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Chen W, Chen J, Xu Y, Gong H, Shi S, Wang S, Wang H. Applications of the Yariv reagent in polysaccharide analysis and plant physiology from theory to practice. Carbohydr Polym 2024; 329:121781. [PMID: 38286551 DOI: 10.1016/j.carbpol.2024.121781] [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: 10/11/2023] [Revised: 12/21/2023] [Accepted: 01/02/2024] [Indexed: 01/31/2024]
Abstract
Arabinogalactan (AG), a biologically active substance found abundantly in plants, is of significant interest in plant physiology due to its unique physicochemical properties. Yariv reagent, widely utilized in AG-II related applications, forms insoluble precipitates when bound to AG-II. This paper provides a comprehensive overview of the synthesis methods, physicochemical properties, and various dissociation methods of the Yariv reagent to enhance its utility in AG-II studies. Furthermore, the review explores the binding mechanisms and applications of the Yariv reagent, highlighting the advancements in studying the Yariv-AG complex in plant physiology. The aim of this review is to inspire new research ideas and foster novel applications of the Yariv reagent from synthesis to implementation.
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Affiliation(s)
- Weihao Chen
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Jie Chen
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yongbin Xu
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Huan Gong
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Songshan Shi
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Shunchun Wang
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Huijun Wang
- The MOE Key Laboratory for Standardization of Chinese Medicines and the SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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Mueller KK, Pfeifer L, Schuldt L, Szövényi P, de Vries S, de Vries J, Johnson KL, Classen B. Fern cell walls and the evolution of arabinogalactan proteins in streptophytes. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 114:875-894. [PMID: 36891885 DOI: 10.1111/tpj.16178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/22/2023] [Accepted: 03/06/2023] [Indexed: 05/27/2023]
Abstract
Significant changes have occurred in plant cell wall composition during evolution and diversification of tracheophytes. As the sister lineage to seed plants, knowledge on the cell wall of ferns is key to track evolutionary changes across tracheophytes and to understand seed plant-specific evolutionary innovations. Fern cell wall composition is not fully understood, including limited knowledge of glycoproteins such as the fern arabinogalactan proteins (AGPs). Here, we characterize the AGPs from the leptosporangiate fern genera Azolla, Salvinia, and Ceratopteris. The carbohydrate moiety of seed plant AGPs consists of a galactan backbone including mainly 1,3- and 1,3,6-linked pyranosidic galactose, which is conserved across the investigated fern AGPs. Yet, unlike AGPs of angiosperms, those of ferns contained the unusual sugar 3-O-methylrhamnose. Besides terminal furanosidic arabinose, Ara (Araf), the main linkage type of Araf in the ferns was 1,2-linked Araf, whereas in seed plants 1,5-linked Araf is often dominating. Antibodies directed against carbohydrate epitopes of AGPs supported the structural differences between AGPs of ferns and seed plants. Comparison of AGP linkage types across the streptophyte lineage showed that angiosperms have rather conserved monosaccharide linkage types; by contrast bryophytes, ferns, and gymnosperms showed more variability. Phylogenetic analyses of glycosyltransferases involved in AGP biosynthesis and bioinformatic search for AGP protein backbones revealed a versatile genetic toolkit for AGP complexity in ferns. Our data reveal important differences across AGP diversity of which the functional significance is unknown. This diversity sheds light on the evolution of the hallmark feature of tracheophytes: their elaborate cell walls.
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Affiliation(s)
- Kim-Kristine Mueller
- Pharmaceutical Institute, Department of Pharmaceutical Biology, Christian-Albrechts-University of Kiel, Gutenbergstr. 76, 24118, Kiel, Germany
| | - Lukas Pfeifer
- Pharmaceutical Institute, Department of Pharmaceutical Biology, Christian-Albrechts-University of Kiel, Gutenbergstr. 76, 24118, Kiel, Germany
| | - Lina Schuldt
- Pharmaceutical Institute, Department of Pharmaceutical Biology, Christian-Albrechts-University of Kiel, Gutenbergstr. 76, 24118, Kiel, Germany
| | - Péter Szövényi
- Department of Systematic and Evolutionary Botany, University of Zurich, Zollikerstr. 107, 8008, Zurich, Switzerland
- Zurich-Basel Plant Science Center (PSC), ETH Zürich, Tannenstrasse 1, 8092, Zürich, Switzerland
| | - Sophie de Vries
- Department of Applied Bioinformatics, Institute of Microbiology and Genetics, University of Goettingen, Goldschmidtstr. 1, 37077, Goettingen, Germany
| | - Jan de Vries
- Department of Applied Bioinformatics, Institute of Microbiology and Genetics, University of Goettingen, Goldschmidtstr. 1, 37077, Goettingen, Germany
- Department of Applied Bioinformatics, University of Goettingen, Goettingen Center for Molecular Biosciences (GZMB), Goldschmidtsr. 1, 37077, Goettingen, Germany
- Campus Institute Data Science (CIDAS), University of Goettingen, Goldschmidstr. 1, 37077, Goettingen, Germany
| | - Kim L Johnson
- Department of Animal, Plant and Soil Science, La Trobe Institute for Agriculture & Food, La Trobe University, AgriBio Building, Bundoora, Victoria, 3086, Australia
| | - Birgit Classen
- Pharmaceutical Institute, Department of Pharmaceutical Biology, Christian-Albrechts-University of Kiel, Gutenbergstr. 76, 24118, Kiel, Germany
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Differential Expression of Arabinogalactan in Response to Inclination in Stem of Pinus radiata Seedlings. PLANTS 2022; 11:plants11091190. [PMID: 35567191 PMCID: PMC9104628 DOI: 10.3390/plants11091190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 04/23/2022] [Accepted: 04/27/2022] [Indexed: 11/17/2022]
Abstract
Arabinogalactan proteins (AGPs) are members of a family of proteins that play important roles in cell wall dynamics. AGPs from inclined pines were determined using JIM7, LM2, and LM6 antibodies, showing a higher concentration in one side of the stem. The accumulation of AGPs in xylem and cell wall tissues is enhanced in response to loss of tree stem verticality. The differential gene expression of AGPs indicates that these proteins could be involved in the early response to inclination and also trigger signals such as lignin accumulation, as well as thicken cell wall and lamella media to restore stem vertical growth. A subfamily member of AGPs, which is Fasciclin-like has been described in angiosperm species as inducing tension wood and in some gymnosperms. A search for gene sequences of this subfamily was performed on an RNA-seq library, where 12 sequences were identified containing one or two fasciclin I domains (FAS), named PrFLA1 to PrFLA12. Four of these sequences were phylogenetically classified in group A, where PrFLA1 and PrFLA4 are differentially expressed in tilted pine trees.
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Park SJ, Lee M, Kim D, Oh DH, Prasad KS, Eun S, Lee J. Echinacea purpurea Extract Enhances Natural Killer Cell Activity In Vivo by Upregulating MHC II and Th1-type CD4 + T Cell Responses. J Med Food 2021; 24:1039-1049. [PMID: 34668764 DOI: 10.1089/jmf.2021.k.0064] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
There are a number of factors that cause immune system disruption, including infection caused by foreign antigens and decreased immunity due to excessive exercise, and public interest in improving immunity is growing. In this study, we investigate the immunomodulatory effects of Echinacea purpurea (E) extract in C57BL/6N mice that were exposed to a forced swimming exercise. There were six experimental groups as follows: wild-type, forced swimming exercise control, positive control (red ginseng, 300 mg/kg), and E (50, 100, and 200 mg/kg b.w.) groups. The mice were administered the E extract for 2 weeks. We detected chicoric acid, the active substance of E, through high-performance liquid chromatography and evaluated changes in the following laboratory values in response to forced swimming exercise using flow cytometry and ELISA: the major histocompatibility complex (MHC), CD4+ and CD8+ T cells, Th1 and Th2 cytokines, natural killer (NK) cell activity, and number of leukocytes. Oral E intake increased levels of MHC II, CD4+ T cells, Th1 cytokines, and NK cell activity. In addition, E treatment increased B cell proliferation, leukocyte counts, and immunoglobulin levels. Taken together, these results suggest that the chicoric acid of E can improve immune response by controlling NK cell activity, which may be a useful function for immunomodulation systems.
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Affiliation(s)
- Soo-Jeung Park
- Department of Medical Nutrition, Kyung Hee University, Yongin, Korea
| | - Minhee Lee
- Department of Medical Nutrition, Kyung Hee University, Yongin, Korea
| | - Dakyung Kim
- Department of Medical Nutrition, Kyung Hee University, Yongin, Korea
| | - Dong Hwan Oh
- Department of Medical Nutrition, Kyung Hee University, Yongin, Korea
| | | | - Sangwon Eun
- R&D Division, Daehan Chemtech Co., Ltd., Seoul, Korea
| | - Jeongmin Lee
- Department of Medical Nutrition, Kyung Hee University, Yongin, Korea
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Arabinogalactan-proteins from non-coniferous gymnosperms have unusual structural features. Carbohydr Polym 2021; 261:117831. [PMID: 33766335 DOI: 10.1016/j.carbpol.2021.117831] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 02/11/2021] [Accepted: 02/12/2021] [Indexed: 11/24/2022]
Abstract
Arabinogalactan-proteins (AGPs), important signalling molecules of the plant cell wall, are structurally extensively investigated in angiosperms, but information on AGPs in gymnosperms is still limited. We characterized AGPs from the gymnosperms Ginkgo biloba, Ephedra distachya, Encephalartos longifolius and Cycas revoluta. The protein contents are comparable to that of angiosperm AGPs. Hydroxyproline is the site of linking the carbohydrate part and was detected in all AGPs with highest concentration in Cycas AGP (1.1 % of the AGP). Interestingly, with the exception of Cycas, all AGPs contained the monosaccharide 3-O-methylrhamnose not present in angiosperm polysaccharides. The carbohydrate moieties of Cycas and Ephredra showed the main components 1,3,6-linked galactose and terminal arabinose typical of angiosperm AGPs, whereas that of Ginkgo AGP was unique with 1,4-linked galactose as dominant structural element. Bioinformatic search for glycosyltransferases in Ginkgo genome also revealed a lower number of galactosyltransferases responsible for biosynthesis of the 1,3-Gal/1,6-Gal AGP backbone.
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Hou R, Xu T, Li Q, Yang F, Wang C, Huang T, Hao Z. Polysaccharide from Echinacea purpurea reduce the oxidant stress in vitro and in vivo. Int J Biol Macromol 2020; 149:41-50. [PMID: 31953178 DOI: 10.1016/j.ijbiomac.2020.01.129] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Revised: 01/06/2020] [Accepted: 01/13/2020] [Indexed: 12/23/2022]
Abstract
Echinacea purpurea polysaccharides (EPPS) were extracted through water extract and alcohol precipitate method. Three polysaccharides were purified by DEAE cellulose, named EPPS-1, EPPS-2 and EPPS-3. The antioxidant activities in three polysaccharides were screened by free radical scavenging test and EPPS-3 possessed the best antioxidant function. Then the antioxidant activities of EPPS-3 were further explored in oxidative damage model in vitro and in vivo for the first time. The results showed that the antioxidases and the metabolism content were significantly improved in EPPS-3 group. EPPS-3 could protect hepatic tissue from the injury of CCl4 compared with the oxidative damage model. The mechanism research demonstrated that EPPS-3 restrained cell apoptosis and promoted Nrf2 cell signal pathway to play an antioxidant impact. Therefore, EPPS-3 an ingredient could be served as amazing gift for food industry and feed additive.
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Affiliation(s)
- Ranran Hou
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Tianli Xu
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Qiu Li
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Fengfang Yang
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Chunyuan Wang
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Tingting Huang
- Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China
| | - Zhihui Hao
- College of Veterinary Medicine, China Agricultural University, Beijing, China; Agricultural Bio-pharmaceutical Laboratory, Qingdao Agricultural University, Qingdao, China.
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Classen B, Baumann A, Utermoehlen J. Arabinogalactan-proteins in spore-producing land plants. Carbohydr Polym 2019; 210:215-224. [DOI: 10.1016/j.carbpol.2019.01.077] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 01/22/2019] [Accepted: 01/22/2019] [Indexed: 10/27/2022]
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Bartels D, Baumann A, Maeder M, Geske T, Heise EM, von Schwartzenberg K, Classen B. Evolution of plant cell wall: Arabinogalactan-proteins from three moss genera show structural differences compared to seed plants. Carbohydr Polym 2017; 163:227-235. [PMID: 28267501 DOI: 10.1016/j.carbpol.2017.01.043] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 01/06/2017] [Accepted: 01/10/2017] [Indexed: 01/19/2023]
Abstract
Arabinogalactan-proteins (AGPs) are important proteoglycans of plant cell walls. They seem to be present in most, if not all seed plants, but their occurrence and structure in bryophytes is widely unknown and actually the focus of AGP research. With regard to evolution of plant cell wall, we isolated AGPs from the three mosses Sphagnum sp., Physcomitrella patens and Polytrichastrum formosum. The moss AGPs show structural characteristics common for AGPs of seed plants, but also unique features, especially 3-O-methyl-rhamnose (trivial name acofriose) as terminal monosaccharide not found in arabinogalactan-proteins of angiosperms and 1,2,3-linked galactose as branching point never found in arabinogalactan-proteins before.
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Affiliation(s)
- Desirée Bartels
- Pharmaceutical Institute, Department of Pharmaceutical Biology, Christian-Albrechts-University of Kiel, Gutenbergstr. 76, 24118 Kiel, Germany.
| | - Alexander Baumann
- Pharmaceutical Institute, Department of Pharmaceutical Biology, Christian-Albrechts-University of Kiel, Gutenbergstr. 76, 24118 Kiel, Germany.
| | - Malte Maeder
- Pharmaceutical Institute, Department of Pharmaceutical Biology, Christian-Albrechts-University of Kiel, Gutenbergstr. 76, 24118 Kiel, Germany.
| | - Thomas Geske
- Pharmaceutical Institute, Department of Pharmaceutical Biology, Christian-Albrechts-University of Kiel, Gutenbergstr. 76, 24118 Kiel, Germany.
| | - Esther Marie Heise
- Pharmaceutical Institute, Department of Pharmaceutical Biology, Christian-Albrechts-University of Kiel, Gutenbergstr. 76, 24118 Kiel, Germany.
| | | | - Birgit Classen
- Pharmaceutical Institute, Department of Pharmaceutical Biology, Christian-Albrechts-University of Kiel, Gutenbergstr. 76, 24118 Kiel, Germany.
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Klepsch MM, Schmitt M, Paul Knox J, Jansen S. The chemical identity of intervessel pit membranes in Acer challenges hydrogel control of xylem hydraulic conductivity. AOB PLANTS 2016; 8:plw052. [PMID: 27354661 PMCID: PMC4975070 DOI: 10.1093/aobpla/plw052] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 06/10/2016] [Indexed: 05/03/2023]
Abstract
Ion-mediated enhancement of the hydraulic conductivity of xylem tissue (i.e. the ionic effect) has been reported for various angiosperm species. One explanation of the ionic effect is that it is caused by the swelling and shrinking of intervessel pit membranes due to the presence of pectins and/or other cell-wall matrix polymers such as heteroxylans or arabinogalactan-proteins (AGPs) that may contain acidic sugars. Here, we examined the ionic effect for six Acer species and their pit membrane chemistry using immunocytochemistry, including antibodies against glycoproteins. Moreover, anatomical features related to the bordered pit morphology and vessel dimensions were investigated using light and electron microscopy. The ionic effect varied from 18 % (± 9) to 32 % (± 13). Epitopes of homogalacturonan (LM18) and xylan (LM11) were not detected in intervessel pit membranes. Negative results were also obtained for glycoproteins (extensin: LM1, JIM20; AGP glycan: LM2), although AGP (JIM13)-related epitopes were detected in parenchyma cells. The mean vessel length was significantly correlated with the magnitude of the ionic effect, unlike other pit or vessel-related characteristics. Our results suggest that intervessel pit membranes of Acer are unlikely to contain pectic or other acidic polysaccharides. Therefore, alternative explanations should be tested to clarify the ionic effect.
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Affiliation(s)
- Matthias M Klepsch
- Institute for Systematic Botany and Ecology, Ulm University, Albert-Einstein-Allee 11, D-89081 Ulm, Germany
| | - Marco Schmitt
- Institute for Systematic Botany and Ecology, Ulm University, Albert-Einstein-Allee 11, D-89081 Ulm, Germany
| | - J Paul Knox
- Centre for Plant Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Steven Jansen
- Institute for Systematic Botany and Ecology, Ulm University, Albert-Einstein-Allee 11, D-89081 Ulm, Germany
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