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Aytar M, Başbülbül G, Uygun DA. Characterization and biological activities of a novel exopolysaccharide produced from Geobacillus thermodenitrificans HBB 111 strain. Extremophiles 2024; 28:27. [PMID: 38861190 DOI: 10.1007/s00792-024-01344-4] [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: 11/28/2023] [Accepted: 05/21/2024] [Indexed: 06/12/2024]
Abstract
In this study, EPS production conditions of Geobacillus thermodenitrificans HBB 111, a thermophilic microorganism, were optimized and the amount of produced EPS (EPS 111) was found to be 44.0 mg/L. EPS 111 was purified using ion exchange chromatography and gel filtration chromatography, and a single type of exopolysaccharide was obtained. The structure of the purified EPS 111 was evaluated by TLC, FTIR, NMR, and GC-MS, and it was observed that it contained hexose (glucose, fructose, galactose and mannose) and pentose sugars. From the SEM photographs, it was understood that EPS 111 had an amorphous, rough, and layered structure. It was found that purified EPS 111 had low cytotoxicity (2.3%) and exhibited high antioxidant activity and remarkable antidiabetic, prebiotic and fibrinolytic activities. It is very valuable that the purified EPS 111 in this study offers multiple biological activities compared to the thermophilic EPSs reported in the literature and has a high potential for use in biotechnological and biomedical fields.
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Affiliation(s)
- Mehmet Aytar
- Department of Biology, Institute of Science, Aydın Adnan Menderes University, Aydın, Türkiye
| | - Gamze Başbülbül
- Department of Biology, Faculty of Science, Aydın Adnan Menderes University, Aydın, Türkiye
| | - Deniz Aktaş Uygun
- Department of Chemistry, Faculty of Science, Aydın Adnan Menderes University, Aydın, Türkiye.
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Akhtar N, Wani AK, Sharma NR, Sanami S, Kaleem S, Machfud M, Purbiati T, Sugiono S, Djumali D, Retnaning Prahardini PE, Purwati RD, Supriadi K, Rahayu F. Microbial exopolysaccharides: Unveiling the pharmacological aspects for therapeutic advancements. Carbohydr Res 2024; 539:109118. [PMID: 38643705 DOI: 10.1016/j.carres.2024.109118] [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: 12/16/2023] [Revised: 04/15/2024] [Accepted: 04/15/2024] [Indexed: 04/23/2024]
Abstract
Microbial exopolysaccharides (EPSs) have emerged as a fascinating area of research in the field of pharmacology due to their diverse and potent biological activities. This review paper aims to provide a comprehensive overview of the pharmacological properties exhibited by EPSs, shedding light on their potential applications in various therapeutic areas. The review begins by introducing EPSs, exploring their various sources, significance in microbial growth and survival, and their applications across different industries. Subsequently, a thorough examination of the pharmaceutical properties of microbial EPSs unveils their antioxidant, immunomodulatory, antimicrobial, antidepressant, antidiabetic, antiviral, antihyperlipidemic, hepatoprotective, anti-inflammatory, and anticancer activities. Mechanistic insights into how different EPSs exert these therapeutic effects have also been discussed in this review. The review also provides comprehensive information about the monosaccharide composition, backbone, branches, glycosidic bonds, and molecular weight of pharmacologically active EPSs from various microbial sources. Furthermore, the factors that can affect the pharmacological activities of EPSs and approaches to improve the EPSs' pharmacological activity have also been discussed. In conclusion, this review illuminates the immense pharmaceutical promise of microbial EPS as versatile bioactive compounds with wide-ranging therapeutic applications. By elucidating their structural features, biological activities, and potential applications, this review aims to catalyze further research and development efforts in leveraging the pharmaceutical potential of microbial EPS for the advancement of human health and well-being, while also contributing to sustainable and environmentally friendly practices in the pharmaceutical industry.
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Affiliation(s)
- Nahid Akhtar
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, (144411), Punjab, India
| | - Atif Khurshid Wani
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, (144411), Punjab, India.
| | - Neeta Raj Sharma
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, (144411), Punjab, India
| | - Samira Sanami
- Health Promotion Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Shaikh Kaleem
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, (144411), Punjab, India
| | - Moch Machfud
- Research Center for Estate Crops, National Research and Innovation Agency, Bogor, (16911), Indonesia
| | - Titiek Purbiati
- Research Center for Horticulture, National Research and Innovation Agency, Bogor, (16911), Indonesia
| | - Sugiono Sugiono
- Research Center for Horticulture, National Research and Innovation Agency, Bogor, (16911), Indonesia
| | - Djumali Djumali
- Research Center for Estate Crops, National Research and Innovation Agency, Bogor, (16911), Indonesia
| | | | - Rully Dyah Purwati
- Research Center for Estate Crops, National Research and Innovation Agency, Bogor, (16911), Indonesia
| | - Khojin Supriadi
- Research Center for Food Crops, National Research and Innovation Agency, Bogor, (16911), Indonesia
| | - Farida Rahayu
- Research Center for Genetic Engineering, National Research and Innovation Agency, Bogor, (16911), Indonesia
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Khani N, Abedi Soleimani R, Chadorshabi S, Moutab BP, Milani PG, Rad AH. Postbiotics as candidates in biofilm inhibition in food industries. Lett Appl Microbiol 2024; 77:ovad069. [PMID: 37309029 DOI: 10.1093/lambio/ovad069] [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: 03/08/2023] [Revised: 05/28/2023] [Accepted: 06/09/2023] [Indexed: 06/14/2023]
Abstract
Food-borne pathogen-related biofilms in food processing environments pose significant risks to human health. To ensure human and environmental safety, natural substances with anti-microbial properties and generally recognized as safe (GRAS) status are the future disinfectants of the food industry. The use of postbiotics in food products is gaining attention due to their many benefits. Postbiotics are soluble substances produced by probiotics or released after their lysis, such as bacteriocins, biosurfactants (BSs), and exopolysaccharides (EPS). Postbiotics have drawn attention because of their clear chemical structure, safety dose parameters, long shelf life, and the content of various signaling molecules, which may have anti-biofilm and antibacterial activities. The main mechanisms of postbiotics to combat biofilm contain suppression of twitching motility, disturbing quorum sensing (QS), and reduction of virulence factors. However, there are obstacles to using these compounds in the food matrix because some factors (temperature and pH) can limit the anti-biofilm impact of postbiotics. Therefore, by using encapsulation or application of these compounds in packaging films, the effect of interfering factors can be eliminated. This review summarizes the concept and safety of postbiotics, focusing on their antibiofilm effect, as well as discussing the encapsulation of postbiotics and their application in packaging films.
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Affiliation(s)
- Nader Khani
- Student Research Committee, Tabriz University of Medical Sciences, 33366581 Tabriz, Iran
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Nutrition Research Center, Tabriz University of Medical Sciences, 33366581 Tabriz, Iran
| | - Roya Abedi Soleimani
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Nutrition Research Center, Tabriz University of Medical Sciences, 33366581 Tabriz, Iran
| | - Sara Chadorshabi
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Nutrition Research Center, Tabriz University of Medical Sciences, 33366581 Tabriz, Iran
| | - Bahareh Pouragha Moutab
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Nutrition Research Center, Tabriz University of Medical Sciences, 33366581 Tabriz, Iran
| | - Payam Gonbari Milani
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Nutrition Research Center, Tabriz University of Medical Sciences, 33366581 Tabriz, Iran
| | - Aziz Homayouni Rad
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Nutrition Research Center, Tabriz University of Medical Sciences, 33366581 Tabriz, Iran
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da Rosa DF, Macedo AJ. The genus Anoxybacillus: an emerging and versatile source of valuable biotechnological products. Extremophiles 2023; 27:22. [PMID: 37584877 DOI: 10.1007/s00792-023-01305-3] [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: 03/04/2023] [Accepted: 07/14/2023] [Indexed: 08/17/2023]
Abstract
Thermophilic and alkaliphilic microorganisms are unique organisms that possess remarkable survival strategies, enabling them to thrive on a diverse range of substrates. Anoxybacillus, a genus of thermophilic and alkaliphilic bacteria, encompasses 24 species and 2 subspecies. In recent years, extensive research has unveiled the diverse array of thermostable enzymes within this relatively new genus, holding significant potential for industrial and environmental applications. The biomass of Anoxybacillus has demonstrated promising results in bioremediation techniques, while the recently discovered metabolites have exhibited potential in medicinal experiments. This review aims to provide an overview of the key experimental findings related to the biotechnological applications utilizing bacteria from the Anoxybacillus genus.
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Affiliation(s)
- Deisiane Fernanda da Rosa
- Laboratório de Diversidade Microbiana (LABDIM), Faculdade de Farmácia and Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Porto Alegre, 91501-970, Brazil
| | - Alexandre José Macedo
- Laboratório de Diversidade Microbiana (LABDIM), Faculdade de Farmácia and Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Porto Alegre, 91501-970, Brazil.
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Omeroglu MA, Baltaci MO, Adiguzel A. Anoxybacillus: an overview of a versatile genus with recent biotechnological applications. World J Microbiol Biotechnol 2023; 39:139. [PMID: 36995480 DOI: 10.1007/s11274-023-03583-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 03/15/2023] [Indexed: 03/31/2023]
Abstract
The Bacillaceae family members are considered to be a good source of microbial factories for biotechnological processes. In contrast to Bacillus and Geobacillus, Anoxybacillus, which would be thermophilic and spore-forming group of bacteria, is a relatively new genus firstly proposed in the year of 2000. The development of thermostable microbial enzymes, waste management and bioremediation processes would be a crucial parameter in the industrial sectors. There has been increasing interest in Anoxybacillus strains for biotechnological applications. Therefore, various Anoxybacillus strains isolated from different habitats have been explored and identified for biotechnological and industrial purposes such as enzyme production, bioremediation and biodegradation of toxic compounds. Certain strains have ability to produce exopolysaccharides possessing biological activities including antimicrobial, antioxidant and anticancer. This current review provides past and recent discoveries regarding Anoxybacillus strains and their potential biotechnological applications in enzyme industry, environmental processes and medicine.
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Affiliation(s)
- Mehmet Akif Omeroglu
- Faculty of Science, Department of Molecular Biology and Genetics, Ataturk University, Erzurum, 25400, Turkey
| | - Mustafa Ozkan Baltaci
- Faculty of Science, Department of Molecular Biology and Genetics, Ataturk University, Erzurum, 25400, Turkey.
| | - Ahmet Adiguzel
- Faculty of Science, Department of Molecular Biology and Genetics, Ataturk University, Erzurum, 25400, Turkey.
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Kumar A, Mukhia S, Kumar R. Production, characterisation, and application of exopolysaccharide extracted from a glacier bacterium Mucilaginibacter sp. ERMR7:07. Process Biochem 2022. [DOI: 10.1016/j.procbio.2021.12.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Banerjee A, Sarkar S, Govil T, González-Faune P, Cabrera-Barjas G, Bandopadhyay R, Salem DR, Sani RK. Extremophilic Exopolysaccharides: Biotechnologies and Wastewater Remediation. Front Microbiol 2021; 12:721365. [PMID: 34489911 PMCID: PMC8417407 DOI: 10.3389/fmicb.2021.721365] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 07/26/2021] [Indexed: 01/18/2023] Open
Abstract
Various microorganisms thrive under extreme environments, like hot springs, hydrothermal vents, deep marine ecosystems, hyperacid lakes, acid mine drainage, high UV exposure, and more. To survive against the deleterious effect of these extreme circumstances, they form a network of biofilm where exopolysaccharides (EPSs) comprise a substantial part. The EPSs are often polyanionic due to different functional groups in their structural backbone, including uronic acids, sulfated units, and phosphate groups. Altogether, these chemical groups provide EPSs with a negative charge allowing them to (a) act as ligands toward dissolved cations as well as trace, and toxic metals; (b) be tolerant to the presence of salts, surfactants, and alpha-hydroxyl acids; and (c) interface the solubilization of hydrocarbons. Owing to their unique structural and functional characteristics, EPSs are anticipated to be utilized industrially to remediation of metals, crude oil, and hydrocarbons from contaminated wastewaters, mines, and oil spills. The biotechnological advantages of extremophilic EPSs are more diverse than traditional biopolymers. The present review aims at discussing the mechanisms and strategies for using EPSs from extremophiles in industries and environment bioremediation. Additionally, the potential of EPSs as fascinating biomaterials to mediate biogenic nanoparticles synthesis and treat multicomponent water contaminants is discussed.
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Affiliation(s)
- Aparna Banerjee
- Centro de investigación en Estudios Avanzados del Maule (CIEAM), Vicerrectoría de Investigación Y Posgrado, Universidad Católica del Maule, Talca, Chile
- Centro de Biotecnología de los Recursos Naturales (CENBio), Facultad de Ciencias Agrarias Y Forestales, Universidad Católica del Maule, Talca, Chile
| | - Shrabana Sarkar
- Department of Botany, UGC-Center of Advanced Study, The University of Burdwan, Golapbag, Burdwan, India
| | - Tanvi Govil
- Department of Chemical and Biological Engineering, South Dakota Mines, Rapid City, SD, United States
- Composite and Nanocomposite Advanced Manufacturing – Biomaterials Center, Rapid City, SD, United States
| | - Patricio González-Faune
- Escuela Ingeniería en Biotecnología, Facultad de Ciencias Agrarias Y Forestales, Universidad Católica del Maule, Talca, Chile
| | | | - Rajib Bandopadhyay
- Department of Botany, UGC-Center of Advanced Study, The University of Burdwan, Golapbag, Burdwan, India
| | - David R. Salem
- Department of Botany, UGC-Center of Advanced Study, The University of Burdwan, Golapbag, Burdwan, India
- Department of Chemical and Biological Engineering, South Dakota Mines, Rapid City, SD, United States
- Department of Materials and Metallurgical Engineering, South Dakota Mines, Rapid City, SD, United States
| | - Rajesh K. Sani
- Department of Botany, UGC-Center of Advanced Study, The University of Burdwan, Golapbag, Burdwan, India
- Department of Chemical and Biological Engineering, South Dakota Mines, Rapid City, SD, United States
- BuGReMeDEE Consortium, South Dakota School of Mines and Technology, Rapid City, SD, United States
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