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Zhao J, Ma M, Zeng Z, Wan D, Yan X, Xia J, Yu P, Gong D. Production, purification, properties and current perspectives for modification and application of microbial lipases. Prep Biochem Biotechnol 2024:1-16. [PMID: 38445829 DOI: 10.1080/10826068.2024.2323196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
With the industrialization and development of modern science, the application of enzymes as green and environmentally friendly biocatalysts in industry has been increased widely. Among them, lipase (EC. 3.1.1.3) is a very prominent biocatalyst, which has the ability to catalyze the hydrolysis and synthesis of ester compounds. Many lipases have been isolated from various sources, such as animals, plants and microorganisms, among which microbial lipase is the enzyme with the most diverse enzymatic properties and great industrial application potential. It therefore has promising applications in many industries, such as food and beverages, waste treatment, biofuels, leather, textiles, detergent formulations, ester synthesis, pharmaceuticals and medicine. Although many microbial lipases have been isolated and characterized, only some of them have been commercially exploited. In order to cope with the growing industrial demands and overcome these shortcomings to replace traditional chemical catalysts, the preparation of new lipases with thermal/acid-base stability, regioselectivity, organic solvent tolerance, high activity and yield, and reusability through excavation and modification has become a hot research topic.
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Affiliation(s)
- Junxin Zhao
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang, China
- School of Food Science and Technology, Nanchang University, Nanchang, China
| | - Maomao Ma
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang, China
- School of Food Science and Technology, Nanchang University, Nanchang, China
| | - Zheling Zeng
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang, China
- School of Resource and Environmental and Chemical Engineering, Nanchang University, Nanchang, China
| | - Dongman Wan
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang, China
- School of Food Science and Technology, Nanchang University, Nanchang, China
| | - Xianghui Yan
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang, China
- School of Resource and Environmental and Chemical Engineering, Nanchang University, Nanchang, China
| | - Jiaheng Xia
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang, China
- School of Resource and Environmental and Chemical Engineering, Nanchang University, Nanchang, China
| | - Ping Yu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang, China
- School of Resource and Environmental and Chemical Engineering, Nanchang University, Nanchang, China
| | - Deming Gong
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang, China
- New Zealand Institute of Natural Medicine Research, Auckland, New Zealand
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2
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Kuan JE, Tsai CH, Chou CC, Wu C, Wu WF. Enzymatic Characterization of a Novel HSL Family IV Esterase EstD04 from Pseudomonas sp. D01 in Mealworm Gut Microbiota. Molecules 2023; 28:5410. [PMID: 37513282 PMCID: PMC10385968 DOI: 10.3390/molecules28145410] [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: 06/13/2023] [Revised: 07/06/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023] Open
Abstract
Pseudomonas sp. D01, capable of growing in tributyrin medium, was isolated from the gut microbiota of yellow mealworm. By using in silico analyses, we discovered a hypothesized esterase encoding gene in the D01 bacterium, and its encoded protein, EstD04, was classified as a bacterial hormone-sensitive lipase (bHSL) of the type IV lipase family. The study revealed that the recombinant EstD04-His(6x) protein exhibited esterase activity and broad substrate specificity, as it was capable of hydrolyzing p-nitrophenyl derivatives with different acyl chain lengths. By using the most favorable substrate p-nitrophenyl butyrate (C4), we defined the optimal temperature and pH value for EstD04 esterase activity as 40 °C and pH 8, respectively, with a catalytic efficiency (kcat/Km) of 6.17 × 103 mM-1 s-1 at 40 °C. EstD04 demonstrated high stability between pH 8 and 10, and thus, it might be capably used as an alkaline esterase in industrial applications. The addition of Mg2+ and NH4+, as well as DMSO, could stimulate EstD04 enzyme activity. Based on bioinformatic motif analyses and tertiary structural simulation, we determined EstD04 to be a typical bHSL protein with highly conserved motifs, including a triad catalytic center (Ser160, Glu253, and His283), two cap regions, hinge sites, and an oxyanion hole, which are important for the type IV enzyme activity. Moreover, the sequence analysis suggested that the two unique discrete cap regions of EstD04 may contribute to its alkali mesophilic nature, allowing EstD04 to exhibit extremely distinct physiological properties from its evolutionarily closest esterase.
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Affiliation(s)
- Jung-En Kuan
- Department of Agricultural Chemistry, College of Bio-Resource and Agriculture, National Taiwan University, Taipei 10617, Taiwan
| | - Chih-Hsuan Tsai
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, Tainan 701401, Taiwan
| | - Chun-Chi Chou
- Department of Agricultural Chemistry, College of Bio-Resource and Agriculture, National Taiwan University, Taipei 10617, Taiwan
| | - Cindy Wu
- Department of Agricultural Chemistry, College of Bio-Resource and Agriculture, National Taiwan University, Taipei 10617, Taiwan
| | - Whei-Fen Wu
- Department of Agricultural Chemistry, College of Bio-Resource and Agriculture, National Taiwan University, Taipei 10617, Taiwan
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3
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Rocha S, Rufino AT, Freitas M, Silva AMS, Carvalho F, Fernandes E. Methodologies for Assessing Pancreatic Lipase Catalytic Activity: A Review. Crit Rev Anal Chem 2023:1-28. [PMID: 37335098 DOI: 10.1080/10408347.2023.2221731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
Obesity is a disease of epidemic proportions with a concerning increasing trend. Regarded as one of the main sources of energy, lipids can also represent a big part of an unnecessary intake of calories and be, therefore, directly related to the problem of obesity. Pancreatic lipase is an enzyme that is essential in the absorption and digestion of dietary fats and has been explored as an alternative for the reduction of fat absorption and consequent weigh loss.Literature describes a great variability of methodologies and experimental conditions used in research to evaluate the in vitro inhibitory activity of compounds against pancreatic lipase. However, in an attempt to choose the best approach, it is necessary to know all the reaction conditions and understand how these can affect the enzymatic assay.The objective of this review is to understand and summarize the methodologies and respective experimental conditions that are mainly used to evaluate pancreatic lipase catalytic activity.156 studies were included in this work and a detailed description of the most commonly used UV/Vis spectrophotometric and fluorimetric instrumental techniques are presented, including a discussion regarding the differences found in the parameters used in both techniques, namely enzyme, substrate, buffer solutions, kinetics conditions, temperature and pH.This works shows that both UV/Vis spectrophotometry and fluorimetry are useful instrumental techniques for the evaluation of pancreatic lipase catalytic activity, presenting several advantages and limitations, which make the choice of parameters and experimental conditions a crucial decision to obtain the most reliable results.
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Affiliation(s)
- Sílvia Rocha
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Ana T Rufino
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Marisa Freitas
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Artur M S Silva
- LAQV, REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Félix Carvalho
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Eduarda Fernandes
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
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Rodríguez-Núñez K, López-Gallego F, Martínez R, Bernal C. Immobilized biocatalyst engineering: Biocatalytic tool to obtain attractive enzymes for industry. Int J Biol Macromol 2023; 242:125075. [PMID: 37230450 DOI: 10.1016/j.ijbiomac.2023.125075] [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: 03/21/2023] [Revised: 05/11/2023] [Accepted: 05/22/2023] [Indexed: 05/27/2023]
Abstract
Biocatalysis can improve current bioprocesses by identifying or improving enzymes that withstand harsh and unnatural operating conditions. Immobilized Biocatalyst Engineering (IBE) is a novel strategy integrating protein engineering and enzyme immobilization as a single workflow. Using IBE, it is possible to obtain immobilized biocatalysts whose soluble performance would not be selected. In this work, Bacillus subtilis lipase A (BSLA) variants obtained through IBE were characterized as soluble and immobilized biocatalysts, and how the interactions with the support affect their structure and catalytic performance were analyzed using intrinsic protein fluorescence. Variant P5G3 (Asn89Asp, Gln121Arg) showed a 2.6-fold increased residual activity after incubation at 76 °C compared to immobilized wild-type (wt) BSLA. On the other hand, variant P6C2 (Val149Ile) showed 4.4 times higher activity after incubation in 75 % isopropyl alcohol (36 °C) compared to Wt_BSLA. Furthermore, we studied the advancement of the IBE platform by performing synthesis and immobilizing the BSLA variants using a cell-free protein synthesis (CFPS) approach. The observed differences in immobilization performance, high temperature, and solvent resistance between the in vivo-produced variants and Wt_BSLA were confirmed for the in vitro synthesized enzymes. These results open the door for designing strategies integrating IBE and CFPS to generate and screen improved immobilized enzymes from genetic diversity libraries. Furthermore, it was confirmed that IBE is a platform that can be used to obtain improved biocatalysts, especially those with an unremarkable performance as soluble biocatalysts, which wouldn't be selected for immobilization and further development for specific applications.
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Affiliation(s)
- Karen Rodríguez-Núñez
- Laboratorio de Tecnología de Enzimas para Bioprocesos, Departamento de Ingeniería en Alimentos, Universidad de La Serena, Av. Raúl Bitrán 1305, 1720010 La Serena, Chile.
| | - Fernando López-Gallego
- Center for Cooperative Research in Biomaterials (CIC biomaGUNE) - Basque Research and Technology Alliance (BRTA) Paséo Miramón, 194, Donostia-San Sebastián 20014, Spain; KERBASQUE, Basque Foundation for Science, Maria Diaz de Haro 3, Bilbao, 48013, Spain
| | - Ronny Martínez
- Laboratorio de Tecnología de Enzimas para Bioprocesos, Departamento de Ingeniería en Alimentos, Universidad de La Serena, Av. Raúl Bitrán 1305, 1720010 La Serena, Chile
| | - Claudia Bernal
- Laboratorio de Tecnología de Enzimas para Bioprocesos, Departamento de Ingeniería en Alimentos, Universidad de La Serena, Av. Raúl Bitrán 1305, 1720010 La Serena, Chile; Departamento de Química, Universidad de La Serena, Benavente 980, 1720010 La Serena, Chile
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5
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van Schaick G, Pot S, Schouten O, den Hartog J, Akeroyd M, van der Hoeven R, Bijleveld W, Abello N, Wuhrer M, Olsthoorn M, Dominguez-Vega E. Evaluating the effect of glycation on lipase activity using boronate affinity chromatography and mass spectrometry. Food Chem 2023; 421:136147. [PMID: 37087987 DOI: 10.1016/j.foodchem.2023.136147] [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: 10/12/2022] [Revised: 03/07/2023] [Accepted: 04/10/2023] [Indexed: 05/03/2023]
Abstract
Protein glycation may occur naturally when reducing sugars and proteins coexist, which is often the case for industrial enzymes. The impact of post-translational modifications on enzyme performance (e.g., stability or function) is often not predictable, highlighting the importance of having appropriate analytical methodologies to monitor the influence of glycation on performance. Here, a boronate affinity chromatography method was developed to enrich glycated species followed by mass spectrometry for structural characterization and activity assays for functional assessment. This approach was applied to a (temperature-stressed) lipase used for food applications revealing that storage at -20 °C and 4 °C resulted in minor glycation (below 9%), whereas storage at 25 °C led to a higher glycation level with up to four sugars per lipase molecule. Remarkably, activity measurements revealed that glycation did not reduce lipase activity or stability. Altogether, this novel strategy is a helpful extension to the current analytical toolbox supporting development of enzyme products.
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Affiliation(s)
- Guusje van Schaick
- Leiden University Medical Center, Center for Proteomics and Metabolomics, Leiden, the Netherlands.
| | - Sanne Pot
- Leiden University Medical Center, Center for Proteomics and Metabolomics, Leiden, the Netherlands
| | - Olaf Schouten
- DSM Science & Innovation, Biodata & Translation, Center for Analytical Innovation, Delft, the Netherlands
| | - Joost den Hartog
- DSM Science & Innovation, Biodata & Translation, Center for Analytical Innovation, Delft, the Netherlands
| | - Michiel Akeroyd
- DSM Science & Innovation, Biodata & Translation, Center for Analytical Innovation, Delft, the Netherlands
| | - Rob van der Hoeven
- DSM Science & Innovation, Biodata & Translation, Center for Analytical Innovation, Delft, the Netherlands
| | - Wim Bijleveld
- DSM Science & Innovation, Biodata & Translation, Center for Analytical Innovation, Delft, the Netherlands
| | - Nicolas Abello
- DSM Science & Innovation, Biodata & Translation, Center for Analytical Innovation, Delft, the Netherlands
| | - Manfred Wuhrer
- Leiden University Medical Center, Center for Proteomics and Metabolomics, Leiden, the Netherlands
| | - Maurien Olsthoorn
- DSM Science & Innovation, Biodata & Translation, Center for Analytical Innovation, Delft, the Netherlands
| | - Elena Dominguez-Vega
- Leiden University Medical Center, Center for Proteomics and Metabolomics, Leiden, the Netherlands
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6
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Matten KJ, Hashikawa S, Harada K. Preclinical safety evaluation of Lipase OF from Candida cylindracea. J Appl Toxicol 2023; 43:517-533. [PMID: 36208425 DOI: 10.1002/jat.4403] [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: 08/19/2022] [Revised: 09/29/2022] [Accepted: 10/05/2022] [Indexed: 11/12/2022]
Abstract
Triacylglycerol lipases are enzymes commonly used to process foods and beverages such as oils, wines, and cheeses through catalyzation of long-chain triglyceride hydrolysis. Lipase OF derived from Candida cylindracea (strain MS-5-OF) is only intended for use as a processing aid in food production applications; however, it may be present at trace levels in some products. As such, the safety of Lipase OF was evaluated in this study that included a bacterial reverse mutation assay, an in vitro chromosome aberration test, and a 90-day subchronic toxicity study in rats. In the in vitro bacterial reverse mutation and chromosome aberration assays, Lipase OF was not observed to be mutagenic at concentrations up to 5000 μg/plate and 50 μg/ml, respectively, in the presence or absence of metabolic activation. Results from the 90-day subchronic toxicity study indicated only minimal adverse effects (i.e., increased platelet count and prothrombin time) in male rats from the high-dose group following administration of Lipase OF via the diet at levels of 0, 1.0, 2.5, and 5.0 w/w%. The no-observed-adverse-effect level (NOAEL) for Lipase OF was therefore considered 2.5 w/w% (1597.6 mg/kg body weight/day [1027.3 mg TOS/kg body weight/day]) in males and 5.0 w/w% (3700.4 mg/kg body weight/day [2379.4 mg TOS/kg body weight/day]) in females under the test conditions. Thus, the evidence presented within this study supports the safe use of Lipase OF as a processing aid in various food production applications for human consumption.
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Affiliation(s)
- Kevin J Matten
- Intertek Health Sciences Inc., Mississauga, Ontario, Canada
| | | | - Kazunori Harada
- Tokyo Research Laboratory, Meito Sangyo Co., Ltd., Tokyo, Japan
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7
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Umbelopsis (Mucoromycota) from Patagonia, Argentina: identification, phylogenetic analysis, and expression profiling of lipase activity and lipid accumulation in selected isolates. Mycol Prog 2023. [DOI: 10.1007/s11557-023-01866-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
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8
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Valoy A, Alarcón G, Roco J, Zampini C, Isla MI, Jerez S. A Flavonoid-rich Zuccagnia punctata Extract Prevents High Fat Diet-induced Normal Weight Obesity in a Rabbit Model. PLANTA MEDICA 2023; 89:245-253. [PMID: 35789995 DOI: 10.1055/a-1891-3588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Oral administration of rich in flavonoids hydroalcoholic extract from Zuccagnia punctata (ZpE) improves lipid profile and prevents vascular dysfunction in hypercholesterolemic rabbits. This study aimed to evaluate the ability of ZpE to prevent metabolic and vascular alterations induced by high fat diet (HFD) on a metabolically obese and normal weight rabbit model. The major components of ZpE were analyzed by HPLC method. Rabbits were separated into six groups: 1-fed on standard chow (CD); 2-fed on HFD; 3, 4, 5- fed on HFD and orally administrated 2.5 mg, 5 mg or 10 mg GAE/day of ZpE, respectively (ZpE- HFD); 6- fed on HFD and orally administered 30 mg orlistat/day (Or-HFD). All diets were administrated by 6 weeks. The major compounds of ZpE identified were chalcones: 2',4'-dihydroxy-3'-methoxychalcone and 2',4'-dihydroxychalcone. Oral treatment with ZpE 5 mg GAE/day as well as orlistat prevented the HFD-induced increase of triglycerides, fasting glucose, intraperitoneal glucose test, white cells, and TyG index. Acetylcholine relaxation was reduced in arteries from HFD group and oral administration of ZpE reached this response to CD values. Contractile response to angiotensin II was lower in arteries from rabbits fed on HFD treated with ZpE 5 and 10 mg GAE/day than those of untreated rabbits. Moreover, ZpE could inhibit the activity of pancreatic lipase in vitro and in vivo. In conclusion the ZpE may prevent normal weight obesity by inhibiting the pancreatic lipase. Thus, the use of ZpE as a natural product in the prevention of metabolic syndrome and endothelial dysfunction is very promising.
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Affiliation(s)
- Agostina Valoy
- Instituto Superior de Investigaciones Biológicas (INSIBIO, UNT-CONICET). San Miguel de Tucumán, Tucumán, Argentina
| | - Gabriela Alarcón
- Instituto Superior de Investigaciones Biológicas (INSIBIO, UNT-CONICET). San Miguel de Tucumán, Tucumán, Argentina
- Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán (UNT). San Miguel de Tucumán, Tucumán, Argentina
| | - Julieta Roco
- Instituto Superior de Investigaciones Biológicas (INSIBIO, UNT-CONICET). San Miguel de Tucumán, Tucumán, Argentina
- Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán (UNT). San Miguel de Tucumán, Tucumán, Argentina
| | - Catiana Zampini
- Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán (UNT). San Miguel de Tucumán, Tucumán, Argentina
- Instituto de Bioprospección y Fisiología Vegetal (INBIOFIV, UNT-CONICET). San Miguel de Tucumán, Tucumán, Argentina
| | - María Ines Isla
- Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán (UNT). San Miguel de Tucumán, Tucumán, Argentina
- Instituto de Bioprospección y Fisiología Vegetal (INBIOFIV, UNT-CONICET). San Miguel de Tucumán, Tucumán, Argentina
| | - Susana Jerez
- Instituto Superior de Investigaciones Biológicas (INSIBIO, UNT-CONICET). San Miguel de Tucumán, Tucumán, Argentina
- Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán (UNT). San Miguel de Tucumán, Tucumán, Argentina
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Li Y, Tan L, Liu F, Li M, Zeng S, Gui Y, Zhao Y, Wang JJ. Effects of soluble Antarctic krill protein-curcumin complex combined with photodynamic inactivation on the storage quality of shrimp. Food Chem 2023; 403:134388. [DOI: 10.1016/j.foodchem.2022.134388] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/04/2022] [Accepted: 09/20/2022] [Indexed: 12/29/2022]
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10
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Rabbani G, Ahmad E, Ahmad A, Khan RH. Structural features, temperature adaptation and industrial applications of microbial lipases from psychrophilic, mesophilic and thermophilic origins. Int J Biol Macromol 2023; 225:822-839. [PMID: 36402388 DOI: 10.1016/j.ijbiomac.2022.11.146] [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: 06/10/2022] [Revised: 11/13/2022] [Accepted: 11/14/2022] [Indexed: 11/18/2022]
Abstract
Microbial lipases are very prominent biocatalysts because of their ability to catalyze a wide variety of reactions in aqueous and non-aqueous media. Here microbial lipases from different origins (psychrophiles, mesophiles, and thermophiles) have been reviewed. This review emphasizes an update of structural diversity in temperature adaptation and industrial applications, of psychrophilic, mesophilic, and thermophilic lipases. The microbial origins of lipases are logically dynamic, proficient, and also have an extensive range of industrial uses with the manufacturing of altered molecules. It is therefore of interest to understand the molecular mechanisms of adaptation to temperature in occurring lipases. However, lipases from extremophiles (psychrophiles, and thermophiles) are widely used to design biotransformation reactions with higher yields, fewer byproducts, or useful side products and have been predicted to catalyze those reactions also, which otherwise are not possible with the mesophilic lipases. Lipases as a multipurpose biological catalyst have given a favorable vision in meeting the needs of several industries such as biodiesel, foods, and drinks, leather, textile, detergents, pharmaceuticals, and medicals.
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Affiliation(s)
- Gulam Rabbani
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202 002, India; Department of Medical Biotechnology, Yeungnam University, 280 Daehak-ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea.
| | - Ejaz Ahmad
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI 48109, United States of America
| | - Abrar Ahmad
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Rizwan Hasan Khan
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202 002, India.
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11
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Wang C, Xu P, Li X, Zheng Y, Song Z. Research progress of stimulus-responsive antibacterial materials for bone infection. Front Bioeng Biotechnol 2022; 10:1069932. [PMID: 36636700 PMCID: PMC9831006 DOI: 10.3389/fbioe.2022.1069932] [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: 10/14/2022] [Accepted: 12/09/2022] [Indexed: 12/24/2022] Open
Abstract
Infection is one of the most serious complications harmful to human health, which brings a huge burden to human health. Bone infection is one of the most common and serious complications of fracture and orthopaedic surgery. Antibacterial treatment is the premise of bone defect healing. Among all the antibacterial strategies, irritant antibacterial materials have unique advantages and the ability of targeted therapy. In this review, we focus on the research progress of irritating materials, the development of antibacterial materials and their advantages and disadvantages potential applications in bone infection.
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Affiliation(s)
| | | | | | - Yuhao Zheng
- *Correspondence: Zhiming Song, ; Yuhao Zheng,
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12
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Ng YK, Ikeno S, Kadhim Almansoori AK, Muhammad I, Abdul Rahim R. Characterization of Sphingobacterium sp. Ab3 Lipase and Its Coexpression with LEA Peptides. Microbiol Spectr 2022; 10:e0142221. [PMID: 36314920 PMCID: PMC9769720 DOI: 10.1128/spectrum.01422-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 09/23/2022] [Indexed: 12/24/2022] Open
Abstract
Sphingobacterium sp. is a yellowish Gram-negative bacterium that is usually characterized by high concentrations of sphingophospholipids as lipid components. As microbial enzymes have been in high demand in industrial fields in the past few decades, this study hopes to provide significant information on lipase activities of Sphingobacterium sp., since limited studies have been conducted on the Sphingobacterium sp. lipase. A microbe from one collected Artic soil sample, ARC4, was identified as psychrotolerant Sphingobacterium sp., and it could grow in temperatures ranging from 0°C to 24°C. The expression of Sphingobacterium sp. lipase was successfully performed through an efficient approach of utilizing mutated group 3 late embryogenesis abundant (G3LEA) proteins developed from Polypedilum vanderplanki. Purified enzyme was characterized using a few parameters, such as temperature, pH, metal ion cofactors, organic solvents, and detergents. The expressed enzyme is reported to be cold adapted and has the capability to work efficiently under neutral pH (pH 5.0 to 7.0), cofactors like Na+ ion, and the water-like solvent methanol. Addition of nonionic detergents greatly enhanced the activity of purified enzyme. IMPORTANCE The mechanism of action of LEA proteins has remained unknown to many; in this study we reveal their presence and improved protein expression due to the molecular shielding effect reported by others. This paper should be regarded as a useful example of using such proteins to influence an existing expression system to produce difficult-to-express proteins.
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Affiliation(s)
- You Kiat Ng
- School of Biological Sciences, Universiti Sains Malaysia, Penang, Malaysia
| | - Shinya Ikeno
- Department of Biological Functions and Engineering, Graduate School of Life Science and System Engineering, Kyushu Institute of Technology, Kitakyushu, Japan
| | | | - Ibrahim Muhammad
- School of Biological Sciences, Universiti Sains Malaysia, Penang, Malaysia
- Department of Science Lab. Technology, Ramat Polytechnic Maiduguri, Maiduguri, Nigeria
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13
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Identification and Optimization Study of Lipase Producing Bacteria Isolated from Municipal Waste and Bio-deteriorated Waste. JOURNAL OF PURE AND APPLIED MICROBIOLOGY 2022. [DOI: 10.22207/jpam.16.4.27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Bio-deteriorated waste is the leftover organic matter of unwanted raw food which if not handled properly or left for natural degradation can cause health issues. Microorganisms have the ability to biodegrade waste by secreting enzymes. The aim of the work was to isolate and identify lipase-producing bacteria from waste polluted (Bio-deteriorated waste and Municipal Solid Waste) dumping sites of Gandhinagar, Gujarat, India. Lipase-producing bacteria were isolated using tributyrin agar as a selective medium. Out of 7 bacterial isolates, 1 isolate (HAL-2) gave the highest lipolytic activity. HAL-2 was identified as Bacillus pumilus by 16S rRNA sequencing. The bacterial isolate gave maximum lipase activity (0.68 U/mL) at 37°C and pH 7.0 Culture medium parameters such as carbon source, nitrogen source, pH, and inoculum size were varied for the purpose of optimization. The maximum lipase production was observed at pH 7.0, 37°C temperature. Inoculum size had an effect of direct proportionality on lipase activity. Glycerol tributyrate was found to be the best substrate (0.68 U/mL). Sucrose and Tryptone in the medium increased enzyme production when compared with other carbon and nitrogen sources.
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Stemler CD, Scherf KA. Improvement of cake baking properties by lipases compared to a traditional emulsifier. Food Chem X 2022; 15:100442. [PMID: 36211741 PMCID: PMC9532760 DOI: 10.1016/j.fochx.2022.100442] [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: 07/12/2022] [Revised: 08/27/2022] [Accepted: 09/06/2022] [Indexed: 11/29/2022] Open
Abstract
Lipases can improve the baking characteristics of different cakes. In comparison to DATEM they lead to softer products and less staling. The use of eggs or yeast diminishes the improvement by lipases. Lipase activity and specificity influence the extent of improvement.
Lipases are commonly used as clean-label improvers for bread. However, their potential use in cakes with different formulations remains unknown. The aim was to analyze the effects of seven baking lipases on three different cake formulations (an eggless cake, a pound cake with eggs and a yeast-based cake) in comparison to a traditional emulsifier. Product density, water loss during baking and product texture were assessed. If and to what extent the product quality was improved depended on both the lipase and the cake formulation. Lipase-induced effects mostly exceeded those of the emulsifier and were most pronounced in formulations without intrinsic emulsifiers like eggs. The lipases differed in their extent of improvement, hinting at the importance of their specific reactivity patterns and the resulting range of interactions with macromolecules. Further research is needed to unravel the mechanistic background of baking quality improvement in cakes.
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de Oliveira TS, de Oliveira BFR, de Andrade FCC, Guimarães CR, de Godoy MG, Laport MS. Homoscleromorpha-derived Bacillus spp. as potential sources of biotechnologically-relevant hydrolases and biosurfactants. World J Microbiol Biotechnol 2022; 38:169. [PMID: 35882683 DOI: 10.1007/s11274-022-03358-6] [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: 01/13/2022] [Accepted: 07/08/2022] [Indexed: 11/29/2022]
Abstract
Despite hydrolytic exoenzymes and biosurfactants having been gradually reported from the poriferan microbiome, little is known about these bioproducts in microorganisms inhabiting Homoscleromorpha sponges. Here, we investigated the production of hydrolases and biosurfactants in bacteria isolated from three shallow-water homoscleromorph species, Oscarella sp., Plakina cyanorosea, and Plakina cabofriense. A total of 99 of 107 sponge-associated bacterial isolates exhibited activity for at least one of the analyzed hydrolases. Following fermentation in Luria-Bertani (LB) and Tryptic Soy Broth (TSB), two isolates, 80BH11 and 80B1:1010b, showed higher lipase and peptidase activities. Both of them belonged to the Bacillus genus and were isolated from Oscarella. Central composite design leveraged up the peptidase activity in 280% by Bacillus sp. 80BH11 in the TSB medium for 48 h at 30 °C. The optimized model also revealed that pH 6.5 and 45 °C were the best conditions for peptidase reaction. In addition, Bacillus sp. 80BH11 was able to release highly emulsifying and remarkably stable surfactants in the LB medium. Surfactin was finally elucidated as the biosurfactant generated by this sponge-derived Bacillus. In conclusion, we hope to have set the scenery for further prospecting of industrial enzymes and biosurfactants in Homoscleromorpha microbiomes.
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Affiliation(s)
- Thiago Silva de Oliveira
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, Rio de Janeiro, 21941-902, Brazil
| | - Bruno Francesco Rodrigues de Oliveira
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, Rio de Janeiro, 21941-902, Brazil.,Instituto Biomédico, Universidade Federal Fluminense, Rua Professor Hernani Melo, 101, São Domingos, Niterói, RJ, 24210-130, Brazil
| | - Flavia Costa Carvalho de Andrade
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, Rio de Janeiro, 21941-902, Brazil
| | - Carolina Reis Guimarães
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, Rio de Janeiro, 21941-902, Brazil.,Instituto de Química, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos, 149, Cidade Universitária, Rio de Janeiro, 21941-909, Brazil
| | - Mateus Gomes de Godoy
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, Rio de Janeiro, 21941-902, Brazil
| | - Marinella Silva Laport
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária, Rio de Janeiro, 21941-902, Brazil.
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Mondal S, Biswal D, Pal K, Rakshit S, Kumar Halder S, Mandavgane SA, Bera D, Hossain M, Chandra Mondal K. Biodeinking of waste papers using combinatorial fungal enzymes and subsequent production of butanol from effluent. BIORESOURCE TECHNOLOGY 2022; 353:127078. [PMID: 35395367 DOI: 10.1016/j.biortech.2022.127078] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 06/14/2023]
Abstract
The present study aimed to enzymatic deinking of waste papers and to valorize the effluent for biobutanol production. Application of fungal enzymatic cocktail (cellulase, amylase, xylanase, pectinase, lipase, and ligninase) on office used paper, newspaper, and ballpen written paper leading to improvement in brightness (84.91, 72.51, 76.69 % ISO), InKd (82.89, 68.95, 76.49%), κ-number (12.9, 13.6, and 13.1), opacity (27.91, 30.07, and 2.85%), tensile strength (49.24, 45.31, and 46.98 Nm/g), respectively and indices were consistent with chemical treated pulps. The quality of effluent generated during enzymatic deinking in respect to BOD and COD level was eco-friendlier than the chemical process. The enzyme-treated effluent was employed as supporting substrate for butanol (18.4 g/l) production by Clostridium acetobutylicum ATCC824. Material balance and life cycle assessment of the whole processes were evaluated to validate its industrial and environmental relevance.
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Affiliation(s)
- Subhadeep Mondal
- Center for Life Sciences, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Divyajyoti Biswal
- Visvesvaraya National Institute of Technology, Nagpur 440010, Maharashtra, India
| | - Kalyanbrata Pal
- Department of Microbiology, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Subham Rakshit
- Department of Microbiology, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Suman Kumar Halder
- Department of Microbiology, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Sachin A Mandavgane
- Visvesvaraya National Institute of Technology, Nagpur 440010, Maharashtra, India
| | - Debabrata Bera
- Food Technology & Bio-Chemical Engineering, Jadavpur University 700032, Kolkata, India
| | - Maidul Hossain
- Department of Chemistry, Vidyasagar University, Midnapore 721102, West Bengal, India
| | - Keshab Chandra Mondal
- Department of Microbiology, Vidyasagar University, Midnapore 721102, West Bengal, India.
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Voltammetric lipase activity assay based on dilinolein and a modified carbon paste electrode. Anal Bioanal Chem 2022; 414:5033-5041. [PMID: 35641640 PMCID: PMC9234029 DOI: 10.1007/s00216-022-04135-y] [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: 03/25/2022] [Revised: 05/12/2022] [Accepted: 05/16/2022] [Indexed: 12/01/2022]
Abstract
In this work, a novel electrochemical assay for characterizing both lipases and lipase inhibitors as well as for the determination of lipase activity is described. It is based on a carbon paste electrode, modified with cobalt(II)phthalocyanine, and multi-walled carbon nanotubes (MWCNTs). As reaction media, a sodium borate buffer was used (0.1 M, pH 9). The measurements were carried out in a batch system using differential pulse voltammetry (DPV) and 1,3-dilinolein as standard substrate. The activity assay showed a linearity for porcine pancreas lipase activity in a range between 20 and 300 U L−1 (per min) with a limit of detection (LOD) of 7 U L−1 and a limit of quantification (LOQ) of 20 U L−1. The kinetic behavior of the lipase reaction was investigated, resulting in a KM value of 0.29 mM. The applicability of the activity assay could be shown by investigating the activity of lipases from Aspergillus oryzae and Candida rugosa, and the results were confirmed by a reference method. The inhibitory effects were characterized with Orlistat.
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Wang X, Shan M, Zhang S, Chen X, Liu W, Chen J, Liu X. Stimuli-Responsive Antibacterial Materials: Molecular Structures, Design Principles, and Biomedical Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2104843. [PMID: 35224893 PMCID: PMC9069201 DOI: 10.1002/advs.202104843] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 01/30/2022] [Indexed: 05/03/2023]
Abstract
Infections are regarded as the most severe complication associated with human health, which are urgent to be solved. Stimuli-responsive materials are appealing therapeutic platforms for antibacterial treatments, which provide great potential for accurate theranostics. In this review, the advantages, the response mechanisms, and the key design principles of stimuli-responsive antibacterial materials are highlighted. The biomedical applications, the current challenges, and future directions of stimuli-responsive antibacterial materials are also discussed. First, the categories of stimuli-responsive antibacterial materials are comprehensively itemized based on different sources of stimuli, including external physical environmental stimuli (e.g., temperature, light, electricity, salt, etc.) and bacterial metabolites stimuli (e.g., acid, enzyme, redox, etc.). Second, structural characteristics, design principles, and biomedical applications of the responsive materials are discussed, and the underlying interrelationships are revealed. The molecular structures and design principles are closely related to the sources of stimuli. Finally, the challenging issues of stimuli-responsive materials are proposed. This review will provide scientific guidance to promote the clinical applications of stimuli-responsive antibacterial materials.
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Affiliation(s)
- Xianghong Wang
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
| | - Mengyao Shan
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
| | - Shike Zhang
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
| | - Xin Chen
- College of Food Science and EngineeringNational Engineering Research Center for Wheat & Corn Further ProcessingHenan University of TechnologyZhengzhou450001China
| | - Wentao Liu
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
| | - Jinzhou Chen
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
| | - Xuying Liu
- School of Materials Science and EngineeringThe Key Laboratory of Material Processing and Mold of Ministry of EducationHenan Key Laboratory of Advanced Nylon Materials and ApplicationZhengzhou UniversityZhengzhou450001China
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Enespa, Chandra P, Singh DP. Sources, purification, immobilization and industrial applications of microbial lipases: An overview. Crit Rev Food Sci Nutr 2022; 63:6653-6686. [PMID: 35179093 DOI: 10.1080/10408398.2022.2038076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Microbial lipase is looking for better attention with the fast growth of enzyme proficiency and other benefits like easy, cost-effective, and reliable manufacturing. Immobilized enzymes can be used repetitively and are incapable to catalyze the reactions in the system continuously. Hydrophobic supports are utilized to immobilize enzymes when the ionic strength is low. This approach allows for the immobilization, purification, stability, and hyperactivation of lipases in a single step. The diffusion of the substrate is more advantageous on hydrophobic supports than on hydrophilic supports in the carrier. These approaches are critical to the immobilization performance of the enzyme. For enzyme immobilization, synthesis provides a higher pH value as well as greater heat stability. Using a mixture of immobilization methods, the binding force between enzymes and the support rises, reducing enzyme leakage. Lipase adsorption produces interfacial activation when it is immobilized on hydrophobic support. As a result, in the immobilization process, this procedure is primarily used for a variety of industrial applications. Microbial sources, immobilization techniques, and industrial applications in the fields of food, flavor, detergent, paper and pulp, pharmaceuticals, biodiesel, derivatives of esters and amino groups, agrochemicals, biosensor applications, cosmetics, perfumery, and bioremediation are all discussed in this review.
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Affiliation(s)
- Enespa
- School for Agriculture, Sri Mahesh Prasad Post Graduate College, University of Lucknow, Lucknow, Uttar Pradesh, India
| | - Prem Chandra
- Food Microbiology & Toxicology Laboratory, Department of Microbiology, School for Environmental Sciences, Babasaheb Bhimrao Ambedkar University (A Central) University, Lucknow, Uttar Pradesh, India
| | - Devendra Pratap Singh
- Department of Environmental Science, School for Environmental Sciences, Babasaheb Bhimrao Ambedkar University (A Central) University, Lucknow, Uttar Pradesh, India
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Mukhia S, Kumar A, Kumari P, Kumar R, Kumar S. Multilocus sequence based identification and adaptational strategies of Pseudomonas sp. from the supraglacial site of Sikkim Himalaya. PLoS One 2022; 17:e0261178. [PMID: 35073328 PMCID: PMC8786180 DOI: 10.1371/journal.pone.0261178] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 11/26/2021] [Indexed: 11/18/2022] Open
Abstract
Microorganisms inhabiting the supraglacial ice are biotechnologically significant as they are equipped with unique adaptive features in response to extreme environmental conditions of high ultraviolet radiations and frequent freeze-thaw. In the current study, we obtained eleven strains of Pseudomonas from the East Rathong supraglacial site in Sikkim Himalaya that showed taxonomic ambiguity in terms of species affiliation. Being one of the most complex and diverse genera, deciphering the correct taxonomy of Pseudomonas species has always been challenging. So, we conducted multilocus sequence analysis (MLSA) using five housekeeping genes, which concluded the taxonomic assignment of these strains to Pseudomonas antarctica. This was further supported by the lesser mean genetic distances with P. antarctica (0.73%) compared to P. fluorescens (3.65%), and highest ANI value of ~99 and dDDH value of 91.2 of the representative strains with P. antarctica PAMC 27494. We examined the multi-tolerance abilities of these eleven Pseudomonas strains. Indeed the studied strains displayed significant tolerance to freezing for 96 hours compared to the mesophilic control strain, while except for four strains, seven strains exhibited noteworthy tolerance to UV-C radiations. The genome-based findings revealed many cold and radiation resistance-associated genes that supported the physiological findings. Further, the bacterial strains produced two or more cold-active enzymes in plate-based assays. Owing to the polyadaptational attributes, the strains ERGC3:01 and ERGC3:05 could be most promising for bioprospection.
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Affiliation(s)
- Srijana Mukhia
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
- Department of Microbiology, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Anil Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR- Human Resource Development Centre (CSIR-HRDC), Ghaziabad, Uttar Pradesh, India
| | - Poonam Kumari
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
| | - Rakshak Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
- * E-mail:
| | - Sanjay Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh, India
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Expression and characterization of a novel lipase from Bacillus licheniformis NCU CS-5 for application in enhancing fatty acids flavor release for low-fat cheeses. Food Chem 2022; 368:130868. [PMID: 34438173 DOI: 10.1016/j.foodchem.2021.130868] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 08/12/2021] [Accepted: 08/12/2021] [Indexed: 01/10/2023]
Abstract
A novel lipase from Bacillus licheniformis NCU CS-5 was expressed in different Escherichia coli cells. The recombinant enzyme achieved a high activity (161.74 U/mL) with protein concentration of 0.27 mg/mL under optimal conditions at the large-scale expression of 12 h. The recombinant lipase showed optimal activity at 40 ℃ and pH 10.0, and maintained more than 80% relative activity after 96 h of incubation at pH 9.0-10.0. This typical alkaline lipase was activated under medium temperature conditions (30 and 45 ℃ for 96 h). The lipase exhibited a degree of adaptability in various organic solvents and metal ions, and showed high specificity towards triglycerides with short and medium chain fatty acids. Among different substrates, the lipase showed the strongest binding affinity towards pNPP (Km = 0.674 mM, Vmax = 950.196 μM/min). In the experiments of its application in enhancing fatty acids flavor release for low-fat cheeses, the lipase was found to hydrolyze cheeses and mainly increase the contents of butyric acid, hexanoic acid, caprylic acid and decanoic acid. The results from NMR and GC provided the possibility of enhancing fatty acids flavor released from low-fat cheeses by the lipolysis method.
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22
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Banni GAHD, Nehmé R. Capillary electrophoresis for enzyme-based studies: Applications to lipases and kinases. J Chromatogr A 2021; 1661:462687. [PMID: 34864234 DOI: 10.1016/j.chroma.2021.462687] [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: 04/14/2021] [Revised: 11/05/2021] [Accepted: 11/14/2021] [Indexed: 10/19/2022]
Abstract
Capillary electrophoresis (CE) is a powerful technique continuously expanding into new application fields. One of these applications involves the study of enzymes, their catalytic activities and the alteration of this activity by specific ligands. In this review, two model enzymes, lipases and kinases, will be used since they differ substantially in their modes of action, reaction requirements and applications making them perfect subjects to demonstrate the advantages and limitations of CE-based enzymatic assays. Indeed, the ability to run CE in various operation modes and hyphenation to different detectors is essential for lipase-based studies. Additionally, the low sample consumption provided by CE promotes it as a promising technique to assay human and viral nucleoside kinases. Undeniably, these are rarely commercially available enzymes and must be frequently produced in the laboratory, a process which requires special sets of skills. CE-based lipase and kinase reactions can be performed outside the capillary (pre-capillary) where the reactants are mixed in a vial prior to their separation or, inside the capillary (in-capillary) where the reactants are mixed before the electrophoretic analysis. These enzyme-based applications of CE will be compared to those of liquid chromatography-based applications in terms of advantages and limitations. Binding assays based on affinity CE and the compelling microscale thermophoresis (MST) will be briefly presented as they allow a broad understanding of the molecular mechanism behind ligand binding and of the resulting modulation in activity.
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Affiliation(s)
- Ghassan Al Hamoui Dit Banni
- Institut de Chimie Organique et Analytique (ICOA), CNRS FR 2708 - UMR 7311, Université d'Orléans, Orléans 45067, France
| | - Reine Nehmé
- Institut de Chimie Organique et Analytique (ICOA), CNRS FR 2708 - UMR 7311, Université d'Orléans, Orléans 45067, France.
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Ortellado LE, Lisowiec LA, Quiroga-Zingaretti AE, Villalba LL, Zapata PD, Fonseca MI. Exploring novel Penicillium lipolytic activity from the Paranaense rainforest. ENVIRONMENTAL TECHNOLOGY 2021; 42:4372-4379. [PMID: 32319349 DOI: 10.1080/09593330.2020.1759697] [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: 12/04/2019] [Accepted: 04/15/2020] [Indexed: 06/11/2023]
Abstract
In this study, we evaluated the presence of lipases in twenty fungal strains of the genus Penicillium using an efficient and low-cost method with a view to an application in the treatment of cooking oil residues. The Paranaense rainforest is one of the most biodiverse places on the planet, making it the most likely site to find new fungal strains with lipolytic potential. The objective of this study was to determine the lipolytic potential and the isoenzyme profile of fungi belonging to the Penicillium genus isolated from the Paranaense rainforest. Seven fungal strains were selected using qualitative screening. Quantitative analysis revealed that the isolate Penicillium sp. LBM 088 was the best producer of lipase, reaching 1224 U mL-1 of lipolytic activity. Zymogram gels of the seven selected strains showed different enzymatic profiles: In general, the molecular mass of proteins varied from 26 to 42 kDa. Also, proteins from fungi grown on olive oil showed a higher variation in their molecular mass than proteins from fungi grown without the oil. The search for new lipase-secreting organisms should lead to the exploitation of biodiversity in the region.
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Affiliation(s)
- Laura E Ortellado
- Laboratorio de Biotecnología Molecular, Instituto de Biotecnología Misiones, Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones. Posadas, Argentina
| | - Leandro A Lisowiec
- Laboratorio de Biotecnología Molecular, Instituto de Biotecnología Misiones, Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones. Posadas, Argentina
| | - Adriana E Quiroga-Zingaretti
- Laboratorio de Biotecnología Molecular, Instituto de Biotecnología Misiones, Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones. Posadas, Argentina
| | - Laura L Villalba
- Laboratorio de Biotecnología Molecular, Instituto de Biotecnología Misiones, Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones. Posadas, Argentina
| | - Pedro D Zapata
- Laboratorio de Biotecnología Molecular, Instituto de Biotecnología Misiones, Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones. Posadas, Argentina
| | - María I Fonseca
- Laboratorio de Biotecnología Molecular, Instituto de Biotecnología Misiones, Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones. Posadas, Argentina
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Doğan M, Tekiner İH. Evaluating starter culture potential of wild Penicillium roqueforti strains from moldy cheeses of artisanal origin. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Moyses DN, Teixeira DA, Waldow VA, Freire DMG, Castro AM. Fungal and enzymatic bio-depolymerization of waste post-consumer poly(ethylene terephthalate) (PET) bottles using Penicillium species. 3 Biotech 2021; 11:435. [PMID: 34603913 DOI: 10.1007/s13205-021-02988-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 09/07/2021] [Indexed: 10/20/2022] Open
Abstract
Poly(ethylene terephthalate) (PET) is a petroleum-based plastic that is massively produced and used worldwide. A promising PET recycling process to circumvent petroleum feedstock consumption and help to reduce environmental pollution is microbial or enzymatic biodegradation of post-consumer (PC) PET packages to its monomers-terephthalic acid (TPA) and ethylene glycol (EG)-or to key intermediates in PET synthesis-such as mono- and bis-(2-hydroxyethyl) terephthalate (MHET and BHET). Two species of filamentous fungi previously characterized as lipase producers (Penicillium restrictum and P. simplicissimum) were evaluated in submerged fermentation for induction of lipase production by two inducers (BHET and amorphous PET), and for biodegradation of two substrates (BHET and PC-PET). BHET induced lipase production in P. simplicissimum, achieving a peak of 606.4 U/L at 49 h (12.38 U/L.h), representing an almost twofold increase in comparison to the highest peak in the control (without inducers). Microbial biodegradation by P. simplicissimum after 28 days led to a 3.09% mass loss on PC-PET fragments. In contrast, enzymatic PC-PET depolymerization by cell-free filtrates from a P. simplicissimum culture resulted in low concentrations of BHET, MHET and TPA (up to 9.51 µmol/L), suggesting that there are mechanisms at the organism level that enhance biodegradation. Enzymatic BHET hydrolysis revealed that P. simplicissimum extracellular enzymes catalyze the release of MHET as the predominant product. Our results show that P. simplicissimum is a promising biodegrader of PC-PET that can be further explored for monomer recovery in the context of feedstock recycling processes.
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Mohamed M, Awad HM, Mostafa ESE. Purification, catalytic, kinetic, thermodynamic characterization and stability profile of alkalophilic lipase from Streptomyces sp. SBLWN_MH2. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2021.102156] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Salaberría F, Delpino C, Palla CA, Carrín ME. Kinetic modeling of the production of fatty acids using lipases from castor bean powder as biocatalyst. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2021.08.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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29
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Yu L, Liu A, Zhang B, Kuang J, Guo X, Tian C, Lu Y. Dipolar coupling-based electron paramagnetic resonance method for protease enzymatic characterization and inhibitor screening. Chem Commun (Camb) 2021; 57:9602-9605. [PMID: 34546243 DOI: 10.1039/d1cc03301h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Herein, we report an EPR-based method for protease enzymatic characterization and inhibitor screening. This method utilizes dual paramagnetically-labeled probes consisting of a nitroxide spin probe and a Gd3+ ion flanking a peptide that could be specifically cleaved by protease caspase-3. Distance-dependent dipolar coupling between the two paramagnetic centers can be modulated by the protease cleavage activity, thus providing a straightforward and convenient method for protease activity detection using EPR spectroscopy under ambient conditions. Moreover, time-course monitoring of the protease-catalyzed cleavage reaction demonstrated that this EPR-based method could not only allow a direct quantitative enzymatic kinetic assessment, but also could be used for protease inhibitor screening, thus holding great potential in drug discovery studies.
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Affiliation(s)
- Lu Yu
- The Anhui Provincial Key Laboratory of High Field Magnetic Resonance Image, High Magnetic Field Laboratory, Chinese Academy of Science, Hefei, Anhui 230031, P. R. China.
| | - Aokun Liu
- The Anhui Provincial Key Laboratory of High Field Magnetic Resonance Image, High Magnetic Field Laboratory, Chinese Academy of Science, Hefei, Anhui 230031, P. R. China. .,The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Center for BioAnalytical Chemistry, and Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Bingbo Zhang
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Tongji University Cancer Center, The Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai, 200072, P. R. China
| | - Jian Kuang
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Center for BioAnalytical Chemistry, and Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Xiaoqi Guo
- The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Center for BioAnalytical Chemistry, and Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Changlin Tian
- The Anhui Provincial Key Laboratory of High Field Magnetic Resonance Image, High Magnetic Field Laboratory, Chinese Academy of Science, Hefei, Anhui 230031, P. R. China. .,The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Center for BioAnalytical Chemistry, and Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Yi Lu
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.
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Rajan S, de Guzman HC, Palaia T, Goldberg IJ, Hussain MM. A simple, rapid, and sensitive fluorescence-based method to assess triacylglycerol hydrolase activity. J Lipid Res 2021; 62:100115. [PMID: 34508728 PMCID: PMC8488599 DOI: 10.1016/j.jlr.2021.100115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 08/26/2021] [Accepted: 08/30/2021] [Indexed: 01/22/2023] Open
Abstract
Lipases constitute an important class of water-soluble enzymes that catalyze the hydrolysis of hydrophobic triacylglycerol (TAG). Their enzymatic activity is typically measured using multistep procedures involving isolation and quantification of the hydrolyzed products. We report here a new fluorescence method to measure lipase activity in real time that does not require the separation of substrates from products. We developed this method using adipose triglyceride lipase (ATGL) and lipoprotein lipase (LpL) as model lipases. We first incubated a source of ATGL or LpL with substrate vesicles containing nitrobenzoxadiazole (NBD)-labeled TAG, then measured increases in NBD fluorescence, and calculated enzyme activities. Incorporation of NBD-TAG into phosphatidylcholine (PC) vesicles resulted in some hydrolysis; however, incorporation of phosphatidylinositol into these NBD-TAG/PC vesicles and increasing the ratio of NBD-TAG to PC greatly enhanced substrate hydrolysis. This assay was also useful in measuring the activity of pancreatic lipase and hormone-sensitive lipase. Next, we tested several small-molecule lipase inhibitors and found that orlistat inhibits all lipases, indicating that it is a pan-lipase inhibitor. In short, we describe a simple, rapid, fluorescence-based triacylglycerol hydrolysis assay to assess four major TAG hydrolases: intracellular ATGL and hormone-sensitive lipase, LpL localized at the extracellular endothelium, and pancreatic lipase present in the intestinal lumen. The major advantages of this method are its speed, simplicity, and elimination of product isolation. This assay is potentially applicable to a wide range of lipases, is amenable to high-throughput screening to discover novel modulators of triacylglycerol hydrolases, and can be used for diagnostic purposes.
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Affiliation(s)
- Sujith Rajan
- Department of Foundations of Medicine, NYU Long Island School of Medicine, and Diabetes and Obesity Research Center, NYU Langone Hospitals - Long Island, Mineola, NY, USA
| | - Hazel C de Guzman
- Department of Foundations of Medicine, NYU Long Island School of Medicine, and Diabetes and Obesity Research Center, NYU Langone Hospitals - Long Island, Mineola, NY, USA; Department of Environmental Medicine, NYU Grossman School of Medicine, New York, NY, USA
| | - Thomas Palaia
- Department of Foundations of Medicine, NYU Long Island School of Medicine, and Diabetes and Obesity Research Center, NYU Langone Hospitals - Long Island, Mineola, NY, USA
| | - Ira J Goldberg
- Division of Endocrinology, Department of Medicine, NYU Grossman School of Medicine, New York, NY, USA
| | - M Mahmood Hussain
- Department of Foundations of Medicine, NYU Long Island School of Medicine, and Diabetes and Obesity Research Center, NYU Langone Hospitals - Long Island, Mineola, NY, USA; VA New York Harbor Healthcare System, Brooklyn, NY, USA.
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Infantes-Garcia M, Verkempinck S, Guevara-Zambrano J, Hendrickx M, Grauwet T. Development and validation of a rapid method to quantify neutral lipids by NP-HPLC-charged aerosol detector. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2021.104022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Adetunji AI, Olaniran AO. Production strategies and biotechnological relevance of microbial lipases: a review. Braz J Microbiol 2021; 52:1257-1269. [PMID: 33904151 PMCID: PMC8324693 DOI: 10.1007/s42770-021-00503-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 04/16/2021] [Indexed: 01/14/2023] Open
Abstract
Lipases are enzymes that catalyze the breakdown of lipids into long-chain fatty acids and glycerol in oil-water interface. In addition, they catalyze broad spectrum of bioconversion reactions including esterification, inter-esterification, among others in non-aqueous and micro-aqueous milieu. Lipases are universally produced from plants, animals, and microorganisms. However, lipases from microbial origin are mostly preferred owing to their lower production costs, ease of genetic manipulation etc. The secretion of these biocatalysts by microorganisms is influenced by nutritional and physicochemical parameters. Optimization of the bioprocess parameters enhanced lipase production. In addition, microbial lipases have gained intensified attention for a wide range of applications in food, detergent, and cosmetics industries as well as in environmental bioremediation. This review provides insights into strategies for production of microbial lipases for potential biotechnological applications.
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Affiliation(s)
- Adegoke Isiaka Adetunji
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville campus), Private Bag X54001, Durban, 4000, Republic of South Africa.
| | - Ademola Olufolahan Olaniran
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville campus), Private Bag X54001, Durban, 4000, Republic of South Africa
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Detection of lipase activity in rice bran with AuNPs colorimetric sensor. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2021. [DOI: 10.1007/s11694-021-00916-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Biodiversity of Actinomycetes from Heavy Metal Contaminated Technosols. Microorganisms 2021; 9:microorganisms9081635. [PMID: 34442714 PMCID: PMC8401206 DOI: 10.3390/microorganisms9081635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/28/2021] [Accepted: 07/28/2021] [Indexed: 01/02/2023] Open
Abstract
Technosols are artificial soils generated by diverse human activities and frequently contain toxic substances resulting from industrial processes. Due to lack of nutrients and extreme physico-chemical properties, they represent environments with limited bacterial colonization. Bacterial populations of technosols are dominated usually by Actinobacteria, including streptomycetes, known as a tremendous source of biotechnologically important molecules. In this study, the biodiversity of streptomycete-like isolates from several technosols, mainly mine soils and wastes (landfills and sludge) in Slovakia, was investigated. The combination of basic morphological and biochemical characterisations, including heavy metal resistance determination, and molecular approaches based on 16S rRNA gene analysis were used for the identification of the bacterial strains. From nine isolates of Actinobacteria collected from different habitats, one was found to represent a new species within the Crossiella genus. Eight other isolates were assigned to the genus Streptomyces, of which at least one could represent a new bacterial species. Some isolates showed high resistance to Pb, Zn, Cu or Ni. The most tolerated metal was Pb. The results obtained in this study indicate that technosols are a prospective source of new actinomycete species resistant to heavy metals what underlines their bioremediation potential.
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Industrial biotransformations catalyzed by microbial lipases: screening platform and commercial aspects. Folia Microbiol (Praha) 2021; 66:1009-1022. [PMID: 34318446 DOI: 10.1007/s12223-021-00900-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 07/16/2021] [Indexed: 10/20/2022]
Abstract
The successfulness of a lipase-catalyzed industrial process depends on a proper lipase selection. In this work, an alternative screening platform for industrially important biotransformations catalyzed by microbial lipases was proposed. Thus, the reactivity of sixty lipase activities from spore-forming microorganisms towards hydrolytic and transesterification reactions by using p-nitrophenyl palmitate as a chromogenic acyl donor substrate was explored. Only three biocatalysts were capable of catalyzing all reactions tested. Fourteen biocatalysts did not show hydrolytic activity at all; however, they displayed transesterification activities using ethanol, starch, low-methoxyl (LM) pectin, high-methoxyl (HM) pectin, or vitamin C as acyl acceptors. Using heat-treated biocatalysts, hydrolytic activities were not highly correlated with the corresponding transesterification activities using ethanol (r = -0.058, p = 0.660), starch (r = 0.431, p = 0.001), LM pectin (r = -0.010, p = 0.938), HM pectin (r = 0.167, p = 0.202), and vitamin C (r = -0.048, p = 0.716) as acyl acceptor. In addition, to the best of our knowledge, several transesterification activities produced from microorganisms of the genus Bacillus, Brevibacillus, Lysinibacillus, Geobacillus, or Sporosarcina were reported for first time. Finally, the global lipase market was presented and segmented by date, application, geography and player highlighting the commercial contribution of microbial lipases.
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36
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Xiang M, Wang L, Yan Q, Jiang Z, Yang S. Heterologous expression and biochemical characterization of a cold-active lipase from Rhizopus microsporus suitable for oleate synthesis and bread making. Biotechnol Lett 2021; 43:1921-1932. [PMID: 34302564 DOI: 10.1007/s10529-021-03167-1] [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: 04/13/2021] [Accepted: 07/17/2021] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Cold-active lipases which show high specific activity at low temperatures are attractive in industrial applications in terms of product stability and energy saving. We aimed to identify novel cold-active lipase suitable for oleates synthesis and bread making. RESULTS A novel lipase gene (RmLipA) from Rhizopus microsporus was cloned and heterologously expressed in Pichia pastoris. The encoding sequence displayed 75% identity to the lipase from R. niveus. The highest extracellular lipase activity of 7931 U/mL was achieved in a 5-L fermentation. The recombinant enzyme (RmLipA) was optimally active at pH 8.0 and 20-25 °C, respectively, and stable over a wide pH range of 2.0-11.0. The enzyme was a cold-active lipase, exhibiting > 80% of its maximal activity at 0 °C. RmLipA was a sn-1,3 regioselective lipase, and preferred to hydrolyze pNP esters and triglycerides with relatively long chain fatty acids. RmLipA synthesized various oleates using oleic acid and different alcohols as substrates (> 95%). Moreover, it significantly improved the quality of bread by increasing its specific volume (21.7%) and decreasing its crumb firmness (28.6%). CONCLUSIONS A novel cold-active lipase gene from R. microsporus was identified, and its application potentials were evaluated. RmLipA should be a potential candidate in oleates synthesis and bread making industries.
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Affiliation(s)
- Man Xiang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Ling Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Qiaojuan Yan
- College of Engineering, China Agricultural University, Beijing, 100083, China
| | - Zhengqiang Jiang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Shaoqing Yang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China.
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37
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A clarifying reagent and microplate-based method for the high-throughput analysis of lipase activity in milk. Eur Food Res Technol 2021. [DOI: 10.1007/s00217-021-03702-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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38
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Faraone I, Russo D, Genovese S, Milella L, Monné M, Epifano F, Fiorito S. Screening of in vitro and in silico α-amylase, α-glucosidase, and lipase inhibitory activity of oxyprenylated natural compounds and semisynthetic derivatives. PHYTOCHEMISTRY 2021; 187:112781. [PMID: 33930668 DOI: 10.1016/j.phytochem.2021.112781] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 04/10/2021] [Accepted: 04/11/2021] [Indexed: 06/12/2023]
Abstract
Metabolic syndrome has several characteristic manifestations, including insulin resistance and dyslipidaemia, that demand therapeutic approaches, such as the inhibition of enzymes involved in nutrient absorption and digestion.This study aimed to evaluate the potential pharmacological use of natural compounds widespread in the plant kingdom and their semisynthetic compounds against target enzymes. Twenty-three oxyprenylated natural compoundswere investigated for their ability to inhibit α-amylase, α-glucosidase, and pancreatic lipase enzymes by in vitro assays. Moreover, in silico molecular docking was performed to analyse their binding capabilities into 3D structures. Farnesyloxyferulic acid, geranyloxyvanillic acid, nelumal A, and geranyloxyferulic acid showed the highest inhibition activity in all three in vitro enzyme assays. Moreover, in silico molecular docking of these four compounds was used to analyse their possible binding in 3D structures of the investigated enzymes. The results indicate that these compounds have considerable therapeutic potential for the treatment of metabolic syndrome, and further studies are warranted for their pharmacological development.
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Affiliation(s)
- Immacolata Faraone
- Department of Science, University of Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy; SpinoffBioActiPlant s.r.l., via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Daniela Russo
- Department of Science, University of Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy; SpinoffBioActiPlant s.r.l., via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Salvatore Genovese
- Department of Pharmacy, University Gabriele D'Annunzio of Chieti-Pescara, Via dei Vestini 31, 66100, Chieti Scalo, CH, Italy
| | - Luigi Milella
- Department of Science, University of Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy.
| | - Magnus Monné
- Department of Science, University of Basilicata, via dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Francesco Epifano
- Department of Pharmacy, University Gabriele D'Annunzio of Chieti-Pescara, Via dei Vestini 31, 66100, Chieti Scalo, CH, Italy.
| | - Serena Fiorito
- Department of Pharmacy, University Gabriele D'Annunzio of Chieti-Pescara, Via dei Vestini 31, 66100, Chieti Scalo, CH, Italy
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He S, Wu X, Ma B, Xu Y. High specific immobilization of His-tagged recombinant Microbacterium esterase by Ni-NTA magnetic chitosan microspheres for efficient synthesis of key chiral intermediate of d-biotin. Bioprocess Biosyst Eng 2021; 44:2193-2204. [PMID: 34089090 DOI: 10.1007/s00449-021-02595-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 05/26/2021] [Indexed: 11/28/2022]
Abstract
The novel Ni-NTA-functionalized magnetic chitosan microspheres (MCS-NTA-Ni) were prepared via amino functionalization of MCS with epichlorohydrin and ethylenediamine, followed by the introduction of the aldehyde groups and NTA in turn, and nickel (II) ions were chelated in the end. MCS-NTA-Ni contained numerous long-armed NTA-Ni surface groups, ensuring high enzyme loading and providing more space and flexibility to attach enzymes and maintain their activity. This microsphere can have highly selective adsorption of his-tagged recombinant protein. The his-tagged recombinant Microbacterium esterase of E. coli BL21 (DE3)/pET21a-EstSIT01 was first immobilized on MCS-NTA-Ni by affinity fixation, giving high immobilization yield (90.1%) and enzyme loading (120 mg/g). Compared with free esterase, the immobilized esterase was found to exhibit higher pH stability and thermal stability. In addition, the immobilized esterase had excellent reusability for the synthesis of key chiral intermediate of d-biotin and the substrate conversion could still keep 100% after 8 cycles continuously.
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Affiliation(s)
- Song He
- School of Chemistry and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai, 201418, China
| | - Xiaomei Wu
- School of Chemistry and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai, 201418, China.
| | - Baodi Ma
- School of Chemistry and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai, 201418, China
| | - Yi Xu
- School of Chemistry and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai, 201418, China.
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Jasińska K, Zieniuk B, Nowak D, Fabiszewska A. Studies on the Catalytic Properties of Crude Freeze-Dried Preparations of Yarrowia lipolytica Extracellular Lipases for Geranyl Ester Derivative Synthesis. Biomolecules 2021; 11:biom11060839. [PMID: 34200103 PMCID: PMC8228730 DOI: 10.3390/biom11060839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/27/2021] [Accepted: 06/02/2021] [Indexed: 11/16/2022] Open
Abstract
The study aimed to evaluate the impact of selected factors of the freeze-drying process on the hydrolytic and synthetic activity of the extracellular lipases of Y. lipolytica KKP 379 and to attempt the use of the crude enzyme preparation as a biocatalyst in the synthesis of geranyl 4-hydroxyphenylpropanoate. Antioxidant and antibacterial properties of the geranyl ester derivative were also investigated in order to evaluate their usefulness as a novel food additive. The studies confirmed that freeze-drying was an effective method of dehydrating yeast supernatant and allowed for obtaining lyophilizates with low water activity from 0.055 to 0.160. The type and concentration of the additive (2-6% whey protein hydrolyzate, 0.5% and 1% ammonium sulphate) had a significant effect on the hydrolytic activity of enzyme preparations, while the selected variants of drying temperature during the freeze-drying process were not significant (10 °C and 50 °C). Low yield of geranyl 4-hydroxyphenylopropionate was shown when the lyophilized supernatant was used (5.3%), but the yield of ester synthesis increased when the freeze-dried Y. lipolytica yeast biomass was applied (47.9%). The study confirmed the antioxidant properties of the synthesized ester by the DPPH• and CUPRAC methods, as well as higher antibacterial activity against tested bacteria than its precursor with 0.125 mM MIC (minimal inhibitory concentration) against L. monocytogenes.
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Affiliation(s)
- Karina Jasińska
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, 159c Nowoursynowska St., 02-776 Warsaw, Poland; (K.J.); (A.F.)
| | - Bartłomiej Zieniuk
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, 159c Nowoursynowska St., 02-776 Warsaw, Poland; (K.J.); (A.F.)
- Correspondence: ; Tel.: +48-22-59-37-621
| | - Dorota Nowak
- Department of Food Engineering and Process Management, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, 159c Nowoursynowska St., 02-776 Warsaw, Poland;
| | - Agata Fabiszewska
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, 159c Nowoursynowska St., 02-776 Warsaw, Poland; (K.J.); (A.F.)
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41
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Kumar RR, Bhargava DV, Pandit K, Goswami S, Mukesh Shankar S, Singh SP, Rai GK, Tara Satyavathi C, Praveen S. Lipase - The fascinating dynamics of enzyme in seed storage and germination - A real challenge to pearl millet. Food Chem 2021; 361:130031. [PMID: 34058661 DOI: 10.1016/j.foodchem.2021.130031] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 05/04/2021] [Accepted: 05/05/2021] [Indexed: 11/18/2022]
Abstract
Pearl millet is considered as 'nutri-cereal' because of high nutrient density of the seeds. The grain has limited use because of low keeping quality of the flour due to the activities of rancidity causing enzymes like lipase, lox, pox and PPO. Among all the enzymes, lipase is most notorious because of its robust nature and high activity under different conditions. we have identified 2180 putative transcripts showing homology with different variants of lipase precursor through transcriptome data mining (NCBI BioProject acc. no. PRJNA625418). Lipase plays dual role of facilitating the germination of seeds and deteriorating the quality of the pearl millet flour through hydrolytic rancidity. Different physiochemical methods like heat treatment, micro oven, hydrothermal, etc. have been developed to inhibit lipase activity in pearl millet flour. There is further need to develop improved processing technologies to inhibit the hydrolytic and oxidative rancidity in the floor with enhanced shelf-life.
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Affiliation(s)
- Ranjeet R Kumar
- Division of Biochemistry, Indian Agricultural Research Institute, New Delhi Pin 110012, India.
| | - D V Bhargava
- Division of Biochemistry, Indian Agricultural Research Institute, New Delhi Pin 110012, India
| | - Kangkan Pandit
- Division of Biochemistry, Indian Agricultural Research Institute, New Delhi Pin 110012, India
| | - Suneha Goswami
- Division of Biochemistry, Indian Agricultural Research Institute, New Delhi Pin 110012, India
| | - S Mukesh Shankar
- Division of Genetics, Indian Agricultural Research Institute, New Delhi Pin 110012, India
| | - Sumer P Singh
- Division of Genetics, Indian Agricultural Research Institute, New Delhi Pin 110012, India
| | - Gyanendra K Rai
- Sher-e-Kashmir University of Agricultural Sciences and Technology, Jammu, Pin 180009, India
| | - C Tara Satyavathi
- All India Coordinated Research Project on Pearl Millet, Jodhpur, Rajasthan Pin 342304, India
| | - Shelly Praveen
- Division of Biochemistry, Indian Agricultural Research Institute, New Delhi Pin 110012, India.
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42
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Bredai R, Ben Romdhane I, Bouchaala I, Belghith K, Belghith H. Purification of
Bacillus licheniformis
Lipase and its Application as an Additive in Detergent for Destaining. J SURFACTANTS DETERG 2021. [DOI: 10.1002/jsde.12514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Rania Bredai
- Laboratory of Plant Biotechnology Applied to the Improvement of Cultures, Faculty of Sciences of Sfax University of Sfax PB 802 Sfax 3018 Tunisia
| | - Ines Ben Romdhane
- Laboratory of Molecular Biotechnology of Eukaryotes, Biotechnology Center of Sfax University of Sfax BP “1177” Sfax 3018 Tunisia
| | - Imen Bouchaala
- Laboratory of Plant Biotechnology Applied to the Improvement of Cultures, Faculty of Sciences of Sfax University of Sfax PB 802 Sfax 3018 Tunisia
| | - Karima Belghith
- Laboratory of Plant Biotechnology Applied to the Improvement of Cultures, Faculty of Sciences of Sfax University of Sfax PB 802 Sfax 3018 Tunisia
| | - Hafedh Belghith
- Laboratory of Molecular Biotechnology of Eukaryotes, Biotechnology Center of Sfax University of Sfax BP “1177” Sfax 3018 Tunisia
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43
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Özdemir Fİ, Tülek A, Erdoğan D. Identification and Heterologous Production of a Lipase from Geobacillus kaustophilus DSM 7263 T and Tailoring Its N-Terminal by a His-Tag Epitope. Protein J 2021; 40:436-447. [PMID: 33856621 DOI: 10.1007/s10930-021-09987-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/08/2021] [Indexed: 12/29/2022]
Abstract
Lipases are versatile biocatalysts with many biotechnological applications and the necessity of screening, production and characterization of new lipases from diverse microbial strains to meet industrial needs is constantly emerging. In this study, the lipase gene (gklip) from a thermophilic bacterium, Geobacillus kaustophilus DSM 7263 T was cloned into the pET28a ( +) vector with N-terminal 6xHis-tag. The recombinant gklip gene was heterologously expressed in host E. coli BL21 (DE3) cells and purified by Ni-NTA affinity chromatography. Histidine tag was removed from the purified 6xHistag-Gklip enzyme with thrombin enzyme and the molecular mass was determined to be approximately 43 kDa by SDS-PAGE. Gklip showed optimal activity at pH 8.0 and 50 °C. The specific hydrolytic activities against substrates were significantly increased by the removal of the His-tag. Km and kcat values of Gklip against p-nitrophenyl palmitate (pNPP, 4-nitrophenyl palmitate) as the target substrate were found to be as 1.22 mM and 417.1 min-1, respectively. Removing His-tag changed the substrate preference of the enzyme leading to maximum lipolytic activity towards C10 and C12 lipids. Similarly, the activity against coconut oil that containing 62% medium-chain fatty acids was significantly higher than other oils. Furthermore, preservation of activity in the presence of inhibitors, organic solvents support the effect of lid structure of the enzyme.
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Affiliation(s)
- F İnci Özdemir
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, 41400, Kocaeli, Turkey.
| | - Ahmet Tülek
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, 41400, Kocaeli, Turkey
| | - Davut Erdoğan
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, 41400, Kocaeli, Turkey
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Zhao J, Liu S, Gao Y, Ma M, Yan X, Cheng D, Wan D, Zeng Z, Yu P, Gong D. Characterization of a novel lipase from Bacillus licheniformis NCU CS-5 for applications in detergent industry and biodegradation of 2,4-D butyl ester. Int J Biol Macromol 2021; 176:126-136. [PMID: 33548313 DOI: 10.1016/j.ijbiomac.2021.01.214] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/29/2021] [Accepted: 01/30/2021] [Indexed: 12/13/2022]
Abstract
Enzymatic degradation has become the most promising approach to degrading organic ester compounds. In this study, Bacillus licheniformis NCU CS-5 was isolated from the spoilage of Cinnamomum camphora seed kernel, and its extracellular lipase was purified, with a specific activity of 192.98 U/mg. The lipase was found to be a trimeric protein as it showed a single band of 27 kDa in SDS-PAGE and 81 kDa in Native-PAGE. It was active in a wide range of temperatures (5-55 °C) and pH values (6.0-9.0), and the optimal temperature and pH value were 40 °C and 8.0, respectively. The enzyme was active in the presence of various organic solvents, metal ions, inhibitors and surfactants. Both crude and purified lipase retained more than 80% activity after 5 h in the presence of commercial detergents, suggesting its great application potential in detergent industry. The highest activity was found to be towards medium- and long-chain fatty acids (C6-C18). Peptide mass spectrometric analysis of the purified lipase showed similarity to the lipase family of B. licheniformis. Furthermore, it degraded more than 90% 2,4-D butyl ester to its hydrolysate 2,4-D within 24 h, indicating that the novel lipase may be applied to degrade organic ester pesticides.
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Affiliation(s)
- Junxin Zhao
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang 330031, China; School of Food Science and Technology, Nanchang University, Nanchang 330031, China
| | - Shichang Liu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang 330031, China; School of Resource and Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Yifang Gao
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang 330031, China; School of Resource and Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Maomao Ma
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang 330031, China; School of Food Science and Technology, Nanchang University, Nanchang 330031, China
| | - Xianghui Yan
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang 330031, China; School of Resource and Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Ding Cheng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang 330031, China; School of Resource and Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Dongman Wan
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang 330031, China; School of Food Science and Technology, Nanchang University, Nanchang 330031, China
| | - Zheling Zeng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang 330031, China; School of Resource and Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China.
| | - Ping Yu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang 330031, China; School of Resource and Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China.
| | - Deming Gong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Edible and Medicinal Resources Exploitation, Nanchang University, Nanchang 330031, China; New Zealand Institute of Natural Medicine Research, 8 Ha Crescent, Auckland 2104, New Zealand
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Mohamed MA, Awad HM. New lipase-producing Streptomyces isolated from halo-alkaline habitat in Wadi El Natrun: polyphasic identification and statistical optimization of enzyme production. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2021. [DOI: 10.1186/s43088-020-00090-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Bioprospecting lipase producers in non-conventional habitats are the way to find special enzymes of diverse applications. Halo-alkaline marshes in Wadi El Natrun in Egypt are some of the most stable ecological systems in the world, and because of the double extremities of alkalinity and salinity, they harbor individual microbes capable of adapting stress conditions.
Results
Eight strains were recovered from the coastline soil of Al-Beida Lake in Wadi El Natrun and have been tested for lipase production. Among the eight isolates, the strain SBLWN_MH2 was the most active producer of lipase (7.5 U/ml). The crude SBLWN_MH2 lipase showed activity over a wide pH range (3.5 to 13) with an optimum pH at 10.5, and it was able to show more than 75% of its highest activity at pH elevated up to 13. The identification using phenotypic and genotypic methods strongly indicated that the strain SBLWN_MH2 belonged to the genus Streptomyces with a similarity of 99%. Thus, it has been given the suggested name Streptomyces sp. SBLWN_MH2 (MG593538). SBLWN_MH2 produced extracellular lipase in modified starch casein medium supplemented with different oils or Tween-80, and the potential production rate has been attained in the case of linseed oil after 3 days. Further experiments have been carried out to optimize medium composition through Box-Behnken design and response surface methodology, and it was possible to achieve more than 3.5-fold increase in lipase production.
Conclusions
The present study indicates that Streptomyces sp. SBLWN_MH2 is a potential lipase producer and could be fruitfully employed in the large-scale production of highly alkaline lipase.
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Zlatev R, Stoytcheva M, Gochev V, Velkova Z, Valdez B, Montero G. Rapid disposable lipase activity sensor for automatic industrial application. BIOTECHNOL BIOTEC EQ 2021. [DOI: 10.1080/13102818.2020.1856719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Affiliation(s)
- Roumen Zlatev
- Instituto de Ingeniería, Universidad Autónoma de Baja California, Mexicali, México
| | - Margarita Stoytcheva
- Instituto de Ingeniería, Universidad Autónoma de Baja California, Mexicali, México
| | - Velizar Gochev
- Department of Biochemistry and Microbiology, Faculty of Biology, Plovdiv University “P. Hilendarski”, Plovdiv, Bulgaria
| | - Zdravka Velkova
- Department of Chemical Sciences, Faculty of Pharmacy, Medical University of Plovdiv, Plovdiv, Bulgaria
| | - Benjamín Valdez
- Instituto de Ingeniería, Universidad Autónoma de Baja California, Mexicali, México
| | - Gisela Montero
- Instituto de Ingeniería, Universidad Autónoma de Baja California, Mexicali, México
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47
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Bavandi H, Habibi Z, Yousefi M. Porcine pancreas lipase as a green catalyst for synthesis of bis-4-hydroxy coumarins. Bioorg Chem 2020; 103:104139. [DOI: 10.1016/j.bioorg.2020.104139] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 06/09/2020] [Accepted: 07/22/2020] [Indexed: 01/06/2023]
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48
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Janek T, Mirończuk AM, Rymowicz W, Dobrowolski A. High-yield expression of extracellular lipase from Yarrowia lipolytica and its interactions with lipopeptide biosurfactants: A biophysical approach. Arch Biochem Biophys 2020; 689:108475. [DOI: 10.1016/j.abb.2020.108475] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/16/2020] [Accepted: 06/17/2020] [Indexed: 12/11/2022]
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49
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Wei G, Regenstein JM, Liu X, Zhou P. Comparative aroma and taste profiles of oil furu (soybean curd) fermented with different mucor strains. J Food Sci 2020; 85:1642-1650. [PMID: 32430953 DOI: 10.1111/1750-3841.15100] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 01/24/2020] [Accepted: 02/13/2020] [Indexed: 11/30/2022]
Abstract
The effects of different mucor strains (Mucor racemosus, Actinomucor, and Mucor wutungkiao) on aroma and taste profiles based on proteolysis, lipolysis, and their catabolism in oil furu were studied. Gas chromatography-mass spectrometry and relative odor activity were used to monitor the changes of key volatile compounds and the differences in the characteristic aroma contents of oil furu. Using principal component analysis, the different fermentation strains had an effect on aroma profiles. The volatile compounds from metabolism of protein and fatty acid contributed to the aroma of oil furu with different contribution from the different strains, presumably due to their different enzymes. The electronic tongue and free amino acid profiles also showed strain differences of taste. Based on these results, optimization of the amount of each of the different mucor strains during cofermentation might achieve better flavor.
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Affiliation(s)
- Guanmian Wei
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province, 214122, China
- Joint International Research Laboratory of Food Safety, Jiangnan University, Wuxi, Jiangsu Province, 214122, China
| | | | - Xiaoming Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province, 214122, China
- Joint International Research Laboratory of Food Safety, Jiangnan University, Wuxi, Jiangsu Province, 214122, China
| | - Peng Zhou
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province, 214122, China
- Joint International Research Laboratory of Food Safety, Jiangnan University, Wuxi, Jiangsu Province, 214122, China
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50
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Souza JES, Monteiro RRC, Rocha TG, Moreira KS, Cavalcante FTT, de Sousa Braz AK, de Souza MCM, Dos Santos JCS. Sonohydrolysis using an enzymatic cocktail in the preparation of free fatty acid. 3 Biotech 2020; 10:254. [PMID: 32426206 DOI: 10.1007/s13205-020-02227-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 04/24/2020] [Indexed: 11/29/2022] Open
Abstract
In this work, the concept of lipase cocktail has been proposed in the ultrasound-assisted hydrolysis of coconut oil. Lipase from Thermomyces lanuginosus (TLL), lipase from Rhizomucor miehei (RML), and lipase B from Candida antarctica (CALB) were evaluated as biocatalysts in different combinations. The best conversion (33.66%) was achieved using only RML; however, the best lipase cocktail (75% RML and 25% CALB) proposed by the triangular response surface was used to achieve higher conversions. At the best lipase cocktail, reaction parameters [temperature, biocatalyst content and molar ratio (water/oil)] were optimized by a Central Composite Design, allowing to obtain more than 98% of conversion in the hydrolysis of coconut oil in 3 h of incubation at 37 kHz, 300 W and 45 °C by using 20% of the lipase cocktail (w/w) and a molar ratio of 7.5:1 (water/oil). The lipase cocktail retained about 50% of its initial activity after three consecutive cycles of hydrolysis. To the authors' knowledge, up to date, this communication is the first report in the literature for the ultrasound-assisted hydrolysis of coconut oil catalyzed by a cocktail of lipases. Under ultrasound irradiation, the concept of lipase cocktail was successfully applied, and this strategy could be useful for the other types of reactions using heterogeneous substrates.
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Affiliation(s)
- José E S Souza
- 1Instituto de Engenharias E Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus da Auroras, Redenção, CE 62790970 Brazil
| | - Rodolpho R C Monteiro
- 2Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 940, Fortaleza, CE 60455760 Brazil
| | - Thales G Rocha
- 1Instituto de Engenharias E Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus da Auroras, Redenção, CE 62790970 Brazil
| | - Katerine S Moreira
- 2Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 940, Fortaleza, CE 60455760 Brazil
| | - Francisco T T Cavalcante
- 2Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 940, Fortaleza, CE 60455760 Brazil
| | - Ana K de Sousa Braz
- 1Instituto de Engenharias E Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus da Auroras, Redenção, CE 62790970 Brazil
| | - Maria C M de Souza
- 1Instituto de Engenharias E Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus da Auroras, Redenção, CE 62790970 Brazil
| | - José C S Dos Santos
- 1Instituto de Engenharias E Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus da Auroras, Redenção, CE 62790970 Brazil
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