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Yang L, Qu M, Wang Z, Huang S, Wang Q, Wei M, Li F, Yang D, Pan L. Biochemical Properties of a Novel Cold-Adapted GH19 Chitinase with Three Chitin-Binding Domains from Chitinilyticum aquatile CSC-1 and Its Potential in Biocontrol of Plant Pathogenic Fungi. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:19581-19593. [PMID: 39190598 DOI: 10.1021/acs.jafc.4c02559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/29/2024]
Abstract
GH19 (glycoside hydrolase 19) chitinases play crucial roles in the enzymatic conversion of chitin and biocontrol of phytopathogenic fungi. Herein, a novel multifunctional chitinase of GH19 (CaChi19A), which contains three chitin-binding domains (ChBDs), was successfully cloned from Chitinilyticum aquatile CSC-1 and heterologously expressed in Escherichia coli. We also generated truncated mutants of CaChi19A_ΔI, CaChi19A_ΔIΔII, and CaChi19A_CatD consisting of two ChBDs and a catalytic domain, one ChBD and a catalytic domain, and only a catalytic domain, respectively. CaChi19A, CaChi19A_ΔI, CaChi19A_ΔIΔII, and CaChi19A_CatD exhibited cold adaptation, as their relative enzyme activities at 5 °C were 40.7, 51.6, 66.2, and 82.6%, respectively. Compared with CaChi19A and other variants, CaChi19A_ΔIΔII demonstrated a higher level of stability below 50 °C and retained relatively high activity over a wide pH range of 5-12. Analysis of the hydrolysis products revealed that CaChi19A and CaChi19A_ΔIΔII exhibit exoacting, endoacting, and N-acetyl-β-d-glucosaminidase activities toward colloidal chitin. Furthermore, CaChi19A and CaChi19A_ΔIΔII exhibited inhibitory effects on the hyphal growth of Fusarium oxysporum, Fusarium redolens, Fusarium fujikuroi, Fusarium solani, and Coniothyrium diplodiella, thereby illustrating effective biocontrol activity. These results indicated that CaChi19A and CaChi19A_ΔIΔII show advantages in some applications where low temperatures were demanded in industries as well as the biocontrol of fungal diseases in agriculture.
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Affiliation(s)
- Liyan Yang
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Institute of Biology, Guangxi Academy of Sciences, Nanning 530007, China
| | - Mingbo Qu
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Zhou Wang
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Institute of Biology, Guangxi Academy of Sciences, Nanning 530007, China
| | - Shiyong Huang
- Guangxi Research Institute of Chemical Industry Co., Ltd., Nanning 530001, China
| | - Qingyan Wang
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Institute of Biology, Guangxi Academy of Sciences, Nanning 530007, China
| | - Maochun Wei
- Guangxi Research Institute of Chemical Industry Co., Ltd., Nanning 530001, China
| | - Fei Li
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Institute of Biology, Guangxi Academy of Sciences, Nanning 530007, China
| | - Dengfeng Yang
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Institute of Biology, Guangxi Academy of Sciences, Nanning 530007, China
| | - Lixia Pan
- National Key Laboratory of Non-food Biomass Energy Technology, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Institute of Biology, Guangxi Academy of Sciences, Nanning 530007, China
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2
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Denise R M, Usharani N, Saravanan N, Kanth SV. In vitro and in silico approach towards antimicrobial and antioxidant behaviour of water-soluble chitosan dialdehyde biopolymers. Carbohydr Res 2024; 542:109192. [PMID: 38944981 DOI: 10.1016/j.carres.2024.109192] [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: 09/28/2023] [Revised: 06/13/2024] [Accepted: 06/16/2024] [Indexed: 07/02/2024]
Abstract
Chitosan dialdehyde (ChDA) was prepared from a three-step process initiated by thermal organic acid hydrolysis, periodate oxidization, and precipitation from native chitosan (NCh). The developed ChDA resulted in an aldehydic content of about 82 % with increased solubility (89 %) and maximum yield (97 %). The functional alteration of the aldehydic (-CHO) group in ChDA was established using vibrational stretching at 1744 cm-1. The increase in the zone of inhibition of ChDA compared to NCh has confirmed the inherent antimicrobial effect against bacterial and fungal species. ChDA showed better antioxidant activity of about 97.4 % (DPPH) and 31.1 % (ABTS) compared to NCh, measuring 45.3 % (DPPH) and 15.9 % (ABTS), respectively. The novel insilico predictions of the ChDA's biocidal activity were confirmed through molecular docking studies. The amino acid moiety such as ARG 110 (A), ASN 206 (A), SER 208 (A), THR 117 (B), ASN 118 (B), and LYS 198 (B) residues of 7B53 peptide from E. coli represents the binding pockets responsible for interaction with aldehyde group of ChDA. Whereas PHE 115 (E), ALA 127 (H), TYR 119 (C), GLN 125 (H), ASN 175 (E), ARG 116 (E), LYS 101 (H), and LYS 129 (H) of 1IYL A peptide from Candida albicans makes possible for binding with ChDA. Hence, the synergistic effect of ChDA as a biocidal compound is found to be plausible in the drug delivery system for therapeutic applications.
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Affiliation(s)
- Monica Denise R
- Center for Human & Organizational Resources Development (CHORD), CSIR-Central Leather Research Institute, Adyar, Chennai, 600020, India
| | - Nagarajan Usharani
- Department of Biochemistry, ICMR-National Institute for Research in Tuberculosis, Chennai, 600031, India
| | - Natarajan Saravanan
- Department of Biochemistry, ICMR-National Institute for Research in Tuberculosis, Chennai, 600031, India
| | - Swarna V Kanth
- Center for Human & Organizational Resources Development (CHORD), CSIR-Central Leather Research Institute, Adyar, Chennai, 600020, India.
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Mészáros Z, Kulik N, Petrásková L, Bojarová P, Texidó M, Planas A, Křen V, Slámová K. Three-Step Enzymatic Remodeling of Chitin into Bioactive Chitooligomers. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:15613-15623. [PMID: 38978453 PMCID: PMC11261597 DOI: 10.1021/acs.jafc.4c03077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 07/01/2024] [Accepted: 07/03/2024] [Indexed: 07/10/2024]
Abstract
Here we describe a complex enzymatic approach to the efficient transformation of abundant waste chitin, a byproduct of the food industry, into valuable chitooligomers with a degree of polymerization (DP) ranging from 6 to 11. This method involves a three-step process: initial hydrolysis of chitin using engineered variants of a novel fungal chitinase from Talaromyces flavus to generate low-DP chitooligomers, followed by an extension to the desired DP using the high-yielding Y445N variant of β-N-acetylhexosaminidase from Aspergillus oryzae, achieving yields of up to 57%. Subsequently, enzymatic deacetylation of chitooligomers with DP 6 and 7 was accomplished using peptidoglycan deacetylase from Bacillus subtilis BsPdaC. The innovative enzymatic procedure demonstrates a sustainable and feasible route for converting waste chitin into unavailable bioactive chitooligomers potentially applicable as natural pesticides in ecological and sustainable agriculture.
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Affiliation(s)
- Zuzana Mészáros
- Institute
of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ 14200, Prague 4, Czech Republic
| | - Natalia Kulik
- Institute
of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ 14200, Prague 4, Czech Republic
| | - Lucie Petrásková
- Institute
of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ 14200, Prague 4, Czech Republic
| | - Pavla Bojarová
- Institute
of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ 14200, Prague 4, Czech Republic
| | - Mònica Texidó
- Laboratory
of Biochemistry, Institut Químic de Sarrià, University Ramon Llull, ES 08017 Barcelona, Spain
| | - Antoni Planas
- Laboratory
of Biochemistry, Institut Químic de Sarrià, University Ramon Llull, ES 08017 Barcelona, Spain
| | - Vladimír Křen
- Institute
of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ 14200, Prague 4, Czech Republic
| | - Kristýna Slámová
- Institute
of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, CZ 14200, Prague 4, Czech Republic
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4
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Kumari R, Kumar M, Dadheech PK, Vivekanand V, Pareek N. Response surface optimization, purification, characterization and short-chain chitooligosaccharides production from an acidic, thermostable chitinase from Thermomyces dupontii. Int J Biol Macromol 2024; 267:131362. [PMID: 38583843 DOI: 10.1016/j.ijbiomac.2024.131362] [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: 07/21/2023] [Revised: 02/10/2024] [Accepted: 04/02/2024] [Indexed: 04/09/2024]
Abstract
Chitin, recovered in huge amounts from coastal waste, may biocatalytically valorized for utilization in food and biotech sectors. Conventional chemical-based conversion makes use of significant volumes of hazardous acid and alkali. Alternatively, enzymes offer better process control and generation of homogeneous products. Process variables were derived to achieve augmented levels of chitinase (3.8809 Ul-1 h-1) productivity from a novel thermophilic fungal strain Thermomyces dupontii, ITCC 9104 following incubation (96 h, 45 °C). An acidic thermostable chitinase TdChiT having molecular mass of 60 kDa has been purified. Optimal TdChiT activity has been demonstrated at 70 °C and pH 5. Notably decreased activity over a broad range of temperature and pH was observed following deglycosylation. Half-life, activation energy, Gibbs free energy, enthalpy and entropy for denaturation of TdChiT at its optimum temperature were 197.40 min, 105.48 kJ mol-1, 100.59 kJ mol-1, 102.64 kJ mol-1 and 5.95 J mol-1 K-1. TdChiT has specificity towards colloidal chitin and (GlcNAc)2-4. Metal ions viz. Mn2+, Ca2+ and Co2+ and nonionic surfactants notably enhanced chitinase activity. Thin layer chromatography analysis has revealed effective hydrolysis of colloidal chitin and (GlcNAc)2-4. TdChiT may potentially be employed for design of better, eco-friendly and less resource-intensive industrial procedures for upcycling of crustacean waste into value-added organonitrogens.
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Affiliation(s)
- Rajni Kumari
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan Bandarsindri, Kishangarh, Ajmer 305801, Rajasthan, India
| | - Manish Kumar
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan Bandarsindri, Kishangarh, Ajmer 305801, Rajasthan, India
| | - Pawan K Dadheech
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan Bandarsindri, Kishangarh, Ajmer 305801, Rajasthan, India
| | - V Vivekanand
- Centre for Energy and Environment, Malaviya National Institute of Technology, Jaipur 302017, Rajasthan, India
| | - Nidhi Pareek
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan Bandarsindri, Kishangarh, Ajmer 305801, Rajasthan, India.
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Wang Z, Cai Y, Li M, Wan X, Mi L, Yang W, Hu Y. Boosting one-step degradation of shrimp shell waste to produce chitin oligosaccharides at smart nanoscale enzyme reactor with liquid-solid system. Int J Biol Macromol 2024; 268:131787. [PMID: 38657939 DOI: 10.1016/j.ijbiomac.2024.131787] [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: 01/31/2024] [Revised: 03/27/2024] [Accepted: 04/21/2024] [Indexed: 04/26/2024]
Abstract
Chitin oligosaccharides (CTOS) possess potential applications in food, medicine, and agriculture. However, lower mass transfer and catalytic efficiency are the main kinetic limitations for the production of CTOS from shrimp shell waste (SSW) and crystalline chitin. Chemical or physical methods are usually used for pretreatment to improve chitinase hydrolysis efficiency, but this is not eco-friendly and cost-effective. To address this challenge, a chitinase nanoreactor with the liquid-solid system (BcChiA1@ZIF-8) was manufactured to boost the one-step degradation of SSW and crystalline chitin. Compared with free enzyme, the catalytic efficiency of BcChiA1@ZIF-8 on colloidal chitin was significantly improved to 142 %. SSW and crystalline chitin can be directly degraded by BcChiA1@ZIF-8 without any pretreatments. The yield of N, N'-diacetylchitobiose [(GlcNAc)2] from SSW and N-acetyl-D-glucosamine (GlcNAc) from crystalline chitin was 2 times and 3.1 times than that of free enzyme, respectively. The reason was that BcChiA1@ZIF-8 with a liquid-solid system enlarged the interface area, increased the collision frequency between enzyme and substrate, and improved the large-substrates binding activity of chitinase. Moreover, the biphasic system exhibited excellent stability, and the design showed universal applicability. This strategy provided novel guidance for other polysaccharide biosynthesis and the conversion of environmental waste into carbohydrates.
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Affiliation(s)
- Ziteng Wang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China
| | - Yijin Cai
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China
| | - Mingxuan Li
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; College of Food Science and Light Industry, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China
| | - Xiaoru Wan
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China
| | - Li Mi
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China.
| | - Wenge Yang
- School of Pharmaceutical Sciences, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China
| | - Yonghong Hu
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China; College of Food Science and Light Industry, Nanjing Tech University, No. 30, South Puzhu Road, Nanjing 211816, PR China.
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Correa KCS, Facchinatto WM, Habitzreuter FB, Ribeiro GH, Rodrigues LG, Micocci KC, Campana-Filho SP, Colnago LA, Souza DHF. Activity of a Recombinant Chitinase of the Atta sexdens Ant on Different Forms of Chitin and Its Fungicidal Effect against Lasiodiplodia theobromae. Polymers (Basel) 2024; 16:529. [PMID: 38399907 PMCID: PMC10892911 DOI: 10.3390/polym16040529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 02/09/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
This study evaluates the activity of a recombinant chitinase from the leaf-cutting ant Atta sexdens (AsChtII-C4B1) against colloidal and solid α- and β-chitin substrates. 1H NMR analyses of the reaction media showed the formation of N-acetylglucosamine (GlcNAc) as the hydrolysis product. Viscometry analyses revealed a reduction in the viscosity of chitin solutions, indicating that the enzyme decreases their molecular masses. Both solid state 13C NMR and XRD analyses showed minor differences in chitin crystallinity pre- and post-reaction, indicative of partial hydrolysis under the studied conditions, resulting in the formation of GlcNAc and a reduction in molecular mass. However, the enzyme was unable to completely degrade the chitin samples, as they retained most of their solid-state structure. It was also observed that the enzyme acts progressively and with a greater activity on α-chitin than on β-chitin. AsChtII-C4B1 significantly changed the hyphae of the phytopathogenic fungus Lasiodiplodia theobromae, hindering its growth in both solid and liquid media and reducing its dry biomass by approximately 61%. The results demonstrate that AsChtII-C4B1 could be applied as an agent for the bioproduction of chitin derivatives and as a potential antifungal agent.
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Affiliation(s)
- Katia Celina Santos Correa
- Department of Chemistry, Federal University of Sao Carlos, 13565-905 Sao Carlos, Brazil; (K.C.S.C.); (L.G.R.); (K.C.M.)
| | - William Marcondes Facchinatto
- Aveiro Institute of Materials, CICECO, Department of Chemistry, University of Aveiro, St. Santiago, 3810-193 Aveiro, Portugal;
| | - Filipe Biagioni Habitzreuter
- Sao Carlos Institute of Chemistry, University of Sao Paulo, Ave. Trabalhador Sao-carlense 400, 13560-590 Sao Carlos, Brazil; (F.B.H.); (S.P.C.-F.)
| | - Gabriel Henrique Ribeiro
- Brazilian Corporation for Agricultural Research, Embrapa Instrumentation, St. XV de Novembro 1452, 13560-970 Sao Carlos, Brazil; (G.H.R.); (L.A.C.)
| | - Lucas Gomes Rodrigues
- Department of Chemistry, Federal University of Sao Carlos, 13565-905 Sao Carlos, Brazil; (K.C.S.C.); (L.G.R.); (K.C.M.)
| | - Kelli Cristina Micocci
- Department of Chemistry, Federal University of Sao Carlos, 13565-905 Sao Carlos, Brazil; (K.C.S.C.); (L.G.R.); (K.C.M.)
| | - Sérgio Paulo Campana-Filho
- Sao Carlos Institute of Chemistry, University of Sao Paulo, Ave. Trabalhador Sao-carlense 400, 13560-590 Sao Carlos, Brazil; (F.B.H.); (S.P.C.-F.)
| | - Luiz Alberto Colnago
- Brazilian Corporation for Agricultural Research, Embrapa Instrumentation, St. XV de Novembro 1452, 13560-970 Sao Carlos, Brazil; (G.H.R.); (L.A.C.)
| | - Dulce Helena Ferreira Souza
- Department of Chemistry, Federal University of Sao Carlos, 13565-905 Sao Carlos, Brazil; (K.C.S.C.); (L.G.R.); (K.C.M.)
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Shobade SO, Zabotina OA, Nilsen-Hamilton M. Plant root associated chitinases: structures and functions. FRONTIERS IN PLANT SCIENCE 2024; 15:1344142. [PMID: 38362446 PMCID: PMC10867124 DOI: 10.3389/fpls.2024.1344142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Accepted: 01/05/2024] [Indexed: 02/17/2024]
Abstract
Chitinases degrade chitin, a linear homopolymer of β-1,4-linked N-acetyl-D-glucosamine (GlcNAc) residues found in the cell walls of fungi and the exoskeletons of arthropods. They are secreted by the roots into the rhizosphere, a complex and dynamic environment where intense nutrient exchange occurs between plants and microbes. Here we modeled, expressed, purified, and characterized Zea mays and Oryza sativa root chitinases, and the chitinase of a symbiotic bacterium, Chitinophaga oryzae 1303 for their activities with chitin, di-, tri-, and tetra-saccharides and Aspergillus niger, with the goal of determining their role(s) in the rhizosphere and better understanding the molecular mechanisms underlying plant-microbe interactions. We show that Zea mays basic endochitinase (ZmChi19A) and Oryza sativa chitinase (OsChi19A) are from the GH19 chitinase family. The Chitinophaga oryzae 1303 chitinase (CspCh18A) belongs to the GH18 family. The three enzymes have similar apparent K M values of (20-40 µM) for the substrate 4-MU-GlcNAc3. They vary in their pH and temperature optima with OsChi19A activity optimal between pH 5-7 and 30-40°C while ZmChi19A and CspCh18A activities were optimal at pH 7-9 and 50-60°C. Modeling and site-directed mutation of ZmChi19A identified the catalytic cleft and the active residues E147 and E169 strategically positioned at ~8.6Å from each other in the folded protein. Cleavage of 4-MU-GlcNAc3 was unaffected by the absence of the CBD but diminished in the absence of the flexible C-terminal domain. However, unlike for the soluble substrate, the CBD and the newly identified flexible C-terminal domain were vital for inhibiting Aspergillus niger growth. The results are consistent with the involvement of the plant chitinases in defense against pathogens like fungi that have chitin exoskeletons. In summary, we have characterized the functional features and structural domains necessary for the activity of two plant root chitinases that are believed to be involved in plant defense and a bacterial chitinase that, along with the plant chitinases, may participate in nutrient recycling in the rhizosphere.
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Affiliation(s)
- Samuel O. Shobade
- Ames National Laboratory, U. S. Department of Energy, Ames, IA, United States
- Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, IA, United States
| | - Olga A. Zabotina
- Ames National Laboratory, U. S. Department of Energy, Ames, IA, United States
- Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, IA, United States
| | - Marit Nilsen-Hamilton
- Ames National Laboratory, U. S. Department of Energy, Ames, IA, United States
- Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, IA, United States
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8
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Liu Y, Qin Z, Wang C, Jiang Z. N-acetyl-d-glucosamine-based oligosaccharides from chitin: Enzymatic production, characterization and biological activities. Carbohydr Polym 2023; 315:121019. [PMID: 37230627 DOI: 10.1016/j.carbpol.2023.121019] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/28/2023] [Accepted: 05/09/2023] [Indexed: 05/27/2023]
Abstract
Chitin, the second most abundant biopolymer, possesses diverse applications in the food, agricultural, and pharmaceutical industries due to its functional properties. However, the potential applications of chitin are limited owing to its high crystallinity and low solubility. N-acetyl chitooligosaccharides and lacto-N-triose II, the two types of GlcNAc-based oligosaccharides, can be obtained from chitin by enzymatic methods. With their lower molecular weights and improved solubility, these two types of GlcNAc-based oligosaccharides display more various beneficial health effects when compared to chitin. Among their abilities, they have exhibited antioxidant, anti-inflammatory, anti-tumor, antimicrobial, and plant elicitor activities as well as immunomodulatory and prebiotic effects, which suggests they have the potential to be utilized as food additives, functional daily supplements, drug precursors, elicitors for plants, and prebiotics. This review comprehensively covers the enzymatic methods used for the two types of GlcNAc-based oligosaccharides production from chitin by chitinolytic enzymes. Moreover, current advances in the structural characterization and biological activities of these two types of GlcNAc-based oligosaccharides are summarized in the review. We also highlight current problems in the production of these oligosaccharides and trends in their development, aiming to offer some directions for producing functional oligosaccharides from chitin.
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Affiliation(s)
- Yihao Liu
- College of Food Science and Engineering, State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin University of Science & Technology, Tianjin Economy Technological Development Area, No. 29, 13th Avenue, Tianjin 300222, People's Republic of China
| | - Zhen Qin
- School of Life Sciences, Shanghai University, Baoshan District, No.99 Shangda Road, Shanghai 200444, People's Republic of China
| | - Chunling Wang
- College of Food Science and Engineering, State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Tianjin University of Science & Technology, Tianjin Economy Technological Development Area, No. 29, 13th Avenue, Tianjin 300222, People's Republic of China.
| | - Zhengqiang Jiang
- Key Laboratory of Food Bioengineering (China National Light Industry), College of Food Science and Nutritional Engineering, China Agricultural University, Haidian District, No.17 Qinghua East Road, Beijing 100083, People's Republic of China.
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Zhao Z, Chen W, Dong Y, Yang Q, Lu H, Zhang J. Discovery of Potent N-Methylcarbamoylguanidino Insect Growth Regulators Targeting OfChtI and OfChi-h. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:12431-12439. [PMID: 37556680 DOI: 10.1021/acs.jafc.3c02448] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
Insect growth regulators (IGRs) are important insecticides that reduce the harm caused by insects to crops by controlling pest population growth. Chitinases are closely associated with insect growth and are among the most important glycoside hydrolases. Thus, Chitinase is an attractive target for the development of novel insecticides. In this study, we designed and synthesized a series of novel and highly potent insecticides targeting OfChtI and OfChi-h in insects. Enzymatic activity tests showed that most compounds exhibited a potent inhibitory activity against OfCh-h. Binding mode analysis revealed that the target compounds bound to the -1 active subsite of Chitinase through the key pharmacophore N-methylcarbamoylguanidino. Compounds 6e, 6g, 6j, and 6o significantly affected the growth and development of Plutella xylostella at 200 mg/L. Our study provides novel insights for the development of potent insecticide-targeted Chitinase combinations based on receptors and ligands.
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Affiliation(s)
- Zhixiang Zhao
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, People's Republic of China
| | - Wei Chen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, People's Republic of China
| | - Yanhong Dong
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, People's Republic of China
| | - Qing Yang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection and Shenzhen Agricultural Genome Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100193, People's Republic of China
| | - Huizhe Lu
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, People's Republic of China
| | - Jianjun Zhang
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, People's Republic of China
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10
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Hou F, Gong Z, Jia F, Cui W, Song S, Zhang J, Wang Y, Wang W. Insights into the relationships of modifying methods, structure, functional properties and applications of chitin: A review. Food Chem 2023; 409:135336. [PMID: 36586263 DOI: 10.1016/j.foodchem.2022.135336] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/16/2022] [Accepted: 12/26/2022] [Indexed: 12/29/2022]
Abstract
Chitin as the second plentiful polysaccharide has arouse widely attention due to its remarkable availability and biocompatibility. While the strong inter/intra molecular hydrogen bonds and crystallinity severely restrict its applications. Recently, multiple emerging technologies are increasingly used to modify chitin structure for the sake of obtaining excellent functional properties, as well as broadening the corresponding applications. Firstly, this review systematically outlines the features of single and combined methods for chitin modification. Then, the impacts of various modifying methods on the structural characteristics of chitin, including molecular weight, degree of acetylation and functional groups, are further summarized. In addition, the effects of these structural characteristics on the functional properties as well as its potential related applications are illustrated. The conclusion of this review provides better understanding of the relationships among the modifying methods, structure, properties and applications, contributing to chitin modification for the targeted purpose in the future study.
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Affiliation(s)
- Furong Hou
- Key Laboratory of Agro-Products Processing Technology of Shandong Province, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture and Rural Affairs, Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Zhiqing Gong
- Key Laboratory of Agro-Products Processing Technology of Shandong Province, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture and Rural Affairs, Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Fengjuan Jia
- Key Laboratory of Agro-Products Processing Technology of Shandong Province, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture and Rural Affairs, Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Wenjia Cui
- Key Laboratory of Agro-Products Processing Technology of Shandong Province, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture and Rural Affairs, Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Shasha Song
- Key Laboratory of Agro-Products Processing Technology of Shandong Province, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture and Rural Affairs, Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Jian Zhang
- Key Laboratory of Agro-Products Processing Technology of Shandong Province, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture and Rural Affairs, Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Yansheng Wang
- Key Laboratory of Agro-Products Processing Technology of Shandong Province, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture and Rural Affairs, Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Wenliang Wang
- Key Laboratory of Agro-Products Processing Technology of Shandong Province, Key Laboratory of Novel Food Resources Processing, Ministry of Agriculture and Rural Affairs, Institute of Agro-Food Science and Technology, Shandong Academy of Agricultural Sciences, Jinan 250100, China.
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11
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Wang J, Zhu M, Wang P, Chen W. Biochemical Properties of a Cold-Active Chitinase from Marine Trichoderma gamsii R1 and Its Application to Preparation of Chitin Oligosaccharides. Mar Drugs 2023; 21:332. [PMID: 37367657 DOI: 10.3390/md21060332] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/28/2023] Open
Abstract
The enzymatic degradation of different chitin polymers into chitin oligosaccharides (COSs) is of great significance given their better solubility and various biological applications. Chitinase plays a pivotal role in the enzymatic preparation of COSs. Herein, a cold-adapted and efficient chitinase (ChiTg) from the marine Trichoderma gamsii R1 was purified and characterized. The optimal temperature of ChiTg was 40 °C, and the relative activity at 5 °C was above 40.1%. Meanwhile, ChiTg was active and stable from pH 4.0 to 7.0. As an endo-type chitinase, ChiTg exhibited the highest activity with colloidal chitin, then with ball-milled and powdery chitin. In addition, ChiTg showed high efficiency when hydrolyzing colloidal chitin at different temperatures, and the end products were mainly composed of COSs with one to three degrees of polymerization. Furthermore, the results of bioinformatics analysis revealed that ChiTg belongs to the GH18 family, and its acidic surface and the flexible structure of its catalytic site may contribute to its high activity in cold conditions. The results of this study provide a cold-active and efficient chitinase and ideas for its application regarding the preparation of COSs from colloidal chitin.
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Affiliation(s)
- Jianrong Wang
- Shenzhen Raink Ecology & Environment Co., Ltd., Shenzhen 518102, China
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Mujin Zhu
- Shenzhen Raink Ecology & Environment Co., Ltd., Shenzhen 518102, China
| | - Ping Wang
- Shenzhen Raink Ecology & Environment Co., Ltd., Shenzhen 518102, China
| | - Wei Chen
- Shenzhen Raink Ecology & Environment Co., Ltd., Shenzhen 518102, China
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12
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Functional characterization of N-acetyl glucosaminidase from Myrothecium verrucaria for bio-control of plant pathogenic fungi and bio-production of N-acetyl glucosamine. Process Biochem 2023. [DOI: 10.1016/j.procbio.2023.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
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13
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Soni T, Zhuang M, Kumar M, Balan V, Ubanwa B, Vivekanand V, Pareek N. Multifaceted production strategies and applications of glucosamine: a comprehensive review. Crit Rev Biotechnol 2023; 43:100-120. [PMID: 34923890 DOI: 10.1080/07388551.2021.2003750] [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] [Indexed: 01/25/2023]
Abstract
Glucosamine (GlcN) and its derivatives are in high demand and used in various applications such as food, a precursor for the biochemical synthesis of fuels and chemicals, drug delivery, cosmetics, and supplements. The vast number of applications attributed to GlcN has raised its demand, and there is a growing emphasis on developing production methods that are sustainable and economical. Several: physical, chemical, enzymatic, microbial fermentation, recombinant processing methods, and their combinations have been reported to produce GlcN from chitin and chitosan available from different sources, such as animals, plants, and fungi. In addition, genetic manipulation of certain organisms has significantly improved the quality and yield of GlcN compared to conventional processing methods. This review will summarize the chitin and chitosan-degrading enzymes found in various organisms and the expression systems that are widely used to produce GlcN. Furthermore, new developments and methods, including genetic and metabolic engineering of Escherichia coli and Bacillus subtilis to produce high titers of GlcN and GlcNAc will be reviewed. Moreover, other sources of glucosamine production viz. starch and inorganic ammonia will also be discussed. Finally, the conversion of GlcN to fuels and chemicals using catalytic and biochemical conversion will be discussed.
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Affiliation(s)
- Twinkle Soni
- Microbial Catalysis and Process Engineering Laboratory, Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer, India
| | - Mengchuan Zhuang
- Department of Engineering Technology, College of Technology, University of Houston, Sugar Land, TX, USA
| | - Manish Kumar
- Microbial Catalysis and Process Engineering Laboratory, Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer, India
| | - Venkatesh Balan
- Department of Engineering Technology, College of Technology, University of Houston, Sugar Land, TX, USA
| | - Bryan Ubanwa
- Department of Engineering Technology, College of Technology, University of Houston, Sugar Land, TX, USA
| | - Vivekanand Vivekanand
- Centre for Energy and Environment, Malaviya National Institute of Technology, Jaipur, India
| | - Nidhi Pareek
- Microbial Catalysis and Process Engineering Laboratory, Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer, India
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14
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Chitinase-Assisted Bioconversion of Chitinous Waste for Development of Value-Added Chito-Oligosaccharides Products. BIOLOGY 2023; 12:biology12010087. [PMID: 36671779 PMCID: PMC9855443 DOI: 10.3390/biology12010087] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/25/2022] [Accepted: 12/29/2022] [Indexed: 01/07/2023]
Abstract
Chito-oligosaccharides (COSs) are the partially hydrolyzed products of chitin, which is abundant in the shells of crustaceans, the cuticles of insects, and the cell walls of fungi. These oligosaccharides have received immense interest in the last few decades due to their highly promising bioactivities, such as their anti-microbial, anti-tumor, and anti-inflammatory properties. Regarding environmental concerns, COSs are obtained by enzymatic hydrolysis by chitinase under milder conditions compared to the typical chemical degradation. This review provides updated information about research on new chitinase derived from various sources, including bacteria, fungi, plants, and animals, employed for the efficient production of COSs. The route to industrialization of these chitinases and COS products is also described.
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15
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2017-2018. MASS SPECTROMETRY REVIEWS 2023; 42:227-431. [PMID: 34719822 DOI: 10.1002/mas.21721] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 07/26/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
This review is the tenth update of the original article published in 1999 on the application of matrix-assisted laser desorption/ionization mass spectrometry (MALDI) mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2018. Also included are papers that describe methods appropriate to glycan and glycoprotein analysis by MALDI, such as sample preparation techniques, even though the ionization method is not MALDI. Topics covered in the first part of the review include general aspects such as theory of the MALDI process, new methods, matrices, derivatization, MALDI imaging, fragmentation and the use of arrays. The second part of the review is devoted to applications to various structural types such as oligo- and poly-saccharides, glycoproteins, glycolipids, glycosides, and biopharmaceuticals. Most of the applications are presented in tabular form. The third part of the review covers medical and industrial applications of the technique, studies of enzyme reactions, and applications to chemical synthesis. The reported work shows increasing use of combined new techniques such as ion mobility and highlights the impact that MALDI imaging is having across a range of diciplines. MALDI is still an ideal technique for carbohydrate analysis and advancements in the technique and the range of applications continue steady progress.
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Affiliation(s)
- David J Harvey
- Nuffield Department of Medicine, Target Discovery Institute, University of Oxford, Oxford, UK
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16
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He B, Yang L, Yang D, Jiang M, Ling C, Chen H, Ji F, Pan L. Biochemical purification and characterization of a truncated acidic, thermostable chitinase from marine fungus for N-acetylglucosamine production. Front Bioeng Biotechnol 2022; 10:1013313. [PMID: 36267443 PMCID: PMC9578694 DOI: 10.3389/fbioe.2022.1013313] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 08/22/2022] [Indexed: 12/05/2022] Open
Abstract
N-acetylglucosamine (GlcNAc) is widely used in nutritional supplement and is generally produced from chitin using chitinases. While most GlcNAc is produced from colloidal chitin, it is essential that chitinases be acidic enzymes. Herein, we characterized an acidic, highly salinity tolerance and thermostable chitinase AfChiJ, identified from the marine fungus Aspergillus fumigatus df673. Using AlphaFold2 structural prediction, a truncated Δ30AfChiJ was heterologously expressed in E. coli and successfully purified. It was also found that it is active in colloidal chitin, with an optimal temperature of 45°C, an optimal pH of 4.0, and an optimal salt concentration of 3% NaCl. Below 45°C, it was sound over a wide pH range of 2.0–6.0 and maintained high activity (≥97.96%) in 1–7% NaCl. A notable increase in chitinase activity was observed of Δ30AfChiJ by the addition of Mg2+, Ba2+, urea, and chloroform. AfChiJ first decomposed colloidal chitin to generate mainly N-acetyl chitobioase, which was successively converted to its monomer GlcNAc. This indicated that AfChiJ is a bifunctional enzyme, composed of chitobiosidase and β-N-acetylglucosaminidase. Our result suggested that AfChiJ likely has the potential to convert chitin-containing biomass into high-value added GlcNAc.
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Affiliation(s)
- Bin He
- School of Animal Science and Technology, Guangxi University, Nanning, Guangxi, China
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Liyan Yang
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Dengfeng Yang
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Academy of Sciences, Nanning, Guangxi, China
| | - Minguo Jiang
- Guangxi Key Laboratory for Polysaccharide Materials and Modifications, School of Marine Sciences and Biotechnology, Guangxi University for Nationalities, Nanning, China
| | - Chengjin Ling
- Nanning Dabeinong Feed Technology Co., Ltd., Nanning, Guangxi, China
| | - Hailan Chen
- School of Animal Science and Technology, Guangxi University, Nanning, Guangxi, China
- *Correspondence: Hailan Chen, ; Feng Ji, ; Lixia Pan,
| | - Feng Ji
- Guangxi Huaren Medical Technolgoy Group, Nanning, Guangxi, China
- *Correspondence: Hailan Chen, ; Feng Ji, ; Lixia Pan,
| | - Lixia Pan
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Guangxi Academy of Sciences, Nanning, Guangxi, China
- *Correspondence: Hailan Chen, ; Feng Ji, ; Lixia Pan,
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17
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Rajput M, Kumar M, Pareek N. Myco-chitinases as versatile biocatalysts for translation of coastal residual resources to eco-competent chito-bioactives. FUNGAL BIOL REV 2022. [DOI: 10.1016/j.fbr.2022.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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18
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Akram F, Jabbar Z, Aqeel A, Haq IU, Tariq S, Malik K. A Contemporary Appraisal on Impending Industrial and Agricultural Applications of Thermophilic-Recombinant Chitinolytic Enzymes from Microbial Sources. Mol Biotechnol 2022; 64:1055-1075. [PMID: 35397055 DOI: 10.1007/s12033-022-00486-0] [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: 12/18/2021] [Accepted: 03/25/2022] [Indexed: 01/09/2023]
Abstract
The ability of chitinases to degrade the second most abundant polymer, chitin, into potentially useful chitooligomers and chitin derivatives has not only rendered them fit for chitinous waste management but has also made them important from industrial point of view. At the same time, they have also been recognized to have an imperative role as promising biocontrol agents for controlling plant diseases. As thermostability is an important property for an industrially important enzyme, various bacterial and fungal sources are being exploited to obtain such stable enzymes. These stable enzymes can also play a role in agriculture by maintaining their stability under adverse environmental conditions for longer time duration when used as biocontrol agent. Biotechnology has also played its role in the development of recombinant chitinases with enhanced activity, thermostability, fungicidal and insecticidal activity via recombinant DNA techniques. Furthermore, a relatively new approach of generating pathogen-resistant transgenic plants has opened new ways for sustainable agriculture by minimizing the yield loss of valuable crops and plants. This review focuses on the potential applications of thermostable and recombinant microbial chitinases in industry and agriculture.
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Affiliation(s)
- Fatima Akram
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan.
| | - Zuriat Jabbar
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan
| | - Amna Aqeel
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan
| | - Ikram Ul Haq
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan.,Pakistan Academy of Sciences, Islamabad, Pakistan
| | - Shahbaz Tariq
- Institute of Industrial Biotechnology, Government College University, Lahore, 54000, Pakistan
| | - Kausar Malik
- Centre for Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
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19
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Gilvanova EA, Aktuganov GE, Safina VR, Milman PY, Lopatin SA, Melentiev AI, Galimzianova NF, Kuzmina LY, Boyko TF. Characterization of Thermotolerant Chitinase from the Strain Cohnella sp. IB P-192 and Its Application for the Production of Bioactive Chitosan Oligomers. APPL BIOCHEM MICRO+ 2022. [DOI: 10.1134/s0003683822020077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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20
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El-Gendi H, Saleh AK, Badierah R, Redwan EM, El-Maradny YA, El-Fakharany EM. A Comprehensive Insight into Fungal Enzymes: Structure, Classification, and Their Role in Mankind's Challenges. J Fungi (Basel) 2021; 8:23. [PMID: 35049963 PMCID: PMC8778853 DOI: 10.3390/jof8010023] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/22/2021] [Accepted: 12/25/2021] [Indexed: 11/16/2022] Open
Abstract
Enzymes have played a crucial role in mankind's challenges to use different types of biological systems for a diversity of applications. They are proteins that break down and convert complicated compounds to produce simple products. Fungal enzymes are compatible, efficient, and proper products for many uses in medicinal requests, industrial processing, bioremediation purposes, and agricultural applications. Fungal enzymes have appropriate stability to give manufactured products suitable shelf life, affordable cost, and approved demands. Fungal enzymes have been used from ancient times to today in many industries, including baking, brewing, cheese making, antibiotics production, and commodities manufacturing, such as linen and leather. Furthermore, they also are used in other fields such as paper production, detergent, the textile industry, and in drinks and food technology in products manufacturing ranging from tea and coffee to fruit juice and wine. Recently, fungi have been used for the production of more than 50% of the needed enzymes. Fungi can produce different types of enzymes extracellularly, which gives a great chance for producing in large amounts with low cost and easy viability in purified forms using simple purification methods. In the present review, a comprehensive trial has been advanced to elaborate on the different types and structures of fungal enzymes as well as the current status of the uses of fungal enzymes in various applications.
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Affiliation(s)
- Hamada El-Gendi
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Universities and Research Institutes Zone, New Borg El-Arab, Alexandria 21934, Egypt;
| | - Ahmed K. Saleh
- Cellulose and Paper Department, National Research Centre, El-Tahrir St., Dokki, Giza 12622, Egypt;
| | - Raied Badierah
- Biological Science Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; (R.B.); (E.M.R.)
- Medical Laboratory, King Abdulaziz University Hospital, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Elrashdy M. Redwan
- Biological Science Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia; (R.B.); (E.M.R.)
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg EL-Arab, Alexandria 21934, Egypt;
| | - Yousra A. El-Maradny
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg EL-Arab, Alexandria 21934, Egypt;
| | - Esmail M. El-Fakharany
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg EL-Arab, Alexandria 21934, Egypt;
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21
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Poria V, Rana A, Kumari A, Grewal J, Pranaw K, Singh S. Current Perspectives on Chitinolytic Enzymes and Their Agro-Industrial Applications. BIOLOGY 2021; 10:1319. [PMID: 34943233 PMCID: PMC8698876 DOI: 10.3390/biology10121319] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/03/2021] [Accepted: 12/09/2021] [Indexed: 12/16/2022]
Abstract
Chitinases are a large and diversified category of enzymes that break down chitin, the world's second most prevalent polymer after cellulose. GH18 is the most studied family of chitinases, even though chitinolytic enzymes come from a variety of glycosyl hydrolase (GH) families. Most of the distinct GH families, as well as the unique structural and catalytic features of various chitinolytic enzymes, have been thoroughly explored to demonstrate their use in the development of tailor-made chitinases by protein engineering. Although chitin-degrading enzymes may be found in plants and other organisms, such as arthropods, mollusks, protozoans, and nematodes, microbial chitinases are a promising and sustainable option for industrial production. Despite this, the inducible nature, low titer, high production expenses, and susceptibility to severe environments are barriers to upscaling microbial chitinase production. The goal of this study is to address all of the elements that influence microbial fermentation for chitinase production, as well as the purifying procedures for attaining high-quality yield and purity.
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Affiliation(s)
- Vikram Poria
- Department of Microbiology, Central University of Haryana, Mahendargarh 123031, India; (V.P.); (A.K.)
| | - Anuj Rana
- Department of Microbiology (COBS & H), CCS Haryana Agricultural University, Hisar 125004, India;
| | - Arti Kumari
- Department of Microbiology, Central University of Haryana, Mahendargarh 123031, India; (V.P.); (A.K.)
| | - Jasneet Grewal
- Department of Environmental Microbiology and Biotechnology, Institute of Microbiology, Faculty of Biology, University of Warsaw, Miecznikowa, 102-096 Warsaw, Poland; (J.G.); (K.P.)
| | - Kumar Pranaw
- Department of Environmental Microbiology and Biotechnology, Institute of Microbiology, Faculty of Biology, University of Warsaw, Miecznikowa, 102-096 Warsaw, Poland; (J.G.); (K.P.)
| | - Surender Singh
- Department of Microbiology, Central University of Haryana, Mahendargarh 123031, India; (V.P.); (A.K.)
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22
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Qin X, Xin Y, Su X, Wang X, Zhang J, Tu T, Wang Y, Yao B, Huang H, Luo H. Heterologous expression and characterization of thermostable chitinase and β-N-acetylhexosaminidase from Caldicellulosiruptor acetigenus and their synergistic action on the bioconversion of chitin into N-acetyl-d-glucosamine. Int J Biol Macromol 2021; 192:250-257. [PMID: 34627844 DOI: 10.1016/j.ijbiomac.2021.09.204] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 09/29/2021] [Accepted: 09/29/2021] [Indexed: 11/30/2022]
Abstract
The bioconversion of chitin into N-acetyl-d-glucosamine (GlcNAc) using chitinolytic enzymes is one of the important avenues for chitin valorization. However, industrial applications of chitinolytic enzymes have been limited by their poor thermostability. Therefore, it is necessary to discover thermostable chitinolytic enzymes for GlcNAc production from chitin. In this study, two chitinolytic enzyme-encoding genes CaChiT and CaHex from Caldicellulosiruptor acetigenus were identified and heterologously expressed in Escherichia coli. The purified recombinant CaChiT and CaHex showed optimal activities at 70 °C and 90 °C respectively, and exhibited good thermostability over a range of temperature below 70 °C and broad pH stability at pH range of 3.0-8.0. CaChiT and CaHex were active on colloidal chitin, pNP-(GlcNAc)2, pNP-(GlcNAc)3, and pNP-GlcNAc, pNP-(GlcNAc)2, pNP-(GlcNAc)3, pNP-Glc respectively. Besides, the chitin oligosaccharides and colloidal chitin hydrolysis profiles revealed that CaChiT degraded chitin chains through exo-mode of action. Furthermore, CaChiT and CaHex exhibited a synergistic effect in the degradation of colloidal chitin, reaching 0.60 mg/mL of GlcNAc production after 1 h incubation. These results suggested that a combination of CaChiT and CaHex have great potential for industrial applications in the enzymatic production of GlcNAc from chitin-containing biowastes.
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Affiliation(s)
- Xing Qin
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - YanZhe Xin
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xiaoyun Su
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xiaolu Wang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jie Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Tao Tu
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yaru Wang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Bin Yao
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Huoqing Huang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Huiying Luo
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
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23
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Recombinant production and characterisation of two chitinases from Rasamsonia emersonii, and assessment of their potential industrial applicability. Appl Microbiol Biotechnol 2021; 105:7769-7783. [PMID: 34581845 DOI: 10.1007/s00253-021-11578-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 09/03/2021] [Accepted: 09/08/2021] [Indexed: 12/22/2022]
Abstract
Rasamsonia emersonii (previously Talaromyces emersonii) is a thermophilic filamentous fungus displaying optimum growth at 45 °C. It has a history of use in commercial food enzyme production. Its unfractionated chitinolytic secretome was partially characterised in the early 1990s; however, no individual chitinase from this source has been described in literature previously. This study describes two GH18 chitinases originating from the R. emersonii genome, expressed in the methylotrophic yeast P. pastoris. Chit1 comprises of a GH18 catalytic domain and Chit2 comprises of a GH18 catalytic domain and a chitin-binding motif at the C-terminal. The chitinases were expressed as glycoproteins. The apparent molecular weight of Chit1 was 35.8-42.1 kDa with a smearing tail associated with glyco-sidechains visible up to 72.2 kDa. This became two bands of 30.8 and 29.0 kDa upon de-glycosylation. The apparent molecular weight of Chit2 was 50.4 kDa, reducing to 48.2 kDa upon de-glycosylation. Both chitinases displayed endo-chitinase and chitobiosidase activity, temperature optima of 50-55 °C and low pH optima (pH 4.5 or lower); Chit1 displayed a pH optimum of 3.5, retaining > 60% maximum activity at pH 2.2, a pH range lower than most enzymes of fungal origin. Chit2 displayed the highest chitin-degrading ability at 3456 µmol/mg on 4-NP-triacetylchitotriose, but lost activity faster than Chit1, which displayed 403 µmol/mg on the same substrate. The predicted D values (time required to reduce the enzyme activity to 10% of its original value at 50 °C) were 19.2 and 2.3 days for Chit1 and Chit2, respectively. Thus, Chit1 can be considered one of few hyperthermostable chitinase enzymes described in literature to date. Their physicochemical properties render these chitinases likely suitable for shrimp chitin processing including one-step chitin hydrolysis and alternative sustainable protein processing and the attractive emerging application of mushroom food waste valorisation.Key points• Two GH18 chitinases originating from the industrially relevant thermophilic fungus R. emersonii were cloned and expressed in P. pastoris.• The purified recombinant chitinases showed low pH and high temperature optima and appreciable thermostability at industrially relevant temperatures.• The chitinases displayed characteristics that indicate their likely suitability to several industrial applications including sustainable alternative protein processing, food waste valorisation of commercial mushroom production and one-step shrimp chitin processing.
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Yu P, Wang X, Ma J, Zhang Q, Chen Q. Chaperone-assisted soluble expression and characterization of chitinase chiZJ408 in Escherichia coli BL21 and the chitin degradation by recombinant enzyme. Prep Biochem Biotechnol 2021; 52:273-282. [PMID: 34110982 DOI: 10.1080/10826068.2021.1934698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The chaperone-assisted soluble expression and characterization of high molecular weight chitinase chiZJ408 in Escherichia coli BL21 were investigated. Chitin degradation products by chitinase chiZJ408 were analyzed. The results indicated that the introduction of the chaperone GroELS promoted the correct folding of chitinase chiZJ408 and increased its soluble expression by 14.9% (p < 0.05) in E. coli BL21. The optimal pH and temperature of chitinase chiZJ408 were respectively 6.0 and 50 °C. Chitinase chiZJ408 was stable at pHs of 4.0 ∼ 7.0 and at below 40 °C. Mg2+and Ca2+ had a significant impact on improving the activity of chitinase chiZJ408. Chitinase chiZJ408 was demonstrated to be exochitinase that cleaved the β-1,4-glycosidic bond of the chitin chain to generate only N,N'-diacetylchitobiose. This study broadens our understanding of chitinase and provides a basis for solving the problem of inclusion body formed by long fragment gene expression in E. coli.
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Affiliation(s)
- Ping Yu
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, People's Republic of China
| | - Xinxin Wang
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, People's Republic of China
| | - Jian Ma
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, People's Republic of China
| | - Qili Zhang
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, People's Republic of China
| | - Qingwei Chen
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, People's Republic of China
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Li J, Wang D, Chang SC, Liang PH, Srivastava V, Guu SY, Shie JJ, Khoo KH, Bulone V, Hsieh YSY. Production of Structurally Defined Chito-Oligosaccharides with a Single N-Acetylation at Their Reducing End Using a Newly Discovered Chitinase from Paenibacillus pabuli. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:3371-3379. [PMID: 33688734 PMCID: PMC8041281 DOI: 10.1021/acs.jafc.0c06804] [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: 10/27/2020] [Revised: 02/15/2021] [Accepted: 02/25/2021] [Indexed: 06/06/2023]
Abstract
Partially acetylated chito-oligosaccharides (paCOSs) are bioactive compounds with potential medical applications. Their biological activities are largely dependent on their structural properties, in particular their degree of polymerization (DP) and the position of the acetyl groups along the glycan chain. The production of structurally defined paCOSs in a purified form is highly desirable to better understand the structure/bioactivity relationship of these oligosaccharides. Here, we describe a newly discovered chitinase from Paenibacillus pabuli (PpChi) and demonstrate by mass spectrometry that it essentially produces paCOSs with a DP of three and four that carry a single N-acetylation at their reducing end. We propose that this specific composition of glucosamine (GlcN) and N-acetylglucosamine (GlcNAc) residues, as in GlcN(n)GlcNAc1, is due to a subsite specificity toward GlcN residues at the -2, -3, and -4 positions of the partially acetylated chitosan substrates. In addition, the enzyme is stable, as evidenced by its long shelf life, and active over a large temperature range, which is of high interest for potential use in industrial processes. It exhibits a kcat of 67.2 s-1 on partially acetylated chitosan substrates. When PpChi was used in combination with a recently discovered fungal auxilary activity (AA11) oxidase, a sixfold increase in the release of oligosaccharides from the lobster shell was measured. PpChi represents an attractive biocatalyst for the green production of highly valuable paCOSs with a well-defined structure and the expansion of the relatively small library of chito-oligosaccharides currently available.
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Affiliation(s)
- Jing Li
- College
of Life Sciences, Shanghai Normal University, Shanghai 220234, PR China
- Division
of Glycoscience, Department of Chemistry, School of Engineering Sciences
in Chemistry, Biotechnology and Health, Royal Institute of Technology
(KTH), AlbaNova University Center, Stockholm SE10691, Sweden
- School
of Pharmacy, College of Pharmacy, Taipei
Medical University, 250
Wuxing Street, Taipei 110, Taiwan
| | - Damao Wang
- Division
of Glycoscience, Department of Chemistry, School of Engineering Sciences
in Chemistry, Biotechnology and Health, Royal Institute of Technology
(KTH), AlbaNova University Center, Stockholm SE10691, Sweden
- College
of Food Science, Southwest University, Chongqing 400715, PR China
| | - Shu-Chieh Chang
- Division
of Glycoscience, Department of Chemistry, School of Engineering Sciences
in Chemistry, Biotechnology and Health, Royal Institute of Technology
(KTH), AlbaNova University Center, Stockholm SE10691, Sweden
| | - Pi-Hui Liang
- School
of Pharmacy, College of Medicine, National
Taiwan University, Taipei 100, Taiwan
| | - Vaibhav Srivastava
- Division
of Glycoscience, Department of Chemistry, School of Engineering Sciences
in Chemistry, Biotechnology and Health, Royal Institute of Technology
(KTH), AlbaNova University Center, Stockholm SE10691, Sweden
| | - Shih-Yun Guu
- Institute
of Biological Chemistry, Academia Sinica, 128 Academia Road Sec. 2, Nankang, Taipei 115, Taiwan
| | - Jiun-Jie Shie
- Institute
of Chemistry, Academia Sinica, 128 Academia Road Sec. 2, Nankang, Taipei 115, Taiwan
| | - Kay-Hooi Khoo
- Institute
of Biological Chemistry, Academia Sinica, 128 Academia Road Sec. 2, Nankang, Taipei 115, Taiwan
| | - Vincent Bulone
- Division
of Glycoscience, Department of Chemistry, School of Engineering Sciences
in Chemistry, Biotechnology and Health, Royal Institute of Technology
(KTH), AlbaNova University Center, Stockholm SE10691, Sweden
- School
of Agriculture, Food and Wine, The University
of Adelaide, Urrbrae 5064, Australia
| | - Yves S. Y. Hsieh
- Division
of Glycoscience, Department of Chemistry, School of Engineering Sciences
in Chemistry, Biotechnology and Health, Royal Institute of Technology
(KTH), AlbaNova University Center, Stockholm SE10691, Sweden
- School
of Pharmacy, College of Pharmacy, Taipei
Medical University, 250
Wuxing Street, Taipei 110, Taiwan
- Genomics
Research Center, Academia Sinica, 128 Academia Road Sec. 2, Nankang, Taipei 115, Taiwan
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26
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Bioconversion of chitin waste using a cold-adapted chitinase to produce chitin oligosaccharides. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109863] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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27
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Kuzmina LY, Chervyatsova OY, Iasakov TR, Safina VR, Galimzyanova NF, Melent’ev AI, Aktuganov GE. Characterization of Novel Chitin-degrading laceyella spp. Strains from New Athos Cave (Abkhazia) Producing Thermostable Chitinases. Microbiology (Reading) 2020. [DOI: 10.1134/s0026261720050148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Mathew GM, Madhavan A, Arun KB, Sindhu R, Binod P, Singhania RR, Sukumaran RK, Pandey A. Thermophilic Chitinases: Structural, Functional and Engineering Attributes for Industrial Applications. Appl Biochem Biotechnol 2020; 193:142-164. [PMID: 32827066 DOI: 10.1007/s12010-020-03416-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 08/12/2020] [Indexed: 02/07/2023]
Abstract
Chitin is the second most widely found natural polymer next to cellulose. Chitinases degrade the insoluble chitin to bioactive chitooligomers and monomers for various industrial applications. Based on their function, these enzymes act as biocontrol agents against pathogenic fungi and invasive pests compared with conventional chemical fungicides and insecticides. They have other functional roles in shellfish waste management, fungal protoplast generation, and Single-Cell Protein production. Among the chitinases, thermophilic and thermostable chitinases are gaining popularity in recent years, as they can withstand high temperatures and maintain the enzyme stability for longer periods. Not all chitinases are thermostable; hence, tailor-made thermophilic chitinases are designed to enhance their thermostability by direct evolution, genetic engineering involving mutagenesis, and proteomics approach. Although research has been done extensively on cloning and expression of thermophilic chitinase genes, there are only few papers discussing on the mechanism of chitin degradation using thermophiles. The current review discusses the sources of thermophilic chitinases, improvement of protein stability by gene manipulation, metagenomics approaches, chitin degradation mechanism in thermophiles, and their prospective applications for industrial, agricultural, and pharmaceutical purposes.
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Affiliation(s)
- Gincy M Mathew
- Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Trivandrum, 695 019, India
| | - Aravind Madhavan
- Rajiv Gandhi Center for Biotechnology, Jagathy, Thiruvananthapuram, 695 014, India
| | - K B Arun
- Rajiv Gandhi Center for Biotechnology, Jagathy, Thiruvananthapuram, 695 014, India
| | - Raveendran Sindhu
- Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Trivandrum, 695 019, India
| | - Parameswaran Binod
- Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Trivandrum, 695 019, India
| | | | - Rajeev K Sukumaran
- Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Trivandrum, 695 019, India
| | - Ashok Pandey
- Center for Innovation and Translational Research, CSIR - Indian Institute of Toxicology Research, Lucknow, 226 001, India.
- Frontier Research Lab, Yonsei University, Seoul, South Korea.
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29
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Su Z, Luo J, Li X, Pinelo M. Enzyme membrane reactors for production of oligosaccharides: A review on the interdependence between enzyme reaction and membrane separation. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116840] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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30
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Kumar M, Rajput M, Soni T, Vivekanand V, Pareek N. Chemoenzymatic Production and Engineering of Chitooligosaccharides and N-acetyl Glucosamine for Refining Biological Activities. Front Chem 2020; 8:469. [PMID: 32671017 PMCID: PMC7329927 DOI: 10.3389/fchem.2020.00469] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Accepted: 05/05/2020] [Indexed: 01/07/2023] Open
Abstract
Chitooligosaccharides (COS) and N-acetyl glucosamine (GlcNAc) are currently of enormous relevance to pharmaceutical, nutraceutical, cosmetics, food, and agriculture industries due to their wide range of biological activities, which include antimicrobial, antitumor, antioxidant, anticoagulant, wound healing, immunoregulatory, and hypocholesterolemic effects. A range of methods have been developed for the synthesis of COS with a specific degree of polymerization along with high production titres. In this respect, chemical, enzymatic, and microbial means, along with modern genetic manipulation techniques, have been extensively explored; however no method has been able to competently produce defined COS and GlcNAc in a mono-system approach. Henceforth, the chitin research has turned toward increased exploration of chemoenzymatic processes for COS and GlcNAc generation. Recent developments in the area of green chemicals, mainly ionic liquids, proved vital for the specified COS and GlcNAc synthesis with better yield and purity. Moreover, engineering of COS and GlcNAc to generate novel derivatives viz. carboxylated, sulfated, phenolic acid conjugated, amino derived COS, etc., further improved their biological activities. Consequently, chemoenzymatic synthesis and engineering of COS and GlcNAc emerged as a useful approach to lead the biologically-active compound-based biomedical research to an advanced prospect in the forthcoming era.
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Affiliation(s)
- Manish Kumar
- Microbial Catalysis and Process Engineering Laboratory, Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer, India
| | - Meenakshi Rajput
- Microbial Catalysis and Process Engineering Laboratory, Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer, India
| | - Twinkle Soni
- Microbial Catalysis and Process Engineering Laboratory, Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer, India
| | - Vivekanand Vivekanand
- Centre for Energy and Environment, Malaviya National Institute of Technology, Jaipur, India
| | - Nidhi Pareek
- Microbial Catalysis and Process Engineering Laboratory, Department of Microbiology, School of Life Sciences, Central University of Rajasthan, Ajmer, India
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31
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Liu T, Han H, Wang D, Guo X, Zhou Y, Fukamizo T, Yang Q. Potent Fungal Chitinase for the Bioconversion of Mycelial Waste. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:5384-5390. [PMID: 32275147 DOI: 10.1021/acs.jafc.0c01342] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Aspergillus niger mycelial waste is a good raw material for production of N-acetyl-d-glucosamine (GlcNAc). In this study, AnChiB, an A. niger chitinase which is upregulated during autolysis, was found to degrade A. niger mycelial waste with high efficiency. It could produce 1.45 mM (GlcNAc)2 in 8 h from raw mycelial waste, outperforming other chitinases, including bacterial SmChiA, human HsCht, and insect OfChtI and OfChi-h. The crystal structure of AnChiB was determined, and residues Trp106 and Trp118 were found to be important for the activity of AnChiB toward mycelial waste; mutation of either Trp106 or Trp118 into phenylalanine or alanine resulted in dramatically decreased activity. A recombinant strain of Bacillus subtilis was constructed to extracellularly produce AnChiB, and the culture supernatant was used to treat mycelial waste. This eco-friendly strategy could produce 3.7 mM of GlcNAc from 10 g of mycelial waste in 94 h with a yield of 71.3%.
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Affiliation(s)
- Tian Liu
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Hongyu Han
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
- Shandong Food Ferment Industry Research & Design Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250013, China
| | - Di Wang
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Xiaoguang Guo
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Yong Zhou
- School of Software, Dalian University of Technology, Dalian 116024, China
| | - Tamo Fukamizo
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Qing Yang
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection and Shenzhen Agricultural Genome Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100193, China
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32
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Fang JL, Luo Y, Yuan K, Guo Y, Jin SH. Preparation and evaluation of an encapsulated anthocyanin complex for enhancing the stability of anthocyanin. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2019.108543] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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33
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Vidhate RP, Bhide AJ, Gaikwad SM, Giri AP. A potent chitin-hydrolyzing enzyme from Myrothecium verrucaria affects growth and development of Helicoverpa armigera and plant fungal pathogens. Int J Biol Macromol 2019; 141:517-528. [PMID: 31494159 DOI: 10.1016/j.ijbiomac.2019.09.031] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 08/16/2019] [Accepted: 09/04/2019] [Indexed: 02/06/2023]
Abstract
Chitin, a crucial structural and functional component of insects and fungi, serves as a target for pest management by utilizing novel chitinases. Here, we report the biocontrol potential of recombinant Myrothecium verrucaria endochitinase (rMvEChi) against insect pest and fungal pathogens. A complete ORF of MvEChi (1185 bp) was cloned and heterologously expressed in Escherichia coli. Structure based sequence alignment of MvEChi revealed the presence of conserved domains SXGG and DXXDXDXE specific for GH-18 family, involved in substrate binding and catalysis, respectively. rMvEChi (46.6 kDa) showed optimum pH and temperature as 7.0 and 30 °C, respectively. Furthermore, rMvEChi remained stable within the pH range of 6.0 to 8.0 and up to 40 °C. rMvEChi exhibited kcat/Km values of 129.83 × 103 [(g/L)-1 s-1] towards 4MU chitotrioside. Hydrolysis of chitooligosaccharides with various degrees of polymerization (DP) using rMvEChi indicated the release of DP2 as main end product with order of reaction as DP6 > DP5 > DP4 > DP3. Bioassay of rMvEChi against Helicoverpa armigera displayed potent anti-feedant activity and induced mortality. In vitro antifungal activity against plant pathogenic fungi (Ustilago maydis and Bipolaris sorokiniana) exhibited significant inhibition of mycelium growth. These results suggest that MvEChi has significant potential in enzyme-based pest and pathogen management.
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Affiliation(s)
- Ravindra P Vidhate
- Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Amey J Bhide
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pune 411008, India
| | - Sushama M Gaikwad
- Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
| | - Ashok P Giri
- Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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34
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Production of low molecular weight chitosan by acid and oxidative pathways: Effect on physicochemical properties. Food Res Int 2019; 123:88-94. [DOI: 10.1016/j.foodres.2019.04.051] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 04/13/2019] [Accepted: 04/22/2019] [Indexed: 12/17/2022]
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35
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Schmitz C, Auza LG, Koberidze D, Rasche S, Fischer R, Bortesi L. Conversion of Chitin to Defined Chitosan Oligomers: Current Status and Future Prospects. Mar Drugs 2019; 17:E452. [PMID: 31374920 PMCID: PMC6723438 DOI: 10.3390/md17080452] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 07/25/2019] [Accepted: 07/26/2019] [Indexed: 02/07/2023] Open
Abstract
Chitin is an abundant polysaccharide primarily produced as an industrial waste stream during the processing of crustaceans. Despite the limited applications of chitin, there is interest from the medical, agrochemical, food and cosmetic industries because it can be converted into chitosan and partially acetylated chitosan oligomers (COS). These molecules have various useful properties, including antimicrobial and anti-inflammatory activities. The chemical production of COS is environmentally hazardous and it is difficult to control the degree of polymerization and acetylation. These issues can be addressed by using specific enzymes, particularly chitinases, chitosanases and chitin deacetylases, which yield better-defined chitosan and COS mixtures. In this review, we summarize recent chemical and enzymatic approaches for the production of chitosan and COS. We also discuss a design-of-experiments approach for process optimization that could help to enhance enzymatic processes in terms of product yield and product characteristics. This may allow the production of novel COS structures with unique functional properties to further expand the applications of these diverse bioactive molecules.
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Affiliation(s)
- Christian Schmitz
- Aachen-Maastricht Institute for Biobased Materials, Maastricht University, Brightlands Chemelot Campus, Urmonderbaan 22, 6167 RD Geleen, The Netherlands.
| | - Lilian González Auza
- Aachen-Maastricht Institute for Biobased Materials, Maastricht University, Brightlands Chemelot Campus, Urmonderbaan 22, 6167 RD Geleen, The Netherlands
| | - David Koberidze
- Aachen-Maastricht Institute for Biobased Materials, Maastricht University, Brightlands Chemelot Campus, Urmonderbaan 22, 6167 RD Geleen, The Netherlands
| | - Stefan Rasche
- Aachen-Maastricht Institute for Biobased Materials, Maastricht University, Brightlands Chemelot Campus, Urmonderbaan 22, 6167 RD Geleen, The Netherlands
- Department Plant Biotechnology, Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Forckenbeckstraße 6, 52074 Aachen, Germany
| | - Rainer Fischer
- Aachen-Maastricht Institute for Biobased Materials, Maastricht University, Brightlands Chemelot Campus, Urmonderbaan 22, 6167 RD Geleen, The Netherlands
- Indiana Bioscience Research Institute, 1345 W 16th St #300, Indianapolis, IN 46202, USA
| | - Luisa Bortesi
- Aachen-Maastricht Institute for Biobased Materials, Maastricht University, Brightlands Chemelot Campus, Urmonderbaan 22, 6167 RD Geleen, The Netherlands
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36
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A Bacillus pumilus originated β-N-acetylglucosaminidase for chitin combinatory hydrolysis and exploration of its thermostable mechanism. Int J Biol Macromol 2019; 132:1282-1289. [DOI: 10.1016/j.ijbiomac.2019.04.054] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 04/08/2019] [Accepted: 04/08/2019] [Indexed: 11/23/2022]
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37
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de Souza JF, Lessa EF, Nörnberg A, Gularte MS, Quadrado RF, Fajardo AR. Enzymatic depolymerization – An easy approach to reduce the chondroitin sulfate molecular weight. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.08.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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38
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Wang D, Li A, Han H, Liu T, Yang Q. A potent chitinase from Bacillus subtilis for the efficient bioconversion of chitin-containing wastes. Int J Biol Macromol 2018; 116:863-868. [DOI: 10.1016/j.ijbiomac.2018.05.122] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 05/04/2018] [Accepted: 05/17/2018] [Indexed: 01/04/2023]
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39
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Krolicka M, Hinz SWA, Koetsier MJ, Eggink G, van den Broek LAM, Boeriu CG. β-N-Acetylglucosaminidase MthNAG from Myceliophthora thermophila C1, a thermostable enzyme for production of N-acetylglucosamine from chitin. Appl Microbiol Biotechnol 2018; 102:7441-7454. [PMID: 29943052 PMCID: PMC6097783 DOI: 10.1007/s00253-018-9166-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 06/07/2018] [Accepted: 06/09/2018] [Indexed: 11/30/2022]
Abstract
Thermostable enzymes are a promising alternative for chemical catalysts currently used for the production of N-acetylglucosamine (GlcNAc) from chitin. In this study, a novel thermostable β-N-acetylglucosaminidase MthNAG was cloned and purified from the thermophilic fungus Myceliophthora thermophila C1. MthNAG is a protein with a molecular weight of 71 kDa as determined with MALDI-TOF-MS. MthNAG has the highest activity at 50 °C and pH 4.5. The enzyme shows high thermostability above the optimum temperature: at 55 °C (144 h, 75% activity), 60 °C (48 h, 85% activity; half-life 82 h), and 70 °C (24 h, 33% activity; half-life 18 h). MthNAG releases GlcNAc from chitin oligosaccharides (GlcNAc)2–5, p-nitrophenol derivatives of chitin oligosaccharides (GlcNAc)1–3-pNP, and the polymeric substrates swollen chitin and soluble chitosan. The highest activity was detected towards (GlcNAc)2. MthNAG released GlcNAc from the non-reducing end of the substrate. We found that MthNAG and Chitinase Chi1 from M. thermophila C1 synergistically degraded swollen chitin and released GlcNAc in concentration of approximately 130 times higher than when only MthNAG was used. Therefore, chitinase Chi1 and MthNAG have great potential in the industrial production of GlcNAc.
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Affiliation(s)
- Malgorzata Krolicka
- Department of Bioprocess Engineering, Wageningen University, Wageningen, The Netherlands
| | | | | | - Gerrit Eggink
- Department of Bioprocess Engineering, Wageningen University, Wageningen, The Netherlands.,Wageningen Food & Biobased Research, Wageningen, The Netherlands
| | | | - Carmen G Boeriu
- Wageningen Food & Biobased Research, Wageningen, The Netherlands.
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Water-soluble chitosan derivatives and pH-responsive hydrogels by selective C-6 oxidation mediated by TEMPO-laccase redox system. Carbohydr Polym 2018; 186:299-309. [DOI: 10.1016/j.carbpol.2018.01.050] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Revised: 01/05/2018] [Accepted: 01/16/2018] [Indexed: 12/15/2022]
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