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Ma C, Zhang S, Renaud SJ, Zhang Q, Qi H, Zhou H, Jin Y, Yu H, Xu Y, Huang H, Hong Y, Li H, Liao Q, Ding F, Qin M, Wang P, Xie Z. Structural elucidation of a capsular polysaccharide from Bacteroides uniformis and its ameliorative impact on DSS-induced colitis in mice. Int J Biol Macromol 2024; 279:135119. [PMID: 39208897 DOI: 10.1016/j.ijbiomac.2024.135119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 08/24/2024] [Accepted: 08/26/2024] [Indexed: 09/04/2024]
Abstract
Capsular polysaccharides derived from Bacteroides species have emerged as potential mitigators of intestinal inflammation in murine models. However, research on capsular polysaccharides from B. uniformis, a Bacteroides species with reduced abundance in colons of patients with ulcerative colitis, remains scarce. In this study, we extracted a neutral polysaccharide component from B. uniformis ATCC8492, termed BUCPS1B, using ultrasonic disruption, ethanol precipitation, and anion exchange chromatography. Structural characterization revealed BUCPS1B as a water-soluble polysaccharide with an α-1,4-glucan main chain adorned with minor substituent sugar residues. BUCPS1B alleviated intestinal inflammation in a mouse model of colitis and induced polarization of macrophages into M2-type. Furthermore, BUCPS1B modulated the gut microbiota composition, increased the abundance of the probiotic Akkermansia muciniphila and altered the gut metabolic profile to promote phenylalanine and short chain fatty acids metabolism. BUCPS1B is therefore a promising candidate to prevent inflammation and augment intestinal health.
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Affiliation(s)
- Chong Ma
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510006, PR China
| | - Shaobao Zhang
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510006, PR China
| | - Stephen James Renaud
- Department of Anatomy and Cell Biology, The University of Western Ontario, London, Ontario, Canada
| | - Qian Zhang
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510006, PR China
| | - Huiyuan Qi
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510006, PR China
| | - Haiyun Zhou
- Instrumental Analysis & Research Center, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Yibao Jin
- National Medical Products Administration, Shenzhen Institute for Drug Control, Shenzhen, PR China
| | - Hansheng Yu
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510006, PR China
| | - Yaning Xu
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510006, PR China
| | - Houshuang Huang
- National Medical Products Administration, Shenzhen Institute for Drug Control, Shenzhen, PR China
| | - Yanjun Hong
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510006, PR China
| | - Hao Li
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510006, PR China
| | - Qiongfeng Liao
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, PR China
| | - Feiqing Ding
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510006, PR China
| | - Meirong Qin
- National Medical Products Administration, Shenzhen Institute for Drug Control, Shenzhen, PR China
| | - Ping Wang
- National Medical Products Administration, Shenzhen Institute for Drug Control, Shenzhen, PR China.
| | - Zhiyong Xie
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510006, PR China.
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2021-2022. MASS SPECTROMETRY REVIEWS 2024. [PMID: 38925550 DOI: 10.1002/mas.21873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/05/2024] [Accepted: 02/12/2024] [Indexed: 06/28/2024]
Abstract
The use of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry for the analysis of carbohydrates and glycoconjugates is a well-established technique and this review is the 12th update of the original article published in 1999 and brings coverage of the literature to the end of 2022. As with previous review, this review also includes a few papers that describe methods appropriate to analysis by MALDI, such as sample preparation, even though the ionization method is not MALDI. The review follows the same format as previous reviews. It is divided into three sections: (1) general aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, fragmentation, quantification and the use of computer software for structural identification. (2) Applications to various structural types such as oligo- and polysaccharides, glycoproteins, glycolipids, glycosides and biopharmaceuticals, and (3) other general areas such as medicine, industrial processes, natural products and glycan synthesis where MALDI is extensively used. Much of the material relating to applications is presented in tabular form. MALDI is still an ideal technique for carbohydrate analysis, particularly in its ability to produce single ions from each analyte and advancements in the technique and range of applications show little sign of diminishing.
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Fujita K, Tsunomachi H, Lixia P, Maruyama S, Miyake M, Dakeshita A, Kitahara K, Tanaka K, Ito Y, Ishiwata A, Fushinobu S. Bifidobacterial GH146 β-L-arabinofuranosidase for the removal of β1,3-L-arabinofuranosides on plant glycans. Appl Microbiol Biotechnol 2024; 108:199. [PMID: 38324037 PMCID: PMC10850190 DOI: 10.1007/s00253-024-13014-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/29/2023] [Accepted: 01/14/2024] [Indexed: 02/08/2024]
Abstract
L-Arabinofuranosides with β-linkages are present in several plant molecules, such as arabinogalactan proteins (AGPs), extensin, arabinan, and rhamnogalacturonan-II. We previously characterized a β-L-arabinofuranosidase from Bifidobacterium longum subsp. longum JCM 1217, Bll1HypBA1, which was found to belong to the glycoside hydrolase (GH) family 127. This strain encodes two GH127 genes and two GH146 genes. In the present study, we characterized a GH146 β-L-arabinofuranosidase, Bll3HypBA1 (BLLJ_1848), which was found to constitute a gene cluster with AGP-degrading enzymes. This recombinant enzyme degraded AGPs and arabinan, which contain Araf-β1,3-Araf structures. In addition, the recombinant enzyme hydrolyzed oligosaccharides containing Araf-β1,3-Araf structures but not those containing Araf-β1,2-Araf and Araf-β1,5-Araf structures. The crystal structures of Bll3HypBA1 were determined at resolutions up to 1.7 Å. The monomeric structure of Bll3HypBA1 comprised a catalytic (α/α)6 barrel and two β-sandwich domains. A hairpin structure with two β-strands was observed in Bll3HypBA1, to extend from a β-sandwich domain and partially cover the active site. The active site contains a Zn2+ ion coordinated by Cys3-Glu and exhibits structural conservation of the GH127 cysteine glycosidase Bll1HypBA1. This is the first study to report on a β1,3-specific β-L-arabinofuranosidase. KEY POINTS: • β1,3-l-Arabinofuranose residues are present in arabinogalactan proteins and arabinans as a terminal sugar. • β-l-Arabinofuranosidases are widely present in intestinal bacteria. • Bll3HypBA1 is the first enzyme characterized as a β1,3-linkage-specific β-l-arabinofuranosidase.
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Affiliation(s)
- Kiyotaka Fujita
- Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima, 890-0065, Japan.
- The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima, 890-0065, Japan.
| | - Hanako Tsunomachi
- Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima, 890-0065, Japan
| | - Pan Lixia
- Department of Biotechnology, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-Ku, Tokyo, 113-8657, Japan
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Academy of Sciences, Nanning, 530007, China
| | - Shun Maruyama
- Department of Biotechnology, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-Ku, Tokyo, 113-8657, Japan
| | - Masayuki Miyake
- Department of Biotechnology, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-Ku, Tokyo, 113-8657, Japan
| | - Aimi Dakeshita
- Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima, 890-0065, Japan
| | - Kanefumi Kitahara
- Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima, 890-0065, Japan
- The United Graduate School of Agricultural Sciences, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima, 890-0065, Japan
| | - Katsunori Tanaka
- RIKEN, Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-Ku, Tokyo, 152-8552, Japan
| | - Yukishige Ito
- RIKEN, Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
- Graduate School of Science, Osaka University, 1-1 Machikaneyama-Cho, Toyonaka, Osaka, 560-0043, Japan
| | - Akihiro Ishiwata
- RIKEN, Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Shinya Fushinobu
- Department of Biotechnology, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-Ku, Tokyo, 113-8657, Japan.
- Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-Ku, Tokyo, 113-8657, Japan.
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Ishiwata A, Tsunomachi H, Kameyama K, Sophon K, Nakamura M, Kitahara K, Tanaka K, Ito Y, Fujita K. Bifidobacterial GH146 β-l-Arabinofuranosidase (Bll4HypBA1) as the Last Enzyme for the Complete Removal of Oligoarabinofuranosides from Hydroxyproline-Rich Glycoproteins. Chembiochem 2023; 24:e202200637. [PMID: 36579407 DOI: 10.1002/cbic.202200637] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/26/2022] [Accepted: 12/28/2022] [Indexed: 12/30/2022]
Abstract
In plant cell walls, the hydroxyproline-rich glycoproteins (HRGPs) such as extensin contain oligoarabinofuranoside linked to a hydroxyproline (Hyp) residue. The mature arabinooligosaccharide was revealed to be a tetrasaccharide (α-l-Araf-(1→3)-β-l-Araf-(1→2)-β-l-Araf-(1→2)-β-l-Araf, l-Araf4 ), whose linkages are targets of the bifidobacterial and Xanthomonas arabinooligosaccharide-degrading enzymes. The l-Araf4 motif was cleaved by GH43 α-l-arabinofuranosidase (Arafase) and converted to an l-Araf3 -linked structure. The latter is then cleaved by GH121 β-l-arabinobiosidase (HypBA2), producing β-l-Araf-(1→2)-l-Ara (β-l-arabinobiose) and mono-β-l-Araf linked to the HRGP backbone. In bifidobacteria, the β-l-arabinobiose is then hydrolyzed by GH127 β-l-Arafase (Bll1HypBA1), a mechanistically unique cysteine glycosidase. We recently identified the distantly related homologue from Xanthomonas euvesicatoria as GH146 β-l-Arafase along with paralogues from Bifidobacterium longum, one of which, Bll4HypBA1 (BLLJ_0089), can degrade l-Araf1 -Hyp in a similar way to that of GH146. As the chemical synthesis of the extensin hydrophilic motif 1 a, which possesses three distinct linkages that connect four oligoAraf residues [Hyp(l-Arafn ) (n=4, 3, 1)], was achieved previously, we precisely monitored the step-wise enzymatic cleavage of 1 a in addition to that of potato lectin. The results unequivocally revealed that this enzyme specifically degrades the Hyp(l-Araf1 ) motif.
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Affiliation(s)
- Akihiro Ishiwata
- RIKEN, Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Hanako Tsunomachi
- Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima, 890-0065, Japan
| | - Kyohei Kameyama
- Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima, 890-0065, Japan
| | - Kaeothip Sophon
- RIKEN, Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Masayuki Nakamura
- Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima, 890-0065, Japan
| | - Kanefumi Kitahara
- Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima, 890-0065, Japan
| | - Katsunori Tanaka
- RIKEN, Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.,Department of Chemical Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8552, Japan
| | - Yukishige Ito
- RIKEN, Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan.,Graduate School of Science, Osaka University, 1-1 Machikaneyama-cho, Toyonaka, Osaka, 560-0043, Japan
| | - Kiyotaka Fujita
- Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima, 890-0065, Japan
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Ishiwata A, Narita S, Kimura K, Tanaka K, Fujita K, Fushinobu S, Ito Y. Mechanism-based inhibition of GH127/146 cysteine glycosidases by stereospecifically functionalized l-arabinofuranosides. Bioorg Med Chem 2022; 75:117054. [PMID: 36334492 DOI: 10.1016/j.bmc.2022.117054] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 10/04/2022] [Accepted: 10/05/2022] [Indexed: 11/21/2022]
Abstract
To understand the precise mechanism of the glycoside hydrolase (GH) family 127, a cysteine β-l-arabinofuranosidase (Arafase) - HypBA1 - has been isolated from Bifidobacterium longum in the human Gut microbiota, and the design and synthesis of the mechanism-based inhibitors such as l-Araf-haloacetamides have been carried out. The α-l-Araf-azide derivative was used as the monoglycosylamine equivalent to afford the l-Araf-chloroacetamides (α/β-1-Cl) as well as bromoacetamides (α/β-1-Br) in highly stereoselective manner through Staudinger reaction followed by amide formation with/without anomerization. Against HypBA1, the probes 1, especially in the case of α/β-1-Br inhibited the hydrolysis. Conformational implications of these observations are discussed in this manuscript. Additional examinations using l-Araf-azides (α/β-5) resulted in further mechanistic observations of the GH127/146 cysteine glycosidases, including the hydrolysis of β-5 as the substrate and oxidative inhibition by α-5 using the GH127 homologue.
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Affiliation(s)
- Akihiro Ishiwata
- RIKEN, Cluster for Pioneering Research, Saitama 351-0198, Japan.
| | - Satoru Narita
- RIKEN, Cluster for Pioneering Research, Saitama 351-0198, Japan; Graduate School of Systems Engineering and Science, Shibaura Institute of Technology Saitama 337-8570, Japan
| | - Kenta Kimura
- RIKEN, Cluster for Pioneering Research, Saitama 351-0198, Japan; Graduate School of Systems Engineering and Science, Shibaura Institute of Technology Saitama 337-8570, Japan
| | - Katsunori Tanaka
- RIKEN, Cluster for Pioneering Research, Saitama 351-0198, Japan; Department of Chemical Science and Engineering, Tokyo Institute of Technology, Tokyo 152-8552, Japan
| | - Kiyotaka Fujita
- Faculty of Agriculture, Kagoshima University, Kagoshima 890-0065, Japan.
| | - Shinya Fushinobu
- Department of Biotechnology, The University of Tokyo, Tokyo 113-8647, Japan; Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Tokyo 113-8647, Japan
| | - Yukishige Ito
- RIKEN, Cluster for Pioneering Research, Saitama 351-0198, Japan; Graduate School of Science, Osaka University, Osaka 560-0043, Japan.
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Ishiwata A, Tanaka K, Ao J, Ding F, Ito Y. Recent advances in stereoselective 1,2- cis- O-glycosylations. Front Chem 2022; 10:972429. [PMID: 36059876 PMCID: PMC9437320 DOI: 10.3389/fchem.2022.972429] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 07/08/2022] [Indexed: 02/03/2023] Open
Abstract
For the stereoselective assembly of bioactive glycans with various functions, 1,2-cis-O-glycosylation is one of the most essential issues in synthetic carbohydrate chemistry. The cis-configured O-glycosidic linkages to the substituents at two positions of the non-reducing side residue of the glycosides such as α-glucopyranoside, α-galactopyranoside, β-mannopyranoside, β-arabinofuranoside, and other rather rare glycosides are found in natural glycans, including glycoconjugate (glycoproteins, glycolipids, proteoglycans, and microbial polysaccharides) and glycoside natural products. The way to 1,2-trans isomers is well sophisticated by using the effect of neighboring group participation from the most effective and kinetically favored C-2 substituent such as an acyl group, although high stereoselective synthesis of 1,2-cis glycosides without formation of 1,2-trans isomers is far less straightforward. Although the key factors that control the stereoselectivity of glycosylation are largely understood since chemical glycosylation was considered to be one of the useful methods to obtain glycosidic linkages as the alternative way of isolation from natural sources, strictly controlled formation of these 1,2-cis glycosides is generally difficult. This minireview introduces some of the recent advances in the development of 1,2-cis selective glycosylations, including the quite recent developments in glycosyl donor modification, reaction conditions, and methods for activation of intermolecular glycosylation, including the bimodal glycosylation strategy for 1,2-cis and 1,2-trans glycosides, as well as intramolecular glycosylations, including recent applications of NAP-ether-mediated intramolecular aglycon delivery.
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Affiliation(s)
| | - Katsunori Tanaka
- RIKEN Cluster for Pioneering Research, Saitama, Japan
- School of Materials and Chemical Technology, Tokyo Institute of Technology, Tokyo, Japan
| | - Jiaming Ao
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-Sen University, Shenzhen, China
| | - Feiqing Ding
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-Sen University, Shenzhen, China
| | - Yukishige Ito
- RIKEN Cluster for Pioneering Research, Saitama, Japan
- Graduate School of Science, Osaka University, Osaka, Japan
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