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Rodríguez Sánchez RA, Matulewicz MC, Ciancia M. NMR spectroscopy for structural elucidation of sulfated polysaccharides from red seaweeds. Int J Biol Macromol 2022; 199:386-400. [PMID: 34973978 DOI: 10.1016/j.ijbiomac.2021.12.080] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 12/08/2021] [Accepted: 12/13/2021] [Indexed: 12/19/2022]
Abstract
Some sulfated polysaccharides from red seaweeds are used as hydrocolloids. In addition, it is well known that there are sulfated galactans (carrageenans and agarans) and sulfated mannans, with remarkable biological properties, as antiviral, antitumoral, immunomodulating, antiangiogenic, antioxidant, anticoagulant, and antithrombotic activities, and so on. Knowledge of the detailed structure of the active compound is essential and difficult to acquire. The substitution patterns of the polymer chain, as degree of sulfation and position of sulfate groups, as well as other substituents of the backbone, determine their biological behavior. NMR spectroscopy is a powerful and versatile tool for structural determination. It can be used for elucidation of structures of polysaccharides from new algal sources with novel substitutions or to detect the already known structures from different algal sources, and it could even help to monitor the quality of the active compound on a productive scale. In this review, the available information about NMR spectroscopy of sulfated polysaccharides from red seaweeds is revised and rationalized, to help other researchers working in different fields to study their structures. In addition, considerations about the effects of different structural features, as well as some recording conditions on the chemical shifts of the signals are analyzed.
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Affiliation(s)
- Rodrigo A Rodríguez Sánchez
- Universidad de Buenos Aires, Facultad de Agronomía, Departamento de Biología Aplicada y Alimentos, Cátedra de Química de Biomoléculas, Av. San Martín 4453, C1417DSE Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Centro de Investigación de Hidratos de Carbono (CIHIDECAR), Ciudad Universitaria - Pabellón 2, C1428EHA Buenos Aires, Argentina.
| | - María C Matulewicz
- CONICET-Universidad de Buenos Aires, Centro de Investigación de Hidratos de Carbono (CIHIDECAR), Ciudad Universitaria - Pabellón 2, C1428EHA Buenos Aires, Argentina.
| | - Marina Ciancia
- Universidad de Buenos Aires, Facultad de Agronomía, Departamento de Biología Aplicada y Alimentos, Cátedra de Química de Biomoléculas, Av. San Martín 4453, C1417DSE Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Centro de Investigación de Hidratos de Carbono (CIHIDECAR), Ciudad Universitaria - Pabellón 2, C1428EHA Buenos Aires, Argentina.
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Ciancia M, Matulewicz MC, Tuvikene R. Structural Diversity in Galactans From Red Seaweeds and Its Influence on Rheological Properties. FRONTIERS IN PLANT SCIENCE 2020; 11:559986. [PMID: 33013979 PMCID: PMC7511586 DOI: 10.3389/fpls.2020.559986] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 08/21/2020] [Indexed: 05/08/2023]
Abstract
Galactans are important components of many plant cell walls. Besides, they are the major polysaccharides in extracellular matrixes from different seaweeds, and other marine organisms, which have an acidic character due to the presence of sulfate groups in their structures. In particular, most of the red seaweeds biosynthesize sulfated galactans with very special linear backbones, constituted by alternating (1→3)-β-d-galactopyranose units (A-unit) and (1→4)-α-galactopyranose residues (B-unit). In the industrially significant seaweeds as source of hydrocolloids, B-units belong either to the d-series and they produce carrageenans (as in the order Gigartinales), or to the l-series, and they are sources of agarose and/or structurally related polymers (i.e., Gelidiales, Gracilariales). In both cases, the latter units appear as cyclized 3,6-anhydro-α-galactose in certain amounts, which can be increased by alkaline cyclization of α-galactose 6-sulfate units. Besides, it has been clearly shown that some red algae produce different amounts of both galactan structures, known as d/l-hybrids. It is not yet clear if they comprise both diasteromeric types of units in the same molecule, or if they are mixtures of carrageenans and agarans that are very difficult to separate. It has been reported that the biosynthesis of these galactans, showing that the nucleotide transport for d-galactopyranose units is UDP-d-Gal, while for l-galactose, it is GDP-l-Gal, so, there is a different pathway in the biosynthesis of agarans. However, at least in those seaweeds that produce carrageenans as major galactans, but also agarans, both synthetic pathways should coexist. Another interesting characteristic of these galactans is the important variation in the sulfation patterns, which modulate their physical behavior in aqueous solutions. Although the most common carrageenans are of the κ/ι- and λ-types (with A-units sulfated at the 4- and 2-positions, respectively) and usually in agarans, when sulfated, is at the 6-position, many other sulfate arrangements have been reported, greatly influencing the functional properties of the corresponding galactans. Other substituents can modify their structures, as methyl ethers, pyruvic acid ketals, acetates, and single stubs of xylose or other monosaccharides. It has been shown that structural heterogeneity at some extent is essential for the proper functional performance of red algal galactans.
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Affiliation(s)
- Marina Ciancia
- Universidad de Buenos Aires, Facultad de Agronomía, Departamento de Biología Aplicada y Alimentos, Cátedra de Química de Biomoléculas (CIHIDECAR,CONICET-UBA), Buenos Aires, Argentina
| | - María Cristina Matulewicz
- Universidad de Buenos Aires – Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Centro de Investigación de Hidratos de Carbono (CIHIDECAR), Buenos Aires, Argentina
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Orgánica, Buenos Aires, Argentina
- *Correspondence: María Cristina Matulewicz,
| | - Rando Tuvikene
- Tallinn University, School of Natural Sciences and Health, Tallinn, Estonia
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Fluorescent complex coacervates of agar and in situ formed zein nanoparticles: Role of electrostatic forces. Carbohydr Polym 2019; 224:115150. [DOI: 10.1016/j.carbpol.2019.115150] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/30/2019] [Accepted: 07/30/2019] [Indexed: 12/16/2022]
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Rocha CM, Sousa AM, Kim JK, Magalhães JM, Yarish C, Gonçalves MDP. Characterization of agar from Gracilaria tikvahiae cultivated for nutrient bioextraction in open water farms. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2018.10.048] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Liu J, Xue Z, Zhang W, Yan M, Xia Y. Preparation and properties of wet-spun agar fibers. Carbohydr Polym 2018; 181:760-767. [DOI: 10.1016/j.carbpol.2017.11.081] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 11/01/2017] [Accepted: 11/22/2017] [Indexed: 01/18/2023]
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Optimization of yield and quality of agar polysaccharide isolated from the marine red macroalga Pyropia yezoensis. ALGAL RES 2017. [DOI: 10.1016/j.algal.2017.07.010] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Camarero-Espinosa S, Rothen-Rutishauser B, Foster EJ, Weder C. Articular cartilage: from formation to tissue engineering. Biomater Sci 2016; 4:734-67. [PMID: 26923076 DOI: 10.1039/c6bm00068a] [Citation(s) in RCA: 180] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hyaline cartilage is the nonlinear, inhomogeneous, anisotropic, poro-viscoelastic connective tissue that serves as friction-reducing and load-bearing cushion in synovial joints and is vital for mammalian skeletal movements. Due to its avascular nature, low cell density, low proliferative activity and the tendency of chondrocytes to de-differentiate, cartilage cannot regenerate after injury, wear and tear, or degeneration through common diseases such as osteoarthritis. Therefore severe damage usually requires surgical intervention. Current clinical strategies to generate new tissue include debridement, microfracture, autologous chondrocyte transplantation, and mosaicplasty. While articular cartilage was predicted to be one of the first tissues to be successfully engineered, it proved to be challenging to reproduce the complex architecture and biomechanical properties of the native tissue. Despite significant research efforts, only a limited number of studies have evolved up to the clinical trial stage. This review article summarizes the current state of cartilage tissue engineering in the context of relevant biological aspects, such as the formation and growth of hyaline cartilage, its composition, structure and biomechanical properties. Special attention is given to materials development, scaffold designs, fabrication methods, and template-cell interactions, which are of great importance to the structure and functionality of the engineered tissue.
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Affiliation(s)
- Sandra Camarero-Espinosa
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland.
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Šimkovic I. Unexplored possibilities of all-polysaccharide composites. Carbohydr Polym 2013; 95:697-715. [DOI: 10.1016/j.carbpol.2013.03.040] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Revised: 02/25/2013] [Accepted: 03/11/2013] [Indexed: 11/26/2022]
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Hu Y, Yu G, Zhao X, Wang Y, Sun X, Jiao G, Zhao X, Chai W. Structural characterization of natural ideal 6-O-sulfated agarose from red alga Gloiopeltis furcata. Carbohydr Polym 2012; 89:883-9. [DOI: 10.1016/j.carbpol.2012.04.026] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2012] [Revised: 04/09/2012] [Accepted: 04/11/2012] [Indexed: 10/28/2022]
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Abstract
Red algae (Rhodophyta) are known as the source of unique sulfated galactans, such as agar, agarose, and carrageenans. The wide practical uses of these polysaccharides are based on their ability to form strong gels in aqueous solutions. Gelling polysaccharides usually have molecules built up of repeating disaccharide units with a regular distribution of sulfate groups, but most of the red algal species contain more complex galactans devoid of gelling ability because of various deviations from the regular structure. Moreover, several red algae may contain sulfated mannans or neutral xylans instead of sulfated galactans as the main structural polysaccharides. This chapter is devoted to a description of the structural diversity of polysaccharides found in the red algae, with special emphasis on the methods of structural analysis of sulfated galactans. In addition to the structural information, some data on the possible use of red algal polysaccharides as biologically active polymers or as taxonomic markers are briefly discussed.
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Viana AG, Noseda MD, Gonçalves AG, Duarte MER, Yokoya N, Matulewicz MC, Cerezo AS. β-d-(1→4), β-d-(1→3) ‘mixed linkage’ xylans from red seaweeds of the order Nemaliales and Palmariales. Carbohydr Res 2011; 346:1023-8. [DOI: 10.1016/j.carres.2011.03.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2010] [Revised: 03/02/2011] [Accepted: 03/07/2011] [Indexed: 11/28/2022]
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Prebiotics from marine macroalgae for human and animal health applications. Mar Drugs 2010; 8:2038-64. [PMID: 20714423 PMCID: PMC2920542 DOI: 10.3390/md8072038] [Citation(s) in RCA: 174] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2010] [Revised: 06/11/2010] [Accepted: 06/28/2010] [Indexed: 12/13/2022] Open
Abstract
The marine environment is an untapped source of bioactive compounds. Specifically, marine macroalgae (seaweeds) are rich in polysaccharides that could potentially be exploited as prebiotic functional ingredients for both human and animal health applications. Prebiotics are non-digestible, selectively fermented compounds that stimulate the growth and/or activity of beneficial gut microbiota which, in turn, confer health benefits on the host. This review will introduce the concept and potential applications of prebiotics, followed by an outline of the chemistry of seaweed polysaccharides. Their potential for use as prebiotics for both humans and animals will be highlighted by reviewing data from both in vitro and in vivo studies conducted to date.
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Geresh S, Arad S(M, Levy-Ontman O, Zhang W, Tekoah Y, Glaser R. Isolation and characterization of poly- and oligosaccharides from the red microalga Porphyridium sp. Carbohydr Res 2009; 344:343-9. [DOI: 10.1016/j.carres.2008.11.012] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2008] [Revised: 11/19/2008] [Accepted: 11/20/2008] [Indexed: 10/21/2022]
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Rodríguez MC, Matulewicz MC, Noseda MD, Ducatti DRB, Leonardi PI. Agar from Gracilaria gracilis (Gracilariales, Rhodophyta) of the Patagonic coast of Argentina--content, structure and physical properties. BIORESOURCE TECHNOLOGY 2009; 100:1435-41. [PMID: 18809318 DOI: 10.1016/j.biortech.2008.08.025] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2007] [Revised: 07/22/2008] [Accepted: 08/07/2008] [Indexed: 05/24/2023]
Abstract
Milled summer thalli of Gracilaria gracilis from Argentina were sequentially extracted with water at room temperature (RTW1-3), 70 degrees C (W701-3) and 90 degrees C (W901-2). Both W701 and W901 consisted of high molecular weight polysaccharides (ca. 540,000Da), but polydispersity was higher for the major product W701 (yield, 72% of the recovered). Structural analyzes by methylation and (13)C NMR spectroscopy revealed that W701 was mainly agarose. Alkaline treatment, together with structural analyzes, indicated a negligible proportion of precursor l-galactose 6-sulfate residues in this product, while they were clearly detected in the (13)C NMR spectra of RTW2-3. The presence of floridean starch in W901 had an antagonistic effect on its gel strength, which resulted nearly three times lower than that of fraction W701. Ultrastructural observation by transmission electron microscopy showed that, after extraction with hot water, a partial loss of cell wall stratification and disorganization of the cuticle had occurred. Final cellular debris exhibited swelling in the microfibrillar component. After this first thorough study of the chemical composition and physical properties of the products of G. gracilis from Bahía Bustamante we conclude that a good quality agarose is obtained in high yield after extraction with water at 70 degrees C without the requirement of alkaline pretreatment, which usually produces degradation of the polysaccharide.
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Affiliation(s)
- M C Rodríguez
- Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, 1428 Buenos Aires, Argentina
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Falshaw R, Furneaux RH. Chemotaxonomy of New Zealand red algae in the family Gigartinaceae (Rhodophyta) based on galactan structures from the tetrasporophyte life-stage. Carbohydr Res 2008; 344:210-6. [PMID: 19007924 DOI: 10.1016/j.carres.2008.10.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2008] [Revised: 10/14/2008] [Accepted: 10/19/2008] [Indexed: 10/21/2022]
Abstract
The identification of the polysaccharides from tetrasporophytic plants of nine endemic New Zealand species belonging to the Gigartinaceae, 'Gigartina' ancistroclada, 'G.' grandifida, Gigartina dilatata, G. divaricata, G. macrocarpa, G. marginifera, G. pachymenioides, G. sp. 'Lindauer 164' and Sarcothalia livida using infra-red spectroscopy in conjunction with constituent sugar and glycosyl linkage/substitution analysis is reported. All nine species contain galactans with structures consistent with lambda-type carrageenans. Differences in the structures of the galactans in these and a further six previously studied species indicate chemotaxonomically distinct groupings that correspond to Sarcothalia, 'Sarcothalia' and Gigartina genera plus some outliers. These distinct, chemotaxonomic groupings are aligned to those determined by rbcL sequence analysis reported in the literature.
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Affiliation(s)
- Ruth Falshaw
- Industrial Research Ltd, PO Box 31-310, Lower Hutt, New Zealand.
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Sachinvala N, Parikh DV, Sawhney P, Chang S, Mirzawa J, Jarrett W, Joiner B. Silver (I) antimicrobial cotton nonwovens and printcloth. POLYM ADVAN TECHNOL 2007. [DOI: 10.1002/pat.868] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Dahmani M, Ramzi M, Rochas C, Guenet JM. Thermoreversible gelation in aqueous binary solvents of chemically modified agarose. Int J Biol Macromol 2003; 31:147-53. [PMID: 12568922 DOI: 10.1016/s0141-8130(02)00076-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The thermoreversible gelation of chemically modified agarose has been studied in aqueous binary solvents (dimethyl sulfoxide and a series of formamide) by differential calorimetry, mechanical testing, and small-angle neutron scattering. The temperature-composition phase diagrams have been established. It is concluded that gelation is promoted by the formation of ternary complexes modified agarose/water/cosolvent, wherein the cosolvent mediates the interaction between chains through the formation of electrostatic interactions.
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Affiliation(s)
- Mohammed Dahmani
- Institut Charles Sadron, CNRS UPR 22, 6 rue Boussingault, F-67083 Strasbourg Cedex, France
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Labropoulos K, Niesz D, Danforth S, Kevrekidis P. Dynamic rheology of agar gels: theory and experiments. Part I. Development of a rheological model. Carbohydr Polym 2002. [DOI: 10.1016/s0144-8617(02)00084-x] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Falshaw R, Bixler H, Johndro K. Structure and performance of commercial kappa-2 carrageenan extracts. Food Hydrocoll 2001. [DOI: 10.1016/s0268-005x(01)00066-2] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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