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Scott CJR, McGregor NGS, Leadbeater DR, Oates NC, Hoßbach J, Abood A, Setchfield A, Dowle A, Overkleeft HS, Davies GJ, Bruce NC. Parascedosporium putredinis NO1 tailors its secretome for different lignocellulosic substrates. Microbiol Spectr 2024:e0394323. [PMID: 38757984 DOI: 10.1128/spectrum.03943-23] [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: 11/14/2023] [Accepted: 04/19/2024] [Indexed: 05/18/2024] Open
Abstract
Parascedosporium putredinis NO1 is a plant biomass-degrading ascomycete with a propensity to target the most recalcitrant components of lignocellulose. Here we applied proteomics and activity-based protein profiling (ABPP) to investigate the ability of P. putredinis NO1 to tailor its secretome for growth on different lignocellulosic substrates. Proteomic analysis of soluble and insoluble culture fractions following the growth of P. putredinis NO1 on six lignocellulosic substrates highlights the adaptability of the response of the P. putredinis NO1 secretome to different substrates. Differences in protein abundance profiles were maintained and observed across substrates after bioinformatic filtering of the data to remove intracellular protein contamination to identify the components of the secretome more accurately. These differences across substrates extended to carbohydrate-active enzymes (CAZymes) at both class and family levels. Investigation of abundant activities in the secretomes for each substrate revealed similar variation but also a high abundance of "unknown" proteins in all conditions investigated. Fluorescence-based and chemical proteomic ABPP of secreted cellulases, xylanases, and β-glucosidases applied to secretomes from multiple growth substrates for the first time confirmed highly adaptive time- and substrate-dependent glycoside hydrolase production by this fungus. P. putredinis NO1 is a promising new candidate for the identification of enzymes suited to the degradation of recalcitrant lignocellulosic feedstocks. The investigation of proteomes from the biomass bound and culture supernatant fractions provides a more complete picture of a fungal lignocellulose-degrading response. An in-depth understanding of this varied response will enhance efforts toward the development of tailored enzyme systems for use in biorefining.IMPORTANCEThe ability of the lignocellulose-degrading fungus Parascedosporium putredinis NO1 to tailor its secreted enzymes to different sources of plant biomass was revealed here. Through a combination of proteomic, bioinformatic, and fluorescent labeling techniques, remarkable variation was demonstrated in the secreted enzyme response for this ascomycete when grown on multiple lignocellulosic substrates. The maintenance of this variation over time when exploring hydrolytic polysaccharide-active enzymes through fluorescent labeling, suggests that this variation results from an actively tailored secretome response based on substrate. Understanding the tailored secretomes of wood-degrading fungi, especially from underexplored and poorly represented families, will be important for the development of effective substrate-tailored treatments for the conversion and valorization of lignocellulose.
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Affiliation(s)
- Conor J R Scott
- Centre for Novel Agricultural Products, Department of Biology, University of York, York, United Kingdom
| | - Nicholas G S McGregor
- York Structural Biology Laboratory, Department of Chemistry, The University of York, York, United Kingdom
| | - Daniel R Leadbeater
- Centre for Novel Agricultural Products, Department of Biology, University of York, York, United Kingdom
| | - Nicola C Oates
- Centre for Novel Agricultural Products, Department of Biology, University of York, York, United Kingdom
| | - Janina Hoßbach
- Centre for Novel Agricultural Products, Department of Biology, University of York, York, United Kingdom
| | - Amira Abood
- Centre for Novel Agricultural Products, Department of Biology, University of York, York, United Kingdom
| | - Alexander Setchfield
- Centre for Novel Agricultural Products, Department of Biology, University of York, York, United Kingdom
| | - Adam Dowle
- Bioscience Technology Facility, Department of Biology, University of York, York, United Kingdom
| | | | - Gideon J Davies
- York Structural Biology Laboratory, Department of Chemistry, The University of York, York, United Kingdom
| | - Neil C Bruce
- Centre for Novel Agricultural Products, Department of Biology, University of York, York, United Kingdom
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2
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Ben Hadj Hmida B, Ben Mabrouk S, Fendri A, Hmida-Sayari A, Sayari A. Optimization of newly isolated Bacillus cereus α-amylase production using orange peels and crab shells and application in wastewater treatment. 3 Biotech 2024; 14:119. [PMID: 38524238 PMCID: PMC10959860 DOI: 10.1007/s13205-024-03962-3] [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: 11/23/2023] [Accepted: 02/22/2024] [Indexed: 03/26/2024] Open
Abstract
A newly isolated amylolytic strain was identified as Bacillus cereus spH1 based on 16S and 16-23S gene sequencing (Accession numbers OP811441.1 and OP819558, respectively), optimization strategies, using one variable at time (OVAT) and Plackett-Burman design, were employed to improve the alpha-amylase (α-amylase) production. Condition inferred revealed that the optimal physical parameters for maximum enzyme production were 30 °C, pH 7.5, and 12 h of incubation, using tryptone, malt extract, orange (Citrus sinensis) peels, crab (Portunus segnis) shells, calcium, and sodium chloride (NaCl) as culture medium. The full factorial design (FFD) model was observed to possess a predicted R2 and adjusted R2 values of 0.9788 and 0.9862, respectively, and it can effectively predict the response variables (p = 0). Following such efforts, α-amylase activity was increased 141.6-folds, ranging from 0.06 to 8.5 U/mL. The ideal temperature and pH for the crude enzyme activity were 65 °C and 7.5, respectively. The enzyme exhibited significant stability, with residual activity over 90% at 55 °C. The maltose was the only product generated during the starch hydrolysis. Moreover, the Bacillus cereus spH1 strain and its α-amylase were used in the treatment of effluents from the pasta industry. Germination index percentages of 143% and 139% were achieved when using the treated effluent with α-amylase and the strain, respectively. This work proposes the valorization of agro-industrial residues to improve enzyme production and to develop a green and sustainable approach that holds great promise for environmental and economic challenges.
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Affiliation(s)
- Bouthaina Ben Hadj Hmida
- Laboratoire de Biochimie et de Génie Enzymatique des Lipases (LBGEL), ENIS, University of Sfax, Route Soukra, 3038 Sfax, Tunisia
| | - Sameh Ben Mabrouk
- Laboratoire de Biochimie et de Génie Enzymatique des Lipases (LBGEL), ENIS, University of Sfax, Route Soukra, 3038 Sfax, Tunisia
| | - Ahmed Fendri
- Laboratoire de Biochimie et de Génie Enzymatique des Lipases (LBGEL), ENIS, University of Sfax, Route Soukra, 3038 Sfax, Tunisia
| | - Aïda Hmida-Sayari
- Laboratoire de Biotechnologie Microbienne et d’Ingénierie des Enzymes (LBMIE), Centre de Biotechnologie de Sfax (CBS), University of Sfax, Route Sidi Mansour, 3018 Sfax, Tunisia
| | - Adel Sayari
- Laboratoire de Biochimie et de Génie Enzymatique des Lipases (LBGEL), ENIS, University of Sfax, Route Soukra, 3038 Sfax, Tunisia
- Department of Biological Sciences, College of Science, University of Jeddah, 23890 Jeddah, Saudi Arabia
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Ashcroft E, Munoz-Munoz J. A review of the principles and biotechnological applications of glycoside hydrolases from extreme environments. Int J Biol Macromol 2024; 259:129227. [PMID: 38185295 DOI: 10.1016/j.ijbiomac.2024.129227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 12/27/2023] [Accepted: 01/02/2024] [Indexed: 01/09/2024]
Abstract
It is apparent that Biocatalysts are shaping the future by providing a more sustainable approach to established chemical processes. Industrial processes rely heavily on the use of toxic compounds and high energy or pH reactions, factors that both contributes to the worsening climate crisis. Enzymes found in bacterial systems and other microorganisms, from the glaciers of the Arctic to the sandy deserts of Abu Dhabi, provide key tools and understanding as to how we can progress in the biotechnology sector. These extremophilic bacteria harness the adaptive enzymes capable of withstanding harsh reaction conditions in terms of stability and reactivity. Carbohydrate-active enzymes, including glycoside hydrolases or carbohydrate esterases, are extremely beneficial for the presence and future of biocatalysis. Their involvement in the industry spans from laundry detergents to paper and pulp treatment by degrading oligo/polysaccharides into their monomeric products in almost all detrimental environments. This includes exceedingly high temperatures, pHs or even in the absence of water. In this review, we discuss the structure and function of different glycoside hydrolases from extremophiles, and how they can be applied to industrial-scale reactions to replace the use of harsh chemicals, reduce waste, or decrease energy consumption.
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Affiliation(s)
- Ellie Ashcroft
- Microbial Enzymology Lab, Department of Applied Sciences, Ellison Building A, Northumbria University, Newcastle Upon Tyne NE1 8ST, United Kingdom.
| | - Jose Munoz-Munoz
- Microbial Enzymology Lab, Department of Applied Sciences, Ellison Building A, Northumbria University, Newcastle Upon Tyne NE1 8ST, United Kingdom.
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Zhou W, Pan Y, Liu Y, Liang Q, Zhou D, Wu A, Shu W, Yu W. A novel turn-on fluorescent probe for detection of pH in extremely acidic environment and its application. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123203. [PMID: 37523848 DOI: 10.1016/j.saa.2023.123203] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 07/18/2023] [Accepted: 07/21/2023] [Indexed: 08/02/2023]
Abstract
A water-soluble turn-on fluorescent probe PNAP for pH has been designed and synthesized. PNAP was consist of pyrene as fluorophore and morpholine as receptor. Owing to the photoinduced electron transfer (PET) effect, the fluorescence of PNAP was quenched, while PNAP exhibited a remarkable "turn-on" fluorescence with the increase of acidity. Notably for its pKa of 2.15, PNAP was one of the pH fluorescent probes used in extremely acidic environments. Furthermore, PNAP also displayed good repeatability, strong anti-ion interference ability, high sensitivity and selectivity toward pH. In addition, PNAP has been successfully applied to the test strips and monitor the pH of environment water samples and realistic samples, showing its good promising prospect.
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Affiliation(s)
- Wu Zhou
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, Jingzhou 434023, PR China
| | - Yuanjiang Pan
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, Jingzhou 434023, PR China
| | - Yuxuan Liu
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, Jingzhou 434023, PR China
| | - Qingxiang Liang
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, Jingzhou 434023, PR China
| | - Dongkui Zhou
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, Jingzhou 434023, PR China
| | - Aibin Wu
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, Jingzhou 434023, PR China; Unconventional Oil and Gas Collaborative Innovation Center, Yangtze University, Hubei, Jingzhou 434023, PR China; Hubei Engineering Research Centers for Clean Production and Pollution Control of Oil and Gas Fields, Yangtze University, Hubei, Jingzhou 434023, PR China.
| | - Wenming Shu
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, Jingzhou 434023, PR China
| | - Weichu Yu
- School of Chemistry and Environmental Engineering, Yangtze University, Hubei, Jingzhou 434023, PR China; Unconventional Oil and Gas Collaborative Innovation Center, Yangtze University, Hubei, Jingzhou 434023, PR China; Hubei Engineering Research Centers for Clean Production and Pollution Control of Oil and Gas Fields, Yangtze University, Hubei, Jingzhou 434023, PR China.
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Ali MY, Liaqat F, Khazi MI, Sethupathy S, Zhu D. Utilization of glycosyltransferases as a seamless tool for synthesis and modification of the oligosaccharides-A review. Int J Biol Macromol 2023; 249:125916. [PMID: 37527764 DOI: 10.1016/j.ijbiomac.2023.125916] [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: 03/11/2023] [Revised: 07/16/2023] [Accepted: 07/18/2023] [Indexed: 08/03/2023]
Abstract
Glycosyltransferases (GTs) catalyze the transfer of active monosaccharide donors to carbohydrates to create a wide range of oligosaccharide structures. GTs display strong regioselectivity and stereoselectivity in producing glycosidic bonds, making them extremely valuable in the in vitro synthesis of oligosaccharides. The synthesis of oligosaccharides by GTs often gives high yields; however, the enzyme activity may experience product inhibition. Additionally, the higher cost of nucleotide sugars limits the usage of GTs for oligosaccharide synthesis. In this review, we comprehensively discussed the structure and mechanism of GTs based on recent literature and the CAZY website data. To provide innovative ideas for the functional studies of GTs, we summarized several remarkable characteristics of GTs, including folding, substrate specificity, regioselectivity, donor sugar nucleotides, catalytic reversibility, and differences between GTs and GHs. In particular, we highlighted the recent advancements in multi-enzyme cascade reactions and co-immobilization of GTs, focusing on overcoming problems with product inhibition and cost issues. Finally, we presented various types of GT that have been successfully used for oligosaccharide synthesis. We concluded that there is still an opportunity for improvement in enzymatically produced oligosaccharide yield, and future research should focus on improving the yield and reducing the production cost.
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Affiliation(s)
- Mohamad Yassin Ali
- Biofuels Institute, School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China; Department of Biochemistry, Faculty of Agriculture, Fayoum University, Fayoum 63514, Egypt
| | - Fakhra Liaqat
- Biofuels Institute, School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Mahammed Ilyas Khazi
- Biofuels Institute, School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Sivasamy Sethupathy
- Biofuels Institute, School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Daochen Zhu
- Biofuels Institute, School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China.
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Rekadwad BN, Li WJ, Gonzalez JM, Punchappady Devasya R, Ananthapadmanabha Bhagwath A, Urana R, Parwez K. Extremophiles: the species that evolve and survive under hostile conditions. 3 Biotech 2023; 13:316. [PMID: 37637002 PMCID: PMC10457277 DOI: 10.1007/s13205-023-03733-6] [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: 11/25/2022] [Accepted: 06/26/2023] [Indexed: 08/29/2023] Open
Abstract
Extremophiles possess unique cellular and molecular mechanisms to assist, tolerate, and sustain their lives in extreme habitats. These habitats are dominated by one or more extreme physical or chemical parameters that shape existing microbial communities and their cellular and genomic features. The diversity of extremophiles reflects a long list of adaptations over millions of years. Growing research on extremophiles has considerably uncovered and increased our understanding of life and its limits on our planet. Many extremophiles have been greatly explored for their application in various industrial processes. In this review, we focused on the characteristics that microorganisms have acquired to optimally thrive in extreme environments. We have discussed cellular and molecular mechanisms involved in stability at respective extreme conditions like thermophiles, psychrophiles, acidophiles, barophiles, etc., which highlight evolutionary aspects and the significance of extremophiles for the benefit of mankind.
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Affiliation(s)
- Bhagwan Narayan Rekadwad
- Present Address: Division of Microbiology and Biotechnology, Yenepoya Research Centre, Yenepoya (Deemed to be University), University Road, Deralakatte, Mangalore, 575018 Karnataka India
- National Centre for Microbial Resource (NCMR), DBT-National Centre for Cell Science (DBT-NCCS), Savitribai Phule Pune University Campus, Ganeshkhind Road, Pune, 411007 Maharashtra India
- Institute of Bioinformatics and Biotechnology (IBB), Savitribai Phule Pune University (SPPU), Ganeshkhind Road, Pune, 411007 Maharashtra India
| | - Wen-Jun Li
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources and Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), School of Life Sciences, Sun Yat-Sen University, Guangzhou, 510275 People’s Republic of China
| | - Juan M. Gonzalez
- Microbial Diversity and Microbiology of Extreme Environments Research Group, Agencia Estatal Consejo Superior De Investigaciones Científicas, IRNAS-CSIC, Avda. Reina Mercedes, 10, 41012 Seville, Spain
| | - Rekha Punchappady Devasya
- Present Address: Division of Microbiology and Biotechnology, Yenepoya Research Centre, Yenepoya (Deemed to be University), University Road, Deralakatte, Mangalore, 575018 Karnataka India
| | - Arun Ananthapadmanabha Bhagwath
- Present Address: Division of Microbiology and Biotechnology, Yenepoya Research Centre, Yenepoya (Deemed to be University), University Road, Deralakatte, Mangalore, 575018 Karnataka India
- Yenepoya Institute of Arts, Science, Commerce and Management, A Constituent Unit of Yenepoya (Deemed to be University), Yenepoya Complex, Balmatta, Mangalore, 575002 Karnataka India
| | - Ruchi Urana
- Department of Environmental Science and Engineering, Faculty of Environmental and Bio Sciences and Technology, Guru Jambheshwar University of Science and Technology, Hisar, Haryana 125001 India
| | - Khalid Parwez
- Department of Microbiology, Shree Narayan Medical Institute and Hospital, Saharsa, Bihar 852201 India
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7
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Iacono R, De Lise F, Moracci M, Cobucci-Ponzano B, Strazzulli A. Glycoside hydrolases from (hyper)thermophilic archaea: structure, function, and applications. Essays Biochem 2023; 67:731-751. [PMID: 37341134 DOI: 10.1042/ebc20220196] [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: 02/28/2023] [Revised: 04/19/2023] [Accepted: 05/31/2023] [Indexed: 06/22/2023]
Abstract
(Hyper)thermophilic archaeal glycosidases are enzymes that catalyze the hydrolysis of glycosidic bonds to break down complex sugars and polysaccharides at high temperatures. These enzymes have an unique structure that allows them to remain stable and functional in extreme environments such as hot springs and hydrothermal vents. This review provides an overview of the current knowledge and milestones on the structures and functions of (hyper)thermophilic archaeal glycosidases and their potential applications in various fields. In particular, this review focuses on the structural characteristics of these enzymes and how these features relate to their catalytic activity by discussing different types of (hyper)thermophilic archaeal glycosidases, including β-glucosidases, chitinase, cellulases and α-amylases, describing their molecular structures, active sites, and mechanisms of action, including their role in the hydrolysis of carbohydrates. By providing a comprehensive overview of (hyper)thermophilic archaeal glycosidases, this review aims to stimulate further research into these fascinating enzymes.
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Affiliation(s)
- Roberta Iacono
- Department of Biology, University of Naples "Federico II", Complesso Universitario Di Monte S. Angelo, Via Cupa Nuova Cinthia 21, Naples, 80126, Italy
| | - Federica De Lise
- Institute of Biosciences and BioResources, National Research Council of Italy, Via P. Castellino 111, Naples, 80131, Italy
| | - Marco Moracci
- Department of Biology, University of Naples "Federico II", Complesso Universitario Di Monte S. Angelo, Via Cupa Nuova Cinthia 21, Naples, 80126, Italy
- Institute of Biosciences and BioResources, National Research Council of Italy, Via P. Castellino 111, Naples, 80131, Italy
- Task Force on Microbiome Studies, University of Naples Federico II, 80100 Naples, Italy
- NBFC, National Biodiversity Future Center, 90133 Palermo, Italy
| | - Beatrice Cobucci-Ponzano
- Institute of Biosciences and BioResources, National Research Council of Italy, Via P. Castellino 111, Naples, 80131, Italy
| | - Andrea Strazzulli
- Department of Biology, University of Naples "Federico II", Complesso Universitario Di Monte S. Angelo, Via Cupa Nuova Cinthia 21, Naples, 80126, Italy
- Task Force on Microbiome Studies, University of Naples Federico II, 80100 Naples, Italy
- NBFC, National Biodiversity Future Center, 90133 Palermo, Italy
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Tran TNA, Son JS, Awais M, Ko JH, Yang DC, Jung SK. β-Glucosidase and Its Application in Bioconversion of Ginsenosides in Panax ginseng. Bioengineering (Basel) 2023; 10:bioengineering10040484. [PMID: 37106671 PMCID: PMC10136122 DOI: 10.3390/bioengineering10040484] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/13/2023] [Accepted: 04/15/2023] [Indexed: 04/29/2023] Open
Abstract
Ginsenosides are a group of bioactive compounds isolated from Panax ginseng. Conventional major ginsenosides have a long history of use in traditional medicine for both illness prevention and therapy. Bioconversion processes have the potential to create new and valuable products in pharmaceutical and biological activities, making them both critical for research and highly economic to implement. This has led to an increase in the number of studies that use major ginsenosides as a precursor to generate minor ones using β-glucosidase. Minor ginsenosides may also have useful properties but are difficult to isolate from raw ginseng because of their scarcity. Bioconversion processes have the potential to create novel minor ginsenosides from the more abundant major ginsenoside precursors in a cost-effective manner. While numerous bioconversion techniques have been developed, an increasing number of studies have reported that β-glucosidase can effectively and specifically generate minor ginsenosides. This paper summarizes the probable bioconversion mechanisms of two protopanaxadiol (PPD) and protopanaxatriol (PPT) types. Other high-efficiency and high-value bioconversion processes using complete proteins isolated from bacterial biomass or recombinant enzymes are also discussed in this article. This paper also discusses the various conversion and analysis methods and their potential applications. Overall, this paper offers theoretical and technical foundations for future studies that will be both scientifically and economically significant.
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Affiliation(s)
- Thi Ngoc Anh Tran
- Graduate School of Biotechnology, College of Life Science, Kyung Hee University, Yongin 17104, Republic of Korea
- Department of Plant & Environmental New Resources, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Jin-Sung Son
- Graduate School of Biotechnology, College of Life Science, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Muhammad Awais
- Graduate School of Biotechnology, College of Life Science, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Jae-Heung Ko
- Department of Plant & Environmental New Resources, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Deok Chun Yang
- Graduate School of Biotechnology, College of Life Science, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Seok-Kyu Jung
- Department of Horticulture, Kongju National University, Yesan 32439, Republic of Korea
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Moopantakath J, Imchen M, Anju VT, Busi S, Dyavaiah M, Martínez-Espinosa RM, Kumavath R. Bioactive molecules from haloarchaea: Scope and prospects for industrial and therapeutic applications. Front Microbiol 2023; 14:1113540. [PMID: 37065149 PMCID: PMC10102575 DOI: 10.3389/fmicb.2023.1113540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 03/14/2023] [Indexed: 04/03/2023] Open
Abstract
Marine environments and salty inland ecosystems encompass various environmental conditions, such as extremes of temperature, salinity, pH, pressure, altitude, dry conditions, and nutrient scarcity. The extremely halophilic archaea (also called haloarchaea) are a group of microorganisms requiring high salt concentrations (2–6 M NaCl) for optimal growth. Haloarchaea have different metabolic adaptations to withstand these extreme conditions. Among the adaptations, several vesicles, granules, primary and secondary metabolites are produced that are highly significant in biotechnology, such as carotenoids, halocins, enzymes, and granules of polyhydroxyalkanoates (PHAs). Among halophilic enzymes, reductases play a significant role in the textile industry and the degradation of hydrocarbon compounds. Enzymes like dehydrogenases, glycosyl hydrolases, lipases, esterases, and proteases can also be used in several industrial procedures. More recently, several studies stated that carotenoids, gas vacuoles, and liposomes produced by haloarchaea have specific applications in medicine and pharmacy. Additionally, the production of biodegradable and biocompatible polymers by haloarchaea to store carbon makes them potent candidates to be used as cell factories in the industrial production of bioplastics. Furthermore, some haloarchaeal species can synthesize nanoparticles during heavy metal detoxification, thus shedding light on a new approach to producing nanoparticles on a large scale. Recent studies also highlight that exopolysaccharides from haloarchaea can bind the SARS-CoV-2 spike protein. This review explores the potential of haloarchaea in the industry and biotechnology as cellular factories to upscale the production of diverse bioactive compounds.
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Affiliation(s)
- Jamseel Moopantakath
- Department of Genomic Science, School of Biological Sciences, Central University of Kerala, Kerala, India
| | - Madangchanok Imchen
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry, India
| | - V. T. Anju
- Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Puducherry, India
| | - Siddhardha Busi
- Department of Microbiology, School of Life Sciences, Pondicherry University, Puducherry, India
| | - Madhu Dyavaiah
- Department of Biochemistry and Molecular Biology, School of Life Sciences, Pondicherry University, Puducherry, India
| | - Rosa María Martínez-Espinosa
- Biochemistry, Molecular Biology, Edaphology and Agricultural Chemistry Department, Faculty of Sciences, University of Alicante, Alicante, Spain
- Multidisciplinary Institute for Environmental Studies “Ramón Margalef”, University of Alicante, Alicante, Spain
- Rosa María Martínez-Espinosa,
| | - Ranjith Kumavath
- Department of Genomic Science, School of Biological Sciences, Central University of Kerala, Kerala, India
- Department of Biotechnology, School of Life Sciences, Pondicherry University, Puducherry, India
- *Correspondence: Ranjith Kumavath, ,
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Sharif S, Shah AH, Fariq A, Jannat S, Rasheed S, Yasmin A. Optimization of amylase production using response surface methodology from newly isolated thermophilic bacteria. Heliyon 2023; 9:e12901. [PMID: 36747954 PMCID: PMC9898621 DOI: 10.1016/j.heliyon.2023.e12901] [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: 06/20/2022] [Revised: 01/05/2023] [Accepted: 01/06/2023] [Indexed: 01/20/2023] Open
Abstract
Present study was aimed at screening and characterizing thermostable amylase-producing bacteria from water and sediment samples of unexplored hot spring of Tatta Pani Kotli Azad Kashmir. Four thermophilic isolates were characterized on morphological, biochemical, physiological basis and were authenticated by molecular analysis. By 16S rDNA sequencing, isolates were identified as Anoxybacillus mongoliensis (MBT001), Anoxybacillus flavithermus (MBT002), Bacillus (MBT004). Among all identified strains, MBT003 showed maximum homology with both Anoxybacillus mongoliensis and Anoxybacillus flavithermus. Amylase activity was analyzed qualitatively in starch agar and quantitatively by DNS method. The optimal enzyme production was observed and authenticated by Response Surface Methodology at 7 pH, 70 °C, 1.25% substrate concentration, 300 μL of inocula volume after 48 h of incubation. Optimum amylase activity (4.4 U/mL) and stability (3.3 U/mL) was observed with 1.5% soluble starch at 70 °C. Maximum activity (3.7 U/mL) and stability (1.5 U/mL) was found at pH 8. Enzyme activity was increased in the presence of MgSO4 and CaCl2. Amylase was stable with surfactants and commercial detergents for 30 min. Supplementation of the enzyme with commercial detergent improved the washing ability of the detergent. This investigation has revealed that these thermostable bacteria are excellent source of amylase which can be used commercially for generating economic activity on sustainable basis.
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Affiliation(s)
- Sobia Sharif
- Biotechnology Research Lab, Department of Biotechnology, University of Kotli, Azad Jammu and Kashmir, Pakistan
| | - Asad Hussain Shah
- Biotechnology Research Lab, Department of Biotechnology, University of Kotli, Azad Jammu and Kashmir, Pakistan,School of Life Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Michal Smith Building, Oxford Road Manchester, UK,Department of Biotechnology, University of Kotli, Azad Jammu and Kashmir, Pakistan,Corresponding author.School of Life Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Michal Smith Building, Oxford Road Manchester, UK.
| | - Anila Fariq
- Biotechnology Research Lab, Department of Biotechnology, University of Kotli, Azad Jammu and Kashmir, Pakistan
| | - Sammyia Jannat
- Biotechnology Research Lab, Department of Biotechnology, University of Kotli, Azad Jammu and Kashmir, Pakistan
| | - Sajida Rasheed
- Biotechnology Research Lab, Department of Biotechnology, University of Kotli, Azad Jammu and Kashmir, Pakistan
| | - Azra Yasmin
- Biotechnology Research Lab, Department of Biotechnology, University of Kotli, Azad Jammu and Kashmir, Pakistan,Department of Biotechnology, Fatima Jinnah Women University, Rawalpindi, Pakistan
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Archaea as a Model System for Molecular Biology and Biotechnology. Biomolecules 2023; 13:biom13010114. [PMID: 36671499 PMCID: PMC9855744 DOI: 10.3390/biom13010114] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/29/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023] Open
Abstract
Archaea represents the third domain of life, displaying a closer relationship with eukaryotes than bacteria. These microorganisms are valuable model systems for molecular biology and biotechnology. In fact, nowadays, methanogens, halophiles, thermophilic euryarchaeota, and crenarchaeota are the four groups of archaea for which genetic systems have been well established, making them suitable as model systems and allowing for the increasing study of archaeal genes' functions. Furthermore, thermophiles are used to explore several aspects of archaeal biology, such as stress responses, DNA replication and repair, transcription, translation and its regulation mechanisms, CRISPR systems, and carbon and energy metabolism. Extremophilic archaea also represent a valuable source of new biomolecules for biological and biotechnological applications, and there is growing interest in the development of engineered strains. In this review, we report on some of the most important aspects of the use of archaea as a model system for genetic evolution, the development of genetic tools, and their application for the elucidation of the basal molecular mechanisms in this domain of life. Furthermore, an overview on the discovery of new enzymes of biotechnological interest from archaea thriving in extreme environments is reported.
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12
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Ahmad Dar S, Abd Al Galil FM. Biodegradation, Biosynthesis, Isolation, and Applications of Chitin and Chitosan. HANDBOOK OF BIODEGRADABLE MATERIALS 2023:677-717. [DOI: 10.1007/978-3-031-09710-2_72] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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13
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Rai A, Saha SP, Manvar T, Bhattacharjee A. A shotgun approach to explore the bacterial diversity and a brief insight into the glycoside hydrolases of Samiti lake located in the Eastern Himalayas. J Genet Eng Biotechnol 2022; 20:162. [PMID: 36469176 PMCID: PMC9723087 DOI: 10.1186/s43141-022-00444-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 11/12/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND The Himalayas have always been an enigma and, being biodiversity hotspots, are considered extremely important from an ecological point of view. Recent advances in studies regarding high-altitude lakes have garnered relevant importance as these habitats could harbor potential psychrophilic and psychrotrophic microbes with bio-prospective applications. Contemplating the above scenario, the present study has been undertaken to understand the diversity and the functional capacities of the microbes thriving in this lake. RESULTS In our present study on Samiti Lake, the abundance of Proteobacteria as the major phylum was seen in both the soil and water samples. Incase of the ABSLW (water) and ABS1 (soil) sample, 148,066 and 239,754 predicted genes, were taken for functional analysis. The KEGG analysis showed that ABSLW and ABS1 had 122,911 and 160,268, genes assigned to KO terms respectively. Whereas in case of COG functional analysis, 104,334 and 130,191 genes were assigned to different COG classes for ABSLW and ABS1 respectively. Further, on studying the glycoside hydrolases, an abundance of GH13, GH2, GH3, GH43, and GH23 in both the soil and water samples were seen. CONCLUSION Our study has provided a comprehensive report about the bacterial diversity and functional capacities of microbes thriving in Samiti Lake. It has also thrown some light on the occurrence of glycoside hydrolases in this region, as they have numerous biotechnological applications in different sectors.
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Affiliation(s)
- Aditi Rai
- grid.412222.50000 0001 1188 5260Department of Microbiology, University of North Bengal, P.O. NBU, District Darjeeling, West Bengal, Pin-734013 India
| | - Shyama Prasad Saha
- grid.412222.50000 0001 1188 5260Department of Microbiology, University of North Bengal, P.O. NBU, District Darjeeling, West Bengal, Pin-734013 India
| | - Toral Manvar
- Xcelris Labs Ltd, Ahmedabad, Gujarat 380006 India
| | - Arindam Bhattacharjee
- grid.412222.50000 0001 1188 5260Department of Microbiology, University of North Bengal, P.O. NBU, District Darjeeling, West Bengal, Pin-734013 India
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14
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Sulman AM, Matveeva VG, Bronstein LM. Cellulase Immobilization on Nanostructured Supports for Biomass Waste Processing. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3796. [PMID: 36364572 PMCID: PMC9656580 DOI: 10.3390/nano12213796] [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: 10/05/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
Nanobiocatalysts, i.e., enzymes immobilized on nanostructured supports, received considerable attention because they are potential remedies to overcome shortcomings of traditional biocatalysts, such as low efficiency of mass transfer, instability during catalytic reactions, and possible deactivation. In this short review, we will analyze major aspects of immobilization of cellulase-an enzyme for cellulosic biomass waste processing-on nanostructured supports. Such supports provide high surface areas, increased enzyme loading, and a beneficial environment to enhance cellulase performance and its stability, leading to nanobiocatalysts for obtaining biofuels and value-added chemicals. Here, we will discuss such nanostructured supports as carbon nanotubes, polymer nanoparticles (NPs), nanohydrogels, nanofibers, silica NPs, hierarchical porous materials, magnetic NPs and their nanohybrids, based on publications of the last five years. The use of magnetic NPs is especially favorable due to easy separation and the nanobiocatalyst recovery for a repeated use. This review will discuss methods for cellulase immobilization, morphology of nanostructured supports, multienzyme systems as well as factors influencing the enzyme activity to achieve the highest conversion of cellulosic biowaste into fermentable sugars. We believe this review will allow for an enhanced understanding of such nanobiocatalysts and processes, allowing for the best solutions to major problems of sustainable biorefinery.
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Affiliation(s)
- Aleksandrina M. Sulman
- Department of Biotechnology, Chemistry and Standardization, Tver State Technical University, 22 A. Nikitina St., 170026 Tver, Russia
| | - Valentina G. Matveeva
- Department of Biotechnology, Chemistry and Standardization, Tver State Technical University, 22 A. Nikitina St., 170026 Tver, Russia
- Regional Technological Centre, Tver State University, Zhelyabova St., 33, 170100 Tver, Russia
| | - Lyudmila M. Bronstein
- Department of Chemistry, Indiana University, 800 E. Kirkwood Av., Bloomington, IN 47405, USA
- Department of Physics, Faculty of Science, King Abdulaziz University, P.O. Box 80303, Jeddah 21589, Saudi Arabia
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15
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Rahman MA, Heme UH, Parvez MAK. In silico functional annotation of hypothetical proteins from the Bacillus paralicheniformis strain Bac84 reveals proteins with biotechnological potentials and adaptational functions to extreme environments. PLoS One 2022; 17:e0276085. [PMID: 36228026 PMCID: PMC9560612 DOI: 10.1371/journal.pone.0276085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 09/28/2022] [Indexed: 11/26/2022] Open
Abstract
Members of the Bacillus genus are industrial cell factories due to their capacity to secrete significant quantities of biomolecules with industrial applications. The Bacillus paralicheniformis strain Bac84 was isolated from the Red Sea and it shares a close evolutionary relationship with Bacillus licheniformis. However, a significant number of proteins in its genome are annotated as functionally uncharacterized hypothetical proteins. Investigating these proteins' functions may help us better understand how bacteria survive extreme environmental conditions and to find novel targets for biotechnological applications. Therefore, the purpose of our research was to functionally annotate the hypothetical proteins from the genome of B. paralicheniformis strain Bac84. We employed a structured in-silico approach incorporating numerous bioinformatics tools and databases for functional annotation, physicochemical characterization, subcellular localization, protein-protein interactions, and three-dimensional structure determination. Sequences of 414 hypothetical proteins were evaluated and we were able to successfully attribute a function to 37 hypothetical proteins. Moreover, we performed receiver operating characteristic analysis to assess the performance of various tools used in this present study. We identified 12 proteins having significant adaptational roles to unfavorable environments such as sporulation, formation of biofilm, motility, regulation of transcription, etc. Additionally, 8 proteins were predicted with biotechnological potentials such as coenzyme A biosynthesis, phenylalanine biosynthesis, rare-sugars biosynthesis, antibiotic biosynthesis, bioremediation, and others. Evaluation of the performance of the tools showed an accuracy of 98% which represented the rationality of the tools used. This work shows that this annotation strategy will make the functional characterization of unknown proteins easier and can find the target for further investigation. The knowledge of these hypothetical proteins' potential functions aids B. paralicheniformis strain Bac84 in effectively creating a new biotechnological target. In addition, the results may also facilitate a better understanding of the survival mechanisms in harsh environmental conditions.
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Affiliation(s)
- Md. Atikur Rahman
- Institute of Microbiology, Friedrich Schiller University Jena, Thuringia, Germany
| | - Uzma Habiba Heme
- Faculty of Biological Sciences, Friedrich Schiller University Jena, Thuringia, Germany
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Ameri R, García JL, Derenfed AB, Pradel N, Neifar S, Mhiri S, Mezghanni M, Jaouadi NZ, Barriuso J, Bejar S. Genome sequence and Carbohydrate Active Enzymes (CAZymes) repertoire of the thermophilic Caldicoprobacter algeriensis TH7C1 T. Microb Cell Fact 2022; 21:91. [PMID: 35598016 PMCID: PMC9124407 DOI: 10.1186/s12934-022-01818-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 05/05/2022] [Indexed: 12/31/2022] Open
Abstract
Background Omics approaches are widely applied in the field of biology for the discovery of potential CAZymes including whole genome sequencing. The aim of this study was to identify protein encoding genes including CAZymes in order to understand glycans-degrading machinery in the thermophilic Caldicoprobacter algeriensis TH7C1T strain. Results Caldicoprobacter algeriensis TH7C1T is a thermophilic anaerobic bacterium belonging to the Firmicutes phylum, which grows between the temperatures of 55 °C and 75 °C. Next generation sequencing using Illumina technology was performed on the C. algeriensis strain resulting in 45 contigs with an average GC content of 44.9% and a total length of 2,535,023 bp. Genome annotation reveals 2425 protein-coding genes with 97 ORFs coding CAZymes. Many glycoside hydrolases, carbohydrate esterases and glycosyltransferases genes were found linked to genes encoding oligosaccharide transporters and transcriptional regulators; suggesting that CAZyme encoding genes are organized in clusters involved in polysaccharides degradation and transport. In depth analysis of CAZomes content in C. algeriensis genome unveiled 33 CAZyme gene clusters uncovering new enzyme combinations targeting specific substrates. Conclusions This study is the first targeting CAZymes repertoire of C. algeriensis, it provides insight to the high potential of identified enzymes for plant biomass degradation and their biotechnological applications. Supplementary Information The online version contains supplementary material available at 10.1186/s12934-022-01818-0.
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Affiliation(s)
- Rihab Ameri
- Laboratory of Microbial Biotechnology, Enzymatic and Biomolecules, Centre of Biotechnology of Sfax (CBS), University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia
| | - José Luis García
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas Margarita Salas, Consejo Superior de Investigaciones Científicas (CIB-CSIC), C/ Ramiro de Maeztu 9, 28040, Madrid, Spain.,IBISBA_ES_CSIC_Cell Factory_MM, Madrid, Spain
| | - Amel Bouanane Derenfed
- Laboratoire de Biologie Cellulaire et Moléculaire (Équipe de Microbiologie), Université des Sciences et de la Technologie Houari Boumédiènne, Bab Ezzouar, Algiers, Algeria
| | - Nathalie Pradel
- Université de Toulon, CNRS, IRD, MIO, Aix Marseille Univ, Marseille, France
| | - Sawssan Neifar
- Laboratory of Microbial Biotechnology, Enzymatic and Biomolecules, Centre of Biotechnology of Sfax (CBS), University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia
| | - Sonia Mhiri
- Laboratory of Microbial Biotechnology, Enzymatic and Biomolecules, Centre of Biotechnology of Sfax (CBS), University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia
| | - Monia Mezghanni
- Laboratory of Microbial Biotechnology, Enzymatic and Biomolecules, Centre of Biotechnology of Sfax (CBS), University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia
| | - Nadia Zaraî Jaouadi
- Laboratory of Microbial Biotechnology, Enzymatic and Biomolecules, Centre of Biotechnology of Sfax (CBS), University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia
| | - Jorge Barriuso
- Department of Microbial and Plant Biotechnology, Centro de Investigaciones Biológicas Margarita Salas, Consejo Superior de Investigaciones Científicas (CIB-CSIC), C/ Ramiro de Maeztu 9, 28040, Madrid, Spain.,IBISBA_ES_CSIC_Cell Factory_MM, Madrid, Spain
| | - Samir Bejar
- Laboratory of Microbial Biotechnology, Enzymatic and Biomolecules, Centre of Biotechnology of Sfax (CBS), University of Sfax, Sidi Mansour Road Km 6, P.O. Box 1177, 3018, Sfax, Tunisia.
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Ahmad Dar S, Abd Al Galil FM. Biodegradation, Biosynthesis, Isolation, and Applications of Chitin and Chitosan. HANDBOOK OF BIODEGRADABLE MATERIALS 2022:1-42. [DOI: 10.1007/978-3-030-83783-9_72-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 04/13/2022] [Indexed: 09/01/2023]
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