1
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Pham TT, Nguyen TD, Nguyen TT, Pham MN, Nguyen PT, Nguyen TUT, Huynh TTN, Nguyen HT. Rhizosphere bacterial exopolysaccharides: composition, biosynthesis, and their potential applications. Arch Microbiol 2024; 206:388. [PMID: 39196410 DOI: 10.1007/s00203-024-04113-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Revised: 08/16/2024] [Accepted: 08/17/2024] [Indexed: 08/29/2024]
Abstract
Bacterial exopolysaccharides (EPS) are biopolymers of carbohydrates, often released from cells into the extracellular environment. Due to their distinctive physicochemical properties, biocompatibility, biodegradability, and non-toxicity, EPS finds applications in various industrial sectors. However, the need for alternative EPS has grown over the past few decades as lactic acid bacteria's (LAB) low-yield EPS is unable to meet the demand. In this case, rhizosphere bacteria with the diverse communities in soil leading to variations in composition and structure, are recognized as a potential source of EPS applicable in various industries. In addition, media components and cultivation conditions have an impact on EPS production, which ultimately affects the quantity, structure, and biological functions of the EPS. Therefore, scientists are currently working on manipulating bacterial EPS by developing cultures and applying abiotic and biotic stresses, so that better production of exopolysaccharides can be attained. This review highlights the composition, biosynthesis, and effects of environmental factors on EPS production along with the potential applications in different fields of industry. Ultimately, an overview of potential future paths and tactics for improving EPS implementation and commercialization is pointed out.
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Affiliation(s)
| | | | - Thi-Tho Nguyen
- Hutech Institute of Applied Science, HUTECH University, Ho Chi Minh City, Vietnam.
| | - Minh-Nhut Pham
- Hutech Institute of Applied Science, HUTECH University, Ho Chi Minh City, Vietnam
| | - Phu-Tho Nguyen
- An Giang University, An Giang, Vietnam
- Vietnam National University, Ho Chi Minh City, Vietnam
| | - To-Uyen Thi Nguyen
- Graduate University of Sciences and Technology, Vietnam Academy of Science and Technology, Ha Noi, Vietnam
| | | | - Huu-Thanh Nguyen
- An Giang University, An Giang, Vietnam.
- Vietnam National University, Ho Chi Minh City, Vietnam.
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2
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Fang X, Li S, Kang W, Lin C, Wang J, Ke Q, Wang C, Wang Q, Chen Q. Enhanced algin oligosaccharide production through selective breeding and optimization of growth and degradation conditions in Cobetia sp. cqz5-12-M1. Sci Rep 2024; 14:19550. [PMID: 39174820 PMCID: PMC11341896 DOI: 10.1038/s41598-024-70472-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Accepted: 08/16/2024] [Indexed: 08/24/2024] Open
Abstract
Algin oligosaccharides have been applied in diverse industries and could be innovative synthesized by alginate-degrading bacteria. For enhance the alginate degradation efficiency to produce more algin oligosaccharides, a mutant strain (Cobetia sp. cqz5-12-M1) was obtained through the complex mutagenesis using UV and the alkylating agent 1-methyl-3-nitro-1-nitrosoguanidine. The enzyme activity of the fermentation supernatant of mutant exhibited a significant 38.09% (53.98 ± 0.69 U/mL) increase, and its optimal growth conditions were determined as: 5 g/L sodium alginate, 5 g/L yeast powder, 30 g/L NaCl, 2 g/L K2HPO4, 2 g/L KH2PO4, 1 g/L MgSO4•7H2O, 0.01 g/L FeSO4•7H2O, pH 6.5, and 34 ℃. Moreover, its optimal degradation conditions were identified as: 5 g/L sodium alginate, 5 g/L yeast powder, 30 g/L NaCl, 2 g/L K2HPO4, 2 g/L KH2PO4, 1 g/L MgSO4•7H2O, 0.01 g/L FeSO4•7H2O, pH 6.5, 31 ℃ and 72 h, yielding an enzyme activity of 120.98 ± 1.40 U/mL in the fermentation supernatant. Conclusive experiments on reagent tolerance revealed the growth of the mutant strain was significantly inhibited by 3% hydrogen peroxide, 5% carbolic acid, and 10 mg/mL gatifloxacin. Additionally, the alginate degradation capacity of mutant strain was highly significantly inhibited by 75% ethanol and all tested antibiotics.
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Affiliation(s)
- Xinru Fang
- College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, People's Republic of China
| | - Shuang Li
- College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, People's Republic of China
| | - Weixiao Kang
- College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, People's Republic of China
| | - Chaoyou Lin
- College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, People's Republic of China
| | - Jiangmei Wang
- College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, People's Republic of China
| | - Qiang Ke
- College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, People's Republic of China
| | - Chuanhua Wang
- College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, People's Republic of China
| | - Qi Wang
- College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, People's Republic of China
| | - Qiongzhen Chen
- College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, People's Republic of China.
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3
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Hasan MM, Ahmad A, Akter MZ, Choi YJ, Yi HG. Bioinks for bioprinting using plant-derived biomaterials. Biofabrication 2024; 16:042004. [PMID: 39079554 DOI: 10.1088/1758-5090/ad6932] [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: 09/26/2023] [Accepted: 07/30/2024] [Indexed: 08/23/2024]
Abstract
Three-dimensional (3D) bioprinting has revolutionized tissue engineering by enabling the fabrication of complex and functional human tissues and organs. An essential component of successful 3D bioprinting is the selection of an appropriate bioink capable of supporting cell proliferation and viability. Plant-derived biomaterials, because of their abundance, biocompatibility, and tunable properties, hold promise as bioink sources, thus offering advantages over animal-derived biomaterials, which carry immunogenic concerns. This comprehensive review explores and analyzes the potential of plant-derived biomaterials as bioinks for 3D bioprinting of human tissues. Modification and optimization of these materials to enhance printability and biological functionality are discussed. Furthermore, cancer research and drug testing applications of the use of plant-based biomaterials in bioprinting various human tissues such as bone, cartilage, skin, and vascular tissues are described. Challenges and limitations, including mechanical integrity, cell viability, resolution, and regulatory concerns, along with potential strategies to overcome them, are discussed. Additionally, this review provides insights into the potential use of plant-based decellularized ECM (dECM) as bioinks, future prospects, and emerging trends in the use of plant-derived biomaterials for 3D bioprinting applications. The potential of plant-derived biomaterials as bioinks for 3D bioprinting of human tissues is highlighted herein. However, further research is necessary to optimize their processing, standardize their properties, and evaluate their long-termin vivoperformance. Continued advancements in plant-derived biomaterials have the potential to revolutionize tissue engineering and facilitate the development of functional and regenerative therapies for diverse clinical applications.
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Affiliation(s)
- Md Mehedee Hasan
- Department of Convergence Biosystems Engineering, College of Agriculture and Life Sciences (CALS), Chonnam National University, Gwangju 61186, Republic of Korea
| | - Ashfaq Ahmad
- Department of Convergence Biosystems Engineering, College of Agriculture and Life Sciences (CALS), Chonnam National University, Gwangju 61186, Republic of Korea
- Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, Republic of Korea
| | - Mst Zobaida Akter
- Department of Convergence Biosystems Engineering, College of Agriculture and Life Sciences (CALS), Chonnam National University, Gwangju 61186, Republic of Korea
- Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, Republic of Korea
| | - Yeong-Jin Choi
- Advanced Bio and Healthcare Materials Research Division, Korea Institute of Materials Science (KIMS), Changwon 51508, Republic of Korea
| | - Hee-Gyeong Yi
- Department of Convergence Biosystems Engineering, College of Agriculture and Life Sciences (CALS), Chonnam National University, Gwangju 61186, Republic of Korea
- Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju, Republic of Korea
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4
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Wang K, Wang J, Chen L, Hou J, Lu F, Liu Y. Effect of sanxan as novel natural gel modifier on the physicochemical and structural properties of microbial transglutaminase-induced mung bean protein isolate gels. Food Chem 2024; 449:139147. [PMID: 38581784 DOI: 10.1016/j.foodchem.2024.139147] [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: 01/04/2024] [Revised: 03/04/2024] [Accepted: 03/24/2024] [Indexed: 04/08/2024]
Abstract
Mung bean protein isolate (MBPI) has attracted much attention as an emerging plant protein. However, its application was limited by the poor gelling characteristics. Thus, the effect of sanxan (SAN) on the gelling behavior of MBPI under microbial transglutaminase (MTG)-induced condition were explored in this study. The results demonstrated that SAN remarkably enhanced the storage modulus, water-holding capacity and mechanical strength. Furthermore, SAN changed the microstructure of MBPI gels to become more dense and ordered. The results of zeta potential indicated the electrostatic interactions existed between SAN and MBPI. The incorporation of SAN altered the secondary structure and molecular conformation of MBPI, and hydrophobic interactions and hydrogen bonding were necessary to maintain the network structure. Additionally, in vitro digestion simulation results exhibited that SAN remarkably improved the capability of MBPI gels to deliver bioactive substances. These findings provided a practical strategy to use natural SAN to improve legume protein gels.
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Affiliation(s)
- Kangning Wang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Jiahui Wang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Lei Chen
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Jiayi Hou
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Fuping Lu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China.
| | - Yihan Liu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Laboratory of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, PR China.
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5
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Patra P, Upadhyay TK, Alshammari N, Saeed M, Kesari KK. Alginate-Chitosan Biodegradable and Biocompatible Based Hydrogel for Breast Cancer Immunotherapy and Diagnosis: A Comprehensive Review. ACS APPLIED BIO MATERIALS 2024; 7:3515-3534. [PMID: 38787337 PMCID: PMC11190989 DOI: 10.1021/acsabm.3c00984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/21/2023] [Accepted: 12/21/2023] [Indexed: 05/25/2024]
Abstract
Breast cancer is the most common type of cancer and the second leading cause of cancer-related mortality in females. There are many side effects due to chemotherapy and traditional surgery, like fatigue, loss of appetite, skin irritation, and drug resistance to cancer cells. Immunotherapy has become a hopeful approach toward cancer treatment, generating long-lasting immune responses in malignant tumor patients. Recently, hydrogel has received more attention toward cancer therapy due to its specific characteristics, such as decreased toxicity, fewer side effects, and better biocompatibility drug delivery to the particular tumor location. Researchers globally reported various investigations on hydrogel research for tumor diagnosis. The hydrogel-based multilayer platform with controlled nanostructure has received more attention for its antitumor effect. Chitosan and alginate play a leading role in the formation of the cross-link in a hydrogel. Also, they help in the stability of the hydrogel. This review discusses the properties, preparation, biocompatibility, and bioavailability of various research and clinical approaches of the multipolymer hydrogel made of alginate and chitosan for breast cancer treatment. With a focus on cases of breast cancer and the recovery rate, there is a need to find out the role of hydrogel in drug delivery for breast cancer treatment.
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Affiliation(s)
- Pratikshya Patra
- Department
of Biotechnology, Parul Institute of Applied Sciences and Animal Cell
Culture and Immunobiochemistry Lab, Research and Development Cell, Parul University, Vadodara, Gujarat 391760, India
| | - Tarun Kumar Upadhyay
- Department
of Biotechnology, Parul Institute of Applied Sciences and Animal Cell
Culture and Immunobiochemistry Lab, Research and Development Cell, Parul University, Vadodara, Gujarat 391760, India
| | - Nawaf Alshammari
- Department
of Biology, College of Science, University
of Hail, Hail 53962, Saudi Arabia
| | - Mohd Saeed
- Department
of Biology, College of Science, University
of Hail, Hail 53962, Saudi Arabia
| | - Kavindra Kumar Kesari
- Department
of Applied Physics, School of Science, Aalto
University, Espoo FI-00076, Finland
- Centre
of Research Impact and Outcome, Chitkara
University, Rajpura 140417, Punjab, India
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6
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Zhang M, Han F, Duan X, Zheng D, Cui Q, Liao W. Advances of biological macromolecules hemostatic materials: A review. Int J Biol Macromol 2024; 269:131772. [PMID: 38670176 DOI: 10.1016/j.ijbiomac.2024.131772] [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: 01/20/2024] [Revised: 04/02/2024] [Accepted: 04/20/2024] [Indexed: 04/28/2024]
Abstract
Achieving hemostasis is a necessary intervention to rapidly and effectively control bleeding. Conventional hemostatic materials currently used in clinical practice may aggravate the damage at the bleeding site due to factors such as poor adhesion and poor adaptation. Compared to most traditional hemostatic materials, polymer-based hemostatic materials have better biocompatibility and offer several advantages. They provide a more effective method of stopping bleeding and avoiding additional damage to the body in case of excessive blood loss. Various hemostatic materials with greater functionality have been developed in recent years for different organs using diverse design strategies. This article reviews the latest advances in the development of polymeric hemostatic materials. We introduce the coagulation cascade reaction after bleeding and then discuss the hemostatic mechanisms and advantages and disadvantages of various polymer materials, including natural, synthetic, and composite polymer hemostatic materials. We further focus on the design strategies, properties, and characterization of hemostatic materials, along with their applications in different organs. Finally, challenges and prospects for the application of hemostatic polymeric materials are summarized and discussed. We believe that this review can provide a reference for related research on hemostatic materials, contributing to the further development of polymer hemostatic materials.
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Affiliation(s)
- Mengyang Zhang
- Clinical Medical College/Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi, China; Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, China
| | - Feng Han
- Clinical Medical College/Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi, China; Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, China
| | - Xunxin Duan
- Clinical Medical College/Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi, China; Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, China
| | - Dongxi Zheng
- School of Mechanical and Intelligent Manufacturing, Jiujiang University, Jiujiang, Jiangxi, China
| | - Qiuyan Cui
- The Second Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi, China
| | - Weifang Liao
- Clinical Medical College/Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi, China; Jiujiang Clinical Precision Medicine Research Center, Jiujiang, Jiangxi, China.
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7
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Hasan MM, Swapon AR, Dipti TI, Choi YJ, Yi HG. Plant-Based Decellularization: A Novel Approach for Perfusion-Compatible Tissue Engineering Structures. J Microbiol Biotechnol 2024; 34:1003-1016. [PMID: 38563106 PMCID: PMC11180914 DOI: 10.4014/jmb.2401.01024] [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: 01/30/2024] [Revised: 02/13/2024] [Accepted: 02/24/2024] [Indexed: 04/04/2024]
Abstract
This study explores the potential of plant-based decellularization in regenerative medicine, a pivotal development in tissue engineering focusing on scaffold development, modification, and vascularization. Plant decellularization involves removing cellular components from plant structures, offering an eco-friendly and cost-effective alternative to traditional scaffold materials. The use of plant-derived polymers is critical, presenting both benefits and challenges, notably in mechanical properties. Integration of plant vascular networks represents a significant bioengineering breakthrough, aligning with natural design principles. The paper provides an in-depth analysis of development protocols, scaffold fabrication considerations, and illustrative case studies showcasing plant-based decellularization applications. This technique is transformative, offering sustainable scaffold design solutions with readily available plant materials capable of forming perfusable structures. Ongoing research aims to refine protocols, assess long-term implications, and adapt the process for clinical use, indicating a path toward widespread adoption. Plant-based decellularization holds promise for regenerative medicine, bridging biological sciences with engineering through eco-friendly approaches. Future perspectives include protocol optimization, understanding long-term impacts, clinical scalability, addressing mechanical limitations, fostering collaboration, exploring new research areas, and enhancing education. Collectively, these efforts envision a regenerative future where nature and scientific innovation converge to create sustainable solutions, offering hope for generations to come.
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Affiliation(s)
- Md Mehedee Hasan
- Department of Convergence Biosystems Engineering, College of Agriculture and Life Sciences (CALS), Chonnam National University, Gwangju 61186, Republic of Korea
| | - Ashikur Rahman Swapon
- Department of Convergence Biosystems Engineering, College of Agriculture and Life Sciences (CALS), Chonnam National University, Gwangju 61186, Republic of Korea
- Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Republic of Korea
| | - Tazrin Islam Dipti
- Department of Convergence Biosystems Engineering, College of Agriculture and Life Sciences (CALS), Chonnam National University, Gwangju 61186, Republic of Korea
- Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Republic of Korea
| | - Yeong-Jin Choi
- Department of Advanced Biomaterials Research, Korea Institute of Materials Science (KIMS), Changwon 51508, Republic of Korea
| | - Hee-Gyeong Yi
- Department of Convergence Biosystems Engineering, College of Agriculture and Life Sciences (CALS), Chonnam National University, Gwangju 61186, Republic of Korea
- Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Republic of Korea
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Tiwari ON, Bobby MN, Kondi V, Halder G, Kargarzadeh H, Ikbal AMA, Bhunia B, Thomas S, Efferth T, Chattopadhyay D, Palit P. Comprehensive review on recent trends and perspectives of natural exo-polysaccharides: Pioneering nano-biotechnological tools. Int J Biol Macromol 2024; 265:130747. [PMID: 38479657 DOI: 10.1016/j.ijbiomac.2024.130747] [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: 09/03/2023] [Revised: 02/22/2024] [Accepted: 03/07/2024] [Indexed: 04/18/2024]
Abstract
Exopolysaccharides (EPSs), originating from various microbes, and mushrooms, excel in their conventional role in bioremediation to showcase diverse applications emphasizing nanobiotechnology including nano-drug carriers, nano-excipients, medication and/or cell encapsulation, gene delivery, tissue engineering, diagnostics, and associated treatments. Acknowledged for contributions to adsorption, nutrition, and biomedicine, EPSs are emerging as appealing alternatives to traditional polymers, for biodegradability and biocompatibility. This article shifts away from the conventional utility to delve deeply into the expansive landscape of EPS applications, particularly highlighting their integration into cutting-edge nanobiotechnological methods. Exploring EPS synthesis, extraction, composition, and properties, the discussion emphasizes their structural diversity with molecular weight and heteropolymer compositions. Their role as raw materials for value-added products takes center stage, with critical insights into recent applications in nanobiotechnology. The multifaceted potential, biological relevance, and commercial applicability of EPSs in contemporary research and industry align with the nanotechnological advancements coupled with biotechnological nano-cleansing agents are highlighted. EPS-based nanostructures for biological applications have a bright future ahead of them. Providing crucial information for present and future practices, this review sheds light on how eco-friendly EPSs derived from microbial biomass of terrestrial and aquatic environments can be used to better understand contemporary nanobiotechnology for the benefit of society.
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Affiliation(s)
- Onkar Nath Tiwari
- Centre for Conservation and Utilization of Blue Green Algae, Division of Microbiology, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India.
| | - Md Nazneen Bobby
- Department of Biotechnology, Vignan's Foundation for Science, Technology & Research, Vadlamudi, Andhra Pradesh 522213, India
| | - Vanitha Kondi
- Department of Pharmaceutics, Vishnu Institute of Pharmaceutical Education and Research, Narsapur, Medak 502313, Telangana, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, West Bengal 713209, India
| | - Hanieh Kargarzadeh
- Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Seinkiewicza 112, 90-363 Lodz, Poland
| | - Abu Md Ashif Ikbal
- Department of Pharmaceutical Sciences, Drug Discovery Research Laboratory, Assam University, Silchar 788011, India
| | - Biswanath Bhunia
- Department of Bio Engineering, National Institute of Technology Agartala, Jirania 799046, India
| | - Sabu Thomas
- School of Nanoscience and Nanotechnology, Mahatma Gandhi University, Priyadarshini Hills, Athirampuzha, Kerala, 686560, India; Department of Chemical Sciences, University of Johannesburg, P.O. Box, 17011, Doornfontein, 2028, Johannesburg, South Africa
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, University of Mainz, Staudinger Weg 5, 55128 Mainz, Germany
| | - Debprasad Chattopadhyay
- ICMR-National Institute of Traditional Medicine, Nehru Nagar, Belagavi 590010, India; School of Life Sciences, Swami Vivekananda University, Barrackpore, Kolkata 700102, India
| | - Partha Palit
- Department of Pharmaceutical Sciences, Drug Discovery Research Laboratory, Assam University, Silchar 788011, India.
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Akshaya S, Nathanael AJ. A Review on Hydrophobically Associated Alginates: Approaches and Applications. ACS OMEGA 2024; 9:4246-4262. [PMID: 38313527 PMCID: PMC10831841 DOI: 10.1021/acsomega.3c08619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/12/2023] [Accepted: 12/13/2023] [Indexed: 02/06/2024]
Abstract
Alginates are linear anionic polysaccharides, which are well-known for their biocompatible, nontoxic, and biodegradable nature. The polymer consists of alternating units of β-(1 → 4)-linked D-mannuronic acid (M) and α-(1 → 4)-linked L-guluronic acid (G) that have hydroxyl and carboxyl groups as the main functional groups. As a large number of free carboxyl and hydroxyl groups are present in the polymeric chain, the polymer is predominantly hydrophilic. The food and pharmaceutical industries have been the most extensive utilizers of alginates to produce gelling and thickening agents. However, by imparting hydrophobicity to alginates, the range of applications can be widened. Although there are reviews on alginate and its chemical modifications, reviews focusing on hydrophobically associated alginates have not been presented. The commonly used chemical modifications to incorporate hydrophobicity include esterification, Ugi reaction, reductive amination, and graft copolymerization. The hydrophobically modified alginates play an important role in delivery of hydrophobic drugs and pesticides as the modification increases the affinity toward hydrophobic components and helps in their sustained release. Due to their nontoxic and edible nature, they find use in the food industry as emulsion stabilizer to stabilize oil-in-water emulsions and to improve creaming ability. Further, alginate-based materials such as membranes, aerogels, and films are hydrophobically modified to improve their functionality and applicability to water treatment and food packaging. This Review aims to highlight the important chemical modifications and methods that are done to impart hydrophobicity to alginate, and the applications of hydrophobically modified alginates in different sectors ranging from drug delivery to food packaging are discussed.
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Affiliation(s)
- Shenbagaraman Akshaya
- Centre
for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India
- School
of Advanced Sciences (SAS), Vellore Institute
of Technology (VIT), Vellore 632014, Tamil Nadu, India
| | - Arputharaj Joseph Nathanael
- Centre
for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India
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10
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Xiao WN, Nunn GM, Fufeng AB, Belu N, Brookman RK, Halim A, Krysmanski EC, Cameron RK. Exploring Pseudomonas syringae pv. tomato biofilm-like aggregate formation in susceptible and PTI-responding Arabidopsis thaliana. MOLECULAR PLANT PATHOLOGY 2024; 25:e13403. [PMID: 37988240 PMCID: PMC10799205 DOI: 10.1111/mpp.13403] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 10/06/2023] [Indexed: 11/23/2023]
Abstract
Bacterial biofilm-like aggregates have been observed in plants, but their role in pathogenicity is underinvestigated. In the present study, we observed that extracellular DNA and polysaccharides colocalized with green fluorescent protein (GFP)-expressing Pseudomonas syringae pv. tomato (Pst) aggregates in Arabidopsis leaves, suggesting that Pst aggregates are biofilms. GFP-expressing Pst, Pst ΔalgU ΔmucAB (Pst algU mutant), and Pst ΔalgD ΔalgU ΔmucAB (Pst algU algD mutant) were examined to explore the roles of (1) alginate, a potential biofilm component; (2) Pst AlgU, thought to regulate alginate biosynthesis and some type III secretion system effector genes; and (3) intercellular salicylic acid (SA) accumulation during pathogen-associated molecular pattern-triggered immunity (PTI). Pst formed extensive aggregates in susceptible plants, whereas aggregate numbers and size were reduced in Pst algU and Pst algD algU mutants, and both multiplied poorly in planta, suggesting that aggregate formation contributes to Pst success in planta. However, in SA-deficient sid2-2 plants, Pst algD algU mutant multiplication and aggregate formation were partially restored, suggesting plant-produced SA contributes to suppression of Pst aggregate formation. Pst algD algU mutants formed fewer and smaller aggregates than Pst algU mutants, suggesting both AlgU and AlgD contribute to Pst aggregate formation. Col-0 plants accumulated low levels of SA in response to Pst and both mutants (Pst algU and Pst algD algU), suggesting the regulatory functions of AlgU are not involved in suppressing SA-mediated plant defence. Plant PTI was associated with highly reduced Pst aggregate formation and accumulation of intercellular SA in flg22-induced PTI-responding wild-type Col-0, but not in PTI-incompetent fls2, suggesting intercellular SA accumulation by Arabidopsis contributes to suppression of Pst biofilm-like aggregate formation during PTI.
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Affiliation(s)
- Wantao N. Xiao
- Department of BiologyMcMaster UniversityHamiltonOntarioCanada
| | - Garrett M. Nunn
- Department of BiologyMcMaster UniversityHamiltonOntarioCanada
| | | | - Natalie Belu
- Department of BiologyMcMaster UniversityHamiltonOntarioCanada
| | | | - Abdul Halim
- Department of BiologyMcMaster UniversityHamiltonOntarioCanada
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Yerramathi BB, Muniraj BA, Kola M, Konidala KK, Arthala PK, Sharma TSK. Alginate biopolymeric structures: Versatile carriers for bioactive compounds in functional foods and nutraceutical formulations: A review. Int J Biol Macromol 2023; 253:127067. [PMID: 37748595 DOI: 10.1016/j.ijbiomac.2023.127067] [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: 06/19/2023] [Revised: 09/22/2023] [Accepted: 09/22/2023] [Indexed: 09/27/2023]
Abstract
Alginate-based biopolymer products have gained attention for protecting and delivering bioactive components in nutraceuticals and functional foods. These naturally abundant anionic, unbranched, and linear copolymers are also produced commercially by microorganisms. Alone or in combination with other copolymers, they efficiently transport bioactive molecules in food and nutraceutical products. This review aims to provide an in-depth understanding of alginate-based products and structures, emphasizing their role in delivering functional molecules in various formulations and delivery systems. These include edible coatings/films, gels/emulsions, beads/droplets, microspheres/particles, and engineered nanostructures where alginates have been used potentially. By exploring these applications, readers gain insights into the benefits of these products. Because, alginate-based biopolymer products have shown promise in delivering bioactive compounds like vitamin C, vitamin D3, curcumin, β-carotene, resveratrol, folic acid, gliadins, caffeic acid, betanin, limonoids, quercetin, several polyphenols and essential oils, etc., which are chief contributors to treating specific/overall nutritional and chronic metabolic disorders. So, this review summarizes the potential of alginate-based structures/products in various forms for delivering a wide range of functional food ingredients and nutraceutical components that offer promising perspectives for future investigations.
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Affiliation(s)
- Babu Bhagath Yerramathi
- Food Technology Division, College of Sciences, Sri Venkateswara University, Tirupati 517502, Andhra Pradesh, India
| | - Beulah Annem Muniraj
- Integrated Food Technology, Sri Padmavathi Mahila Visvavidyalayam, Tirupati 517502, Andhra Pradesh, India
| | - Manjula Kola
- Food Technology Division, College of Sciences, Sri Venkateswara University, Tirupati 517502, Andhra Pradesh, India.
| | - Kranthi Kumar Konidala
- Bioinformatics, Department of Zoology, College of Sciences, Sri Venkateswara University, Tirupati 517502, Andhra Pradesh, India
| | - Praveen Kumar Arthala
- Department of Microbiology, Vikrama Simhapuri University, Nellore, Andhra Pradesh, India
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12
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Long J, Zhang W, Zhao M, Ruan CQ. The reduce of water vapor permeability of polysaccharide-based films in food packaging: A comprehensive review. Carbohydr Polym 2023; 321:121267. [PMID: 37739519 DOI: 10.1016/j.carbpol.2023.121267] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/04/2023] [Accepted: 08/05/2023] [Indexed: 09/24/2023]
Abstract
Polysaccharide-based films are favored in the food packaging industry because of their advantages of green and safe characters, as well as natural degradability, but due to the structural defects of polysaccharides, they also have the disadvantages of high water vapor permeability (WVP), which greatly limits their application in the food packaging industry. To break the limitation, numerous methods, e.g., physical and/or chemical methods, have been employed. This review mainly elaborates the up-to-date research status of the application of polysaccharide-based films (PBFs) in food packaging area, including various films from cellulose and its derivatives, starch, chitosan, pectin, alginate, pullulan and so on, while the methods of reducing the WVP of PBFs, mainly divided into physical and chemical methods, are summarized, as well as the discussions about the existing problems and development trends of PBFs. In the end, suggestions about the future development of WVP of PBFs are presented.
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Affiliation(s)
- Jiyang Long
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Wenyu Zhang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Minzi Zhao
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Chang-Qing Ruan
- College of Food Science, Southwest University, Chongqing 400715, China; Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715, China; Research Center of Food Storage & Logistics, Southwest University, Chongqing 400715, China.
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13
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Mormile C, Opriș O, Bellucci S, Lung I, Kacso I, Turza A, La Pietra M, Vacacela Gomez C, Stegarescu A, Soran ML. Enhanced Stability of Dopamine Delivery via Hydrogel with Integrated Graphene. J Funct Biomater 2023; 14:558. [PMID: 38132812 PMCID: PMC10744308 DOI: 10.3390/jfb14120558] [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: 10/31/2023] [Revised: 11/22/2023] [Accepted: 11/22/2023] [Indexed: 12/23/2023] Open
Abstract
The synthesis of graphene-based materials for drug delivery represents an area of active research, and the use of graphene in drug delivery systems is promising due to its unique properties. Thus, in the present work, we discuss the potential of few-layer graphene in a hydrogel system for dopamine release. The hydrogels are frequently used for these systems for their special physico-chemical properties, which can ensure that the drug is effectively released in time. However, the release from such structures is mostly determined by diffusion alone, and to overcome this restriction, the hydrogel can be "improved" with nanoscale fillers like graphene. The release kinetics of the composite obtained were analyzed to better understand how the use of graphene, instead of the more common graphene oxide (GO) and reduced graphene oxide (rGO), affects the characteristics of the system. Thus, the systems developed in this study consist of three main components: biopolymer, graphene, and dopamine. The hydrogels with graphene were prepared by combining two different solutions, one with polyacrylic acid and agarose and one with graphene prepared by the exfoliation method with microwave irradiation. The drug delivery systems were developed by adding dopamine to the obtained hydrogels. After 24 h of release, the presence of dopamine was observed, demonstrating that the system developed can slow down the drug's degradation because of the interactions with the graphene nanoplates and the polymer matrix.
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Affiliation(s)
- Cristina Mormile
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania; (C.M.); (O.O.); (I.K.); (A.T.); (A.S.); (M.-L.S.)
- Faculty of Chemistry, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy
- INFN—National Laboratories of Frascati, Via Enrico Fermi 54, 00044 Frascati, Italy; (M.L.P.); (C.V.G.)
| | - Ocsana Opriș
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania; (C.M.); (O.O.); (I.K.); (A.T.); (A.S.); (M.-L.S.)
| | - Stefano Bellucci
- INFN—National Laboratories of Frascati, Via Enrico Fermi 54, 00044 Frascati, Italy; (M.L.P.); (C.V.G.)
| | - Ildiko Lung
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania; (C.M.); (O.O.); (I.K.); (A.T.); (A.S.); (M.-L.S.)
| | - Irina Kacso
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania; (C.M.); (O.O.); (I.K.); (A.T.); (A.S.); (M.-L.S.)
| | - Alexandru Turza
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania; (C.M.); (O.O.); (I.K.); (A.T.); (A.S.); (M.-L.S.)
| | - Matteo La Pietra
- INFN—National Laboratories of Frascati, Via Enrico Fermi 54, 00044 Frascati, Italy; (M.L.P.); (C.V.G.)
- Department of Information Engineering, Polytechnic University of Marche, Via Brecce Bianche 12, 60131 Ancona, Italy
| | - Cristian Vacacela Gomez
- INFN—National Laboratories of Frascati, Via Enrico Fermi 54, 00044 Frascati, Italy; (M.L.P.); (C.V.G.)
| | - Adina Stegarescu
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania; (C.M.); (O.O.); (I.K.); (A.T.); (A.S.); (M.-L.S.)
| | - Maria-Loredana Soran
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat, 400293 Cluj-Napoca, Romania; (C.M.); (O.O.); (I.K.); (A.T.); (A.S.); (M.-L.S.)
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14
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Liang Q, Huang Y, Liu Z, Xiao M, Ren X, Liu T, Li H, Yu D, Wang Y, Zhu C. A Recombinant Alginate Lyase Algt1 with Potential in Preparing Alginate Oligosaccharides at High-Concentration Substrate. Foods 2023; 12:4039. [PMID: 37959158 PMCID: PMC10649253 DOI: 10.3390/foods12214039] [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: 09/20/2023] [Revised: 09/30/2023] [Accepted: 10/18/2023] [Indexed: 11/15/2023] Open
Abstract
Alginate lyase has been demonstrated as an efficient tool in the preparation of functional oligosaccharides (AOS) from alginate. The high viscosity resulting from the high concentration of alginate poses a limiting factor affecting enzymatic hydrolysis, particularly in the preparation of the fragments with low degrees of polymerization (DP). Herein, a PL7 family alginate lyase Algt from Microbulbifer thermotolerans DSM 19189 was developed and expressed in Pichia pastoris. The recombinant alginate lyase Algt1 was constructed by adopting the structural domain truncation strategy, and the enzymatic activity towards the alginate was improved from 53.9 U/mg to 212.86 U/mg compared to Algt. Algt1 was stable when incubated at 40 °C for 90 min, remaining with approximately 80.9% of initial activity. The analyses of thin-layer chromatography (TLC), fast protein liquid chromatography (FPLC), and electrospray ionization mass spectrometry (ESI-MS) demonstrated that the DP of the minimum identifiable substrate of Algt1 was five, and the main hydrolysis products were AOS with DP 1-4. Additionally, 1-L the enzymatic hydrolysis system demonstrated that Algt1 exhibited an effective degradation at alginate concentrations of up to 20%, with the resulting products of monosaccharides (14.02%), disaccharides (21.10%), trisaccharides (37.08%), and tetrasaccharides (27.80%). These superior properties of Algt1 make it possible to efficiently generate functional AOS with low DP in industrial processing.
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Affiliation(s)
- Qingping Liang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China; (Q.L.); (Y.H.); (M.X.); (X.R.)
| | - Youtao Huang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China; (Q.L.); (Y.H.); (M.X.); (X.R.)
| | - Zhemin Liu
- Fundamental Science R&D Center of Vazyme Biotech Co., Ltd., Nanjing 210000, China;
| | - Mengshi Xiao
- College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China; (Q.L.); (Y.H.); (M.X.); (X.R.)
| | - Xinmiao Ren
- College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China; (Q.L.); (Y.H.); (M.X.); (X.R.)
| | - Tianhong Liu
- Marine Science Research Institute of Shandong Province, Qingdao 266003, China; (T.L.); (H.L.)
- Municipal Engineering Research Center of Aquatic Biological Quality Evaluation and Application, Qingdao 266104, China
| | - Hongyan Li
- Marine Science Research Institute of Shandong Province, Qingdao 266003, China; (T.L.); (H.L.)
- Municipal Engineering Research Center of Aquatic Biological Quality Evaluation and Application, Qingdao 266104, China
| | - Dongxing Yu
- SOHAO FD-TECH Co., Ltd., Qingdao 266700, China;
| | - Ying Wang
- Marine Science Research Institute of Shandong Province, Qingdao 266003, China; (T.L.); (H.L.)
- Municipal Engineering Research Center of Aquatic Biological Quality Evaluation and Application, Qingdao 266104, China
| | - Changliang Zhu
- College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China; (Q.L.); (Y.H.); (M.X.); (X.R.)
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15
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Giannakas AE, Zaharioudakis K, Kollia E, Kopsacheili A, Avdylaj L, Georgopoulos S, Leontiou A, Karabagias VK, Kehayias G, Ragkava E, Proestos C, Salmas CE. The Development of a Novel Sodium Alginate-Based Edible Active Hydrogel Coating and Its Application on Traditional Greek Spreadable Cheese. Gels 2023; 9:807. [PMID: 37888380 PMCID: PMC10606390 DOI: 10.3390/gels9100807] [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: 09/10/2023] [Revised: 10/02/2023] [Accepted: 10/05/2023] [Indexed: 10/28/2023] Open
Abstract
The necessity of reducing the greenhouse effect by decreasing the carbon dioxide fingerprint directed the food packaging technology to use biobased raw materials. Alginates, which are derived from brown algae species, are one of the most promising biobased biopolymers for the development of edible active coatings capable of protecting food from oxidation/bacterial spoilage. In this study, sodium alginate, which was plasticized with glycerol and mixed with a biobased thymol/natural halloysite nanohybrid, was used to develop novel edible active coatings. Nanocomposite coatings were also developed in this project by mixing pure halloysite with sodium alginate/glycerol matrix and were used as reference material for comparison reasons. Instrumental analysis indicated a higher compatibility of a thymol/halloysite nanohybrid with a sodium alginate/glycerol matrix compared to pure halloysite with a sodium alginate/glycerol matrix. Increased compatibility resulted in improved tensile properties, water/oxygen barrier properties, and total antioxidant activity. These edible active coatings were applied to traditional Greek spread cheese and showed a reduction in the mesophilic microbial population over one log10 unit (cfu/g) compared to uncoated cheese. Moreover, the reduction in the mesophilic microbial population increased with the increase in halloysite and thymol content, indicating such sodium alginate/glycerol/thymol/halloysite hydrogels as promising edible active coatings for dairy products.
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Affiliation(s)
- Aris E. Giannakas
- Department of Food Science and Technology, University of Patras, 30100 Agrinio, Greece; (K.Z.); (S.G.); (A.L.); (V.K.K.); (G.K.); (E.R.)
| | - Konstantinos Zaharioudakis
- Department of Food Science and Technology, University of Patras, 30100 Agrinio, Greece; (K.Z.); (S.G.); (A.L.); (V.K.K.); (G.K.); (E.R.)
| | - Eleni Kollia
- Laboratory of Food Chemistry, Department of Chemistry, National and Kapodistrian University of Athens Zografou, 15771 Athens, Greece; (E.K.); (A.K.); (L.A.)
| | - Anna Kopsacheili
- Laboratory of Food Chemistry, Department of Chemistry, National and Kapodistrian University of Athens Zografou, 15771 Athens, Greece; (E.K.); (A.K.); (L.A.)
| | - Learda Avdylaj
- Laboratory of Food Chemistry, Department of Chemistry, National and Kapodistrian University of Athens Zografou, 15771 Athens, Greece; (E.K.); (A.K.); (L.A.)
| | - Stavros Georgopoulos
- Department of Food Science and Technology, University of Patras, 30100 Agrinio, Greece; (K.Z.); (S.G.); (A.L.); (V.K.K.); (G.K.); (E.R.)
| | - Areti Leontiou
- Department of Food Science and Technology, University of Patras, 30100 Agrinio, Greece; (K.Z.); (S.G.); (A.L.); (V.K.K.); (G.K.); (E.R.)
| | - Vassilios K. Karabagias
- Department of Food Science and Technology, University of Patras, 30100 Agrinio, Greece; (K.Z.); (S.G.); (A.L.); (V.K.K.); (G.K.); (E.R.)
| | - George Kehayias
- Department of Food Science and Technology, University of Patras, 30100 Agrinio, Greece; (K.Z.); (S.G.); (A.L.); (V.K.K.); (G.K.); (E.R.)
| | - Efthymia Ragkava
- Department of Food Science and Technology, University of Patras, 30100 Agrinio, Greece; (K.Z.); (S.G.); (A.L.); (V.K.K.); (G.K.); (E.R.)
| | - Charalampos Proestos
- Laboratory of Food Chemistry, Department of Chemistry, National and Kapodistrian University of Athens Zografou, 15771 Athens, Greece; (E.K.); (A.K.); (L.A.)
| | - Constantinos E. Salmas
- Department of Material Science and Engineering, University of Ioannina, 45110 Ioannina, Greece
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16
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Elango B, Shirley CP, Okram GS, Ramesh T, Seralathan KK, Mathanmohun M. Structural diversity, functional versatility and applications in industrial, environmental and biomedical sciences of polysaccharides and its derivatives - A review. Int J Biol Macromol 2023; 250:126193. [PMID: 37562468 DOI: 10.1016/j.ijbiomac.2023.126193] [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: 05/08/2023] [Revised: 07/25/2023] [Accepted: 08/05/2023] [Indexed: 08/12/2023]
Abstract
Recent efforts on the expansion of sustainable and commercial primal matters are essential to enhance the knowledge of their hazards and noxiousness to humans and their environments. For example, polysaccharide materials are widely utilized in food, wound dressing, tissue engineering, industry, targeted drug delivery, environmental, and bioremediation due to their attractive degradability, nontoxicity and biocompatibility. There are numerous easy, quick, and efficient ways to manufacture these materials that include cellulose, starch, chitosan, chitin, dextran, pectin, gums, and pullulan. Further, they exhibit distinctive properties when combined favourably with raw materials from other sources. This review discusses the synthesis and novel applications of these carbohydrate polymers in industrial, environmental and biomedical sciences.
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Affiliation(s)
- Boojhana Elango
- Department of Microbiology, Muthayammal College of Arts and Science, Rasipuram, Namakkal 637408, Tamil Nadu, India
| | - C P Shirley
- Department of Computer Science and Engineering, Karunya Institute of Technology and Sciences, Coimbatore 641114, India
| | - Gunadhor Singh Okram
- UGC-DAE Consortium for Scientific Research, University Campus, Khandwa Road, Indore 452001, Madhya Pradesh, India
| | - Thiyagarajan Ramesh
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Kamala-Kannan Seralathan
- Division of Biotechnology, Advanced Institute of Environment and Bioscience, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan 54596, South Korea.
| | - Maghimaa Mathanmohun
- Department of Microbiology, Muthayammal College of Arts and Science, Rasipuram, Namakkal 637408, Tamil Nadu, India.
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17
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Garg SS, Dubey R, Sharma S, Vyas A, Gupta J. Biological macromolecules-based nanoformulation in improving wound healing and bacterial biofilm-associated infection: A review. Int J Biol Macromol 2023; 247:125636. [PMID: 37392924 DOI: 10.1016/j.ijbiomac.2023.125636] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 06/19/2023] [Accepted: 06/28/2023] [Indexed: 07/03/2023]
Abstract
A chronic wound is a serious complication associated with diabetes mellitus and is difficult to heal due to high glucose levels, oxidative stress, and biofilm-associated microbial infection. The structural complexity of microbial biofilm makes it impossible for antibiotics to penetrate the matrix, hence conventional antibiotic therapies became ineffective in clinical settings. This demonstrates an urgent need to find safer alternatives to reduce the prevalence of chronic wound infection associated with microbial biofilm. A novel approach to address these concerns is to inhibit biofilm formation using biological-macromolecule based nano-delivery system. Higher drug loading efficiency, sustained drug release, enhanced drug stability, and improved bioavailability are advantages of employing nano-drug delivery systems to prevent microbial colonization and biofilm formation in chronic wounds. This review covers the pathogenesis, microbial biofilm formation, and immune response to chronic wounds. Furthermore, we also focus on macromolecule-based nanoparticles as wound healing therapies to reduce the increased mortality associated with chronic wound infections.
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Affiliation(s)
- Sourbh Suren Garg
- Department of Biochemistry, School of Bioengineering and Biosciences, Lovely Professional University, Punjab, India
| | - Rupal Dubey
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Lovely Professional University, Punjab, India
| | - Sandeep Sharma
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Lovely Professional University, Punjab, India
| | - Ashish Vyas
- Department of Microbiology, School of Bioengineering and Biosciences, Lovely Professional University, Punjab, India
| | - Jeena Gupta
- Department of Biochemistry, School of Bioengineering and Biosciences, Lovely Professional University, Punjab, India.
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18
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Syed Mohamed SMD, Welsh GI, Roy I. Renal tissue engineering for regenerative medicine using polymers and hydrogels. Biomater Sci 2023; 11:5706-5726. [PMID: 37401545 DOI: 10.1039/d3bm00255a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/05/2023]
Abstract
Chronic Kidney Disease (CKD) is a growing worldwide problem, leading to end-stage renal disease (ESRD). Current treatments for ESRD include haemodialysis and kidney transplantation, but both are deemed inadequate since haemodialysis does not address all other kidney functions, and there is a shortage of suitable donor organs for transplantation. Research in kidney tissue engineering has been initiated to take a regenerative medicine approach as a potential treatment alternative, either to develop effective cell therapy for reconstruction or engineer a functioning bioartificial kidney. Currently, renal tissue engineering encompasses various materials, mainly polymers and hydrogels, which have been chosen to recreate the sophisticated kidney architecture. It is essential to address the chemical and mechanical aspects of the materials to ensure they can support cell development to restore functionality and feasibility. This paper reviews the types of polymers and hydrogels that have been used in kidney tissue engineering applications, both natural and synthetic, focusing on the processing and formulation used in creating bioactive substrates and how these biomaterials affect the cell biology of the kidney cells used.
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Affiliation(s)
| | - Gavin I Welsh
- Renal Bristol, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol BS1 3NY, UK
| | - Ipsita Roy
- Department of Materials Science and Engineering, Faculty of Engineering, University of Sheffield, Sheffield S37HQ, UK.
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19
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Zahra SA, Purba LDA, Abdullah N, Yuzir A, Iwamoto K, Lei Z, Hermana J. Characteristics of algal-bacterial aerobic granular sludge treating real wastewater: Effects of algal inoculation and alginate-like exopolymers recovery. CHEMOSPHERE 2023; 329:138595. [PMID: 37023906 DOI: 10.1016/j.chemosphere.2023.138595] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/16/2023] [Accepted: 04/02/2023] [Indexed: 05/03/2023]
Abstract
Limited information is available on the characteristics of algal-bacterial aerobic granular sludge (AGS) treating real wastewater, especially on its alginate-like exopolymers (ALE) production. In addition, the effect of target microalgae species inoculation on the system performance has not been fully understood. This study aimed to reveal the effect of microalgae inoculation on the characteristics of algal-bacterial AGS and its ALE production potential. Two photo-sequencing batch reactors (PSBR) were employed, namely R1 with activated sludge and R2 with Tetradesmus sp. and activated sludge being inoculated, respectively. Both reactors were fed with locally sourced municipal wastewater and operated for 90 days. Algal-bacterial AGS were successfully cultivated in both reactors. No significant difference was observed between the performances of R1 and R2, reflecting that the inoculation of target microalgae species may not be crucial for the development of algal-bacterial AGS when treating real wastewater. Both reactors achieved an ALE yield of about 70 mg/g of volatile suspended solids (VSS), indicating that a substantial amount of biopolymer can be recovered from wastewater. Interestingly, boron was detected in all the ALE samples, which might contribute to granulation and interspecies quorum sensing. The enrichment of lipids content in ALE from algal-bacterial AGS treating real wastewater reveals its high resource recovery potential. Overall, the algal-bacterial AGS system is a promising biotechnology for simultaneous municipal wastewater treatment and resource (like ALE) recovery.
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Affiliation(s)
- Sasmitha Aulia Zahra
- Department of Chemical and Environmental Engineering, Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia
| | - Laila Dina Amalia Purba
- Department of Chemical and Environmental Engineering, Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia
| | - Norhayati Abdullah
- Department of Chemical and Environmental Engineering, Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia; UTM International, Aras 8, Menara Razak, Jalan Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia.
| | - Ali Yuzir
- Department of Chemical and Environmental Engineering, Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia
| | - Koji Iwamoto
- Department of Chemical and Environmental Engineering, Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia
| | - Zhongfang Lei
- Faculty of Life and Environmental Sciences, University of Tsukuba, Ibaraki, 305-8572, Japan
| | - Joni Hermana
- Department of Environmental Engineering, Faculty of Civil, Planning and Geoengineering, Institut Teknologi Sepuluh Nopember, Surabaya, 60111, Indonesia
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20
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Besiri IN, Goudoulas TB, Fattahi E, Becker T. Experimental Advances in the Real-Time Recording of Cross-Linking Alginate In Situ Gelation: A Review. Polymers (Basel) 2023; 15:2875. [PMID: 37447520 DOI: 10.3390/polym15132875] [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: 06/06/2023] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 07/15/2023] Open
Abstract
Alginate-based hydrogels are promising smart materials widely employed in the food, bioengineering, and energy sectors. The development and optimization of their production require a thorough knowledge of gelation. In recent years, advanced experimental procedures have been developed for real-time cross-linking alginate reaction monitoring. Novel methods, such as customized rheometric setups, enable the recording of mechanical properties and morphological changes during hydrogel formation. These innovative techniques provide important insights into the gelation stages, the reaction rate, the diffusion of cross-linker to polymer chains, and the homogeneity of the gelling structures. Based on real-time experimental data, kinetic models are developed to enhance comprehension of the reaction mechanism and, eventually, to predict the gelation progress. The aim is to enable better control of the characterization of both the complex gelation and the propagated structures. This review aspires to present a comprehensive overview and evaluation of the breakthrough innovations of the real-time in situ recording of cross-linking alginate hydrogels and bead formation. A detailed analysis of the pioneering experimental developments provides a deep comprehension of the alginate gelation, including the parameters controlling the reaction.
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Affiliation(s)
- Ioanna N Besiri
- Research Group of Fluid Dynamics, Chair of Brewing and Beverage Technology, TUM School of Life Sciences, Technical University of Munich, Weihenstephaner Steig 20, 85354 Freising, Germany
| | - Thomas B Goudoulas
- Research Group of Fluid Dynamics, Chair of Brewing and Beverage Technology, TUM School of Life Sciences, Technical University of Munich, Weihenstephaner Steig 20, 85354 Freising, Germany
| | - Ehsan Fattahi
- Research Group of Fluid Dynamics, Chair of Brewing and Beverage Technology, TUM School of Life Sciences, Technical University of Munich, Weihenstephaner Steig 20, 85354 Freising, Germany
| | - Thomas Becker
- Research Group of Fluid Dynamics, Chair of Brewing and Beverage Technology, TUM School of Life Sciences, Technical University of Munich, Weihenstephaner Steig 20, 85354 Freising, Germany
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21
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Shahdadi F, Faryabi M, Khan H, Sardoei AS, Fazeli-Nasab B, Goh BH, Goh KW, Tan CS. Mentha longifolia Essential Oil and Pulegone in Edible Coatings of Alginate and Chitosan: Effects on Pathogenic Bacteria in Lactic Cheese. Molecules 2023; 28:molecules28114554. [PMID: 37299028 DOI: 10.3390/molecules28114554] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/25/2023] [Accepted: 02/26/2023] [Indexed: 06/12/2023] Open
Abstract
Mentha longifolia is a valuable medicinal and aromatic plant that belongs to Lamiaceae family. This study looked at the antibacterial effects of M. longifolia essential oil and pulegone in edible coatings made of chitosan and alginate on the growth of Staphylococcus aureus, Listeria monocytogenes, and Escherichia coli in cheese. For this purpose, first fresh mint plant was collected from the cold region of Jiroft in Kerman province. Plant samples were dried in the shade at ambient temperature, and essential oil was prepared using Clevenger. The essential oil was analyzed by gas chromatography using mass spectrometric (GC/MS) detection. The major composition of M. longifolia oil was pulegone (26.07%), piperitone oxide (19.72%), and piperitone (11.88%). The results showed that adding M. longifolia essential oils and pulegone to edible coatings significantly reduced the growth of bacteria during storage. The bacterial population decreased by increasing the concentration of chitosan, M. longifolia, and pulegone in edible coatings. When the effects of pulegone and M. longifolia essential oils on bacteria were compared, it was found that pulegone had a stronger effect on bacterial population reduction. Coating treatments showed more antibacterial activity on E. coli than other bacteria. In general, the results of this research showed that alginate and chitosan coatings along with M. longifolia essential oil and its active ingredient pulegone had antibacterial effects against S. aureus, L. monocytogenes, and E. coli in cheese.
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Affiliation(s)
- Fatemeh Shahdadi
- Food Science and Technology Department, Faculty of Agriculture, University of Jiroft, Jiroft 7867155311, Iran
| | - Maliheh Faryabi
- Faculty of Basic Sciences, Jiroft Branch, Islamic Azad University, Jirof 5716963896, Iran
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
| | - Ali Salehi Sardoei
- Faculty of Plant Production, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan 4918943464, Iran
| | - Bahman Fazeli-Nasab
- Department of Agronomy and Plant Breeding, Agriculture Institute, Research Institute of Zabol, Zabol 9861335856, Iran
- Department of Biotechnology and Plant Breeding, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad 9177948978, Iran
| | - Bey Hing Goh
- School of Pharmacy, Monash University Malaysia, Bandar Sunway 47500, Malaysia
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Khang Wen Goh
- Faculty of Data Science and Information Technology, INTI International University, Nilai 71800, Malaysia
| | - Ching Siang Tan
- School of Pharmacy, KPJ Healthcare University College, Nilai 71800, Malaysia
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22
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Priyadarshanee M, Das S. Bacterial extracellular polymeric substances: Biosynthesis and interaction with environmental pollutants. CHEMOSPHERE 2023; 332:138876. [PMID: 37164199 DOI: 10.1016/j.chemosphere.2023.138876] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 04/12/2023] [Accepted: 05/06/2023] [Indexed: 05/12/2023]
Abstract
Extracellular polymeric substances (EPS) are highly hydrated matrices produced by bacteria, containing various polymers such as polysaccharides, proteins, lipids, and DNA. Extracellular polymer concentrations, ions, and functional groups provide physical stability to the EPS. Constituents of EPS form the three-dimensional architecture and help acquire nutrition for the bacteria. Structural and functional diversity of the extracellular polymer depends on the specific glycosyltransferases, polymerase and transporter proteins. These enzymes are encoded by specific genes present in operons such as crd, alg, wca, and gum reported in Agrobacterium, Pseudomonas, Enterobacteriaceae, and Xanthomonas. The operons regulate the biosynthesis of extracellular polymers such as curdlan, alginate, colonic acid, and xanthan, respectively. Various functional groups in the EPS, such as carbonyl, hydroxyl, phosphoryl, and amide, provide the sorption site for interaction with environmental pollutants. Hydrophobic interactions and coordinate bonds mainly dominate the binding of EPS with environmental pollutants. EPS binds, emulsifies, and solubilizes the organic compounds, enhancing the degradation process. EPS binds with heavy metals through complexation, surface adsorption, precipitation, and ion exchange mechanisms. The biodegradability efficiency and nontoxicity properties of EPS make it an excellent biopolymer for decontaminating environmental pollutants. This review summarizes an overview of the biosynthetic mechanisms and interaction of the bacterial extracellular polymer with environmental pollutants. Interaction mechanisms of pollutants with EPS and EPS-mediated bioremediation will help develop removal applications. Moreover, understanding the genes responsible for EPS production, and implementation of new genetic methodology can be helpful for the enhanced biosynthesis of EPS to control pollution by sequestrating more environmental pollutants.
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Affiliation(s)
- Monika Priyadarshanee
- Laboratory of Environmental Microbiology and Ecology (LEnME), Department of Life Science, National Institute of Technology, Rourkela, 769 008, Odisha, India
| | - Surajit Das
- Laboratory of Environmental Microbiology and Ecology (LEnME), Department of Life Science, National Institute of Technology, Rourkela, 769 008, Odisha, India.
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23
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Sarvajith M, Nancharaiah Y. Properties of alginate-like exopolymers recovered from flocculent and granular microbial sludges of different biological treatment systems treating real municipal wastewater. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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24
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Paul GK, Mahmud S, Dutta AK, Sarkar S, Laboni AA, Hossain MS, Nagata A, Karmaker P, Razu MH, Kazi T, Uddin MS, Zaman S, Islam MS, Khan M, Saleh MA. Volatile compounds of Bacillus pseudomycoides induce growth and drought tolerance in wheat (Triticum aestivum L.). Sci Rep 2022; 12:19137. [PMID: 36352019 PMCID: PMC9646913 DOI: 10.1038/s41598-022-22354-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 10/13/2022] [Indexed: 11/11/2022] Open
Abstract
The plant growth-boosting biofilm-forming bacteria Bacillus pseudomycoides is able to promote growth and drought stress tolerance in wheat by suppressing the MYB gene, which synthesizes Myb protein (TaMpc1-D4) through secreted volatile compounds. In the present study, Triticum aestivum seeds were inoculated with five distinct bacterial strains. The growth, germination rate, root-shoot length, RWC, and chlorophyll content of seedlings were investigated. Furthermore, the levels of soluble sugars, proteins, H2O2, NO, cell death, and antioxidant enzymes (CAT, SOD, POD, and APX) were observed throughout the growth stage. All of the results showed that B. pseudomycoides had a substantially higher ability to form biofilm and promote these traits than the other strains. In terms of molecular gene expression, B. pseudomycoides inoculation strongly expressed the Dreb1 gene by silencing the expression of MYB gene through secreted volatile compounds. For identifying the specific volatile compound that silenced the MYB gene, molecular docking with Myb protein was performed. Out of 45 volatile compounds found, 2,6-ditert-butylcyclohexa-2,5-diene-1,4-dione and 3,5-ditert-butylphenol had a binding free energy of - 6.2 and - 6.5, Kcal/mol, respectively, which predicted that these compounds could suppress this protein's expression. In molecular dynamics simulations, the RMSD, SASA, Rg, RMSF, and hydrogen bonding values found assured the docked complexes' binding stability. These findings suggest that these targeted compounds may be suppressing Myb protein expression as well as the expression of Dreb1 and other drought response genes in wheat. More research (field trial) into plant growth and drought stress is needed to support the findings of this study.
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Affiliation(s)
- Gobindo Kumar Paul
- grid.412656.20000 0004 0451 7306Microbiology Laboratory, Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi, 6205 Bangladesh ,Bangladesh Reference Institute for Chemical Measurements (BRiCM), Dhaka, Bangladesh
| | - Shafi Mahmud
- grid.1001.00000 0001 2180 7477Division of Genome Sciences and Cancer, The John Curtin School of Medical Research, and The Shine-Dalgarno Centre for RNA Innovation, The Australian National University, Canberra, ACT 2601 Australia
| | - Amit Kumar Dutta
- grid.412656.20000 0004 0451 7306Department of Microbiology, University of Rajshahi, Rajshahi, 6205 Bangladesh
| | - Swagotom Sarkar
- Bangladesh Reference Institute for Chemical Measurements (BRiCM), Dhaka, Bangladesh
| | - Aysha Akter Laboni
- Bangladesh Reference Institute for Chemical Measurements (BRiCM), Dhaka, Bangladesh
| | - Md. Shamim Hossain
- grid.411762.70000 0004 0454 7011Department of Biotechnology and Genetic Engineering, Islamic University, Kushtia, 7003 Bangladesh
| | - Abir Nagata
- grid.136593.b0000 0004 0373 3971Department of Regenerative Dermatology, Graduate School of Medicine, Osaka University, Suita, 565-0871 Japan
| | - Pranab Karmaker
- Bangladesh Reference Institute for Chemical Measurements (BRiCM), Dhaka, Bangladesh
| | - Mamudul Hasan Razu
- Bangladesh Reference Institute for Chemical Measurements (BRiCM), Dhaka, Bangladesh
| | - Taheruzzaman Kazi
- grid.136593.b0000 0004 0373 3971Department of Regenerative Dermatology, Graduate School of Medicine, Osaka University, Suita, 565-0871 Japan
| | - Md. Salah Uddin
- grid.412656.20000 0004 0451 7306Microbiology Laboratory, Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi, 6205 Bangladesh
| | - Shahriar Zaman
- grid.412656.20000 0004 0451 7306Microbiology Laboratory, Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi, 6205 Bangladesh
| | - Md Sayeedul Islam
- grid.136593.b0000 0004 0373 3971Department of Biological Sciences, Graduate School of Science, Osaka University, Machikaneyama-Cho 1-1, Toyonaka, Osaka 560-0043 Japan
| | - Mala Khan
- Bangladesh Reference Institute for Chemical Measurements (BRiCM), Dhaka, Bangladesh
| | - Md. Abu Saleh
- grid.412656.20000 0004 0451 7306Microbiology Laboratory, Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi, 6205 Bangladesh
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25
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Production and Characterization of a Novel Exopolysaccharide from Ramlibacter tataouinensis. Molecules 2022; 27:molecules27217172. [PMID: 36364003 PMCID: PMC9658432 DOI: 10.3390/molecules27217172] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/15/2022] [Accepted: 10/17/2022] [Indexed: 12/04/2022] Open
Abstract
The current study examines the desiccation-resistant Ramlibacter tataouinensis TTB310T as a model organism for the production of novel exopolysaccharides and their structural features. This bacterium is able to produce dividing forms of cysts which synthesize cell-bound exopolysaccharide. Initial experiments were conducted on the enrichment of cyst biomass for exopolysaccharide production under batch-fed conditions in a pilot-scale bioreactor, with lactate as the source of carbon and energy. The optimized medium produced significant quantities of exopolysaccharide in a single growth phase, since the production of exopolysaccharide took place during the division of the cysts. The exopolysaccharide layer was extracted from the cysts using a modified trichloroacetic acid method. The biochemical characterization of purified exopolysaccharide was performed by gas chromatography, ultrahigh-resolution mass spectrometry, nuclear magnetic resonance, and Fourier-transform infrared spectrometry. The repeating unit of exopolysaccharide was a decasaccharide consisting of ribose, glucose, rhamnose, galactose, mannose, and glucuronic acid with the ratio 3:2:2:1:1:1, and additional substituents such as acetyl, succinyl, and methyl moieties were also observed as a part of the exopolysaccharide structure. This study contributes to a fundamental understanding of the novel structural features of exopolysaccharide from a dividing form of cysts, and, further, results can be used to study its rheological properties for various industrial applications.
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26
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Role of Exopolysaccharides of Pseudomonas in Heavy Metal Removal and Other Remediation Strategies. Polymers (Basel) 2022; 14:polym14204253. [PMID: 36297831 PMCID: PMC9609410 DOI: 10.3390/polym14204253] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/05/2022] [Accepted: 10/07/2022] [Indexed: 11/30/2022] Open
Abstract
Pseudomonas biofilms have been studied intensively for several decades and research outcomes have been successfully implemented in various medical and agricultural applications. Research on biofilm synthesis and composition has also overlapped with the objectives of environmental sciences, since biofilm components show exceptional physicochemical properties applicable to remediation techniques. Especially, exopolysaccharides (ExPs) have been at the center of scientific interest, indicating their potential in solving the environmental issues of heavy metal land and water contamination via sorptive interactions and flocculation. Since exposure to heavy metal via contaminated water or soil poses an imminent risk to the environment and human health, ExPs provide an interesting and viable solution to this issue, alongside other effective and green remedial techniques (e.g., phytostabilization, implementation of biosolids, and biosorption using agricultural wastes) aiming to restore contaminated sites to their natural, pollution-free state, or to ameliorate the negative impact of heavy metals on the environment. Thus, we discuss the plausible role and performance of Pseudomonas ExPs in remediation techniques, aiming to provide the relevant available and comprehensive information on ExPs’ biosynthesis and their usage in heavy metal remediation or other environmental applications, such as wastewater treatment via bioflocculation and soil remediation.
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27
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Jackson SA, Duan M, Zhang P, Ihua MW, Stengel DB, Duan D, Dobson ADW. Isolation, identification, and biochemical characterization of a novel bifunctional phosphomannomutase/phosphoglucomutase from the metagenome of the brown alga Laminaria digitata. Front Microbiol 2022; 13:1000634. [PMID: 36212884 PMCID: PMC9537760 DOI: 10.3389/fmicb.2022.1000634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 08/15/2022] [Indexed: 11/17/2022] Open
Abstract
Macroalgae host diverse epiphytic bacterial communities with potential symbiotic roles including important roles influencing morphogenesis and growth of the host, nutrient exchange, and protection of the host from pathogens. Macroalgal cell wall structures, exudates, and intra-cellular environments possess numerous complex and valuable carbohydrates such as cellulose, hemi-cellulose, mannans, alginates, fucoidans, and laminarin. Bacterial colonizers of macroalgae are important carbon cyclers, acquiring nutrition from living macroalgae and also from decaying macroalgae. Seaweed epiphytic communities are a rich source of diverse carbohydrate-active enzymes which may have useful applications in industrial bioprocessing. With this in mind, we constructed a large insert fosmid clone library from the metagenome of Laminaria digitata (Ochrophyta) in which decay was induced. Subsequent sequencing of a fosmid clone insert revealed the presence of a gene encoding a bifunctional phosphomannomutase/phosphoglucomutase (PMM/PGM) enzyme 10L6AlgC, closely related to a protein from the halophilic marine bacterium, Cobetia sp. 10L6AlgC was subsequently heterologously expressed in Escherichia coli and biochemically characterized. The enzyme was found to possess both PMM and PGM activity, which had temperature and pH optima of 45°C and 8.0, respectively; for both activities. The PMM activity had a K m of 2.229 mM and V max of 29.35 mM min-1 mg-1, while the PGM activity had a K m of 0.5314 mM and a V max of 644.7 mM min-1 mg-1. Overall characterization of the enzyme including the above parameters as well as the influence of various divalent cations on these activities revealed that 10L6AlgC has a unique biochemical profile when compared to previously characterized PMM/PGM bifunctional enzymes. Thus 10L6AlgC may find utility in enzyme-based production of biochemicals with different potential industrial applications, in which other bacterial PMM/PGMs have previously been used such as in the production of low-calorie sweeteners in the food industry.
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Affiliation(s)
- Stephen A. Jackson
- School of Microbiology, University College Cork, Cork, Ireland
- Environmental Research Institute, University College Cork, Cork, Ireland
| | - Maohang Duan
- Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China
| | - Pengyan Zhang
- Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, China
| | - Maureen W. Ihua
- School of Microbiology, University College Cork, Cork, Ireland
| | - Dagmar B. Stengel
- Botany and Plant Science, School of Natural Sciences, Ryan Institute for Environmental, Marine and Energy Research, University of Galway, Galway, Ireland
| | - Delin Duan
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
- Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology, Qingdao, China
| | - Alan D. W. Dobson
- School of Microbiology, University College Cork, Cork, Ireland
- Environmental Research Institute, University College Cork, Cork, Ireland
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28
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Li J, Hao X, Gan W, van Loosdrecht MCM, Wu Y. Enhancing extraction of alginate like extracellular polymers (ALE) from flocculent sludge by surfactants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 837:155673. [PMID: 35508248 DOI: 10.1016/j.scitotenv.2022.155673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 04/29/2022] [Accepted: 04/29/2022] [Indexed: 06/14/2023]
Abstract
Alginate like extracellular polymers (ALE) recovered from flocculent sludge has been identified as a kind of highly valuable biomaterials. However, the extraction protocols limit the production of biopolymers as ALE extracted from flocculent sludge is at a lower level, around 90-190 mg/g VSS. Under this circumstance, the eco-friendly and effective optimizations for the ALE extraction protocols are expected, and thus surfactants have gained an attention to enhancing the ALE extraction. With this study, different surfactants with different structures and chemical characteristics, such as sodium dodecyl sulfate (SDS), cetyltrimethylammonium bromide (CTAB) and octyl phenyl polyoxyethylene ether (Triton X-100), were experimented to improve the ALE extraction, and in turn the optimal conditions and the associated mechanisms were evaluated and figured out. The experimental results indicated that surfactants could enhance the ALE extraction but also improve the alginate purification of ALE. With the optimal dosage of surfactants, the ALE extraction increased from 124.1 mg/g VSS to about 222.8-281.9 mg/g VSS, and the alginate purify was at around 54%-70%, in which the efficiency of the ALE extraction was improved by 79.5%-127.2%. Among others, Triton X-100 had the best performance on improving the ALE extraction, followed by CTAB and SDS. The mechanisms of surfactants on enhancing the ALE extraction and improving the alginate purify can be attributed to: i) surfactants micelles, which can solubilize flocs and extracellular biopolymers; ii) similar structures of surfactants and ALE, which follows the rule of "like dissolves like"; iii) functional groups adsorption, which facilitates the ALE release from matrixes. In a word, the optimized extraction protocol by using surfactants can be effectively applied to extract ALE from flocculent sludge.
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Affiliation(s)
- Ji Li
- Sino-Dutch R&D Centre for Future Wastewater Treatment Technologies/Beijing Advanced Innovation Centre of Future Urban Design, Beijing University of Civil Engineering & Architecture, Beijing 100044, PR China
| | - Xiaodi Hao
- Sino-Dutch R&D Centre for Future Wastewater Treatment Technologies/Beijing Advanced Innovation Centre of Future Urban Design, Beijing University of Civil Engineering & Architecture, Beijing 100044, PR China.
| | - Wei Gan
- Sino-Dutch R&D Centre for Future Wastewater Treatment Technologies/Beijing Advanced Innovation Centre of Future Urban Design, Beijing University of Civil Engineering & Architecture, Beijing 100044, PR China
| | - Mark C M van Loosdrecht
- Sino-Dutch R&D Centre for Future Wastewater Treatment Technologies/Beijing Advanced Innovation Centre of Future Urban Design, Beijing University of Civil Engineering & Architecture, Beijing 100044, PR China; Dept. of Biotechnology, Delft University of Technology, van der Maasweg 9, 2629 HZ Delft, the Netherlands
| | - Yuanyuan Wu
- Sino-Dutch R&D Centre for Future Wastewater Treatment Technologies/Beijing Advanced Innovation Centre of Future Urban Design, Beijing University of Civil Engineering & Architecture, Beijing 100044, PR China
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29
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Modulation of hyperglycemia by sodium alginate is associated with changes of serum metabolite and gut microbiota in mice. Carbohydr Polym 2022; 291:119359. [DOI: 10.1016/j.carbpol.2022.119359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/22/2022] [Accepted: 03/11/2022] [Indexed: 11/23/2022]
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30
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Nishu SD, No JH, Lee TK. Transcriptional Response and Plant Growth Promoting Activity of Pseudomonas fluorescens DR397 under Drought Stress Conditions. Microbiol Spectr 2022; 10:e0097922. [PMID: 35863006 PMCID: PMC9430913 DOI: 10.1128/spectrum.00979-22] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 06/23/2022] [Indexed: 11/20/2022] Open
Abstract
Drought is one of the most vulnerable factors that affect crop productivity. Little is known about plant-associated microbiomes and their functional roles in assisting plant growth under drought. We investigated the genetic and transcriptomic characteristics of opportunistic beneficial microorganisms that selectively alleviate stress through plant-bacteria interactions under drought. Pseudomonas fluorescens DR397 was isolated from the drought-prone rhizospheric soil of soybean and showed high metabolic activity at -1.25 Mpa. The genome of DR397 possesses several genes related to the synthesis of compatible solutes (choline and glycine-betaine), exopolysaccharides (alginate and cellulose), and secretion systems (type II, III, IV, and VI), as well as genes related to plant growth promotion (indole-3-acetic acid, transketolase, and thiamine phosphate synthesis). The expression of these genes was significantly upregulated (8- to 263-fold change) only under drought conditions with plant root exudate treatment, whereas subtle transcriptomic changes were observed under solely root exudate treatment. When DR397 was placed on both legume cultivars (Pisum sativum and Phaseolus vulgaris), growth was hardly affected under well-watered conditions, but the shoot and root growths were increased by up from 62.0% to 149.1% compared with the control group under drought conditions. These results provide fundamental insight on the plant-bacterial interactions that alleviate plant stress as an important ecological strategy for improving drought tolerance. IMPORTANCE Drought is a serious abiotic stress on plants as wells as the microbes that coexist with plants, which significantly lowers their fitness. The plant-bacterial interaction is an important strategy to enhance their fitness under drought. However, many knowledge gaps still exist in our understanding of transcriptomic features of bacteria interacting with plant under drought. Here, by investigating the transcriptomic profiles and pot cultivation with legume, we show that the interactions of Pseudomonas fluorescens DR397 with plants change with drought. We, therefore, provide a fundamental evidence of a hidden hero in the soil that promote plant fitness from external stress.
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Affiliation(s)
- Susmita Das Nishu
- Department of Environmental Engineering, Yonsei University, Wonju, Republic of Korea
| | - Jee Hyun No
- Department of Environmental Engineering, Yonsei University, Wonju, Republic of Korea
| | - Tae Kwon Lee
- Department of Environmental Engineering, Yonsei University, Wonju, Republic of Korea
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31
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Chuacharoen T, Aroonsong S, Chysirichote T. Alginate Production of Azotobacter vinelandii Using Sugar Cane Juice as the Main Carbon Source in an Airlift Bioreactor. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Thanida Chuacharoen
- Faculty of Science and Technology, Suan Sunandha Rajabhat University, 1 U Thong Nok Rd, Dusit, Bangkok 10300, Thailand
| | - Soysruang Aroonsong
- Department of Food Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang, 1 Chalongkrung 1, Chalongkrung Rd, Ladkrabang, Bangkok 10520 Thailand
| | - Teerin Chysirichote
- Department of Food Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang, 1 Chalongkrung 1, Chalongkrung Rd, Ladkrabang, Bangkok 10520 Thailand
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32
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Alginate as a Promising Biopolymer in Drug Delivery and Wound Healing: A Review of the State-of-the-Art. Int J Mol Sci 2022; 23:ijms23169035. [PMID: 36012297 PMCID: PMC9409034 DOI: 10.3390/ijms23169035] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/07/2022] [Accepted: 08/09/2022] [Indexed: 12/20/2022] Open
Abstract
Biopolymeric nanoparticulate systems hold favorable carrier properties for active delivery. The enhancement in the research interest in alginate formulations in biomedical and pharmaceutical research, owing to its biodegradable, biocompatible, and bioadhesive characteristics, reiterates its future use as an efficient drug delivery matrix. Alginates, obtained from natural sources, are the colloidal polysaccharide group, which are water-soluble, non-toxic, and non-irritant. These are linear copolymeric blocks of α-(1→4)-linked l-guluronic acid (G) and β-(1→4)-linked d-mannuronic acid (M) residues. Owing to the monosaccharide sequencing and the enzymatically governed reactions, alginates are well-known as an essential bio-polymer group for multifarious biomedical implementations. Additionally, alginate’s bio-adhesive property makes it significant in the pharmaceutical industry. Alginate has shown immense potential in wound healing and drug delivery applications to date because its gel-forming ability maintains the structural resemblance to the extracellular matrices in tissues and can be altered to perform numerous crucial functions. The initial section of this review will deliver a perception of the extraction source and alginate’s remarkable properties. Furthermore, we have aspired to discuss the current literature on alginate utilization as a biopolymeric carrier for drug delivery through numerous administration routes. Finally, the latest investigations on alginate composite utilization in wound healing are addressed.
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33
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Ramakrishnan R, Singh AK, Singh S, Chakravortty D, Das D. Enzymatic Dispersion of Biofilms: An Emerging Biocatalytic Avenue to Combat Biofilm-Mediated Microbial Infections. J Biol Chem 2022; 298:102352. [PMID: 35940306 PMCID: PMC9478923 DOI: 10.1016/j.jbc.2022.102352] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 08/02/2022] [Accepted: 08/03/2022] [Indexed: 01/01/2023] Open
Abstract
Drug resistance by pathogenic microbes has emerged as a matter of great concern to mankind. Microorganisms such as bacteria and fungi employ multiple defense mechanisms against drugs and the host immune system. A major line of microbial defense is the biofilm, which comprises extracellular polymeric substances that are produced by the population of microorganisms. Around 80% of chronic bacterial infections are associated with biofilms. The presence of biofilms can increase the necessity of doses of certain antibiotics up to 1000-fold to combat infection. Thus, there is an urgent need for strategies to eradicate biofilms. Although a few physicochemical methods have been developed to prevent and treat biofilms, these methods have poor efficacy and biocompatibility. In this review, we discuss the existing strategies to combat biofilms and their challenges. Subsequently, we spotlight the potential of enzymes, in particular, polysaccharide degrading enzymes, for biofilm dispersion, which might lead to facile antimicrobial treatment of biofilm-associated infections.
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Affiliation(s)
- Reshma Ramakrishnan
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, Karnataka, India
| | - Ashish Kumar Singh
- Department of Microbiology and Cell Biology, Indian Institute of Science, Bangalore, Karnataka, India
| | - Simran Singh
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, Karnataka, India
| | - Dipshikha Chakravortty
- Department of Microbiology and Cell Biology, Indian Institute of Science, Bangalore, Karnataka, India
| | - Debasis Das
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, Karnataka, India.
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Comparative Metagenomics Highlight a Widespread Pathway Involved in Catabolism of Phosphonates in Marine and Terrestrial Serpentinizing Ecosystems. mSystems 2022; 7:e0032822. [PMID: 35913189 PMCID: PMC9426474 DOI: 10.1128/msystems.00328-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Serpentinizing hydrothermal systems result from water circulating into the subsurface and interacting with mantle-derived rocks notably near mid-ocean ridges or continental ophiolites. Serpentinization and associated reactions produce alkaline fluids enriched in molecular hydrogen, methane, and small organic molecules that are assumed to feed microbial inhabitants. In this study, we explored the relationships linking serpentinization to associated microbial communities by comparative metagenomics of serpentinite-hosted systems, basalt-hosted vents, and hot springs. The shallow Prony bay hydrothermal field (PBHF) microbiome appeared to be more related to those of ophiolitic sites than to the Lost City hydrothermal field (LCHF) microbiome, probably because of the meteoric origin of its fluid, like terrestrial alkaline springs. This study emphasized the ubiquitous importance of a set of genes involved in the catabolism of phosphonates and highly enriched in all serpentinizing sites compared to other ecosystems. Because most of the serpentinizing systems are depleted in inorganic phosphate, the abundance of genes involved in the carbon-phosphorus lyase pathway suggests that the phosphonates constitute a source of phosphorus in these ecosystems. Additionally, hydrocarbons such as methane, released upon phosphonate catabolism, may contribute to the overall budget of organic molecules in serpentinizing systems. IMPORTANCE This first comparative metagenomic study of serpentinite-hosted environments provides an objective framework to understand the functioning of these peculiar ecosystems. We showed a taxonomic similarity between the PBHF and other terrestrial serpentinite-hosted ecosystems. At the same time, the LCHF microbial community was closer to deep basalt-hosted hydrothermal fields than continental ophiolites, despite the influence of serpentinization. This study revealed shared functional capabilities among serpentinite-hosted ecosystems in response to environmental stress, the metabolism of abundant dihydrogen, and the metabolism of phosphorus. Our results are consistent with the generalized view of serpentinite environments but provide deeper insight into the array of factors that may control microbial activities in these ecosystems. Moreover, we show that metabolism of phosphonate is widespread among alkaline serpentinizing systems and could play a crucial role in phosphorus and methane biogeochemical cycles. This study opens a new line of investigation of the metabolism of reduced phosphorus compounds in serpentinizing environments.
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Microbial biopolymers in articular cartilage tissue engineering. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03178-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Cyanophycin Granule Polypeptide: a Neglected High Value-Added Biopolymer, Synthesized in Activated Sludge on a Large Scale. Appl Environ Microbiol 2022; 88:e0074222. [PMID: 35862662 PMCID: PMC9317870 DOI: 10.1128/aem.00742-22] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Recovery of microbial synthetic polymers with high economic value and market demand in activated sludge has attracted extensive attention. This work analyzed the synthesis of cyanophycin granule peptide (CGP) in activated sludge and its adsorption capacity for heavy metals and dyes. The distribution and expression of synthetic genes for eight biopolymers in two wastewater treatment plants (WWTPs) were analyzed by metagenomics and metatranscriptomics. The results indicate that the abundance and expression level of CGP synthase (cphA) are similar to those of polyhydroxyalkanoate polymerase, implying high synthesis of CGP in activated sludges. CGP in activated sludge is mainly polymerized from aspartic acid and arginine, and its secondary structure is mainly β-sheet. The crude yields of CGP are as high as 104 ± 26 and 76 ± 13 mg/g dry sludge in winter and in summer, respectively, comparable to those of polyhydroxyalkanoate and alginate. CGP has a stronger adsorption capacity for anionic pollutants (Cr (VI) and methyl orange) than for cationic pollutants because it is rich in guanidine groups. This study highlights prospects for recovery and application of CGP from WWTPs. IMPORTANCE The conversion of organic pollutants into bioresources by activated sludge can reduce the carbon dioxide emission of wastewater treatment plants. Identification of new high value-added biopolymers produced by activated sludge is beneficial to recover bioresources. Cyanophycin granule polypeptide (CGP), first discovered in cyanobacteria, has unique chemical and material properties suitable for industrial food, medicine, cosmetics, water treatment, and agriculture applications. Here, we revealed for the first time that activated sludge has a remarkable ability to produce CGP. These findings could further facilitate the conversion of wastewater treatment plants into resource recycling plants.
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Cardoso LMDF, Barreto T, Gama JFG, Alves LA. Natural Biopolymers as Additional Tools for Cell Microencapsulation Applied to Cellular Therapy. Polymers (Basel) 2022; 14:polym14132641. [PMID: 35808686 PMCID: PMC9268758 DOI: 10.3390/polym14132641] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 12/10/2022] Open
Abstract
One of the limitations in organ, tissue or cellular transplantations is graft rejection. To minimize or prevent this, recipients must make use of immunosuppressive drugs (IS) throughout their entire lives. However, its continuous use generally causes several side effects. Although some IS dose reductions and withdrawal strategies have been employed, many patients do not adapt to these protocols and must return to conventional IS use. Therefore, many studies have been carried out to offer treatments that may avoid IS administration in the long term. A promising strategy is cellular microencapsulation. The possibility of microencapsulating cells originates from the opportunity to use biomaterials that mimic the extracellular matrix. This matrix acts as a support for cell adhesion and the syntheses of new extracellular matrix self-components followed by cell growth and survival. Furthermore, by involving the cells in a polymeric matrix, the matrix acts as an immunoprotective barrier, protecting cells against the recipient’s immune system while still allowing essential cell survival molecules to diffuse bilaterally through the polymer matrix pores. In addition, this matrix can be associated with IS, thus diminishing systemic side effects. In this context, this review will address the natural biomaterials currently in use and their importance in cell therapy.
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Amini N, Milan PB, Sarmadi VH, Derakhshanmehr B, Hivechi A, Khodaei F, Hamidi M, Ashraf S, Larijani G, Rezapour A. Microorganism-derived biological macromolecules for tissue engineering. Front Med 2022; 16:358-377. [PMID: 35687278 DOI: 10.1007/s11684-021-0903-0] [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: 05/26/2021] [Accepted: 09/23/2021] [Indexed: 11/04/2022]
Abstract
According to literature, certain microorganism productions mediate biological effects. However, their beneficial characteristics remain unclear. Nowadays, scientists concentrate on obtaining natural materials from live creatures as new sources to produce innovative smart biomaterials for increasing tissue reconstruction in tissue engineering and regenerative medicine. The present review aims to introduce microorganism-derived biological macromolecules, such as pullulan, alginate, dextran, curdlan, and hyaluronic acid, and their available sources for tissue engineering. Growing evidence indicates that these materials can be used as biological material in scaffolds to enhance regeneration in damaged tissues and contribute to cosmetic and dermatological applications. These natural-based materials are attractive in pharmaceutical, regenerative medicine, and biomedical applications. This study provides a detailed overview of natural-based biomaterials, their chemical and physical properties, and new directions for future research and therapeutic applications.
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Affiliation(s)
- Naser Amini
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, 1591639675, Iran.,Institutes of Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Peiman Brouki Milan
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, 1591639675, Iran. .,Institutes of Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran. .,Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran.
| | - Vahid Hosseinpour Sarmadi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, 1591639675, Iran.,Institutes of Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Bahareh Derakhshanmehr
- Institutes of Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, 1449614535, Iran
| | - Ahmad Hivechi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, 1591639675, Iran.,Department of Pharmaceutics, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Fateme Khodaei
- Burn Research Center, Department of Plastic and Reconstructive Surgery, Iran University of Medical Sciences, Tehran, 1591639675, Iran
| | - Masoud Hamidi
- Department of Medical Biotechnology, Faculty of Paramedicine, Guilan University of Medical Sciences, Rasht, 4477166595, Iran
| | - Sara Ashraf
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, 1477893855, Iran
| | - Ghazaleh Larijani
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, 1477893855, Iran
| | - Alireza Rezapour
- Cellular and Molecular Research Centre, Qom University of Medical Sciences, Qom, 3715835155, Iran. .,Department of Tissue Engineering and Regenerative Medicine, School of Medicine, Qom University of Medical Sciences, Qom, 3715835155, Iran.
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Tøndervik A, Aune R, Degelmann A, Piontek M, Ertesvåg H, Skjåk-Bræk G, Sletta H. Strain Construction and Process Development for Efficient Recombinant Production of Mannuronan C-5 Epimerases in Hansenula polymorpha. FRONTIERS IN PLANT SCIENCE 2022; 13:837891. [PMID: 35734252 PMCID: PMC9208277 DOI: 10.3389/fpls.2022.837891] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 04/08/2022] [Indexed: 06/15/2023]
Abstract
Alginates are linear polysaccharides produced by brown algae and some bacteria and are composed of β-D-mannuronic acid (M) and α-L-guluronic acid (G). Alginate has numerous present and potential future applications within industrial, medical and pharmaceutical areas and G rich alginates are traditionally most valuable and frequently used due to their gelling and viscosifying properties. Mannuronan C-5 epimerases are enzymes converting M to G at the polymer level during the biosynthesis of alginate. The Azotobacter vinelandii epimerases AlgE1-AlgE7 share a common structure, containing one or two catalytic A-modules (A), and one to seven regulatory R-modules (R). Despite the structural similarity of the epimerases, they create different M-G patterns in the alginate; AlgE4 (AR) creates strictly alternating MG structures whereas AlgE1 (ARRRAR) and AlgE6 (ARRR) create predominantly G-blocks. These enzymes are therefore promising tools for producing in vitro tailor-made alginates. Efficient in vitro epimerization of alginates requires availability of recombinantly produced alginate epimerases, and for this purpose the methylotrophic yeast Hansenula polymorpha is an attractive host organism. The present study investigates whether H. polymorpha is a suitable expression system for future large-scale production of AlgE1, AlgE4, and AlgE6. H. polymorpha expression strains were constructed using synthetic genes with reduced repetitive sequences as well as optimized codon usage. High cell density cultivations revealed that the largest epimerases AlgE1 (147 kDa) and AlgE6 (90 kDa) are subject to proteolytic degradation by proteases secreted by the yeast cells. However, degradation could be controlled to a large extent either by co-expression of chaperones or by adjusting cultivation conditions. The smaller AlgE4 (58 kDa) was stable under all tested conditions. The results obtained thus point toward a future potential for using H. polymorpha in industrial production of mannuronan C-5 epimerases for in vitro tailoring of alginates.
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Affiliation(s)
- Anne Tøndervik
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
| | - Randi Aune
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
| | | | | | - Helga Ertesvåg
- Department of Biotechnology and Food Sciences, Trondheim, Norway
| | | | - Håvard Sletta
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
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Sommer K, Zollfrank C. Block Copolysaccharides from Methylated and Acetylated Cellulose and Starch. Biomacromolecules 2022; 23:2280-2289. [DOI: 10.1021/acs.biomac.1c01673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Korbinian Sommer
- Chair for Biogenic Polymers, TUM Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Schulgasse 16, Straubing 94315, Germany
| | - Cordt Zollfrank
- Chair for Biogenic Polymers, TUM Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Schulgasse 16, Straubing 94315, Germany
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Yakubovich EI, Polischouk AG, Evtushenko VI. Principles and Problems of Exosome Isolation from Biological Fluids. BIOCHEMISTRY (MOSCOW), SUPPLEMENT SERIES A: MEMBRANE AND CELL BIOLOGY 2022; 16:115-126. [PMID: 35730027 PMCID: PMC9202659 DOI: 10.1134/s1990747822030096] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 12/03/2022]
Abstract
Exosomes, the subclass of small membrane extracellular vesicles, have great diagnostic and therapeutic potential, but the lack of standardized methods for their efficient isolation and analysis limits the introduction of exosomal technologies into clinical practice. This review discusses the problems associated with the isolation of exosomes from biological fluids, as well as the principles of traditional and alternative methods of isolation. The aim of the presented review is to illustrate the variety of approaches based on the physical and biochemical properties of exosomes that can be used for exosome isolation. The advantages and disadvantages of different methods are discussed.
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Affiliation(s)
- E. I. Yakubovich
- Granov Russian Research Center for Radiology and Surgical Technologies, Ministry of Health of the Russian Federation, 197758 St. Petersburg, Russia
| | - A. G. Polischouk
- Granov Russian Research Center for Radiology and Surgical Technologies, Ministry of Health of the Russian Federation, 197758 St. Petersburg, Russia
| | - V. I. Evtushenko
- Granov Russian Research Center for Radiology and Surgical Technologies, Ministry of Health of the Russian Federation, 197758 St. Petersburg, Russia
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Amin Vieira da Costa NP, Libardi N, Ribeiro da Costa RH. How can the addition of extracellular polymeric substances (EPS)-based bioflocculant affect aerobic granular sludge (AGS)? JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 310:114807. [PMID: 35231689 DOI: 10.1016/j.jenvman.2022.114807] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/19/2022] [Accepted: 02/23/2022] [Indexed: 06/14/2023]
Abstract
The ability of extracellular polymeric substances (EPS) recovered from aerobic granular sludge (AGS) to act as bioflocculant was tested in a pilot-scale sequencing batch reactor (SBR), fed with low-strength municipal wastewater. EPS were compared with the addition of Na-alginate as a standardized biopolymer. The optimal dosage of both biopolymers was determined through jar-test assays (400 mg L-1 of Na-alginate in a 250 mg Ca L-1 and 50 mg L-1 of EPS in pH of 2 ± 0.2). The addition of Na-alginate (Operational Period I- OP-I) and EPS (Operational Period II - OP-II) led to increased adhesion of particles with 2.9 ± 0.45 and 1.3 ± 0.3 g TSS L-1 during OP-I and OP-II, respectively, and fast settling biomass (SVI30 between 68 and 78 mL g-1). Granule predominance occurred at early stages of OP-I (day 37) and OP-II (day 44), presenting diameters mainly within the 212-600 μm range. The reactor showed removal efficiencies of 85% for biochemical oxygen demand (BOD) and above 50% for N-NH4 during the study periods. Furthermore, the addition of EPS as a bioflocculant promoted a substantial increase in polysaccharides (PS = 153.01 ± 121 mg gVSS-1) and proteins (PN = 121.96 ± 69 mg gVSS-1), while the addition of Na-alginate affected mostly the PS content (87 ± 24 mg gVSS-1). The microbial community shifted mainly from Betaproteobacteria (45%) during OP-I to Alphaproteobacteria (64%) in OP-II. Therefore, EPS affected both physical-chemical and microbial features of the AGS biomass without any change in treatment efficiencies. EPS is a promising resource to be recovered from aerobic granular sludge and to be used as an alternative and sustainable bioflocculant.
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Affiliation(s)
| | - Nelson Libardi
- Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina - UFSC, 88040-970, Florianópolis, Brazil.
| | - Rejane Helena Ribeiro da Costa
- Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina - UFSC, 88040-970, Florianópolis, Brazil
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44
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Synthetic biology-powered microbial co-culture strategy and application of bacterial cellulose-based composite materials. Carbohydr Polym 2022; 283:119171. [DOI: 10.1016/j.carbpol.2022.119171] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 11/18/2022]
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45
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A Brief Review on the Development of Alginate Extraction Process and Its Sustainability. SUSTAINABILITY 2022. [DOI: 10.3390/su14095181] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Alginate is an attractive marine resource-based biopolymer, which has been widely used in pharmaceutical, food and textile industries. This paper reviewed the latest development of the conventional and alternative processes for alginate extraction from brown seaweed. To improve extraction yield and product quality, various studies have been carried out to optimize the operation condition. Based on literature survey, the most commonly used protocol is soaking milled seaweed in 2% (w/v) formaldehyde, overnight, solid loading ratio of 1:10–20 (dry weight biomass to solution), then collecting the solid for acid pre-treatment with HCl 0.2–2% (w/v), 40–60 °C, 1:10–30 ratio for 2–4 h. Next, the solid residue from the acid pre-treatment is extracted using Na2CO3 at 2–4% (w/v), 40–60 °C, 2–3 h, 1:10–30 ratio. Then the liquid portion is precipitated by ethanol (95%+) with a ratio of 1:1 (v/v). Finally, the solid output is dried in oven at 50–60 °C. Novel extraction methods using ultrasound, microwave, enzymes and extrusion improved the extraction yield and alginate properties, but the financial benefits have not been fully justified yet. To improve the sustainable production of alginate, it is required to promote seaweed cultivation, reduce water footprint, decrease organic solvent usage and co-produce alginate with other value-added products.
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Hurtado A, Aljabali AAA, Mishra V, Tambuwala MM, Serrano-Aroca Á. Alginate: Enhancement Strategies for Advanced Applications. Int J Mol Sci 2022; 23:4486. [PMID: 35562876 PMCID: PMC9102972 DOI: 10.3390/ijms23094486] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 04/14/2022] [Accepted: 04/17/2022] [Indexed: 02/06/2023] Open
Abstract
Alginate is an excellent biodegradable and renewable material that is already used for a broad range of industrial applications, including advanced fields, such as biomedicine and bioengineering, due to its excellent biodegradable and biocompatible properties. This biopolymer can be produced from brown algae or a microorganism culture. This review presents the principles, chemical structures, gelation properties, chemical interactions, production, sterilization, purification, types, and alginate-based hydrogels developed so far. We present all of the advanced strategies used to remarkably enhance this biopolymer's physicochemical and biological characteristics in various forms, such as injectable gels, fibers, films, hydrogels, and scaffolds. Thus, we present here all of the material engineering enhancement approaches achieved so far in this biopolymer in terms of mechanical reinforcement, thermal and electrical performance, wettability, water sorption and diffusion, antimicrobial activity, in vivo and in vitro biological behavior, including toxicity, cell adhesion, proliferation, and differentiation, immunological response, biodegradation, porosity, and its use as scaffolds for tissue engineering applications. These improvements to overcome the drawbacks of the alginate biopolymer could exponentially increase the significant number of alginate applications that go from the paper industry to the bioprinting of organs.
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Affiliation(s)
- Alejandro Hurtado
- Biomaterials and Bioengineering Laboratory, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, c/Guillem de Castro 94, 46001 Valencia, Spain;
| | - Alaa A. A. Aljabali
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Yarmouk University, Irbid 21163, Jordan;
| | - Vijay Mishra
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, Punjab, India;
| | - Murtaza M. Tambuwala
- School of Pharmacy and Pharmaceutical Science, Ulster University, Coleraine BT52 1SA, Northern Ireland, UK;
| | - Ángel Serrano-Aroca
- Biomaterials and Bioengineering Laboratory, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, c/Guillem de Castro 94, 46001 Valencia, Spain;
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Núñez C, López-Pliego L, Ahumada-Manuel CL, Castañeda M. Genetic Regulation of Alginate Production in Azotobacter vinelandii a Bacterium of Biotechnological Interest: A Mini-Review. Front Microbiol 2022; 13:845473. [PMID: 35401471 PMCID: PMC8988225 DOI: 10.3389/fmicb.2022.845473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 03/03/2022] [Indexed: 11/17/2022] Open
Abstract
Alginates are a family of polymers composed of guluronate and mannuronate monomers joined by β (1–4) links. The different types of alginates have variations in their monomer content and molecular weight, which determine the rheological properties and their applications. In industry, alginates are commonly used as additives capable of viscosifying, stabilizing, emulsifying, and gelling aqueous solutions. Recently, additional specialized biomedical uses have been reported for this polymer. Currently, the production of alginates is based on the harvesting of seaweeds; however, the composition and structure of the extracts are highly variable. The production of alginates for specialized applications requires a precise composition of monomers and molecular weight, which could be achieved using bacterial production systems such as those based on Azotobacter vinelandii, a free-living, non-pathogenic bacterium. In this mini-review, we analyze the latest advances in the regulation of alginate synthesis in this model.
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Affiliation(s)
- Cinthia Núñez
- Departamento de Microbiología Molecular, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Liliana López-Pliego
- Centro de Investigaciones en Ciencias Microbiológicas, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Carlos Leonel Ahumada-Manuel
- Departamento de Microbiología Molecular, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Miguel Castañeda
- Centro de Investigaciones en Ciencias Microbiológicas, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
- *Correspondence: Miguel Castañeda,
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Wan Mahari WA, Waiho K, Fazhan H, Necibi MC, Hafsa J, Mrid RB, Fal S, El Arroussi H, Peng W, Tabatabaei M, Aghbashlo M, Almomani F, Lam SS, Sillanpää M. Progress in valorisation of agriculture, aquaculture and shellfish biomass into biochemicals and biomaterials towards sustainable bioeconomy. CHEMOSPHERE 2022; 291:133036. [PMID: 34822867 DOI: 10.1016/j.chemosphere.2021.133036] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/03/2021] [Accepted: 11/20/2021] [Indexed: 06/13/2023]
Abstract
The recurrent environmental and economic issues associated with the diminution of fossil fuels are the main impetus towards the conversion of agriculture, aquaculture and shellfish biomass and the wastes into alternative commodities in a sustainable approach. In this review, the recent progress on recovering and processing these biomass and waste feedstocks to produce a variety of value-added products via various valorisation technologies, including hydrolysis, extraction, pyrolysis, and chemical modifications are presented, analysed, and discussed. These technologies have gained widespread attention among researchers, industrialists and decision makers alike to provide markets with bio-based chemicals and materials at viable prices, leading to less emissions of CO2 and sustainable management of these resources. In order to echo the thriving research, development and innovation, bioresources and biomass from various origins were reviewed including agro-industrial, herbaceous, aquaculture, shellfish bioresources and microorganisms that possess a high content of starch, cellulose, lignin, lipid and chitin. Additionally, a variety of technologies and processes enabling the conversion of such highly available bioresources is thoroughly analysed, with a special focus on recent studies on designing, optimising and even innovating new processes to produce biochemicals and biomaterials. Despite all these efforts, there is still a need to determine the more cost-effective and efficient technologies to produce bio-based commodities.
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Affiliation(s)
- Wan Adibah Wan Mahari
- Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Khor Waiho
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, China; Centre for Chemical Biology, Universiti Sains Malaysia, Minden, Malaysia
| | - Hanafiah Fazhan
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia; STU-UMT Joint Shellfish Research Laboratory, Shantou University, Shantou, China
| | - Mohamed Chaker Necibi
- International Water Research Institute, Mohammed VI Polytechnic University, 43150 Ben-Guerir, Morocco.
| | - Jawhar Hafsa
- AgroBioSciences Research Division, Mohammed VI Polytechnic University, 43150 Ben-Guerir, Morocco
| | - Reda Ben Mrid
- AgroBioSciences Research Division, Mohammed VI Polytechnic University, 43150 Ben-Guerir, Morocco
| | - Soufiane Fal
- Green Biotechnology laboratory, Moroccan Foundation for Advanced Science, Innovation & Research (MASCIR). Madinat Al Irfane, Rabat 10100 Morocco; Plant Physiology and Biotechnology Team, Center of Plant and Microbial Biotechnology, Biodiversity and Environment. Faculty of Sciences, Mohammed V University of Rabat, 10000, Morocco
| | - Hicham El Arroussi
- Green Biotechnology laboratory, Moroccan Foundation for Advanced Science, Innovation & Research (MASCIR). Madinat Al Irfane, Rabat 10100 Morocco
| | - Wanxi Peng
- Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China
| | - Meisam Tabatabaei
- Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
| | - Mortaza Aghbashlo
- Department of Mechanical Engineering of Agricultural Machinery, Faculty of Agricultural Engineering and Technology, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - Fares Almomani
- Department of Chemical Engineering, College of Engineering, Qatar University, P. O. Box 2713, Doha, Qatar
| | - Su Shiung Lam
- Henan Province Engineering Research Center for Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia.
| | - Mika Sillanpää
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; Faculty of Science and Technology, School of Applied Physics, University Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia; Malaysia Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Viet Nam; International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan, 173212, Himachal Pradesh, India.
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49
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Ren CG, Liu ZY, Wang XL, Qin S. The seaweed holobiont: from microecology to biotechnological applications. Microb Biotechnol 2022; 15:738-754. [PMID: 35137526 PMCID: PMC8913876 DOI: 10.1111/1751-7915.14014] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 01/25/2022] [Accepted: 01/27/2022] [Indexed: 01/17/2023] Open
Abstract
In the ocean, seaweed and microorganisms have coexisted since the earliest stages of evolution and formed an inextricable relationship. Recently, seaweed has attracted extensive attention worldwide for ecological and industrial purposes, but the function of its closely related microbes is often ignored. Microbes play an indispensable role in different stages of seaweed growth, development and maturity. A very diverse group of seaweed‐associated microbes have important functions and are dynamically reconstructed as the marine environment fluctuates, forming an inseparable ‘holobiont’ with their host. To further understand the function and significance of holobionts, this review first reports on recent advances in revealing seaweed‐associated microbe spatial and temporal distribution. Then, this review discusses the microbe and seaweed interactions and their ecological significance, and summarizes the current applications of the seaweed–microbe relationship in various environmental and biological technologies. Sustainable industries based on seaweed holobionts could become an integral part of the future bioeconomy because they can provide more resource‐efficient food, high‐value chemicals and medical materials. Moreover, holobionts may provide a new approach to marine environment restoration.
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Affiliation(s)
- Cheng-Gang Ren
- Key Laboratory of Biology and Utilization of Biological Resources of Coastal Zone, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China.,Center for Ocean Mag-Science, Chinese Academy of Sciences, Qingdao, China
| | - Zheng-Yi Liu
- Key Laboratory of Biology and Utilization of Biological Resources of Coastal Zone, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China.,Center for Ocean Mag-Science, Chinese Academy of Sciences, Qingdao, China
| | | | - Song Qin
- Key Laboratory of Biology and Utilization of Biological Resources of Coastal Zone, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China.,Center for Ocean Mag-Science, Chinese Academy of Sciences, Qingdao, China
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50
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Bartlau N, Wichels A, Krohne G, Adriaenssens EM, Heins A, Fuchs BM, Amann R, Moraru C. Highly diverse flavobacterial phages isolated from North Sea spring blooms. THE ISME JOURNAL 2022; 16:555-568. [PMID: 34475519 PMCID: PMC8776804 DOI: 10.1038/s41396-021-01097-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Accepted: 08/17/2021] [Indexed: 11/24/2022]
Abstract
It is generally recognized that phages are a mortality factor for their bacterial hosts. This could be particularly true in spring phytoplankton blooms, which are known to be closely followed by a highly specialized bacterial community. We hypothesized that phages modulate these dense heterotrophic bacteria successions following phytoplankton blooms. In this study, we focused on Flavobacteriia, because they are main responders during these blooms and have an important role in the degradation of polysaccharides. A cultivation-based approach was used, obtaining 44 lytic flavobacterial phages (flavophages), representing twelve new species from two viral realms. Taxonomic analysis allowed us to delineate ten new phage genera and ten new families, from which nine and four, respectively, had no previously cultivated representatives. Genomic analysis predicted various life styles and genomic replication strategies. A likely eukaryote-associated host habitat was reflected in the gene content of some of the flavophages. Detection in cellular metagenomes and by direct-plating showed that part of these phages were actively replicating in the environment during the 2018 spring bloom. Furthermore, CRISPR/Cas spacers and re-isolation during two consecutive years suggested that, at least part of the new flavophages are stable components of the microbial community in the North Sea. Together, our results indicate that these diverse flavophages have the potential to modulate their respective host populations.
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Affiliation(s)
- Nina Bartlau
- Max Planck Institute for Marine Microbiology, Bremen, Germany
| | - Antje Wichels
- Alfred Wegener Institute Helmholtz Center for Polar and Marine Research, Biologische Anstalt Helgoland, Heligoland, Germany
| | - Georg Krohne
- Imaging Core Facility, Biocenter, University of Würzburg, Würzburg, Germany
| | | | - Anneke Heins
- Max Planck Institute for Marine Microbiology, Bremen, Germany
| | | | - Rudolf Amann
- Max Planck Institute for Marine Microbiology, Bremen, Germany.
| | - Cristina Moraru
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Oldenburg, Germany.
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