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Xing X, Chen X, You X, Huang J, Xue D. Zearalenone degrading enzyme evolution to increase the hydrolysis efficiency under acidic conditions by the rational design. Food Chem 2024; 456:140088. [PMID: 38878543 DOI: 10.1016/j.foodchem.2024.140088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 06/09/2024] [Accepted: 06/11/2024] [Indexed: 07/24/2024]
Abstract
Based on rational design, zearalenone degrading enzyme was evolved to improve the hydrolysis efficiency under acidic conditions. At pH 4.2 and 37 °C, the activity of the zearalenone degrading enzyme evolved with 8 mutation sites increased from 7.69 U/mg to 38.67 U/mg. Km of the evolved zearalenone degrading enzyme decreased from 283.61 μM to 75.33 μM. The evolved zearalenone degrading enzyme was found to effectively degrade zearalenone in pig stomach chyme. Molecular docking revealed an increase in the number of hydrogen bonds and π-sigma interactions between the evolved zearalenone degrading enzyme and zearalenone. The evolved zearalenone degrading enzyme was valuable for hydrolyzing zearalenone under acidic conditions.
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Affiliation(s)
- Xingyue Xing
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, PR China
| | - Xiaowei Chen
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, PR China
| | - Xihuo You
- School of Bioengineering and Health, Wuhan Textile University, State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430200, PR China; Agrichina Huawei Biopharmaceutical (Hubei) Co., Ltd, Qichun 435300, PR China
| | - Jie Huang
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, PR China
| | - Dongsheng Xue
- National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei University of Technology, Wuhan 430068, PR China.
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2
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Gari J, Abdella R. Degradation of zearalenone by microorganisms and enzymes. PeerJ 2023; 11:e15808. [PMID: 37601268 PMCID: PMC10434127 DOI: 10.7717/peerj.15808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 07/07/2023] [Indexed: 08/22/2023] Open
Abstract
Mycotoxins are toxic metabolites produced by fungi that may cause serious health problems in humans and animals. Zearalenone is a secondary metabolite produced by fungi of the genus Fusarium, widely exists in animal feed and human food. One concern with the use of microbial strains and their enzyme derivatives for zearalenone degradation is the potential variability in the effectiveness of the degradation process. The efficiency of degradation may depend on various factors such as the type and concentration of zearalenone, the properties of the microbial strains and enzymes, and the environmental conditions. Therefore, it is important to carefully evaluate the efficacy of these methods under different conditions and ensure their reproducibility. Another important consideration is the safety and potential side effects of using microbial strains and enzymes for zearalenone degradation. It is necessary to evaluate the potential risks associated with the use of genetically modified microorganisms or recombinant enzymes, including their potential impact on the environment and non-target organisms. Additionally, it is important to ensure that the degradation products are indeed harmless and do not pose any health risks to humans or animals. Furthermore, while the use of microbial strains and enzymes may offer an environmentally friendly and cost-effective solution for zearalenone degradation, it is important to explore other methods such as physical or chemical treatments as well. These methods may offer complementary approaches for zearalenone detoxification, and their combination with microbial or enzyme-based methods may improve overall efficacy. Overall, the research on the biodegradation of zearalenone using microorganisms and enzyme derivatives is promising, but there are important considerations that need to be addressed to ensure the safety and effectiveness of these methods. Development of recombinant enzymes improves enzymatic detoxification of zearalenone to a non-toxic product without damaging the nutritional content. This review summarizes biodegradation of zearalenone using microorganisms and enzyme derivatives to nontoxic products. Further research is needed to fully evaluate the potential of these methods for mitigating the impact of mycotoxins in food and feed.
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Affiliation(s)
- Jiregna Gari
- Department of Veterinary Laboratory Technology, Ambo University, Ambo, Oromia, Ethiopia
| | - Rahma Abdella
- Armauer Hansen Research Institute, Addis Ababa, Ethiopia
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Qiu Y, Xu H, Ji Q, Xu R, Zhu M, Dang Y, Shi X, Zhang L, Xia Y. Mutation, food-grade expression, and characterization of a lactonase for zearalenone degradation. Appl Microbiol Biotechnol 2023:10.1007/s00253-023-12638-6. [PMID: 37401996 DOI: 10.1007/s00253-023-12638-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 06/05/2023] [Accepted: 06/15/2023] [Indexed: 07/05/2023]
Abstract
Zearalenone (ZEN) is a mycotoxin that causes serious threats to human health. People are exposed to ZEN contamination externally and internally through many ways, while environmental-friendly strategies for efficient elimination of ZEN are urgently needed worldwide. Previous studies revealed that the lactonase Zhd101 from Clonostachys rosea can hydrolyze ZEN to low toxicity compounds. In this work, the enzyme Zhd101 was conducted with combinational mutations to enhance its application properties. The optimal mutant (V153H-V158F), named Zhd101.1, was selected and introduced into the food-grade recombinant yeast strain Kluyveromyces lactis GG799(pKLAC1-Zhd101.1), followed by induced expression and secretion into the supernatant. The enzymatic properties of this mutant were extensively examined, revealing a 1.1-fold increase in specific activity, as well as improved thermostability and pH stability, compared to the wild-type enzyme. The ZEN degradation tests and the reaction parameters optimization were carried out in both solutions and the ZEN-contaminated corns, using the fermentation supernatants of the food-grade yeast strain. Results showed that the degradation rates for ZEN by fermentation supernatants reached 96.9% under optimal reaction conditions and 74.6% in corn samples, respectively. These new results are a useful reference to zearalenone biodegradation technologies and indicated that the mutant enzyme Zhd101.1 has potential to be used in food and feed industries. KEY POINTS: • Mutated lactonase showed 1.1-fold activity, better pH stability than the wild type. • The strain K. lactis GG799(pKLAC1-Zhd101.1) and the mutant Zhd101.1 are food-grade. • ZEN degradation rates by supernatants reached 96.9% in solution and 74.6% in corns.
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Affiliation(s)
- Yangyu Qiu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Huidong Xu
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Qinyi Ji
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Rongrong Xu
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
- Shandong Freda Bioeng Co., Ltd., Jinan, 250101, China
| | - Mulan Zhu
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Yali Dang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo, 315211, China
| | - Xizhi Shi
- School of Marine Sciences, Ningbo University, Ningbo, 315211, China
| | - Lili Zhang
- Key Laboratory of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China
| | - Yu Xia
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.
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4
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A promising innovative technique for mycotoxin detoxification from beverages using biofilms of lactic acid bacteria. INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2022.103165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Zhao C, Xie P, Jin J, Jin Q, Wang X. Removal of Zearalenone from Degummed Corn Oil by Hydrolase on a Batch-Refining Unit. Foods 2022; 11:foods11233795. [PMID: 36496603 PMCID: PMC9737285 DOI: 10.3390/foods11233795] [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: 09/12/2022] [Revised: 11/08/2022] [Accepted: 11/16/2022] [Indexed: 11/27/2022] Open
Abstract
The removal of zearalenone (ZEN) from degummed corn oil (DCO) using hydrolase on a batch-refining unit was studied. According to single-factor and response surface experiments, the optimum technological conditions for reaching the maximum degradation rate were a temperature of 39.01 °C, a pH of 8.08, a time of 3.9 h, and an enzyme dosage of 44.7 mg/kg, whereby the rate of ZEN degradation can reach 94.66%. Different effects on the removal of ZEN were observed at different initial ZEN contents under the optimal technological conditions, of which the decrease was rapid for high ZEN content and slow for low ZEN content.
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Imade FN, Humza M, Dada OA, Ullah S, Jahan I, Eseigbe D, Geng H, Zheng Y, Xing F, Liu Y. Isolation and characterization of novel soil bacterium, Klebsiella pneumoniae strain GS7-1 for the degradation of zearalenone in major cereals. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Nahle S, El Khoury A, Savvaidis I, Chokr A, Louka N, Atoui A. Detoxification approaches of mycotoxins: by microorganisms, biofilms and enzymes. INTERNATIONAL JOURNAL OF FOOD CONTAMINATION 2022. [DOI: 10.1186/s40550-022-00089-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
AbstractMycotoxins are generally found in food, feed, dairy products, and beverages, subsequently presenting serious human and animal health problems. Not surprisingly, mycotoxin contamination has been a worldwide concern for many research studies. In this regard, many biological, chemical, and physical approaches were investigated to reduce and/or remove contamination from food and feed products. Biological detoxification processes seem to be the most promising approaches for mycotoxins removal from food. The current review details the newest progress in biological detoxification (adsorption and metabolization) through microorganisms, their biofilms, and enzymatic degradation, finally describing the detoxification mechanism of many mycotoxins by some microorganisms. This review also reports the possible usage of microorganisms as mycotoxins’ binders in various food commodities, which may help produce mycotoxins-free food and feed.
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Yang X, Li F, Ning H, Zhang W, Niu D, Shi Z, Chai S, Shan A. Screening of Pig-Derived Zearalenone-Degrading Bacteria through the Zearalenone Challenge Model, and Their Degradation Characteristics. Toxins (Basel) 2022; 14:toxins14030224. [PMID: 35324721 PMCID: PMC8952410 DOI: 10.3390/toxins14030224] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 02/04/2023] Open
Abstract
Zearalenone (ZEN) is widely found in food and feed. Its cytotoxicity, reproductive toxicity, genetic toxicity, immunotoxicity and hepatorenal toxicity have serious impacts on human and animal health. In order to help animals avoid ZEN poisoning in feed, ZEN-degrading bacterial strains were screened from fecal samples through a zearalenone challenge pig model, and their degradation characteristics were researched. Through the optimization of parameters such as the culture time, pH value, temperature, and strain concentration, the optimal conditions for the ZEN-degrading ability of these strains were preliminarily determined, and the active site of the ZEN degradation was explored. In this study, three strains (SY-3, SY-14, SY-20) with high ZEN degradation capacities were obtained. SY-3 was identified as Proteus mirabilis, and its main degrading component was the supernatant. SY-14 and SY-20 were identified as Bacillus subtilis. Their main degrading components were the intracellular fluid of SY-14, and the intracellular fluid and cell wall of SY-20. The above results showed that the ZEN challenge model was an effective way to screen ZEN-degrading bacteria.
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Affiliation(s)
- Xue Yang
- Institute of Animal Nutrition, College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; (X.Y.); (H.N.); (W.Z.); (Z.S.); (S.C.); (A.S.)
- Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, China
| | - Feng Li
- Institute of Animal Nutrition, College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; (X.Y.); (H.N.); (W.Z.); (Z.S.); (S.C.); (A.S.)
- Correspondence:
| | - Hangyi Ning
- Institute of Animal Nutrition, College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; (X.Y.); (H.N.); (W.Z.); (Z.S.); (S.C.); (A.S.)
| | - Wei Zhang
- Institute of Animal Nutrition, College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; (X.Y.); (H.N.); (W.Z.); (Z.S.); (S.C.); (A.S.)
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Dongyan Niu
- Department of Ecosystem and Public Health, Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada;
| | - Zhuo Shi
- Institute of Animal Nutrition, College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; (X.Y.); (H.N.); (W.Z.); (Z.S.); (S.C.); (A.S.)
| | - Sa Chai
- Institute of Animal Nutrition, College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; (X.Y.); (H.N.); (W.Z.); (Z.S.); (S.C.); (A.S.)
| | - Anshan Shan
- Institute of Animal Nutrition, College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China; (X.Y.); (H.N.); (W.Z.); (Z.S.); (S.C.); (A.S.)
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Cloning and Characterization of Three Novel Enzymes Responsible for the Detoxification of Zearalenone. Toxins (Basel) 2022; 14:toxins14020082. [PMID: 35202110 PMCID: PMC8879097 DOI: 10.3390/toxins14020082] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/30/2021] [Accepted: 12/31/2021] [Indexed: 12/30/2022] Open
Abstract
Zearalenone is a common mycotoxin contaminant in cereals that causes severe economic losses and serious risks to health of human and animals. Many strategies have been devised to degrade ZEN and keep food safe. The hydrolase ZHD101 from Clonostachys rosea, which catalyzes the hydrolytic degradation of ZEN, has been studied widely. In the current research, three new enzymes that have the capacity to detoxify ZEN were identified, namely CLA, EXO, and TRI, showing 61%, 63%, and 97% amino acids identities with ZHD101, respectively. Three coding genes was expressed as heterologous in Escherichia coli BL21. Through biochemical analysis, the purified recombinant CLA, EXO, TRI, and ZHD101 exhibited high activities of degrading ZEN with the specific activity of 114.8 U/mg, 459.0 U/mg, 239.8 U/mg, and 242.8 U/mg. The optimal temperatures of CLA, EXO, TRI, and ZHD101 were 40 °C, 40 °C, 40 °C, and 45 °C, and their optimum pH were 7.0, 9.0, 9.5, and 9.0, respectively. Our study demonstrated that the novel enzymes CLA, EXO, and TRI possessed high ability to degrade ZEN from the model solutions and could be the promising candidates for ZEN detoxification in practical application.
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Piotrowska M. Microbiological Decontamination of Mycotoxins: Opportunities and Limitations. Toxins (Basel) 2021; 13:toxins13110819. [PMID: 34822603 PMCID: PMC8619243 DOI: 10.3390/toxins13110819] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 11/12/2021] [Accepted: 11/18/2021] [Indexed: 02/07/2023] Open
Abstract
The contamination of food and feeds with mycotoxins poses a global health risk to humans and animals, with major economic consequences. Good agricultural and manufacturing practices can help control mycotoxin contamination. Since these actions are not always effective, several methods of decontamination have also been developed, including physical, chemical, and biological methods. Biological decontamination using microorganisms has revealed new opportunities. However, these biological methods require legal regulations and more research before they can be used in food production. Currently, only selected biological methods are acceptable for the decontamination of feed. This review discusses the literature on the use of microorganisms to remove mycotoxins and presents their possible mechanisms of action. Special attention is given to Saccharomyces cerevisiae yeast and lactic acid bacteria, and the use of yeast cell wall derivatives.
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Affiliation(s)
- Małgorzata Piotrowska
- Faculty of Biotechnology and Food Sciences, Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wólczańska 171/173, 90-530 Lodz, Poland
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11
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Biological Transformation of Zearalenone by Some Bacterial Isolates Associated with Ruminant and Food Samples. Toxins (Basel) 2021; 13:toxins13100712. [PMID: 34679005 PMCID: PMC8540131 DOI: 10.3390/toxins13100712] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/05/2021] [Accepted: 10/06/2021] [Indexed: 11/25/2022] Open
Abstract
Zearalenone (ZEA) is a secondary metabolite produced by Fusarium spp., the filamentous fungi. Food and feed contamination with zearalenone has adverse effects on health and economy. ZEA degradation through microorganisms is providing a promising preventive measure. The current study includes isolation of 47 bacterial strains from 100 different food and rumen samples. Seventeen isolates showed maximum activity of ZEA reduction. A bacterial isolate, RS-5, reduced ZEA concentration up to 78.3% through ELISA analysis and 74.3% as determined through HPLC. Ten of the most efficient strains were further selected for comparison of their biodegradation activity in different conditions such as incubation period, and different growth media. The samples were analyzed after 24 h, 48 h, and 72 h of incubation. De Man Rogosa Sharp (MRS) broth, Tryptic soy broth, and nutrient broth were used as different carbon sources for comparison of activity through ELISA. The mean degradation % ± SD through ELISA and HPLC were 70.77% ± 3.935 and 69.11% ± 2.768, respectively. Optimum reducing activity was detected at 72 h of incubation, and MRS broth is a suitable medium. Phylogenetic analysis based on 16S rRNA gene nucleotide sequences confirmed that one of the bacterial isolate RS-5 bacterial isolates with higher mycotoxin degradation is identified as Bacillus subtilis isolated from rumen sample. B05 (FSL-8) bacterial isolate of yogurt belongs to the genus Lactobacillus with 99.66% similarity with Lactobacillus delbrukii. Similarly, three other bacterial isolates, D05, H05 and F04 (FS-17, FSL-2 and FS-20), were found to be the sub-species/strains Pseudomonas gessardii of genus Pseudomonas based on their similarity level of (99.2%, 96% and 96.88%) and positioning in the phylogenetic tree. Promising detoxification results were revealed through GC-MS analysis of RS-5 and FSL-8 activity.
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Microbial Reduction of Fumonisin B1 by the New Isolate Serratia marcescens 329-2. Toxins (Basel) 2021; 13:toxins13090638. [PMID: 34564642 PMCID: PMC8473028 DOI: 10.3390/toxins13090638] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 12/21/2022] Open
Abstract
The mycotoxin fumonisin (FB) has become a major problem in maize products in southeastern Asia. Fumonisin can affect the health of humans and many animals. Fumonisin contamination can be reduced by detoxifying microbial enzyme. Screening of 95 potent natural sources resulted in 5.3% of samples yielding a total of five bacterial isolates that were a promising solution, reducing approximately 10.0-30.0% of fumonisin B1 (FB1). Serratia marcescens, one of the dominant degrading bacteria, was identified with Gram staining, 16S rRNA gene, and MALDI-TOF/TOF MS. Cell-free extract showed the highest fumonisin reduction rates, 30.3% in solution and 37.0% in maize. Crude proteins from bacterial cells were analyzed with a label-free quantification technique. The results showed that hydrolase enzymes and transferase enzymes that can cooperate in the fumonisin degradation process were highly expressed in comparison to their levels in a control. These studies have shown that S. marcescens 329-2 is a new potential bacterium for FB1 reduction, and the production of FB1-reducing enzymes should be further explored.
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Jin J, Beekmann K, Ringø E, Rietjens IM, Xing F. Interaction between food-borne mycotoxins and gut microbiota: A review. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.107998] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Ragoubi C, Quintieri L, Greco D, Mehrez A, Maatouk I, D’Ascanio V, Landoulsi A, Avantaggiato G. Mycotoxin Removal by Lactobacillus spp. and Their Application in Animal Liquid Feed. Toxins (Basel) 2021; 13:toxins13030185. [PMID: 33801544 PMCID: PMC8000088 DOI: 10.3390/toxins13030185] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/23/2021] [Accepted: 02/25/2021] [Indexed: 11/16/2022] Open
Abstract
The removal of mycotoxins from contaminated feed using lactic acid bacteria (LAB) has been proposed as an inexpensive, safe, and promising mycotoxin decontamination strategy. In this study, viable and heat-inactivated L. acidophilus CIP 76.13T and L. delbrueckii subsp. bulgaricus CIP 101027T cells were investigated for their ability to remove aflatoxin B1 (AFB1), ochratoxin A (OTA), zearalenone (ZEA), and deoxynivalenol (DON) from MRS medium and PBS buffer over a 24 h period at 37 °C. LAB decontamination activity was also assessed in a ZEA-contaminated liquid feed (LF). Residual mycotoxin concentrations were determined by UHPLC-FLD/DAD analysis. In PBS, viable L. acidophilus CIP 76.13T and L. delbrueckii subsp. bulgaricus CIP 101027T cells removed up to 57% and 30% of ZEA and DON, respectively, while AFB1 and OTA reductions were lower than 15%. In MRS, 28% and 33% of ZEA and AFB1 were removed, respectively; OTA and DON reductions were small (≤15%). Regardless of the medium, heat-inactivated cells produced significantly lower mycotoxin reductions than those obtained with viable cells. An adsorption mechanism was suggested to explain the reductions in AFB1 and OTA, while biodegradation could be responsible for the removal of ZEA and DON. Both viable LAB strains reduced ZEA by 23% in contaminated LF after 48 h of incubation. These findings suggest that LAB strains of L. acidophilus CIP 76.13T and L. delbrueckii subsp. bulgaricus CIP 101027T may be applied in the feed industry to reduce mycotoxin contamination.
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Affiliation(s)
- Chaima Ragoubi
- Risques liés aux Stress Environnement aux, Lute et Prévention, Faculté des Sciences de Bizerte, Université de Carthage, Zarzouna 7021, Tunisia; (C.R.); (A.M.); (I.M.); (A.L.)
| | - Laura Quintieri
- Institute of Sciences of Food Production, National Research Council of Italy, 70126 Bari, Italy; (L.Q.); (D.G.); (V.D.)
| | - Donato Greco
- Institute of Sciences of Food Production, National Research Council of Italy, 70126 Bari, Italy; (L.Q.); (D.G.); (V.D.)
| | - Amel Mehrez
- Risques liés aux Stress Environnement aux, Lute et Prévention, Faculté des Sciences de Bizerte, Université de Carthage, Zarzouna 7021, Tunisia; (C.R.); (A.M.); (I.M.); (A.L.)
| | - Imed Maatouk
- Risques liés aux Stress Environnement aux, Lute et Prévention, Faculté des Sciences de Bizerte, Université de Carthage, Zarzouna 7021, Tunisia; (C.R.); (A.M.); (I.M.); (A.L.)
| | - Vito D’Ascanio
- Institute of Sciences of Food Production, National Research Council of Italy, 70126 Bari, Italy; (L.Q.); (D.G.); (V.D.)
| | - Ahmed Landoulsi
- Risques liés aux Stress Environnement aux, Lute et Prévention, Faculté des Sciences de Bizerte, Université de Carthage, Zarzouna 7021, Tunisia; (C.R.); (A.M.); (I.M.); (A.L.)
| | - Giuseppina Avantaggiato
- Institute of Sciences of Food Production, National Research Council of Italy, 70126 Bari, Italy; (L.Q.); (D.G.); (V.D.)
- Correspondence:
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Shcherbakova L, Rozhkova A, Osipov D, Zorov I, Mikityuk O, Statsyuk N, Sinitsyna O, Dzhavakhiya V, Sinitsyn A. Effective Zearalenone Degradation in Model Solutions and Infected Wheat Grain Using a Novel Heterologous Lactonohydrolase Secreted by Recombinant Penicillium canescens. Toxins (Basel) 2020; 12:E475. [PMID: 32722498 PMCID: PMC7472149 DOI: 10.3390/toxins12080475] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/21/2020] [Accepted: 07/23/2020] [Indexed: 01/23/2023] Open
Abstract
This paper reports the first results on obtaining an enzyme preparation that might be promising for the simultaneous decontamination of plant feeds contaminated with a polyketide fusariotoxin, zearalenone (ZEN), and enhancing the availability of their nutritional components. A novel ZEN-specific lactonohydrolase (ZHD) was expressed in a Penicillium canescens strain PCA-10 that was developed previously as a producer of different hydrolytic enzymes for feed biorefinery. The recombinant ZHD secreted by transformed fungal clones into culture liquid was shown to remove the toxin from model solutions, and was able to decontaminate wheat grain artificially infected with a zearalenone-producing Fusarium culmorum. The dynamics of ZEN degradation depending on the temperature and pH of the incubation media was investigated, and the optimal values of these parameters (pH 8.5, 30 °C) for the ZHD-containing enzyme preparation (PR-ZHD) were determined. Under these conditions, the 3 h co-incubation of ZEN and PR-ZHD resulted in a complete removal of the toxin from the model solutions, while the PR-ZHD addition (8 mg/g of dried grain) to flour samples prepared from the infected ZEN-polluted grain (about 16 µg/g) completely decontaminated the samples after an overnight exposure.
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Affiliation(s)
- Larisa Shcherbakova
- All-Russian Research Institute of Phytopathology, Bolshie Vyazemy, 143050 Moscow, Russia; (O.M.); (V.D.)
| | - Alexandra Rozhkova
- Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences, 119071 Moscow, Russia; (A.R.); (D.O.); (I.Z.); (A.S.)
| | - Dmitrii Osipov
- Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences, 119071 Moscow, Russia; (A.R.); (D.O.); (I.Z.); (A.S.)
| | - Ivan Zorov
- Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences, 119071 Moscow, Russia; (A.R.); (D.O.); (I.Z.); (A.S.)
| | - Oleg Mikityuk
- All-Russian Research Institute of Phytopathology, Bolshie Vyazemy, 143050 Moscow, Russia; (O.M.); (V.D.)
| | - Natalia Statsyuk
- All-Russian Research Institute of Phytopathology, Bolshie Vyazemy, 143050 Moscow, Russia; (O.M.); (V.D.)
| | - Olga Sinitsyna
- Chemistry Department, M.V. Lomonosov Moscow State University, 119991 Moscow, Russia;
| | - Vitaly Dzhavakhiya
- All-Russian Research Institute of Phytopathology, Bolshie Vyazemy, 143050 Moscow, Russia; (O.M.); (V.D.)
| | - Arkady Sinitsyn
- Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences, 119071 Moscow, Russia; (A.R.); (D.O.); (I.Z.); (A.S.)
- Chemistry Department, M.V. Lomonosov Moscow State University, 119991 Moscow, Russia;
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González Pereyra M, Di Giacomo A, Lara A, Martínez M, Cavaglieri L. Aflatoxin-degrading Bacillus sp. strains degrade zearalenone and produce proteases, amylases and cellulases of agro-industrial interest. Toxicon 2020; 180:43-48. [DOI: 10.1016/j.toxicon.2020.04.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 04/05/2020] [Accepted: 04/07/2020] [Indexed: 12/12/2022]
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17
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Haque MA, Wang Y, Shen Z, Li X, Saleemi MK, He C. Mycotoxin contamination and control strategy in human, domestic animal and poultry: A review. Microb Pathog 2020; 142:104095. [PMID: 32097745 DOI: 10.1016/j.micpath.2020.104095] [Citation(s) in RCA: 161] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/17/2020] [Accepted: 02/21/2020] [Indexed: 12/12/2022]
Abstract
Mycotoxins are secondary metabolites produced mainly by fungi belonging to the genera Aspergillus, Fusarium, Penicillium, Claviceps, and Alternaria that contaminate basic food products throughout the world, where developing countries are becoming predominantly affected. Currently, more than 500 mycotoxins are reported in which the most important concern to public health and agriculture include AFB1, OTA, TCTs (especially DON, T-2, HT-2), FB1, ZEN, PAT, CT, and EAs. The presence of mycotoxin in significant quantities poses health risks varying from allergic reactions to death on both humans and animals. This review brings attention to the present status of mycotoxin contamination of food products and recommended control strategies for mycotoxin mitigation. Humans are exposed to mycotoxins directly through the consumption of contaminated foods while, indirectly through carryover of toxins and their metabolites into animal tissues, milk, meat and eggs after ingestion of contaminated feeds. Pre-harvest (field) control of mycotoxin production and post-harvest (storage) mitigation of contamination represent the most effective approach to limit mycotoxins in food and feed. Compared with chemical and physical approaches, biological detoxification methods regarding biotransformation of mycotoxins into less toxic metabolites, are generally more unique, productive and eco-friendly. Along with the biological detoxification method, genetic improvement and application of nanotechnology show tremendous potential in reducing mycotoxin production thereby improving food safety and food quality for extended shelf life. This review will primarily describe the latest developments in the formation and detoxification of the most important mycotoxins by biological degradation and other alternative approaches, thereby reducing the potential adverse effects of mycotoxins.
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Affiliation(s)
- Md Atiqul Haque
- Key Lab of Animal Epidemiology and Zoonoses of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China; Department of Microbiology, Faculty of Veterinary & Animal Science, Hajee Mohammad Danesh Science and Technology University, Dinajpur, 5200, Bangladesh
| | - Yihui Wang
- Key Lab of Animal Epidemiology and Zoonoses of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Zhiqiang Shen
- Binzhou Animal Science and Veterinary Medicine Academy of Shandong Province, Binzhou, 256600, China
| | - Xiaohui Li
- Key Lab of Animal Epidemiology and Zoonoses of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Muhammad Kashif Saleemi
- Department of Pathology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Cheng He
- Key Lab of Animal Epidemiology and Zoonoses of Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China.
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Rogowska A, Pomastowski P, Walczak J, Railean-Plugaru V, Rudnicka J, Buszewski B. Investigation of Zearalenone Adsorption and Biotransformation by Microorganisms Cultured under Cellular Stress Conditions. Toxins (Basel) 2019; 11:toxins11080463. [PMID: 31394832 PMCID: PMC6723818 DOI: 10.3390/toxins11080463] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 08/03/2019] [Accepted: 08/05/2019] [Indexed: 01/14/2023] Open
Abstract
The zearalenone binding and metabolization ability of probiotic microorganisms, such as lactic acid bacteria, Lactobacillus paracasei, Lactococcus lactis, and yeast Saccharomyces cerevisiae, isolated from food products, were examined. Moreover, the influence of cellular stress (induced by silver nanoparticles) and lyophilization on the effectiveness of tested microorganisms was also investigated. The concentration of zearalenone after a certain time of incubation with microorganisms was determined using high-performance liquid chromatography. The maximum sorption effectiveness for L. paracasei, L. lactis, and S. cerevisiae cultured in non-stress conditions was 53.3, 41.0, and 36.5%, respectively. At the same time for the same microorganisms cultured at cellular stress conditions, the maximum sorption effectiveness was improved to 55.3, 47.4, and 57.0%, respectively. Also, the effect of culture conditions on the morphology of the cells and its metabolism was examined using microscopic technique and matrix-assisted laser desorption ionization-time of flight mass spectrometry, respectively.
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Affiliation(s)
- Agnieszka Rogowska
- Centre for Modern Interdisciplinary Technologies Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100 Torun, Poland
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Torun, Poland
| | - Paweł Pomastowski
- Centre for Modern Interdisciplinary Technologies Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100 Torun, Poland
| | - Justyna Walczak
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Torun, Poland
| | - Viorica Railean-Plugaru
- Centre for Modern Interdisciplinary Technologies Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100 Torun, Poland
| | - Joanna Rudnicka
- Centre for Modern Interdisciplinary Technologies Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100 Torun, Poland
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Torun, Poland
| | - Bogusław Buszewski
- Centre for Modern Interdisciplinary Technologies Nicolaus Copernicus University in Toruń, Wileńska 4, 87-100 Torun, Poland.
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Torun, Poland.
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19
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Venkatesh N, Keller NP. Mycotoxins in Conversation With Bacteria and Fungi. Front Microbiol 2019; 10:403. [PMID: 30941105 PMCID: PMC6433837 DOI: 10.3389/fmicb.2019.00403] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 02/15/2019] [Indexed: 12/22/2022] Open
Abstract
An important goal of the mycotoxin research community is to develop comprehensive strategies for mycotoxin control and detoxification. Although significant progress has been made in devising such strategies, yet, there are barriers to overcome and gaps to fill in order to design effective mycotoxin management techniques. This is in part due to a lack of understanding of why fungi produce these toxic metabolites. Here we present cumulative evidence from the literature that indicates an important ecological role for mycotoxins, with particular focus on Fusarium mycotoxins. Further, we suggest that understanding how mycotoxin levels are regulated by microbial encounters can offer novel insights for mycotoxin control in food and feed. Microbial degradation of mycotoxins provides a wealth of chemical information that can be harnessed for large-scale mycotoxin detoxification efforts.
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Affiliation(s)
- Nandhitha Venkatesh
- Department of Plant Pathology, University of Wisconsin—Madison, Madison, WI, United States
| | - Nancy P. Keller
- Department of Medical Microbiology and Immunology, University of Wisconsin—Madison, Madison, WI, United States
- Department of Bacteriology, University of Wisconsin—Madison, Madison, WI, United States
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