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Naveed M, Wen S, Chan MWH, Wang F, Aslam S, Yin X, Xu B, Ullah A. Expression of BSN314 lysozyme genes in Escherichia coli BL21: a study to demonstrate microbicidal and disintegarting potential of the cloned lysozyme. Braz J Microbiol 2024; 55:215-233. [PMID: 38146050 PMCID: PMC10920529 DOI: 10.1007/s42770-023-01219-4] [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: 09/09/2023] [Accepted: 12/14/2023] [Indexed: 12/27/2023] Open
Abstract
This study is an extension of our previous studies in which the lysozyme was isolated and purified from Bacillus subtilis BSN314 (Naveed et al., 2022; Naveed et al., 2023). In this study, the lysozyme genes were cloned into the E. coli BL21. For the expression of lysozyme in E. coli BL21, two target genes, Lyz-1 and Lyz-2, were ligated into the modified vector pET28a to generate pET28a-Lyz1 and pET28a-Lyz2, respectively. To increase the production rate of the enzyme, 0.5-mM concentration of IPTG was added to the culture media and incubated at 37 °C and 220 rpm for 24 h. Lyz1 was identified as N-acetylmuramoyl-L-alanine amidase and Lyz2 as D-alanyl-D-alanine carboxypeptidase. They were purified by multi-step methodology (ammonium sulfate, precipitation, dialysis, and ultrafiltration), and antimicrobial activity was determined. For Lyz1, the lowest MIC/MBC (0.25 μg/mL; with highest ZOI = 22 mm) were recorded against Micrococcus luteus, whereas the highest MIC/MBC with lowest ZOI were measured against Salmonella typhimurium (2.50 μg /mL; with ZOI = 10 mm). As compared with Aspergillus oryzae (MIC/MFC; 3.00 μg/mL), a higher concentration of lysozyme was required to control the growth of Saccharomyces cerevisiae (MIC/MFC; 50 μg/mL). Atomic force microscopy (AFM) was used to analyze the disintegrating effect of Lyz1 on the cells of selected Gram-positive bacteria, Gram-negative bacteria, and yeast. The AFM results showed that, as compared to Gram-negative bacteria, a lower concentration of lysozyme (Lyz1) was required to disintegrate the cell of Gram-positive bacteria.
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Affiliation(s)
- Muhammad Naveed
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Beijing, 100048, China
- Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University, Beijing, 100048, China
| | - Sai Wen
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Beijing, 100048, China
- Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University, Beijing, 100048, China
| | - Malik Wajid Hussain Chan
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Beijing, 100048, China.
- Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University, Beijing, 100048, China.
| | - Fenghuan Wang
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Beijing, 100048, China.
- Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University, Beijing, 100048, China.
| | - Sadar Aslam
- Department of Zoology, University of Baltistan, Skardu, Pakistan
| | - Xian Yin
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Beijing, 100048, China
- Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University, Beijing, 100048, China
| | - Baocai Xu
- Key Laboratory of Geriatric Nutrition and Health (Beijing Technology and Business University), Ministry of Education, Beijing, 100048, China
- Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University, Beijing, 100048, China
| | - Asad Ullah
- Food and Marine Resources Research Center, Pakistan Council of Scientific and Industrial Research Laboratories Complex, Karachi, 75280, Pakistan
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Cui L, Huang H, Zhang H, Wang X, Qin X, Tu T, Zhang J, Su X, Yu H, Bai Y, Luo H, Yao B, Wang Y. Recombinant expression of hen egg white lysozyme with the assistance of xylanase fusion partner in Pichia pastoris. Bioengineered 2022; 13:13860-13871. [PMID: 35726822 PMCID: PMC9275996 DOI: 10.1080/21655979.2022.2084496] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Due to its bacteriolytic activity, hen egg white lysozyme (HEWL) is widely used in the feed, food, and pharmaceutical industries. However, its application is hindered by low protein expression levels in microbial expression systems. In this work, a novel fusion protein expression strategy was proposed for increasing the expression level of HEWL. First, HEWL, fused with a highly expressed fusion protein partner xylanase XynCDBFV, is expressed in Pichia pastoris. Secondly, a linker including endogenous protease cleavage sites was introduced between two fusion proteins in order to separate them directly during the secretion process. Finally, the results show that the supernatant of XynCDBFV-HEWL has a higher HEWL expression level and activity compared with HEWL only. It should be noted that the expression of HEWL reaches to about 3.5 g/L, and the activity of HEWL against Micrococcus lysodeikticus reaches to 1.50 × 105 U/mL in a fed-batch fermentation, which is currently the highest level of recombinant expression of an egg white-derived lysozyme. Taken together, we acquired bioactive HEWL for large-scale recombinant production in Pichia pastoris using a novel fusion protein expression strategy, which could then be used for a variety of applications.
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Affiliation(s)
- Lin Cui
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Huoqing Huang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Honglian Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Xiaolu Wang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Xing Qin
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Tao Tu
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Jie Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Xiaoyun Su
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Huimin Yu
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Yingguo Bai
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Huiying Luo
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Bin Yao
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
| | - Yuan Wang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, P.R.China
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Jiang L, Li Y, Wang L, Guo J, Liu W, Meng G, Zhang L, Li M, Cong L, Sun M. Recent Insights Into the Prognostic and Therapeutic Applications of Lysozymes. Front Pharmacol 2021; 12:767642. [PMID: 34925025 PMCID: PMC8678502 DOI: 10.3389/fphar.2021.767642] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 11/10/2021] [Indexed: 01/15/2023] Open
Abstract
Lysozymes are naturally occurring enzymes present in a variety of biological organisms, such as bacteria, fungi, and animal bodily secretions and tissues. It is also the main ingredient of many ethnomedicines. It is well known that lysozymes and lysozyme-like enzymes can be used as anti-bacterial agents by degrading bacterial cell wall peptidoglycan that leads to cell death, and can also inhibit fungi, yeasts, and viruses. In addition to its direct antimicrobial activity, lysozyme is also an important component of the innate immune system in most mammals. Increasing evidence has shown the immune-modulatory effects of lysozymes against infection and inflammation. More recently, studies have revealed the anti-cancer activities of lysozyme in multiple types of tumors, potentially through its immune-modulatory activities. In this review, we summarized the major functions and underlying mechanisms of lysozymes derived from animal and plant sources. We highlighted the therapeutic applications and recent advances of lysozymes in cancers, hypertension, and viral diseases, aiming toseeking alternative therapies for standard medical treatment bypassing side effects. We also evaluated the role of lysozyme as a promising cancer marker for prognosis to indicate the outcomes recurrence for patients.
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Affiliation(s)
- Lin Jiang
- College of Laboratory Medicine, Jilin Medical University, Jilin, China
| | - Yunhe Li
- College of Laboratory Medicine, Jilin Medical University, Jilin, China
| | - Liye Wang
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston, Houston, TX, United States
| | - Jian Guo
- College of Laboratory Medicine, Jilin Medical University, Jilin, China
| | - Wei Liu
- College of Laboratory Medicine, Jilin Medical University, Jilin, China
| | - Guixian Meng
- College of Laboratory Medicine, Jilin Medical University, Jilin, China
| | - Lei Zhang
- College of Laboratory Medicine, Jilin Medical University, Jilin, China
| | - Miao Li
- Department of Neurosurgery, China-Japan Union Hospital, Jilin University, Changchun, China
| | - Lina Cong
- School of Biological Engineering, Dalian Polytechnic University, Dalian, China
| | - Meiyan Sun
- College of Laboratory Medicine, Jilin Medical University, Jilin, China
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Giovannoni M, Gramegna G, Benedetti M, Mattei B. Industrial Use of Cell Wall Degrading Enzymes: The Fine Line Between Production Strategy and Economic Feasibility. Front Bioeng Biotechnol 2020; 8:356. [PMID: 32411686 PMCID: PMC7200985 DOI: 10.3389/fbioe.2020.00356] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Accepted: 03/31/2020] [Indexed: 12/14/2022] Open
Abstract
Cell Wall Degrading Enzymes (CWDEs) are a heterogeneous group of enzymes including glycosyl-hydrolases, oxidoreductases, lyases, and esterases. Microbes with degrading activities toward plant cell wall polysaccharides are the most relevant source of CWDEs for industrial applications. These organisms secrete a wide array of CWDEs in amounts strictly necessary for their own sustenance, nonetheless the production of CWDEs from wild type microbes can be increased at large-scale by using optimized fermentation strategies. In the last decades, advances in genetic engineering allowed the expression of recombinant CWDEs also in lab-domesticated organisms such as E. coli, yeasts and plants, dramatically increasing the available options for the large-scale production of CWDEs. The optimization of a CWDE-producing biofactory is a hard challenge that biotechnologists tackle by testing different expression strategies and expression-hosts. Although both the yield and production costs are critical factors to produce biomolecules at industrial scale, these parameters are often disregarded in basic research. This review presents the main characteristics and industrial applications of CWDEs directed toward the cell wall of plants, bacteria, fungi and microalgae. Different biofactories for CWDE expression are compared in order to highlight strengths and weaknesses of each production system and how these aspects impact the final enzyme cost and, consequently, the economic feasibility of using CWDEs for industrial applications.
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Affiliation(s)
- Moira Giovannoni
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Giovanna Gramegna
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Manuel Benedetti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Benedetta Mattei
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
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Sierra LS, Dixon CK, Wilken LR. Enzymatic cell disruption of the microalgae Chlamydomonas reinhardtii for lipid and protein extraction. ALGAL RES 2017. [DOI: 10.1016/j.algal.2017.04.004] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Walczak J, Bocian S, Trziszka T, Buszewski B. Hyphenated Analytical Methods in Determination of Biologically Active Compounds in Hen's Eggs. Crit Rev Anal Chem 2016; 46:201-12. [PMID: 26186292 DOI: 10.1080/10408347.2015.1023428] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Hen's egg is a complete material needed for the development of the embryo; it is an important source of nutraceutical compounds, such as protein, fats, vitamins, trace metals, and minerals. Moreover, avian egg contains biologically active compounds that exhibit antibacterial and antimicrobial activities as well as antitumor, antiviral, antioxidant, immunomodulating, and therapeutic properties. Eggs are mostly very good sources of valuable, easily digestible proteins. This review focuses on the biologically active compounds from hen's egg and applications of these compounds in medicine and the pharmaceutical industry. Additionally, it gives an overview of the hyphenated separation techniques, including sample preparation, analysis, and identification, used in the proteomics and lipidomics analysis.
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Affiliation(s)
- Justyna Walczak
- a Department of Environmental Chemistry and Bioanalytics , Nicolaus Copernicus University , Torun , Poland
| | - Szymon Bocian
- a Department of Environmental Chemistry and Bioanalytics , Nicolaus Copernicus University , Torun , Poland
| | - Tadeusz Trziszka
- b Department of Animal Products Technology and Quality Management , Wroclaw University of Environmental and Life Sciences , Wroclaw , Poland
| | - Bogusław Buszewski
- a Department of Environmental Chemistry and Bioanalytics , Nicolaus Copernicus University , Torun , Poland
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Jiang MF, Hu MJ, Ren HH, Wang L. Molecular Cloning and Characterization of a New C-type Lysozyme Gene from Yak Mammary Tissue. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2015; 28:1774-83. [PMID: 26580446 PMCID: PMC4647087 DOI: 10.5713/ajas.15.0125] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Revised: 03/29/2015] [Accepted: 05/11/2015] [Indexed: 11/27/2022]
Abstract
Milk lysozyme is the ubiquitous enzyme in milk of mammals. In this study, the cDNA sequence of a new chicken-type (c-type) milk lysozyme gene (YML), was cloned from yak mammary gland tissue. A 444 bp open reading frames, which encodes 148 amino acids (16.54 kDa) with a signal peptide of 18 amino acids, was sequenced. Further analysis indicated that the nucleic acid and amino acid sequences identities between yak and cow milk lysozyme were 89.04% and 80.41%, respectively. Recombinant yak milk lysozyme (rYML) was produced by Escherichia coli BL21 and Pichia pastoris X33. The highest lysozyme activity was detected for heterologous protein rYML5 (M = 1,864.24 U/mg, SD = 25.75) which was expressed in P. pastoris with expression vector pPICZαA and it clearly inhibited growth of Staphylococcus aureus. Result of the YML gene expression using quantitative polymerase chain reaction showed that the YML gene was up-regulated to maximum at 30 day postpartum, that is, comparatively high YML can be found in initial milk production. The phylogenetic tree indicated that the amino acid sequence was similar to cow kidney lysozyme, which implied that the YML may have diverged from a different ancestor gene such as cow mammary glands. In our study, we suggest that YML be a new c-type lysozyme expressed in yak mammary glands that plays a role as host immunity.
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Affiliation(s)
- Ming Feng Jiang
- College of Life Science and Technology, Southwest University for Nationalities, Chengdu, Sichuan 610041, China
| | - Ming Jun Hu
- College of Life Science and Technology, Southwest University for Nationalities, Chengdu, Sichuan 610041, China ; Key Laboratory of Animal Genetics & Breeding, Southwest University for Nationalities, State Ethnic Affairs Commission and Ministry of Education, Chengdu, Sichuan 610041, China
| | - Hong Hui Ren
- College of Life Science and Technology, Southwest University for Nationalities, Chengdu, Sichuan 610041, China ; Key Laboratory of Animal Genetics & Breeding, Southwest University for Nationalities, State Ethnic Affairs Commission and Ministry of Education, Chengdu, Sichuan 610041, China
| | - Li Wang
- Key Laboratory of Animal Genetics & Breeding, Southwest University for Nationalities, State Ethnic Affairs Commission and Ministry of Education, Chengdu, Sichuan 610041, China
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Ercan D, Demirci A. Recent advances for the production and recovery methods of lysozyme. Crit Rev Biotechnol 2015; 36:1078-1088. [PMID: 26383819 DOI: 10.3109/07388551.2015.1084263] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Lysozyme is an antimicrobial peptide with a high enzymatic activity and positive charges. Therefore, it has applications in food and pharmaceutical industries as an antimicrobial agent. Lysozyme is ubiquitous in both animal and plant kingdoms. Currently, egg-white lysozyme is the most commercially available form of lysozyme. The main concerns of egg-white lysozyme are high recovery cost, low activity and most importantly the immunological problems to some people. Therefore, human lysozyme production has gained importance in recent years. Scientists have developed transgenic plants, animals and microorganisms that can produce human lysozyme. Out of these, microbial production has advantages for commercial productions, because high production levels are achievable in a relatively short time. It has been reported that fermentation parameters, such as pH, temperature, aeration, are key factors to increase the effectiveness of the human lysozyme production. Moreover, purification of the lysozyme from the fermentation broth needs to be optimized for the economical production. In conclusion, this review paper covers the mechanism of lysozyme, its sources, production methods and recovery of lysozyme.
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Affiliation(s)
- Duygu Ercan
- a Department of Agricultural and Biological Engineering , The Pennsylvania State University, University Park , Pennsylvania , USA and
| | - Ali Demirci
- a Department of Agricultural and Biological Engineering , The Pennsylvania State University, University Park , Pennsylvania , USA and.,b The Huck Institutes of Life Sciences, The Pennsylvania State University, University Park , Pennsylvania , USA
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Lamppa JW, Tanyos SA, Griswold KE. Engineering Escherichia coli for soluble expression and single step purification of active human lysozyme. J Biotechnol 2012; 164:1-8. [PMID: 23220215 DOI: 10.1016/j.jbiotec.2012.11.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2012] [Revised: 11/07/2012] [Accepted: 11/15/2012] [Indexed: 10/27/2022]
Abstract
Genetically engineered variants of human lysozyme represent promising leads in the battle against drug-resistant bacterial pathogens, but early stage development and testing of novel lysozyme variants is constrained by the lack of a robust, scalable and facile expression system. While wild type human lysozyme is reportedly produced at 50–80 kg per hectare of land in recombinant rice, this plant-based system is not readily scaled down to bench top production, and it is therefore not suitable for development and characterization of novel lysozyme variants. Here, we describe a novel and efficient expression system capable of producing folded, soluble and functional human lysozyme in Escherichia coli cells. To achieve this goal, we simultaneously co-express multiple protein folding chaperones as well as harness the lysozyme inhibitory protein, Ivy. Our strategy exploits E. coli's ease of culture, short doubling time, and facile genetics to yield upwards of 30 mg/l of soluble lysozyme in a bioreactor system, a 3000-fold improvement over prior efforts in E. coli. Additionally, molecular interactions between lysozyme and a his-tagged Ivy allows for one-step purification by IMAC, yielding as much as 21 mg/l of purified enzyme. We anticipate that our expression and purification platform will facilitate further development of engineered lysozymes having utility in disease treatment and other practical applications.
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Affiliation(s)
- John W Lamppa
- Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, USA
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