (CHN-139), Beijing, China
| | - Lie-Yan Huang
- National Institutes for Food and Drug Control, National Medical Products Administration, Beijing, China
| | - Xin-Ping Wang
- Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Lin-Feng Lv
- Shaoxing Institutes for Food and Drug Control, Shaoxing, China
| | | | | | - Shuai Kang
- National Institutes for Food and Drug Control, National Medical Products Administration, Beijing, China
| | - Ling-Wen Yao
- National Institutes for Food and Drug Control, National Medical Products Administration, Beijing, China
| | - Zhong Dai
- National Institutes for Food and Drug Control, National Medical Products Administration, Beijing, China
| | - Shuang-Cheng Ma
- National Institutes for Food and Drug Control, National Medical Products Administration, Beijing, China
- WHO Collaborating Center for Herbal Medicine (CHN-139), Beijing, China
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15
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Chen CY, Li YH, Li Z, Lee MR. Characterization of effective phytochemicals in traditional Chinese medicine by mass spectrometry. MASS SPECTROMETRY REVIEWS 2022:e21782. [PMID: 35638257 DOI: 10.1002/mas.21782] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/23/2021] [Accepted: 04/08/2022] [Indexed: 06/15/2023]
Abstract
Traditional Chinese medicines (TCMs) have been widely used in clinical and healthcare applications around the world. The characterization of the phytochemical components in TCMs is very important for studying the therapeutic mechanism of TCMs. In the analysis process, sample preparation and instrument analysis are key steps to improve analysis performance and accuracy. In recent years, chromatography combined with mass spectrometry (MS) has been widely used for the separation and detection of trace components in complex TCM samples. This article reviews various sample preparation techniques and chromatography-MS techniques, including the application of gas chromatography-MS and liquid chromatography-MS and other MS techniques in the characterization of phytochemicals in TCM materials and Chinese medicine products. This article also describes a new ambient ionization MS method for rapid and high-throughput analysis of TCM components.
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Affiliation(s)
- Chung-Yu Chen
- Research Center for Cancer Biology, China Medical University, Taichung, Taiwan, ROC
- Department of Chemistry, National Chung Hsing University, Taichung, Taiwan, ROC
| | - Yen-Hsien Li
- Department of Chemistry, National Chung Hsing University, Taichung, Taiwan, ROC
| | - Zuguang Li
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, People's Republic of China
| | - Maw-Rong Lee
- Department of Chemistry, National Chung Hsing University, Taichung, Taiwan, ROC
- Graduate Institute of Food Safety, National Chung Hsing University, Taichung, Taiwan, ROC
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16
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Wu ZH, Su Y, Luo ZF, Sun ZL, Gong ZH, Xiao LT. In Situ Visual Distribution of Gelsemine, Koumine, and Gelsenicine by MSI in Gelsemiumelegans at Different Growth Stages. Molecules 2022; 27:1810. [PMID: 35335173 PMCID: PMC8952314 DOI: 10.3390/molecules27061810] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/26/2022] [Accepted: 03/05/2022] [Indexed: 02/05/2023] Open
Abstract
The distribution of pharmatically important alkaloids gelsemine, koumine, and gelsenicine in Gelsemium elegans tissues is a hot topic attracting research attention. Regretfully, the in planta visual distribution details of these alkaloids are far from clear although several researches reported the alkaloid quantification in G. elegans by LC-MS/MS. In this study, mass imaging spectrometry (MSI) was employed to visualize the in situ visualization of gelsemine, koumine, and gelsenicine in different organs and tissues of G. elegans at different growth stages, and the relative quantification of three alkaloids were performed according to the image brightness intensities captured by the desorption electrospray ionization MSI (DESI-MSI). The results indicated that these alkaloids were mainly accumulated in pith region and gradually decreased from pith to epidermis. Interestingly, three alkaloids were found to be present in higher abundance in the leaf vein. Along with the growth and development, the accumulation of these alkaloids was gradually increased in root and stem. Moreover, we employed LC-MS/MS to quantify three alkaloids and further validated the in situ distributions. The content of koumine reached 249.2 μg/g in mature roots, 272.0 μg/g in mature leaves, and 149.1 μg/g in mature stems, respectively, which is significantly higher than that of gelsemine and gelsenicine in the same organ. This study provided an accurately in situ visualization of gelsemine, koumine, and gelsenicine in G. elegans, and would be helpful for understanding their accumulation in plant and guiding application.
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Affiliation(s)
- Zi-Han Wu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China; (Z.-H.W.); (Y.S.); (Z.-F.L.)
| | - Yi Su
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China; (Z.-H.W.); (Y.S.); (Z.-F.L.)
| | - Zhou-Fei Luo
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China; (Z.-H.W.); (Y.S.); (Z.-F.L.)
| | - Zhi-Liang Sun
- College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Zhi-Hong Gong
- Waters Technology (Shanghai) Co., Ltd., Shanghai 200120, China;
| | - Lang-Tao Xiao
- College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China; (Z.-H.W.); (Y.S.); (Z.-F.L.)
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17
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Liu Y, Yang X, Zhou C, Wang Z, Kuang T, Sun J, Xu B, Meng X, Zhang Y, Tang C. Unveiling Dynamic Changes of Chemical Constituents in Raw and Processed Fuzi With Different Steaming Time Points Using Desorption Electrospray Ionization Mass Spectrometry Imaging Combined With Metabolomics. Front Pharmacol 2022; 13:842890. [PMID: 35359875 PMCID: PMC8960191 DOI: 10.3389/fphar.2022.842890] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 02/16/2022] [Indexed: 12/17/2022] Open
Abstract
Fuzi is a famous toxic traditional herbal medicine, which has long been used for the treatment of various diseases in China and many other Asian countries because of its extraordinary pharmacological activities and high toxicity. Different processing methods to attenuate the toxicity of Fuzi are important for its safe clinical use. In this study, desorption electrospray ionization mass spectrometry imaging (DESI-MSI) with a metabolomics-combined multivariate statistical analysis approach was applied to investigate a series of Aconitum alkaloids and explore potential metabolic markers to understand the differences between raw and processed Fuzi with different steaming time points. Moreover, the selected metabolic markers were visualized by DESI-MSI, and six index alkaloids’ contents were determined through HPLC. The results indicated visible differences among raw and processed Fuzi with different steaming times, and 4.0 h is the proper time for toxicity attenuation and efficacy reservation. A total of 42 metabolic markers were identified to discriminate raw Fuzi and those steamed for 4.0 and 8.0 h, which were clearly visualized in DESI-MSI. The transformation from diester-diterpenoid alkaloids to monoester-diterpenoid alkaloids and then to non-esterified diterpene alkaloids through hydrolysis is the major toxicity attenuation process during steaming. DESI-MSI combined with metabolomics provides an efficient method to visualize the changeable rules and screen the metabolic markers of Aconitum alkaloids during steaming. The wide application of this technique could help identify markers and reveal the possible chemical transition mechanism in the “Paozhi” processes of Fuzi. It also provides an efficient and easy way to quality control and ensures the safety of Fuzi and other toxic traditional Chinese medicine.
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Affiliation(s)
- Yue Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xuexin Yang
- Waters Technology (Beijing) Co., Ltd., Beijing, China
| | - Chao Zhou
- Waters Technology (Beijing) Co., Ltd., Beijing, China
| | - Zhang Wang
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Tingting Kuang
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiayi Sun
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Binjie Xu
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xianli Meng
- Innovative Institute of Chinese Medicine and Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yi Zhang
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ce Tang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- *Correspondence: Ce Tang,
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18
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Huang L, Nie L, Dai Z, Dong J, Jia X, Yang X, Yao L, Ma SC. The application of mass spectrometry imaging in traditional Chinese medicine: a review. Chin Med 2022; 17:35. [PMID: 35248086 PMCID: PMC8898510 DOI: 10.1186/s13020-022-00586-8] [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: 12/16/2021] [Accepted: 02/22/2022] [Indexed: 08/26/2023] Open
Abstract
AbstractMass spectrometry imaging is a frontier technique which connects classical mass spectrometry with ion imaging. Various types of chemicals could be visualized in their native tissues using mass spectrometry imaging. Up to now, the most commonly applied mass spectrometry imaging techniques are matrix assisted laser desorption ionization mass spectrometry imaging, desorption electrospray ionization mass spectrometry imaging and secondary ion mass spectrometry imaging. This review gives an introduction to the principles, development and applications of commonly applied mass spectrometry imaging techniques, and then illustrates the application of mass spectrometry imaging in the investigation of traditional Chinese medicine. Recently, mass spectrometry imaging has been adopted to explore the spatial distribution of endogenous metabolites in traditional Chinese medicine. Data collected from mass spectrometry imaging can be further utilized to search for marker components of traditional Chinese medicine, discover new compounds from traditional herbs, and differentiate between medicinal plants that are similar in botanical features. Moreover, mass spectrometry imaging also plays a role in revealing the pharmacological and toxicological mechanisms of traditional Chinese medicine.
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Tang X, Zhao M, Chen Z, Huang J, Chen Y, Wang F, Wan K. Visualizing the spatial distribution of metabolites in Clausena lansium (Lour.) skeels using matrix-assisted laser desorption/ionization mass spectrometry imaging. PHYTOCHEMISTRY 2021; 192:112930. [PMID: 34481177 DOI: 10.1016/j.phytochem.2021.112930] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 08/17/2021] [Accepted: 08/21/2021] [Indexed: 06/13/2023]
Abstract
Clausena lansium (Lour.) Skeels (Rutaceae) is a natural bioactive plant. Its roots, stems, leaves, and seeds are widely used in Chinese traditional and folk medicine. Although the characterization and functional analysis of bioactive components in Clausena lansium (Lour.) Skeels has been widely reported, the spatial distribution of these compounds within the main plant tissues remains undefined. Here, we adopted matrix-assisted laser desorption/ionization-mass spectrometry imaging (MALDI-MSI) to reveal the spatial distribution of active alkaloids, coumarins, sugars and organic acids in C. lansium. Using a combined wet and dry matrix covering method to enhance sensitivity, we detected alkaloids throughout the fruit including 3-methylcarbazole and murrastinine which were especially rich in the kernel tissues but were restricted to the stem xylem and medulla and in the leaf epidermal region. Interestingly, murrayanine and heptaphylline were mainly found in pulp tissues with very low content in the stems and leaves while girinimbine was only distributed within the outer kernel skin. Coumarins were mainly distributed in the fruit pericarp and leaf vein tissues but with no clear spatial specificity in stems. Lastly, hexoses were mainly evident in the fruit pulp, although sucrose was also found in the pericarp, pulp, and pulp fibers with citric acid being distributed throughout the fruit. The accurate spatial and chemical information obtained provides new insights into the specific accumulation of metabolites in individual tissues.
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Affiliation(s)
- Xuemei Tang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality (Guangzhou), Ministry of Agriculture and Rural Affairs, China
| | - Meiyan Zhao
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Zhiting Chen
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Jianxiang Huang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality (Guangzhou), Ministry of Agriculture and Rural Affairs, China
| | - Yan Chen
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Fuhua Wang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality (Guangzhou), Ministry of Agriculture and Rural Affairs, China
| | - Kai Wan
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China; Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality (Guangzhou), Ministry of Agriculture and Rural Affairs, China.
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20
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Tsugawa H, Rai A, Saito K, Nakabayashi R. Metabolomics and complementary techniques to investigate the plant phytochemical cosmos. Nat Prod Rep 2021; 38:1729-1759. [PMID: 34668509 DOI: 10.1039/d1np00014d] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Covering: up to 2021Plants and their associated microbial communities are known to produce millions of metabolites, a majority of which are still not characterized and are speculated to possess novel bioactive properties. In addition to their role in plant physiology, these metabolites are also relevant as existing and next-generation medicine candidates. Elucidation of the plant metabolite diversity is thus valuable for the successful exploitation of natural resources for humankind. Herein, we present a comprehensive review on recent metabolomics approaches to illuminate molecular networks in plants, including chemical isolation and enzymatic production as well as the modern metabolomics approaches such as stable isotope labeling, ultrahigh-resolution mass spectrometry, metabolome imaging (spatial metabolomics), single-cell analysis, cheminformatics, and computational mass spectrometry. Mass spectrometry-based strategies to characterize plant metabolomes through metabolite identification and annotation are described in detail. We also highlight the use of phytochemical genomics to mine genes associated with specialized metabolites' biosynthesis. Understanding the metabolic diversity through biotechnological advances is fundamental to elucidate the functions of the plant-derived specialized metabolome.
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Affiliation(s)
- Hiroshi Tsugawa
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan. .,RIKEN Center for Integrative Medical Sciences, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.,Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology, 2-24-16 Nakamachi, Koganei, Tokyo 184-8588, Japan.,Graduate School of Medical Life Science, Yokohama City University, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
| | - Amit Rai
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan. .,Plant Molecular Science Center, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Kazuki Saito
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan. .,Plant Molecular Science Center, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Ryo Nakabayashi
- RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.
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21
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Wang T, Lee HK, Yue GGL, Chung ACK, Lau CBS, Cai Z. A novel binary matrix consisting of graphene oxide and caffeic acid for the analysis of scutellarin and its metabolites in mouse kidney by MALDI imaging. Analyst 2021; 146:289-295. [PMID: 33140762 DOI: 10.1039/d0an01539c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Although the in vivo metabolic pathways of scutellarin, a traditional Chinese medicine, have been investigated via different liquid chromatography techniques, studies on the distribution and location of scutellarin within organ tissue sections have not been reported. Matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI) can generate in situ spatial distribution profiles for scutellarin and its metabolites in a kidney section. However, the direct detection of a small molecule (m/z < 600) using conventional matrices often results in ion suppression and matrix interferences. In this study, we demonstrated a novel methodology using MALDI-MSI for the in situ spatial localization of scutellarin and its metabolites in kidney tissues by applying a binary matrix of graphene oxide (GO) and caffeic acid (CA). The results indicated that the binary matrix (GO/CA) significantly improved the detection efficiency of scutellarin and its metabolites with relatively high sensitivity, selectivity and reproducibility on tissue sections. This methodology was successfully applied to map scutellarin and its metabolites with MALDI-MSI in mouse kidney tissues. Specifically, scutellarin and scutellarein were found to be located in the cortex and medulla regions of the kidney with relatively high abundance, whereas the remaining metabolites appeared in the cortex with low abundance. We believe that the novel imaging methodology may also be used for the studies of cancerous tissues and inform the development of the future therapies of kidney tumors.
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Affiliation(s)
- Tao Wang
- Department of Chemistry and State Key Laboratory of Environmental and Biological Analysis, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong SAR, P. R. China.
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22
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Conceição RS, Perez CJ, Branco A, Botura MB, Ifa DR. Identification of Sassafras albidum alkaloids by high-performance thin-layer chromatography tandem mass spectrometry and mapping by desorption electrospray ionization mass spectrometry imaging. JOURNAL OF MASS SPECTROMETRY : JMS 2021; 56:e4674. [PMID: 33155339 DOI: 10.1002/jms.4674] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 10/16/2020] [Accepted: 10/19/2020] [Indexed: 06/11/2023]
Abstract
Sassafras albidum is an important tree species that occurs across North America. The presence of benzylisoquinoline and aporphine alkaloids has been previously described; however, the spatial distribution of these compounds within S. albidum and other plants of Lauraceae family is still unclear. Mass spectrometry imaging has become an important tool in analysis of plants metabolites, uncovering important contributions about the functional role, biosynthetic pathway, and accumulation of these compounds in the plant. This work aimed to identify further alkaloids present in S. albidum roots, twigs, and leaves by high-performance thin-layer chromatography coupled to desorption electrospray ionization multistage mass spectrometry (HPTLC DESI-MSn ) and to map the spatial distribution of these compounds by DESI-MS imaging. A total of 12 alkaloids were indentified in the roots and twigs, and six of them were detected for the first time in S. albidum. A high number of alkaloids was found in S. albidum roots; however, alkaloids were not detected in the leaves. Cross sections of roots and twigs were blotted onto TLC plates assisted by heating and solvent extraction, and these imprints were analyzed by DESI-MS imaging. The profile of alkaloid spatial distribution in DESI-MS images showed different accumulation patterns across and within different plant parts. Most alkaloids displayed higher intensities in the outer-most layer of the roots and twigs. The detailed spatial localization pattern of these alkaloids analyzed by DESI-MS imaging in different plant parts could contribute to a better understanding of the profile of distribution, accumulation, and biosynthesis of benzylisoquinoline and aporphine alkaloids.
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Affiliation(s)
- Rodrigo S Conceição
- Center for Research in Mass Spectrometry, Department of Chemistry, York University, Toronto, Ontario, Canada
- Departament of Health, State University of Feira de Santana, Feira de Santana, Brazil
| | - Consuelo J Perez
- Center for Research in Mass Spectrometry, Department of Chemistry, York University, Toronto, Ontario, Canada
| | - Alexsandro Branco
- Departament of Health, State University of Feira de Santana, Feira de Santana, Brazil
| | - Mariana B Botura
- Departament of Health, State University of Feira de Santana, Feira de Santana, Brazil
| | - Demian R Ifa
- Center for Research in Mass Spectrometry, Department of Chemistry, York University, Toronto, Ontario, Canada
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de Souza LP, Borghi M, Fernie A. Plant Single-Cell Metabolomics-Challenges and Perspectives. Int J Mol Sci 2020; 21:E8987. [PMID: 33256100 PMCID: PMC7730874 DOI: 10.3390/ijms21238987] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/24/2020] [Accepted: 11/25/2020] [Indexed: 02/07/2023] Open
Abstract
Omics approaches for investigating biological systems were introduced in the mid-1990s and quickly consolidated to become a fundamental pillar of modern biology. The idea of measuring the whole complement of genes, transcripts, proteins, and metabolites has since become widespread and routinely adopted in the pursuit of an infinity of scientific questions. Incremental improvements over technical aspects such as sampling, sensitivity, cost, and throughput pushed even further the boundaries of what these techniques can achieve. In this context, single-cell genomics and transcriptomics quickly became a well-established tool to answer fundamental questions challenging to assess at a whole tissue level. Following a similar trend as the original development of these techniques, proteomics alternatives for single-cell exploration have become more accessible and reliable, whilst metabolomics lag behind the rest. This review summarizes state-of-the-art technologies for spatially resolved metabolomics analysis, as well as the challenges hindering the achievement of sensu stricto metabolome coverage at the single-cell level. Furthermore, we discuss several essential contributions to understanding plant single-cell metabolism, finishing with our opinion on near-future developments and relevant scientific questions that will hopefully be tackled by incorporating these new exciting technologies.
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Affiliation(s)
- Leonardo Perez de Souza
- Max Planck Institute of Molecular Plant Physiology, Am Müehlenberg 1, Golm, 14476 Potsdam, Germany
| | - Monica Borghi
- Department of Biology, Utah State University, 1435 Old Main Hill, Logan, UT 84322, USA;
| | - Alisdair Fernie
- Max Planck Institute of Molecular Plant Physiology, Am Müehlenberg 1, Golm, 14476 Potsdam, Germany
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C. T. S, C.K. J, Unnithan JK, K.M. P, Balachandran I. Identification of suitable substitute for Sarpagandha (Rauvolfia serpentina (L.) Benth. ex Kurz) by phytochemical and pharmacological evaluation. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2020. [DOI: 10.1186/s43088-020-00069-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Sarpagandha is an important Ayurveda drug used for treating many diseases including high blood pressure. Rauvolfia serpentina is the genuine source plant for Sarpagandha and it is a critically endangered species belonging to the family Apocynaceae. The present study is aimed at finding out an appropriate substitute for the endangered species R. serpentina by evaluating the phytochemistry and biological activities of allied species such as Rauvolfia tetraphylla L, Rauvolfia hookeri S.R.Sriniv. & Chithra, Rauvolfia micrantha Hook.f., and Rauvolfia verticillata (Lour.) Baill.
Results
The result indicated that the root of R. serpentina is phytochemically similar with that of R. tetraphylla. Chemical profiling using HPTLC showed similar chemical profiles for R. serpentina and R. tetraphylla. LC/MS characterization of various species showed that most of the active alkaloids are common for both R. serpentina and R. tetraphylla. Anti-hypertensive activity and analgesic activity were evaluated in experimental animal model. Rauvolfia serpentina and R. tetraphylla showed comparatively significant reduction in systolic and diastolic pressure. Comparable analgesic activity was also shown by R. serpentina and R. tetraphylla.
Conclusion
On the basis of phytochemical and pharmacological evaluation, it was concluded that the root of R. tetraphylla can be used as a validated substitute for Sarpagandha.
Graphical abstract
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25
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Mass spectrometry imaging as a potential technique for diagnostic of Huanglongbing disease using fast and simple sample preparation. Sci Rep 2020; 10:13457. [PMID: 32778716 PMCID: PMC7417563 DOI: 10.1038/s41598-020-70385-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 07/27/2020] [Indexed: 12/13/2022] Open
Abstract
Huanglongbing (HLB) is a disease of worldwide incidence that affects orange trees, among other commercial varieties, implicating in great losses to the citrus industry. The disease is transmitted through Diaphorina citri vector, which inoculates Candidatus Liberibacter spp. in the plant sap. HLB disease lead to blotchy mottle and fruit deformation, among other characteristic symptoms, which induce fruit drop and affect negatively the juice quality. Nowadays, the disease is controlled by eradication of sick, symptomatic plants, coupled with psyllid control. Polymerase chain reaction (PCR) is the technique most used to diagnose the disease; however, this methodology involves high cost and extensive sample preparation. Mass spectrometry imaging (MSI) technique is a fast and easily handled sample analysis that, in the case of Huanglongbing allows the detection of increased concentration of metabolites associated to the disease, including quinic acid, phenylalanine, nobiletin and sucrose. The metabolites abieta-8,11,13-trien-18-oic acid, suggested by global natural product social molecular networking (GNPS) analysis, and 4-acetyl-1-methylcyclohexene showed a higher distribution in symptomatic leaves and have been directly associated to HLB disease. Desorption electrospray ionization coupled to mass spectrometry imaging (DESI-MSI) allows the rapid and efficient detection of biomarkers in sweet oranges infected with Candidatus Liberibacter asiaticus and can be developed into a real-time, fast-diagnostic technique.
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