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Abdelshafy AM, Mahmoud AR, Abdelrahman TM, Mustafa MA, Atta OM, Abdelmegiud MH, Al-Asmari F. Biodegradation of chemical contamination by lactic acid bacteria: A biological tool for food safety. Food Chem 2024; 460:140732. [PMID: 39106807 DOI: 10.1016/j.foodchem.2024.140732] [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: 05/31/2024] [Revised: 07/19/2024] [Accepted: 07/30/2024] [Indexed: 08/09/2024]
Abstract
Chemical pollutants such as mycotoxins and pesticides exert harmful effects on human health such as inflammation, oxidative stress, and cancer. Several strategies were applied for food decontamination, including physicochemical and biological strategies. The present review comprehensively discussed the recent efforts related to the biodegradation of eight food chemical contaminants, including mycotoxins, acrylamide, biogenic amines, N-nitrosamines, polycyclic aromatic hydrocarbons, bisphenol A, pesticides, and heavy metals by lactic acid bacteria (LAB). Biological detoxification by LAB such as Lactobacillus is a promising approach to remove the risks related to the presence of chemical and environmental pollutants in foodstuffs. It is a safe, efficient, environmentally friendly, and low-cost strategy to remove hazardous compounds. LAB can directly decrease these chemical pollutants by degradation or adsorption. Also, it can indirectly reduce the content of these pollutants by reducing their precursors. Hence, LAB can contribute to reducing chemical pollutants in contaminated foods and enhance food safety.
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Affiliation(s)
- Asem M Abdelshafy
- Department of Food Science and Technology, Faculty of Agriculture, Al-Azhar University - Assiut Branch, Assiut 71524, Egypt.
| | - Ahmed Rashad Mahmoud
- Department of Food Science and Technology, Faculty of Agriculture, Al-Azhar University - Assiut Branch, Assiut 71524, Egypt.
| | - Talat M Abdelrahman
- Department of Plant Protection, Faculty of Agriculture, Al-Azhar University, Assiut 71524, Egypt.
| | - Mustafa Abdelmoneim Mustafa
- Department of Food Science and Technology, Faculty of Agriculture, Al-Azhar University - Assiut Branch, Assiut 71524, Egypt.
| | - Omar Mohammad Atta
- Department of Botany and Microbiology, College of Science, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt.
| | - Mahmoud H Abdelmegiud
- Department of Food Science and Technology, Faculty of Agriculture, Al-Azhar University - Assiut Branch, Assiut 71524, Egypt.
| | - Fahad Al-Asmari
- Department of Food Science and Nutrition, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia.
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2
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Khan R. Mycotoxins in food: Occurrence, health implications, and control strategies-A comprehensive review. Toxicon 2024; 248:108038. [PMID: 39047955 DOI: 10.1016/j.toxicon.2024.108038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 06/14/2024] [Accepted: 07/18/2024] [Indexed: 07/27/2024]
Abstract
Mycotoxins are secondary metabolites produced by various filamentous fungi, including Aspergillus, Fusarium, Penicillium, Alternaria, Claviceps, Mucor, Trichoderma, Trichothecium, Myrothecium, Pyrenophora, and Stachybotrys. They can contaminate various plants or animal foods, resulting in a significant loss of nutritional and commercial value. Several factors contribute to mycotoxin production, such as humidity, temperature, oxygen levels, fungal species, and substrate. When contaminated food is consumed by animals and humans, mycotoxins are rapidly absorbed, affecting the liver, and causing metabolic disorders. The detrimental effects on humans and animals include reduced food intake and milk production, reduced fertility, increased risk of abortion, impaired immune response, and increased occurrence of diseases. Therefore, it is imperative to implement strategies for mycotoxin control, broadly classified as preventing fungal contamination and detoxifying their toxic compounds. This review aims to discuss various aspects of mycotoxins, including their occurrence, and risk potential. Additionally, it provides an overview of mycotoxin detoxification strategies, including the use of mycotoxin absorbents, as potential techniques to eliminate or mitigate the harmful effects of mycotoxins and masked mycotoxins on human and animal health while preserving the nutritional and commercial value of affected food products.
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Affiliation(s)
- Rahim Khan
- Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Selangor, 43300, Malaysia.
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3
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Ma J, Huang R, Zhang H, Liu D, Dong X, Xiong Y, Xiong X, Lan D, Fu W, He H, Li J, Yin S. The Protective Effect of Quercetin against the Cytotoxicity Induced by Fumonisin B1 in Sertoli Cells. Int J Mol Sci 2024; 25:8764. [PMID: 39201451 PMCID: PMC11355056 DOI: 10.3390/ijms25168764] [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: 07/15/2024] [Revised: 08/05/2024] [Accepted: 08/10/2024] [Indexed: 09/02/2024] Open
Abstract
Fumonisin B1 (FB1), a mycotoxin produced by Fusarium species, is prevalent in crops and animal feed, posing significant health risks to livestock and humans. FB1 induces oxidative stress in Sertoli cells, destroys testicular structure, and affects spermatogenesis. However, methods to mitigate the reproductive toxicity of FB1 in testes remain unknown. Quercetin, a natural flavonoid antioxidant, may offer protective benefits. This study investigated the protective effects and mechanisms of quercetin against FB1-induced reproductive toxicity in TM4 cells (a Sertoli cell line). The results indicated that 40 μM quercetin improved cell viability, reduced apoptosis, and preserved cell functions. Quercetin also decreased reactive oxygen species (ROS) levels in TM4 cells exposed to FB1, enhanced the expression of antioxidant genes, and improved mitochondrial membrane potential. Compared with FB1 alone, the combination of quercetin and FB1 increased ATP levels, as well as pyruvate and lactic acid, the key glycolysis products. Furthermore, this combination elevated the mRNA and protein expression of glycolysis-related genes, including glucose-6-phosphate isomerase 1 (Gpi1), hexokinase 2 (Hk2), aldolase (Aldoa), pyruvate kinase, muscle (Pkm), lactate dehydrogenase A (Ldha) and phosphofructokinase, liver, B-type (Pfkl). Quercetin also boosted the activity of PKM and LDHA, two crucial glycolytic enzymes. In summary, quercetin mitigates FB1-induced toxicity in TM4 cells by reducing ROS levels and enhancing glycolysis. This study offers new insights into preventing and treating FB1-induced toxic damage to the male reproductive system and highlights the potential application of quercetin.
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Affiliation(s)
- Jun Ma
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Ruixue Huang
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Huai Zhang
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Dongju Liu
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Xiaodong Dong
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Yan Xiong
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Xianrong Xiong
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Daoliang Lan
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Wei Fu
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Honghong He
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Jian Li
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Shi Yin
- Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Southwest Minzu University, Chengdu 610041, China; (J.M.); (R.H.); (H.Z.); (D.L.); (X.D.); (Y.X.); (X.X.); (D.L.); (W.F.); (H.H.); (J.L.)
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu 610041, China
- College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
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4
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Lee CH, Shin S, Lee SI. 10-Eicosanol Alleviates Patulin-Induced Cell Cycle Arrest and Apoptosis by Activating AKT (Protein Kinase B) in Porcine Intestinal Epithelial Cells. Int J Mol Sci 2024; 25:8597. [PMID: 39201284 PMCID: PMC11354308 DOI: 10.3390/ijms25168597] [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: 06/25/2024] [Revised: 07/29/2024] [Accepted: 08/05/2024] [Indexed: 09/02/2024] Open
Abstract
Patulin (PAT) is a fungal toxin prevalent in apples and apple products and associated with several toxic effects, potentially harming multiple organs, including the kidneys, liver, and colon. However, the precise molecular mechanism through which PAT affects the intestines remains comprehensively unclear. Therefore, this study aims to investigate the molecular effects of PAT on the intestinal epithelium. Gene expression profiling was conducted, hypothesizing that PAT induces cell cycle arrest and apoptosis through the PI3K-Akt signaling pathway. Cell cycle analysis, along with Annexin-V and propidium iodide staining, confirmed that PAT induced G2/M phase arrest and apoptosis in IPEC-J2 cells. Additionally, PAT activated the expression of cell cycle-related genes (CDK1, CCNB1) and apoptosis-related genes (BCL6, CASP9). Treatment with SC79, an AKT activator, mitigated cell cycle arrest and apoptosis. To identify natural products that could mitigate the harmful effects of PAT in small intestinal epithelial cells in pigs, the high-throughput screening of a natural product library was conducted, revealing 10-Eicosanol as a promising candidate. In conclusion, our study demonstrates that 10-Eicosanol alleviates PAT-induced cell cycle arrest and apoptosis in IPEC-J2 cells by activating AKT.
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Affiliation(s)
- Chae Hyun Lee
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju-si 37224, Gyeongsangbuk-do, Republic of Korea; (C.H.L.); (S.S.)
| | - Sangsu Shin
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju-si 37224, Gyeongsangbuk-do, Republic of Korea; (C.H.L.); (S.S.)
- Research Institute for Innovative Animal Science, Kyungpook National University, Sangju-si 37224, Gyeongsangbuk-do, Republic of Korea
| | - Sang In Lee
- Department of Animal Science and Biotechnology, Kyungpook National University, Sangju-si 37224, Gyeongsangbuk-do, Republic of Korea; (C.H.L.); (S.S.)
- Research Institute for Innovative Animal Science, Kyungpook National University, Sangju-si 37224, Gyeongsangbuk-do, Republic of Korea
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5
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Zhen H, Hu Y, Xiong K, Li M, Jin W. The occurrence and biological control of zearalenone in cereals and cereal-based feedstuffs: a review. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2024:1-16. [PMID: 39102376 DOI: 10.1080/19440049.2024.2385713] [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: 05/27/2024] [Revised: 07/17/2024] [Accepted: 07/21/2024] [Indexed: 08/07/2024]
Abstract
Zearalenone, a prominent mycotoxin produced by Fusarium spp., ubiquitously contaminates cereal grains and animal feedstuffs. The thermal stability of zearalenone creates serious obstacles for traditional removal methods, which may introduce new safety issues, or reducing nutritional quality. In contrast, biological technologies provide appealing benefits such as easy to apply and effective, with low toxicity byproducts. Thus, this review aims to describe the occurrence of zearalenone in cereals and cereal-based feedstuffs in the recent 5 years, outline the rules and regulations regarding zearalenone in the major countries, and discuss the recent developments of biological methods for controlling zearalenone in cereals and cereal-based feedstuffs. In addition, this article also reviews the application and the development trend of biological strategies for removal zearalenone in cereals and cereal-based feedstuffs.
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Affiliation(s)
- Hongmin Zhen
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, China
- Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, China
| | - Yumeng Hu
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, China
- Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, China
| | - Ke Xiong
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, China
- Beijing Innovation Centre of Food Nutrition and Human, Beijing Technology & Business University (BTBU), Beijing, China
| | - Mengmeng Li
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, China
- Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, China
| | - Wen Jin
- Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology & Business University (BTBU), Beijing, China
- Beijing Laboratory for Food Quality and Safety, Beijing Technology & Business University (BTBU), Beijing, China
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6
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Liu M, Zhang X, Luan H, Zhang Y, Xu W, Feng W, Song P. Bioenzymatic detoxification of mycotoxins. Front Microbiol 2024; 15:1434987. [PMID: 39091297 PMCID: PMC11291262 DOI: 10.3389/fmicb.2024.1434987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Accepted: 07/08/2024] [Indexed: 08/04/2024] Open
Abstract
Mycotoxins are secondary metabolites produced during the growth, storage, and transportation of crops contaminated by fungi and are physiologically toxic to humans and animals. Aflatoxin, zearalenone, deoxynivalenol, ochratoxin, patulin, and fumonisin are the most common mycotoxins and can cause liver and nervous system damage, immune system suppression, and produce carcinogenic effects in humans and animals that have consumed contaminated food. Physical, chemical, and biological methods are generally used to detoxify mycotoxins. Although physical methods, such as heat treatment, irradiation, and adsorption, are fast and simple, they have associated problems including incomplete detoxification, limited applicability, and cause changes in food characteristics (e.g., nutritive value, organoleptic properties, and palatability). Chemical detoxification methods, such as ammonification, ozonation, and peroxidation, pollute the environment and produce food safety risks. In contrast, bioenzymatic methods are advantageous as they achieve selective detoxification and are environmentally friendly and reusable; thus, these methods are the most promising options for the detoxification of mycotoxins. This paper reviews recent research progress on common mycotoxins and the enzymatic principles and mechanisms for their detoxification, analyzes the toxicity of the degradation products and describes the challenges faced by researchers in carrying out enzymatic detoxification. In addition, the application of enzymatic detoxification in food and feed is discussed and future directions for the development of enzymatic detoxification methods are proposed for future in-depth study of enzymatic detoxification methods.
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Affiliation(s)
| | | | | | | | | | | | - Peng Song
- College of Life Sciences, Liaocheng University, Liaocheng, China
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7
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Li L, Li S, Ma H, Akhtar MF, Tan Y, Wang T, Liu W, Khan A, Khan MZ, Wang C. An Overview of Infectious and Non-Infectious Causes of Pregnancy Losses in Equine. Animals (Basel) 2024; 14:1961. [PMID: 38998073 PMCID: PMC11240482 DOI: 10.3390/ani14131961] [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: 05/20/2024] [Revised: 06/25/2024] [Accepted: 06/28/2024] [Indexed: 07/14/2024] Open
Abstract
Equine breeding plays an essential role in the local economic development of many countries, and it has experienced rapid growth in China in recent years. However, the equine industry, particularly large-scale donkey farms, faces a significant challenge with pregnancy losses. Unfortunately, there is a lack of systematic research on abortion during equine breeding. Several causes, both infectious and non-infectious, of pregnancy losses have been documented in equines. The infectious causes are viruses, bacteria, parasites, and fungi. Non-infectious causes may include long transportation, ingestion of mycotoxins, hormonal disturbances, twinning, placentitis, umbilical length and torsion, etc. In current review, we discuss the transmission routes, diagnostic methods, and control measures for these infectious agents. Early detection of the cause and appropriate management are crucial in preventing pregnancy loss in equine practice. This review aims to provide a comprehensive understanding of the potential causes of abortion in equines, including infectious agents and non-infectious factors. It emphasizes the importance of continued research and effective control measures to address this significant challenge in the equine industry.
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Affiliation(s)
- Liangliang Li
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 252059, China; (L.L.)
| | - Shuwen Li
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 252059, China; (L.L.)
| | - Haoran Ma
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 252059, China; (L.L.)
| | - Muhammad Faheem Akhtar
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 252059, China; (L.L.)
| | - Ying Tan
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 252059, China; (L.L.)
| | - Tongtong Wang
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 252059, China; (L.L.)
| | - Wenhua Liu
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao 266109, China
| | - Adnan Khan
- Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 511464, China
| | - Muhammad Zahoor Khan
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 252059, China; (L.L.)
| | - Changfa Wang
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 252059, China; (L.L.)
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8
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Liu J, Zeng S, Zhu H, Wan X, Sohan ASMMF, Yin B. A Portable Automated Microfluidic Platform for Point-of-Care Testing for Multiple Mycotoxins in Wine. Foods 2024; 13:2066. [PMID: 38998571 PMCID: PMC11241659 DOI: 10.3390/foods13132066] [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: 05/20/2024] [Revised: 06/26/2024] [Accepted: 06/26/2024] [Indexed: 07/14/2024] Open
Abstract
Food safety requires point-of-care testing (POCT) for mycotoxins, since their presence in wine significantly impacts the wine industry and poses a severe threat to human life. Traditional detection methods are usually limited to detecting one mycotoxin and cannot achieve high-throughput, automated, and rapid quantitative analysis of multiple mycotoxins in real samples. Here, we propose a portable automated microfluidic platform (PAMP) integrating a chemiluminescence (CL) imaging system and a microfluidic chip to realize POCT for multiple mycotoxins in real samples, simplifying complex manual operations, shortening the detection time, and improving the detection sensitivity. Specially, silicone films were used as substrates on microfluidic chips to incubate mycotoxin conjugations, and the streptavidin-biotin (SA-B) system and an indirect immunoassay were implemented on silicone films to improve the sensitivity of reaction results. Interestingly, these methods significantly improved detection results, resulting in sensitive detection of mycotoxins, including zearalenone (ZEA) ranging from 1 to 32 ng/mL, aflatoxin B1 (AFB1) ranging from 0.2 to 6.4 ng/mL, and ochratoxin A (OTA) ranging from 2 to 64 ng/mL. The recovery of samples reached 91.39-109.14%, which verified the reliability and practicability of the PAMP. This PAMP enables sensitive and rapid detection of multiple mycotoxins in markets or wineries that lack advanced laboratory facilities. Therefore, it is essential to develop a portable microfluidic platform for POCT to detect mycotoxins in real samples.
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Affiliation(s)
- Jun Liu
- Suqian Product Quality Supervision and Inspection Institute, Suqian 223800, China
| | - Shiyu Zeng
- School of Mechanical Engineering, Yangzhou University, Yangzhou 225127, China
| | - Haoyu Zhu
- School of Mechanical Engineering, Yangzhou University, Yangzhou 225127, China
| | - Xinhua Wan
- School of Mechanical Engineering, Yangzhou University, Yangzhou 225127, China
| | - A S M Muhtasim Fuad Sohan
- School of Electrical and Mechanical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Binfeng Yin
- School of Mechanical Engineering, Yangzhou University, Yangzhou 225127, China
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9
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Sampaolesi S, Pérez-Través L, Briand LE, Querol A. Bioactive volatiles of brewer's yeasts: Antifungal action of compounds produced during wort fermentation on Aspergillus sp. Int J Food Microbiol 2024; 417:110692. [PMID: 38640817 DOI: 10.1016/j.ijfoodmicro.2024.110692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 03/08/2024] [Accepted: 04/02/2024] [Indexed: 04/21/2024]
Abstract
Previous investigations proved the potential of Saccharomyces cerevisiae MBELGA62 and Pichia kudriavzevii MBELGA61 as suitable biocontrolling agents against Aspergillus sp. through the production of soluble and volatile bioactive antifungal compounds. The present study delves into those finding by means of the identification of the volatile compounds produced by brewer's strains that demonstrated fungistatic and fungicidal effects against Aspergillus flavus and A. parasiticus when cultured in brewer's wort agar plates. Traditional brewer's yeasts such as S. cerevisiae MBELGA62 and Saccharomyces pastorianus SAFS235 synthetize volatiles that fully inhibited mycelial development for up to 9 days at 30 °C. The non-conventional brewer's strains P. kudriavzevii MBELGA61 and Meyerozyma guilliermondii MUS122 increased the lag phase by >100% and significantly reduced the fungal growth rate by 27.5-43.0% and 15.4-31.4%, respectively. In this context, 2-phenylethanol, 2-phenylethyl acetate and benzyl alcohol were identified as the main antifungal agents involved in Aspergillus sp.'s inhibition.
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Affiliation(s)
- Sofía Sampaolesi
- Instituto de Agroquímica y Tecnología de Alimentos, IATA, CSIC. Catedrático Agustín Escardino Benlloch, 7, Paterna, 46980 Valencia, Spain; Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr Jorge J. Ronco" CINDECA, CCT La Plata-CONICET, UNLP, CICpBA, Calle 47 N(o) 257, B1900AJK La Plata, Buenos Aires, Argentina.
| | - Laura Pérez-Través
- Instituto de Agroquímica y Tecnología de Alimentos, IATA, CSIC. Catedrático Agustín Escardino Benlloch, 7, Paterna, 46980 Valencia, Spain.
| | - Laura E Briand
- Centro de Investigación y Desarrollo en Ciencias Aplicadas "Dr Jorge J. Ronco" CINDECA, CCT La Plata-CONICET, UNLP, CICpBA, Calle 47 N(o) 257, B1900AJK La Plata, Buenos Aires, Argentina.
| | - Amparo Querol
- Instituto de Agroquímica y Tecnología de Alimentos, IATA, CSIC. Catedrático Agustín Escardino Benlloch, 7, Paterna, 46980 Valencia, Spain.
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10
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Sánchez-Arroyo A, Plaza-Vinuesa L, de Las Rivas B, Mancheño JM, Muñoz R. Structural and functional analysis of the key enzyme responsible for the degradation of ochratoxin A in the Alcaligenes genus. Int J Biol Macromol 2024; 267:131342. [PMID: 38574921 DOI: 10.1016/j.ijbiomac.2024.131342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 03/01/2024] [Accepted: 04/01/2024] [Indexed: 04/06/2024]
Abstract
The potential to degrade ochratoxin A (OTA), a highly poisonous mycotoxin, was investigated in cultures from Alcaligenes-type strains. Genome sequence analyses from different Alcaligenes species have permitted us to demonstrate a direct, causal link between the gene coding a known N-acyl-L-amino acid amidohydrolase from A. faecalis (AfOTH) and the OTA-degrading activity of this bacterium. In agreement with this finding, we found the gene coding AfOTH in two additional species included in the Alcaligenes genus, namely, A. pakistanensis, and A. aquatilis, which also degraded OTA. Notably, A. faecalis subsp. faecalis DSM 30030T was able to transform OTα, the product of OTA hydrolysis. AfOTH from A. faecalis subsp. phenolicus DSM 16503T was recombinantly over-produced and enzymatically characterized. AfOTH is a Zn2+-containing metalloenzyme that possesses structural features and conserved residues identified in the M20D family of enzymes. AfOTH is a tetramer in solution that shows both aminoacylase and carboxypeptidase activities. Using diverse potential substrates, namely, N-acetyl-L-amino acids and carbobenzyloxy-L-amino acids, a marked preference towards C-terminal Phe and Tyr residues could be deduced. The structural basis for this specificity has been determined by in silico molecular docking analyses. The amidase activity of AfOTH on C-terminal Phe residues structurally supports its OTA and OTB degradation activity.
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Affiliation(s)
- Ana Sánchez-Arroyo
- Bacterial Biotechnology Laboratory, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040 Madrid, Spain
| | - Laura Plaza-Vinuesa
- Bacterial Biotechnology Laboratory, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040 Madrid, Spain
| | - Blanca de Las Rivas
- Bacterial Biotechnology Laboratory, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040 Madrid, Spain
| | - José Miguel Mancheño
- Department of Crystallography and Structural Biology, Institute of Physical Chemistry Blas Cabrera (IQF), CSIC, Serrano 119, 28006 Madrid, Spain.
| | - Rosario Muñoz
- Bacterial Biotechnology Laboratory, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040 Madrid, Spain.
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11
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Sun Z, You Y, Xu H, You Y, He W, Wang Z, Li A, Xia Y. Food-Grade Expression of Two Laccases in Pichia pastoris and Study on Their Enzymatic Degradation Characteristics for Mycotoxins. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38600054 DOI: 10.1021/acs.jafc.4c00521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Mycotoxin contamination poses substantial health risks to humans and animals. In this study, the two laccases PpLac1 and AoLac2 from Pleurotus pulmonarius and Aspergillus oryzae were selected and heterologously expressed in Pichia pastoris in a food-grade manner to detoxify aflatoxin B1 (AFB1), zearalenone (ZEN), and deoxynivalenol (DON). Both laccases exhibited degradation activity toward these three mycotoxins, while the efficiency of these for DON was relatively low. Therefore, molecular docking between these laccases and DON was conducted to analyze their potential interaction mechanisms. Furthermore, the degradation conditions of AFB1 and ZEN by the two laccases were optimized, and the optimal degradation rates for AFB1 and ZEN by PpLac1 reached 78.51 and 78.90%, while those for AFB1 and ZEN by AoLac2 reached 72.27 and 80.60%, respectively. The laccases PpLac1 and AoLac2 successfully transformed AFB1 and ZEN into the compounds AFQ1 and 15-OH-ZEN, which were 90 and 98% less toxic than the original compounds, respectively. Moreover, the culture supernatants demonstrated effective mycotoxin degradation results for AFB1 and ZEN in contaminated feed samples. The residual levels of AFB1 and ZEN in all samples ranged from 6.61 to 8.72 μg/kg and 3.44 to 98.15 μg/kg, respectively, and these levels were below the limit set by the European Union standards. All of the results in this study indicated that the two laccases have excellent application potential in the feed industry.
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Affiliation(s)
- Zhen Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yingxin You
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Huidong Xu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yang You
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wenjing He
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Aitao Li
- School of Life Sciences, Hubei University, Wuhan 430062, China
| | - Yu Xia
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
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12
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Ma B, Niu J, Zhu H, Chi H, Lu Z, Lu F, Zhu P. Engineering substrate specificity of quinone-dependent dehydrogenases for efficient oxidation of deoxynivalenol to 3-keto-deoxynivalenol. Int J Biol Macromol 2024; 264:130484. [PMID: 38431002 DOI: 10.1016/j.ijbiomac.2024.130484] [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: 01/03/2024] [Revised: 02/22/2024] [Accepted: 02/26/2024] [Indexed: 03/05/2024]
Abstract
The oxidative reaction of Fusarium mycotoxin deoxynivalenol (DON) using the dehydrogenase is a desirable strategy and environmentally friendly to mitigate its toxicity. However, a critical issue for these dehydrogenases shows widespread substrate promiscuity. In this study, we conducted pocket reshaping of Devosia strain A6-243 pyrroloquinoline quinone (PQQ)-dependent dehydrogenase (DADH) on the basis of protein structure and kinetic analysis of substrate libraries to improve preference for particular substrate DON (10a). The variant presented an increased preference for substrate 10a and enhanced catalytic efficiency. A 4.7-fold increase in preference for substrate 10a was observed. Kinetic profiling and molecular dynamics (MD) simulations provided insights into the enhanced substrate specificity and activity. Moreover, the variant exhibited stronger conversion of substrate 10a to 3-keto-DON compared to the wild DADH. Overall, this study provides a feasible protocol for the redesign of PQQ-dependent dehydrogenases with favourable substrate specificity and catalytic activity, which is desperately needed for DON antidote development.
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Affiliation(s)
- Bin Ma
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jiafeng Niu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Hao Zhu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Huibing Chi
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhaoxin Lu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Fengxia Lu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
| | - Ping Zhu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
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13
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Sun Z, Fang Y, Zhu Y, Tian W, Yu J, Tang J. Biotransformation of zearalenone to non-estrogenic compounds with two novel recombinant lactonases from Gliocladium. BMC Microbiol 2024; 24:75. [PMID: 38454365 PMCID: PMC10921726 DOI: 10.1186/s12866-024-03226-3] [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: 01/01/2024] [Accepted: 02/15/2024] [Indexed: 03/09/2024] Open
Abstract
BACKGROUND The mycotoxin zearalenone (ZEA) produced by toxigenic fungi is widely present in cereals and its downstream products. The danger of ZEA linked to various human health issues has attracted increasing attention. Thus, powerful ZEA-degrading or detoxifying strategies are urgently needed. Biology-based detoxification methods are specific, efficient, and environmentally friendly and do not lead to negative effects during cereal decontamination. Among these, ZEA detoxification using degrading enzymes was documented to be a promising strategy in broad research. Here, two efficient ZEA-degrading lactonases from the genus Gliocladium, ZHDR52 and ZHDP83, were identified for the first time. This work studied the degradation capacity and properties of ZEA using purified recombinant ZHDR52 and ZHDP83. RESULTS According to the ZEA degradation study, transformed Escherichia coli BL21(DE3) PLySs cells harboring the zhdr52 or zhdp83 gene could transform 20 µg/mL ZEA within 2 h and degrade > 90% of ZEA toxic derivatives, α/β-zearalanol and α/β-zearalenol, within 6 h. Biochemical analysis demonstrated that the optimal pH was 9.0 for ZHDR52 and ZHDP83, and the optimum temperature was 45 °C. The purified recombinant ZHDR52 and ZHDP83 retained > 90% activity over a wide range of pH values and temperatures (pH 7.0-10.0 and 35-50 °C). In addition, the specific activities of purified ZHDR52 and ZHDP83 against ZEA were 196.11 and 229.64 U/mg, respectively. The results of these two novel lactonases suggested that, compared with ZHD101, these two novel lactonases transformed ZEA into different products. The slight position variations in E126 and H242 in ZDHR52/ZEA and ZHDP83/ZEA obtained via structural modelling may explain the difference in degradation products. Moreover, the MCF-7 cell proliferation assay indicated that the products of ZEA degradation using ZHDR52 and ZHDP83 did not exhibit estrogenic activity. CONCLUSIONS ZHDR52 and ZHDP83 are alkali ZEA-degrading enzymes that can efficiently and irreversibly degrade ZEA into non-estrogenic products, indicating that they are potential candidates for commercial application. This study identified two excellent lactonases for industrial ZEA detoxification.
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Affiliation(s)
- Zongping Sun
- Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Fuyang Normal University, Anhui, Fuyang, 236037, China
- The Anhui Agricultural University's Comprehensive Experimental Station in the Northwest of Anhui Province, Linquan Modern Agricultural Technology Cooperation and Extension Service Center, Anhui, Linquan, 236400, China
| | - Yuting Fang
- Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Fuyang Normal University, Anhui, Fuyang, 236037, China
| | - Yaohuan Zhu
- Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Fuyang Normal University, Anhui, Fuyang, 236037, China
| | - Wen Tian
- Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Fuyang Normal University, Anhui, Fuyang, 236037, China
| | - Junjie Yu
- Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Fuyang Normal University, Anhui, Fuyang, 236037, China
| | - Jun Tang
- Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Fuyang Normal University, Anhui, Fuyang, 236037, China.
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14
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Wang X, Cui L, Liu M, Qi Z, Luo H, Huang H, Tu T, Qin X, Wang Y, Zhang J, Wang Y, Yao B, Bai Y, Su X. Theoretical insights into the mechanism underlying aflatoxin B 1 transformation by the BsCotA-methyl syringate system. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 272:116049. [PMID: 38301584 DOI: 10.1016/j.ecoenv.2024.116049] [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: 09/11/2023] [Revised: 01/17/2024] [Accepted: 01/27/2024] [Indexed: 02/03/2024]
Abstract
Global concern exists regarding the contamination of food and animal feed with aflatoxin B1 (AFB1), which poses a threat to the health of both humans and animals. Previously, we found that a laccase from Bacillus subtilis (BsCotA) effectively detoxified AFB1 in a reaction mediated by methyl syringate (MS), although the underlying mechanism has not been determined. Therefore, our primary objective of this study was to explore the detoxification mechanism employed by BsCotA. First, the enzyme and mediator dependence of AFB1 transformation were studied using the BsCotA-MS system, which revealed the importance of MS radical formation during the oxidation process. Aflatoxin Q1 (AFQ1) resulting from the direct oxidation of AFB1 by BsCotA, was identified using ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The results of UPLC-MS/MS and density functional theory calculations indicated that the products included AFQ1, AFB1-, and AFD1-MS-coupled products in the BsCotA-MS system. The toxicity evaluations revealed that the substances derived from the transformation of AFB1 through the BsCotA-MS mechanism exhibited markedly reduced toxicity compared to AFB1. Finally, we proposed a set of different AFB1-transformation pathways generated by the BsCotA-MS system based on the identified products. These findings greatly enhance the understanding of the AFB1-transformation mechanism of the laccase-mediator system.
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Affiliation(s)
- Xiaolu Wang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Lin Cui
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Mengting Liu
- Key Laboratory of Neuropharmacology and Translational Medicine of Zhejiang Province, School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang, China
| | - Zheng Qi
- Engineering Research Center for Medicine, College of Pharmacy, Harbin University of Commerce, Harbin 150076, China
| | - Huiying Luo
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Huoqing Huang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Tao Tu
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xing Qin
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yuan Wang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jie Zhang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yaru Wang
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Bin Yao
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yingguo Bai
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Xiaoyun Su
- State Key Laboratory of Animal Nutrition and Feeding, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
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15
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Sánchez-Arroyo A, Plaza-Vinuesa L, Abeijón-Mukdsi MC, de Las Rivas B, Mancheño JM, Muñoz R. A new and promiscuous α/β hydrolase from Acinetobacter tandoii DSM 14970 T inactivates the mycotoxin ochratoxin A. Appl Microbiol Biotechnol 2024; 108:230. [PMID: 38393350 PMCID: PMC10891195 DOI: 10.1007/s00253-024-13073-x] [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: 10/17/2023] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024]
Abstract
The presence of ochratoxin A (OTA) in food and feed represents a serious concern since it raises severe health implications. Bacterial strains of the Acinetobacter genus hydrolyse the amide bond of OTA yielding non-toxic OTα and L-β-phenylalanine; in particular, the carboxypeptidase PJ15_1540 from Acinetobacter sp. neg1 has been identified as an OTA-degrading enzyme. Here, we describe the ability to transform OTA of cell-free protein extracts from Acinetobacter tandoii DSM 14970 T, a strain isolated from sludge plants, and also report on the finding of a new and promiscuous α/β hydrolase (ABH), with close homologs highly distributed within the Acinetobacter genus. ABH from A. tandoii (AtABH) exhibited amidase activity against OTA and OTB mycotoxins, as well as against several carboxypeptidase substrates. The predicted structure of AtABH reveals an α/β hydrolase core composed of a parallel, six-stranded β-sheet, with a large cap domain similar to the marine esterase EprEst. Further biochemical analyses of AtABH reveal that it is an efficient esterase with a similar specificity profile as EprEst. Molecular docking studies rendered a consistent OTA-binding mode. We proposed a potential procedure for preparing new OTA-degrading enzymes starting from promiscuous α/β hydrolases based on our results. KEY POINTS: • AtABH is a promiscuous αβ hydrolase with both esterase and amidohydrolase activities • AtABH hydrolyses the amide bond of ochratoxin A rendering nontoxic OTα • Promiscuous αβ hydrolases are a possible source of new OTA-degrading enzymes.
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Affiliation(s)
- Ana Sánchez-Arroyo
- Bacterial Biotechnology, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040, Madrid, Spain
| | - Laura Plaza-Vinuesa
- Bacterial Biotechnology, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040, Madrid, Spain
| | - María Claudia Abeijón-Mukdsi
- Bacterial Biotechnology, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040, Madrid, Spain
| | - Blanca de Las Rivas
- Bacterial Biotechnology, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040, Madrid, Spain
| | - José Miguel Mancheño
- Department of Crystallography and Structural Biology, Institute of Physical Chemistry Blas Cabrera, CSIC, Serrano 119, 28006, Madrid, Spain.
| | - Rosario Muñoz
- Bacterial Biotechnology, Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040, Madrid, Spain.
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16
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Cai P, Liu S, Tu Y, Shan T. Toxicity, biodegradation, and nutritional intervention mechanism of zearalenone. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 911:168648. [PMID: 37992844 DOI: 10.1016/j.scitotenv.2023.168648] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 11/24/2023]
Abstract
Zearalenone (ZEA), a global mycotoxin commonly found in a variety of grain products and animal feed, causes damage to the gastrointestinal tract, immune organs, liver and reproductive system. Many treatments, including physical, chemical and biological methods, have been reported for the degradation of ZEA. Each degradation method has different degradation efficacies and distinct mechanisms. In this article, the global pollution status, hazard and toxicity of ZEA are summarized. We also review the biological detoxification methods and nutritional regulation strategies for alleviating the toxicity of ZEA. Moreover, we discuss the molecular detoxification mechanism of ZEA to help explore more efficient detoxification methods to better reduce the global pollution and hazard of ZEA.
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Affiliation(s)
- Peiran Cai
- College of Animal Sciences, Zhejiang University, Hangzhou, China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, China
| | - Shiqi Liu
- College of Animal Sciences, Zhejiang University, Hangzhou, China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, China
| | - Yuang Tu
- College of Animal Sciences, Zhejiang University, Hangzhou, China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, China
| | - Tizhong Shan
- College of Animal Sciences, Zhejiang University, Hangzhou, China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, China.
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17
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Yang G, Yang Q, Beta T, Liu Q, Zhu Z, Shen F. Protective effects of melanoidins from black garlic on zearalenone-induced toxicity in zebrafish embryonic developmental model. Comp Biochem Physiol C Toxicol Pharmacol 2024; 276:109789. [PMID: 37951285 DOI: 10.1016/j.cbpc.2023.109789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 10/29/2023] [Accepted: 11/08/2023] [Indexed: 11/13/2023]
Abstract
Zearalenone (ZEN), a ubiquitous mycotoxin that widely occurs in grain and foodstuff may induce serious toxic effects after accumulation in vivo. Melanoidins (MLDs) have shown multiple bio-functional properties such as antioxidant, anti-bacterial and prebiotic activities. Black garlic exhibits several advantages over fresh garlic related to health improvement. In this study, the alleviative effects of black garlic MLDs on ZEN-induced toxicity and the potential mechanisms were studied using zebrafish embryonic developmental model. The results showed that MLDs restored the ZEN-induced adverse influences on zebrafish embryonic development, including delay in hatching time, morphological abnormality and the impairment of nervous development. Further studies showed that MLDs significantly inhibited the ZEN-induced production of reactive oxygen species (ROS) and enhanced the intrinsic antioxidant ability by increasing the activities of superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and catalase (CAT) and the content of glutathione (GSH). In addition, co-exposure of MLDs significantly inhibited the ZEN-stimulated cellular apoptosis in zebrafish larvae through down-regulation of pro-apoptotic genes of bax, caspase-3 and caspase-9 and up-regulation of anti-apoptotic gene bcl-2. Moreover, MLDs inhibited the in vivo accumulation of ZEN in zebrafish larvae. To sum up, MLDs attenuated the ZEN-induced zebrafish embryonic developmental toxicity through suppression of the oxidative stress and intervention on mitochondria apoptosis pathway as well as inhibiting the absorption of ZEN in zebrafish embryos/larvae. The results suggest that black garlic MLDs have potential to be used as a functional ingredient against the adverse effects of exogenous toxins.
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Affiliation(s)
- Guangchao Yang
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China. https://twitter.com/Guangchao666
| | - Qian Yang
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China.
| | - Trust Beta
- Department of Food and Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
| | - Qin Liu
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China.
| | - Zhenzhu Zhu
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Fei Shen
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
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18
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Liu T, Liu G, Xu Y, Huang Y, Zhang Y, Wu Y, Xu Y. Zearalenone Induces Blood-Testis Barrier Damage through Endoplasmic Reticulum Stress-Mediated Paraptosis of Sertoli Cells in Goats. Int J Mol Sci 2023; 25:553. [PMID: 38203724 PMCID: PMC10778680 DOI: 10.3390/ijms25010553] [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: 12/04/2023] [Revised: 12/28/2023] [Accepted: 12/29/2023] [Indexed: 01/12/2024] Open
Abstract
Zearalenone (ZEA) is present worldwide as a serious contaminant of food and feed and causes male reproductive toxicity. The implication of paraptosis, which is a nonclassical paradigm of cell death, is unclear in ZEA-induced male reproductive disorders. In this study, the toxic effects of ZEA on the blood-testis barrier (BTB) and the related mechanisms of paraptosis were detected in goats. ZEA exposure, in vivo, caused a significant decrease in spermatozoon quality, the destruction of seminiferous tubules, and damage to the BTB integrity. Furthermore, ZEA exposure to Sertoli cells (SCs) in vitro showed similar dysfunction in structure and barrier function. Importantly, the formation of massive cytoplasmic vacuoles in ZEA-treated SCs corresponded to the highly swollen and dilative endoplasmic reticulum (ER), and paraptosis inhibition significantly alleviated ZEA-induced SC death and vacuolization, which indicated the important contribution of paraptosis in ZEA-induced BTB damage. Meanwhile, the expression of ER stress marker proteins was increased after ZEA treatment but decreased under the inhibition of paraptosis. The vacuole formation and SC death, induced by ZEA, were remarkably blocked by ER stress inhibition. In conclusion, these results facilitate the exploration of the mechanisms of the SC paraptosis involved in ZEA-induced BTB damage in goats.
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Affiliation(s)
- Tengfei Liu
- College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China; (T.L.); (G.L.); (Y.X.); (Y.Z.)
| | - Gengchen Liu
- College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China; (T.L.); (G.L.); (Y.X.); (Y.Z.)
| | - Yinghuan Xu
- College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China; (T.L.); (G.L.); (Y.X.); (Y.Z.)
| | - Yuqi Huang
- College of Life Sciences, Northwest A&F University, Xianyang 712100, China;
| | - Yunxuan Zhang
- College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China; (T.L.); (G.L.); (Y.X.); (Y.Z.)
| | - Yongjie Wu
- College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China; (T.L.); (G.L.); (Y.X.); (Y.Z.)
| | - Yongping Xu
- College of Veterinary Medicine, Northwest A&F University, Xianyang 712100, China; (T.L.); (G.L.); (Y.X.); (Y.Z.)
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Fang J, Sheng L, Ye Y, Ji J, Sun J, Zhang Y, Sun X. Recent advances in biosynthesis of mycotoxin-degrading enzymes and their applications in food and feed. Crit Rev Food Sci Nutr 2023:1-17. [PMID: 38108665 DOI: 10.1080/10408398.2023.2294166] [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: 12/19/2023]
Abstract
Mycotoxins are secondary metabolites produced by fungi in food and feed, which can cause serious health problems. Bioenzymatic degradation is gaining increasing popularity due to its high specificity, gentle degradation conditions, and environmental friendliness. We reviewed recently reported biosynthetic mycotoxin-degrading enzymes, traditional and novel expression systems, enzyme optimization strategies, food and feed applications, safety evaluation of both degrading enzymes and degradation products, and commercialization potentials. Special emphasis is given to the novel expression systems, advanced optimization strategies, and safety considerations for industrial use. Over ten types of recombinases such as oxidoreductase and hydrolase have been studied in the enzymatic hydrolysis of mycotoxins. Besides traditional expression system of Escherichia coli and yeasts, these enzymes can also be expressed in novel systems such as Bacillus subtilis and lactic acid bacteria. To meet the requirements of industrial applications in terms of degradation efficacy and stability, genetic engineering and computational tools are used to optimize enzymatic expression. Currently, registration and technical difficulties have restricted commercial application of mycotoxin-degrading enzymes. To overcome these obstacles, systematic safety evaluation of both biosynthetic enzymes and their degradation products, in-depth understanding of degradation mechanisms and a comprehensive evaluation of their impact on food and feed quality are urgently needed.
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Affiliation(s)
- Jinpei Fang
- School of Food Science and Technology, International Joint Laboratory on Food Safety, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, P.R. China
- Yixing Institute of Food and Biotechnology Co, Ltd, Yixing, Jiangsu, P.R China
| | - Lina Sheng
- School of Food Science and Technology, International Joint Laboratory on Food Safety, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, P.R. China
- Yixing Institute of Food and Biotechnology Co, Ltd, Yixing, Jiangsu, P.R China
| | - Yongli Ye
- School of Food Science and Technology, International Joint Laboratory on Food Safety, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, P.R. China
- Yixing Institute of Food and Biotechnology Co, Ltd, Yixing, Jiangsu, P.R China
| | - Jian Ji
- School of Food Science and Technology, International Joint Laboratory on Food Safety, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, P.R. China
- Yixing Institute of Food and Biotechnology Co, Ltd, Yixing, Jiangsu, P.R China
| | - Jiadi Sun
- School of Food Science and Technology, International Joint Laboratory on Food Safety, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, P.R. China
- Yixing Institute of Food and Biotechnology Co, Ltd, Yixing, Jiangsu, P.R China
| | - Yinzhi Zhang
- School of Food Science and Technology, International Joint Laboratory on Food Safety, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, P.R. China
- Yixing Institute of Food and Biotechnology Co, Ltd, Yixing, Jiangsu, P.R China
| | - Xiulan Sun
- School of Food Science and Technology, International Joint Laboratory on Food Safety, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, P.R. China
- Yixing Institute of Food and Biotechnology Co, Ltd, Yixing, Jiangsu, P.R China
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20
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Yu MH, Pang YH, Yang C, Liao JW, Shen XF. Electrochemical oxidation diminished toxicity of zearalenone significantly, while reduction increased. Food Chem 2023; 429:136768. [PMID: 37453332 DOI: 10.1016/j.foodchem.2023.136768] [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: 05/04/2023] [Revised: 06/28/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023]
Abstract
Zearalenone (ZEN), one of the most common mycotoxins in cereals, poses a severe health risk to humans. In this study, electrochemical oxidation and reduction degraded ZEN in solution completely within 8 min and 20 min. The structure of ZEN products was elucidated by mass spectrometry (MS), and their toxicity was evaluated by ECOSAR software and cytotoxicity assay. From simulation, electrochemical oxidation products had lower acute and chronic toxicity, and the product at 9.0 V is not harmful (LC50/EC50 greater than 100 mg/L, ChV greater than 10 mg/L). CCK-8 assay further confirmed their less cytotoxicity. To our surprise, LC50, EC50, and ChVs of all electrochemical reduction products were lower than 1 mg/L, and cell viabilities were less than ZEN, meaning the higher toxicity of electrochemical reduction products. On this Basis, electrochemical oxidation was applied in ZEN contaminated wheat with a degradation rate of 92.32 ± 2.37%, indicating its potential to degrade ZEN practically.
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Affiliation(s)
- Ming-Hang Yu
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yue-Hong Pang
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Cheng Yang
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Jun-Wei Liao
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xiao-Fang Shen
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China.
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21
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Hao WB, Gu X, Yu X, Zhao Y, Li C, Jia M, Du XD. Laccase Lac-W detoxifies aflatoxin B 1 and degrades five other major mycotoxins in the absence of redox mediators. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 338:122581. [PMID: 37748638 DOI: 10.1016/j.envpol.2023.122581] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/24/2023] [Accepted: 09/16/2023] [Indexed: 09/27/2023]
Abstract
A multicopper oxidase Lac-W from Weizmannia coagulans 36D1 was identified and characterized as a laccase (Lac-W) with a robust enzymatic activity, which was used in various mycotoxins degradation. We demonstrated that Lac-W could directly degrade six major mycotoxins in the absence of redox mediators in pH 9.0, 24h static incubation at room temperature, including aflatoxin B1 (AFB1, 88%), zearalenone (60%), deoxynivalenol (34%), T-2 toxin (19%), fumonisin B1 (18%), and ochratoxin A (12%). The optimal condition for Lac-W to degrade AFB1 was 30 °C, pH 9.0, enzyme-substrate ratio 3U/μg in 24h static condition. Furthermore, we characterized aflatoxin Q1 as a Lac-W-mediated degradation product of AFB1 using UHPLC-MS/MS. Interestingly, degradation products of AFB1 failed to generate cell death and apoptosis of intestinal porcine epithelial cells. Finally, our molecular docking simulation results revealed that the substrate-binding pocket of Lac-W was large enough to allow the entry of six mycotoxins with different structures, and their degradation rates were positively correlated to their interacting affinity with Lac-W. In summary, the unique properties of the Lac-W make it a great candidate for detoxifying multiple mycotoxins contaminated food and feed cost-effectively and eco-friendly. Our study provides new insights into development of versatile enzymes which could simultaneously degrade multiple mycotoxins.
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Affiliation(s)
- Wen-Bo Hao
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, China
| | - Xiaodan Gu
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, China
| | - Xiaohu Yu
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, China
| | - Youbao Zhao
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, China
| | - Chenglong Li
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, China
| | - Mengshuang Jia
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, China
| | - Xiang-Dang Du
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, China.
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22
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Sinelnikov I, Mikityuk O, Shcherbakova L, Nazarova T, Denisenko Y, Rozhkova A, Statsyuk N, Zorov I. Recombinant Oxidase from Armillaria tabescens as a Potential Tool for Aflatoxin B1 Degradation in Contaminated Cereal Grain. Toxins (Basel) 2023; 15:678. [PMID: 38133182 PMCID: PMC10747862 DOI: 10.3390/toxins15120678] [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: 11/02/2023] [Revised: 11/28/2023] [Accepted: 11/29/2023] [Indexed: 12/23/2023] Open
Abstract
Forage grain contamination with aflatoxin B1 (AFB1) is a global problem, so its detoxification with the aim of providing feed safety and cost-efficiency is still a relevant issue. AFB1 degradation by microbial enzymes is considered to be a promising detoxification approach. In this study, we modified an previously developed Pichia pastoris GS115 expression system using a chimeric signal peptide to obtain a new recombinant producer of extracellular AFB1 oxidase (AFO) from Armillaria tabescens (the yield of 0.3 g/L), purified AFO, and selected optimal conditions for AFO-induced AFB1 removal from model solutions. After a 72 h exposure of the AFB1 solution to AFO at pH 6.0 and 30 °C, 80% of the AFB1 was degraded. Treatments with AFO also significantly reduced the AFB1 content in wheat and corn grain inoculated with Aspergillus flavus. In grain samples contaminated with several dozen micrograms of AFB1 per kg, a 48 h exposure to AFO resulted in at least double the reduction in grain contamination compared to the control, while the same treatment of more significantly (~mg/kg) AFB1-polluted samples reduced their contamination by ~40%. These findings prove the potential of the tested AFO for cereal grain decontamination and suggest that additional studies to stabilize AFO and improve its AFB1-degrading efficacy are required.
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Affiliation(s)
- Igor Sinelnikov
- Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences, 119071 Moscow, Russia; (Y.D.); (A.R.); (I.Z.)
| | - Oleg Mikityuk
- All-Russian Research Institute of Phytopathology, Bolshie Vyazemy, 143050 Moscow, Russia; (O.M.); (N.S.)
| | - Larisa Shcherbakova
- All-Russian Research Institute of Phytopathology, Bolshie Vyazemy, 143050 Moscow, Russia; (O.M.); (N.S.)
| | - Tatyana Nazarova
- All-Russian Research Institute of Phytopathology, Bolshie Vyazemy, 143050 Moscow, Russia; (O.M.); (N.S.)
| | - Yury Denisenko
- Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences, 119071 Moscow, Russia; (Y.D.); (A.R.); (I.Z.)
| | - Alexandra Rozhkova
- Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences, 119071 Moscow, Russia; (Y.D.); (A.R.); (I.Z.)
| | - Natalia Statsyuk
- All-Russian Research Institute of Phytopathology, Bolshie Vyazemy, 143050 Moscow, Russia; (O.M.); (N.S.)
| | - Ivan Zorov
- Federal Research Centre “Fundamentals of Biotechnology” of the Russian Academy of Sciences, 119071 Moscow, Russia; (Y.D.); (A.R.); (I.Z.)
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23
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Gómez M, Casado A, Caro I. Assessing the Effect of Flour (White or Whole-Grain) and Process (Direct or Par-Baked) on the Mycotoxin Content of Bread in Spain. Foods 2023; 12:4240. [PMID: 38231598 DOI: 10.3390/foods12234240] [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: 10/13/2023] [Revised: 11/19/2023] [Accepted: 11/21/2023] [Indexed: 01/19/2024] Open
Abstract
Bread is the staple food in many parts of the world. Like other foods, bread can contain mycotoxins resulting from microbial development throughout the supply chain (from field to table). In this study, baguette-style bread from small artisanal bakeries (direct) and supermarkets (par-baked loaves made by large companies) in Castile and Leon (Spain) was analyzed. Both white and whole-grain breads were collected from all retail outlets. The mycotoxins analyzed included deoxynivalenol (DON), ochratoxin (OTA), and aflatoxin B1 and B2 (AFB1, AFB2). All of the bread samples studied had mycotoxin levels below the maximum limits established by legislation. The presence of DON was higher than that of OTA, and AFB1 and AFB2 could not be quantified. Industrial breads had higher levels of DON and OTA (only in the whole-grain breads) compared to artisanal breads. However, no significant differences were found between white and industrial breads beyond those mentioned above. These results demonstrate that the established control chains ensure low mycotoxin content in bread of this type.
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Affiliation(s)
- Manuel Gómez
- Food Technology Area, College of Agricultural Engineering, University of Valladolid, 34071 Palencia, Spain
| | - Andrea Casado
- Food Technology Area, College of Agricultural Engineering, University of Valladolid, 34071 Palencia, Spain
- Food Science and Nutrition, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain
| | - Irma Caro
- Food Science and Nutrition, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain
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24
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Gao S, Wang K, Xiong K, Xiao S, Wu C, Zhou M, Li L, Yuan G, Jiang L, Xiong Q, Yang L. Unraveling the Nrf2-ARE Signaling Pathway in the DF-1 Chicken Fibroblast Cell Line: Insights into T-2 Toxin-Induced Oxidative Stress Regulation. Toxins (Basel) 2023; 15:627. [PMID: 37999490 PMCID: PMC10674583 DOI: 10.3390/toxins15110627] [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: 09/22/2023] [Revised: 10/21/2023] [Accepted: 10/24/2023] [Indexed: 11/25/2023] Open
Abstract
The T-2 toxin (T2) poses a major threat to the health and productivity of animals. The present study aimed to investigate the regulatory mechanism of Nrf2 derived from broilers against T2-induced oxidative damage. DF-1 cells, including those with normal characteristics, as well as those overexpressing or with a knockout of specific components, were exposed to a 24 h treatment of 50 nM T2. The primary objective was to evaluate the indicators associated with oxidative stress and the expression of downstream antioxidant factors regulated by the Nrf2-ARE signaling pathway, at both the mRNA and protein levels. The findings of this study demonstrated a noteworthy relationship between the up-regulation of the Nrf2 protein and a considerable reduction in the oxidative stress levels within DF-1 cells (p < 0.05). Furthermore, this up-regulation was associated with a notable increase in the mRNA and protein levels of antioxidant factors downstream of the Nrf2-ARE signaling pathway (p < 0.05). Conversely, the down-regulation of the Nrf2 protein was linked to a marked elevation in oxidative stress levels in DF-1 cells (p < 0.05). Additionally, this down-regulation resulted in a significant decrease in both the mRNA and protein expression of antioxidant factors (p < 0.05). This experiment lays a theoretical foundation for investigating the detrimental impacts of T2 on broiler chickens. It also establishes a research framework for employing the Nrf2 protein in broiler chicken production and breeding. Moreover, it introduces novel insights for the prospective management of oxidative stress-related ailments in the livestock and poultry industry.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Lingchen Yang
- College of Veterinary Medicine, Hunan Agricultural University, No. 1 Nongda Road, Furong District, Changsha 410128, China; (S.G.); (K.W.); (K.X.); (S.X.); (C.W.); (M.Z.); (L.L.); (G.Y.); (L.J.); (Q.X.)
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25
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Tu Y, Liu S, Cai P, Shan T. Global distribution, toxicity to humans and animals, biodegradation, and nutritional mitigation of deoxynivalenol: A review. Compr Rev Food Sci Food Saf 2023; 22:3951-3983. [PMID: 37421323 DOI: 10.1111/1541-4337.13203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/18/2023] [Accepted: 06/05/2023] [Indexed: 07/10/2023]
Abstract
Deoxynivalenol (DON) is one of the main types of B trichothecenes, and it causes health-related issues in humans and animals and imposes considerable challenges to food and feed safety globally each year. This review investigates the global hazards of DON, describes the occurrence of DON in food and feed in different countries, and systematically uncovers the mechanisms of the various toxic effects of DON. For DON pollution, many treatments have been reported on the degradation of DON, and each of the treatments has different degradation efficacies and degrades DON by a distinct mechanism. These treatments include physical, chemical, and biological methods and mitigation strategies. Biodegradation methods include microorganisms, enzymes, and biological antifungal agents, which are of great research significance in food processing because of their high efficiency, low environmental hazards, and drug resistance. And we also reviewed the mechanisms of biodegradation methods of DON, the adsorption and antagonism effects of microorganisms, and the different chemical transformation mechanisms of enzymes. Moreover, nutritional mitigation including common nutrients (amino acids, fatty acids, vitamins, and microelements) and plant extracts was discussed in this review, and the mitigation mechanism of DON toxicity was elaborated from the biochemical point of view. These findings help explore various approaches to achieve the best efficiency and applicability, overcome DON pollution worldwide, ensure the sustainability and safety of food processing, and explore potential therapeutic options with the ability to reduce the deleterious effects of DON in humans and animals.
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Affiliation(s)
- Yuang Tu
- College of Animal Sciences, Zhejiang University, Hangzhou, China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, China
- Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang, PR China
| | - Shiqi Liu
- College of Animal Sciences, Zhejiang University, Hangzhou, China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, China
- Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang, PR China
| | - Peiran Cai
- College of Animal Sciences, Zhejiang University, Hangzhou, China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, China
- Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang, PR China
| | - Tizhong Shan
- College of Animal Sciences, Zhejiang University, Hangzhou, China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, China
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26
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Deng J, Huang JC, Xu ZJ, Liu Y, Karrow NA, Liu M, Sun LH. Remediation Strategies for Mycotoxins in Animal Feed. Toxins (Basel) 2023; 15:513. [PMID: 37755939 PMCID: PMC10535302 DOI: 10.3390/toxins15090513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/14/2023] [Accepted: 08/18/2023] [Indexed: 09/28/2023] Open
Abstract
Mycotoxins occur widely in various animal feedstuffs, with more than 500 mycotoxins identified so far [...].
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Affiliation(s)
- Jiang Deng
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Frontiers Science Center for Animal Breeding and Sustainable Production, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan 430070, China; (J.D.)
| | - Jun-Cheng Huang
- Hubei Jin Xu Agricultural Development Limited by Share Ltd., Wuhan 430015, China
| | - Ze-Jing Xu
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Frontiers Science Center for Animal Breeding and Sustainable Production, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan 430070, China; (J.D.)
| | - Ying Liu
- Tianjin Animal Disease Prevention and Control Center, Tianjin 300402, China
| | | | - Meng Liu
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Frontiers Science Center for Animal Breeding and Sustainable Production, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan 430070, China; (J.D.)
| | - Lv-Hui Sun
- State Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, Frontiers Science Center for Animal Breeding and Sustainable Production, College of Animal Sciences and Technology, Huazhong Agricultural University, Wuhan 430070, China; (J.D.)
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27
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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: 3] [Impact Index Per Article: 3.0] [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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28
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Zhu Q, Fei YJ, Wu YB, Luo DL, Chen M, Sun K, Zhang W, Dai CC. Endophytic Fungus Reshapes Spikelet Microbiome to Reduce Mycotoxin Produced by Fusarium proliferatum through Altering Rice Metabolites. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37466504 DOI: 10.1021/acs.jafc.3c02616] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Rice spikelet rot disease (RSRD) caused by Fusarium proliferatum seriously reduces rice yield and produces mycotoxins that threaten human health. The root symbiotic endophytic fungus Phomopsis liquidambaris reduces RSRD incidence and fumonisins accumulation in grain by 21.5 and 9.3%, respectively, while the mechanism of disease resistance remains largely elusive. Here, we found that B3 significantly reduced the abundance of pathogen from 79.91 to 2.84% and considerably enriched resistant microbes Pseudomonas and Proteobacteria in the spikelet microbial community. Further study revealed that B3 altered the metabolites of spikelets, especially hordenine and l-aspartic acid, which played a key role in reshaping the microbiome and supporting the growth of the functional core microbe Pseudomonas, and inhibited the pathogen growth and mycotoxin production. This study provided a feasibility of regulating the function of aboveground microbial communities by manipulating plant subsurface tissues to control disease and mycotoxin pollutants in agricultural production.
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Affiliation(s)
- Qiang Zhu
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Sciences, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Yan-Jun Fei
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Sciences, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Yi-Bo Wu
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Sciences, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - De-Lin Luo
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Sciences, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Man Chen
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Sciences, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Kai Sun
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Sciences, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Wei Zhang
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Sciences, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Chuan-Chao Dai
- Jiangsu Key Laboratory for Microbes and Functional Genomics, Jiangsu Engineering and Technology Research Center for Industrialization of Microbial Resources, College of Life Sciences, Nanjing Normal University, Nanjing, Jiangsu 210023, China
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29
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Yang P, Wu W, Zhang D, Cao L, Cheng J. AFB 1 Microbial Degradation by Bacillus subtilis WJ6 and Its Degradation Mechanism Exploration Based on the Comparative Transcriptomics Approach. Metabolites 2023; 13:785. [PMID: 37512492 PMCID: PMC10385142 DOI: 10.3390/metabo13070785] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 06/19/2023] [Accepted: 06/22/2023] [Indexed: 07/30/2023] Open
Abstract
Aflatoxin pollution poses great harm to human and animal health and causes huge economic losses. The biological detoxification method that utilizes microorganisms and their secreted enzymes to degrade aflatoxin has the advantages of strong specificity, high efficiency, and no pollution inflicted onto the environment. In this study, Bacillus subtilis WJ6 with a high efficiency in aflatoxin B1 degradation was screened and identified through molecular identification, physiological, and biochemical methods. The fermentation broth, cell-free supernatant, and cell suspension degraded 81.57%, 73.27%, and 8.39% of AFB1, respectively. The comparative transcriptomics analysis indicated that AFB1 led to 60 up-regulated genes and 31 down-regulated genes in B. subtilis WJ6. A gene ontology (GO) analysis showed that the function classifications of cell aggregation, the organizational aspect, and the structural molecule activity were all of large proportions among the up-regulated genes. The down-regulated gene expression was mainly related to the multi-organism process function under the fermentation condition. Therefore, B. subtilis WJ6 degraded AFB1 through secreted extracellular enzymes with the up-regulated genes of structural molecule activity and down-regulated genes of multi-organism process function.
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Affiliation(s)
- Peizhou Yang
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Wenjing Wu
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Danfeng Zhang
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Lili Cao
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Jieshun Cheng
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
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Arteshi Y, Lima D, Tittlemier SA, Kuss S. Rapid and inexpensive voltammetric detection of ochratoxin A in wheat matrices. Bioelectrochemistry 2023; 152:108451. [PMID: 37150089 DOI: 10.1016/j.bioelechem.2023.108451] [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: 02/11/2023] [Revised: 04/17/2023] [Accepted: 04/19/2023] [Indexed: 05/09/2023]
Abstract
Produced as toxic metabolites by fungi, mycotoxins, such as ochratoxin A (OTA), contaminate grain and animal feed and cause great economic losses. Herein, we report the fabrication of an electrochemical sensor consisting of an inexpensive and label-free carbon black-graphite paste electrode (CB-G-CPE), which was fully optimized to detect OTA in durum wheat matrices using differential pulse voltammetry (DPV). The effect of carbon paste composition, electrolyte pH and DPV parameters were studied to determine the optimum conditions for the electroanalytical determination of OTA. Full factorial and central composite experimental designs (FFD and CCD) were used to optimize DPV parameters, namely pulse width, pulse height, step height and step time. The developed electrochemical sensor successfully detected OTA with detection and quantification limits equal to 57.2 nM (0.023 µg mL-1) and 190.6 nM (0.077 µg mL-1), respectively. The accuracy and precision of the presented CB-G-CPE was used to successfully quantify OTA in real wheat matrices. This study presents an inexpensive and user-friendly method with potential applications in grain quality control.
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Affiliation(s)
- Yaser Arteshi
- Department of Chemistry, University of Manitoba, 144, Dysart Road, R3T 2N2 Winnipeg, MB, Canada.
| | - Dhésmon Lima
- Department of Chemistry, University of Manitoba, 144, Dysart Road, R3T 2N2 Winnipeg, MB, Canada.
| | | | - Sabine Kuss
- Department of Chemistry, University of Manitoba, 144, Dysart Road, R3T 2N2 Winnipeg, MB, Canada.
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Zhang J, Tang X, Cai Y, Zhou WW. Mycotoxin Contamination Status of Cereals in China and Potential Microbial Decontamination Methods. Metabolites 2023; 13:metabo13040551. [PMID: 37110209 PMCID: PMC10143121 DOI: 10.3390/metabo13040551] [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: 02/09/2023] [Revised: 04/05/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
The presence of mycotoxins in cereals can pose a significant health risk to animals and humans. China is one of the countries that is facing cereal contamination by mycotoxins. Treating mycotoxin-contaminated cereals with established physical and chemical methods can lead to negative effects, such as the loss of nutrients, chemical residues, and high energy consumption. Therefore, microbial detoxification techniques are being considered for reducing and treating mycotoxins in cereals. This paper reviews the contamination of aflatoxins, zearalenone, deoxynivalenol, fumonisins, and ochratoxin A in major cereals (rice, wheat, and maize). Our discussion is based on 8700 samples from 30 provincial areas in China between 2005 and 2021. Previous research suggests that the temperature and humidity in the highly contaminated Chinese cereal-growing regions match the growth conditions of potential antagonists. Therefore, this review takes biological detoxification as the starting point and summarizes the methods of microbial detoxification, microbial active substance detoxification, and other microbial inhibition methods for treating contaminated cereals. Furthermore, their respective mechanisms are systematically analyzed, and a series of strategies for combining the above methods with the treatment of contaminated cereals in China are proposed. It is hoped that this review will provide a reference for subsequent solutions to cereal contamination problems and for the development of safer and more efficient methods of biological detoxification.
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Affiliation(s)
- Jing Zhang
- College of Biosystems Engineering and Food Science, Ningbo Research Institute, Zhejiang University, Hangzhou 310058, China
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW 2006, Australia
| | - Xi Tang
- College of Biosystems Engineering and Food Science, Ningbo Research Institute, Zhejiang University, Hangzhou 310058, China
| | - Yifan Cai
- College of Biosystems Engineering and Food Science, Ningbo Research Institute, Zhejiang University, Hangzhou 310058, China
| | - Wen-Wen Zhou
- College of Biosystems Engineering and Food Science, Ningbo Research Institute, Zhejiang University, Hangzhou 310058, China
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32
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Approaches for a more microbiologically and chemically safe dried fruit supply chain. Curr Opin Biotechnol 2023; 80:102912. [PMID: 36841150 DOI: 10.1016/j.copbio.2023.102912] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/17/2023] [Accepted: 01/25/2023] [Indexed: 02/27/2023]
Abstract
Global production of dried fruits has increased significantly in the past decade. Both the increased consumer acceptance of nutritious packaged food and the broad use of dried fruits in products such as confectionery and bakery goods have fueled the dried fruit demand. Unfortunately, outbreaks and recalls due to contamination by pathogenic bacteria and viruses as well as the detection of mycotoxins highlight the need for optimizing current approaches, and evaluating and adopting newer interventions to protect the microbial and chemical safety of dried fruits. Drying processes alone are inadequate to control these hazards. Pre- and post-drying treatments serve as promising opportunities, with or without combination with the drying step, to achieve the goals of efficient hazard control.
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Sánchez-Arroyo A, Plaza-Vinuesa L, Rivas BDL, Mancheño JM, Muñoz R. The salicylate 1,2-dioxygenase from Pseudaminobacter salicylatoxidans DSM 6986T is a bifunctional enzyme that inactivates the mycotoxin ochratoxin A by a novel amidohydrolase activity. Int J Biol Macromol 2023; 237:124230. [PMID: 36990411 DOI: 10.1016/j.ijbiomac.2023.124230] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/14/2023] [Accepted: 03/25/2023] [Indexed: 03/30/2023]
Abstract
The salicylate 1,2-dioxygenase from the bacterium Pseudaminobacter salicylatoxidans DSM 6986T (PsSDO) is a versatile metalloenzyme that participates in the aerobic biodegradation of aromatic compounds, such as gentisates and salicylates. Surprisingly, and unrelated to this metabolic role, it has been reported that PsSDO may transform the mycotoxin ochratoxin A (OTA), a molecule that appears in numerous food products that results in serious biotechnological concern. In this work, we show that PsSDO, together with its dioxygenase activity, behaves as an amidohydrolase with a marked specificity for substrates containing a C-terminal phenylalanine residue, similar to OTA, although its presence is not an absolute requirement. This side chain would establish aromatic stacking interactions with the indole ring of Trp104. PsSDO hydrolysed the amide bond of OTA rendering the much less toxic ochratoxin α and L-β-phenylalanine. The binding mode of OTA and of a diverse set of synthetic carboxypeptidase substrates these substrates have been characterized by molecular docking simulations, which has permitted us to propose a catalytic mechanism of hydrolysis by PsSDO that, similarly to metallocarboxypeptidases, assumes a water-induced pathway following a general acid/base mechanism in which the side chain of Glu82 would provide the solvent nucleophilicity required for the enzymatic reaction. Since the PsSDO chromosomal region, absent in other Pseudaminobacter strains, contained a set of genes present in conjugative plasmids, it could have been acquired by horizontal gene transfer, probably from a Celeribacter strain.
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Affiliation(s)
- Ana Sánchez-Arroyo
- Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040 Madrid, Spain
| | - Laura Plaza-Vinuesa
- Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040 Madrid, Spain
| | - Blanca de Las Rivas
- Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040 Madrid, Spain
| | - José Miguel Mancheño
- Department of Crystallography and Structural Biology, Institute of Physical Chemistry Rocasolano, CSIC, Serrano 119, 28006 Madrid, Spain.
| | - Rosario Muñoz
- Institute of Food Science, Technology and Nutrition (ICTAN), CSIC, José Antonio Novais 6, 28040 Madrid, Spain.
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Simões L, Fernandes N, Teixeira J, Abrunhosa L, Dias DR. Brazilian Table Olives: A Source of Lactic Acid Bacteria with Antimycotoxigenic and Antifungal Activity. Toxins (Basel) 2023; 15:71. [PMID: 36668890 PMCID: PMC9866039 DOI: 10.3390/toxins15010071] [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: 12/12/2022] [Revised: 12/27/2022] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Food and feed contamination by fungi, especially by toxigenic ones, is a global concern because it can pose serious health problems when the production of mycotoxins is involved. Lactic acid bacteria (LAB), well-known for fermenting foods, have been gaining attention for their antifungal and anti-mycotoxin properties. This work tested 14 LAB strains isolated from naturally fermented Brazilian table olives for growth inhibition of Aspergillus flavus, Aspergillus carbonarius, Penicillium nordicum, and Penicillium expansum. The strains Lacticaseibacillus paracasei subsp. paracasei CCMA 1764, Levilactobacillus brevis CCMA 1762, and Lactiplantibacillus pentosus CCMA 1768 showed the strongest antifungal activity, being more active against P. expansum. Aflatoxin B1 (AFB1), ochratoxin A (OTA), and patulin (PAT) production was reduced essentially by mycelia growth inhibition. The main organic acids detected in the cell free supernatant (CFS) were lactic and acetic acids. Tested LAB exhibited adsorption capacity against AFB1 (48-51%), OTA (28-33%), and PAT (23-24%). AFB1 was converted into aflatoxin B2a (AFB2a) by lactic and acetic acids produced by the strain CCMA 1764. A similar conversion was observed in solutions of these organic acids (0.1 M). These findings demonstrate the potential of isolated LAB strains as natural agents to control toxigenic fungi and their mycotoxins in fermented products, such as table olives.
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Affiliation(s)
- Luara Simões
- Biology Department, Federal University of Lavras, Lavras 37200-900, Brazil
- Centre of Molecular and Environmental Biology, University of Minho, 4710-057 Braga, Portugal
| | - Natália Fernandes
- Biology Department, Federal University of Lavras, Lavras 37200-900, Brazil
- Chemistry Department, University of California, Davis, CA 95616, USA
| | - José Teixeira
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, Braga/Guimarães, Portugal
| | - Luís Abrunhosa
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, Braga/Guimarães, Portugal
| | - Disney Ribeiro Dias
- Department of Food Science, Federal University of Lavras, Lavras 37200-900, Brazil
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Abraham N, Chan ETS, Zhou T, Seah SYK. Microbial detoxification of mycotoxins in food. Front Microbiol 2022; 13:957148. [PMID: 36504774 PMCID: PMC9726736 DOI: 10.3389/fmicb.2022.957148] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 10/26/2022] [Indexed: 11/24/2022] Open
Abstract
Mycotoxins are toxic secondary metabolites produced by certain genera of fungi including but not limited to Fusarium, Aspergillus, and Penicillium. Their persistence in agricultural commodities poses a significant food safety issue owing to their carcinogenic, teratogenic, and immunosuppressive effects. Due to their inherent stability, mycotoxin levels in contaminated food often exceed the prescribed regulatory thresholds posing a risk to both humans and livestock. Although physical and chemical methods have been applied to remove mycotoxins, these approaches may reduce the nutrient quality and organoleptic properties of food. Microbial transformation of mycotoxins is a promising alternative for mycotoxin detoxification as it is more specific and environmentally friendly compared to physical/chemical methods. Here we review the biological detoxification of the major mycotoxins with a focus on microbial enzymes.
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Affiliation(s)
- Nadine Abraham
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON, Canada,Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON, Canada
| | - Edicon Tze Shun Chan
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON, Canada
| | - Ting Zhou
- Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON, Canada
| | - Stephen Y. K. Seah
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON, Canada,*Correspondence: Stephen Y. K. Seah,
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36
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Yang D, Ye Y, Sun J, Wang JS, Huang C, Sun X. Occurrence, transformation, and toxicity of fumonisins and their covert products during food processing. Crit Rev Food Sci Nutr 2022; 64:3660-3673. [PMID: 36239314 DOI: 10.1080/10408398.2022.2134290] [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] [Indexed: 11/03/2022]
Abstract
Fumonisins comprise structurally related metabolites mainly produced by Fusarium verticillioides and Fusarium proliferatum. Contamination with fumonisins causes incalculable damage to the economy and poses a great risk to animal and human health. Fumonisins and their covert products are found in cereals and cereal products. Food processing significantly affects the degradation of toxins and the formation of covert toxins. However, studies on fumonisins and their covert mycotoxins remain inadequate. This review aims to summarize changes in fumonisins and the generation of covert fumonisins during processing. It also investigates the toxicity and determination methods of fumonisins and covert fumonisins, and elucidates the factors affecting fumonisins and their covert forms during processing. In addition to the metabolic production by plants and fungi, covert fumonisins are mainly produced by covalent or noncovalent binding, complexation, or physical entrapment of fumonisins with other substances. The toxicity of covert fumonisins is similar to that of free fumonisins and is a non-negligible hazard. Covert fumonisins are commonly found in food matrices, and methods to analyze them have yet to be improved. Food processing significantly affects the conversion of fumonisins to their covert toxins.
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Affiliation(s)
- Diaodiao Yang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, China
| | - Yongli Ye
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, China
| | - Jiadi Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, China
| | - Jia-Sheng Wang
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, Georgia, USA
| | - Caihong Huang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, China
| | - Xiulan Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Collaborative Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, China
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Bai J, Zhou Y, Luo X, Hai J, Si X, Li J, Fu H, Dai Z, Yang Y, Wu Z. Roles of stress response-related signaling and its contribution to the toxicity of zearalenone in mammals. Compr Rev Food Sci Food Saf 2022; 21:3326-3345. [PMID: 35751400 DOI: 10.1111/1541-4337.12974] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 04/06/2022] [Accepted: 04/11/2022] [Indexed: 11/30/2022]
Abstract
Zearalenone (ZEA) is a mycotoxin frequently found in cereal crops and cereal-derived foodstuffs worldwide. It affects plant productivity, and is also a serious hazard to humans and animals if being exposed to food/feed contaminated by ZEA. Studies over the last decade have shown that the toxicity of ZEA in animals is mainly mediated by the various stress responses, such as endoplasmic reticulum (ER) stress, oxidative stress, and others. Accumulating evidence shows that oxidative stress and ER stress signaling are actively implicated in and contributes to the pathophysiology of various diseases. Biochemically, the deleterious effects of ZEA are associated with apoptosis, DNA damage, and lipid peroxidation by regulating the expression of genes implicated in these biological processes. Despite these findings, the underlying mechanisms responsible for these alterations remain unclear. This review summarized the characteristics, metabolism, toxicity and the deleterious effects of ZEA exposure in various tissues of animals. Stress response signaling implicated in the toxicity as well as potential therapeutic options with the ability to reduce the deleterious effects of ZEA in animals were highlighted and discussed.
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Affiliation(s)
- Jun Bai
- State Key Laboratory of Animal Nutrition, Department of Companion Animal Science, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Yusong Zhou
- State Key Laboratory of Animal Nutrition, Department of Companion Animal Science, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Xin Luo
- State Key Laboratory of Animal Nutrition, Department of Companion Animal Science, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Jia Hai
- State Key Laboratory of Animal Nutrition, Department of Companion Animal Science, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Xuemeng Si
- State Key Laboratory of Animal Nutrition, Department of Companion Animal Science, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Jun Li
- State Key Laboratory of Animal Nutrition, Department of Companion Animal Science, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Huiyang Fu
- State Key Laboratory of Animal Nutrition, Department of Companion Animal Science, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Zhaolai Dai
- State Key Laboratory of Animal Nutrition, Department of Companion Animal Science, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Ying Yang
- State Key Laboratory of Animal Nutrition, Department of Companion Animal Science, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China
| | - Zhenlong Wu
- State Key Laboratory of Animal Nutrition, Department of Companion Animal Science, College of Animal Science and Technology, China Agricultural University, Beijing, P. R. China.,Beijing Jingwa Agricultural Science and Technology Innovation Center, #1, Yuda Road, Pinggu, Beijing, P. R. China
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38
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Deoxynivalenol: An Overview on Occurrence, Chemistry, Biosynthesis, Health Effects and Its Detection, Management, and Control Strategies in Food and Feed. MICROBIOLOGY RESEARCH 2022. [DOI: 10.3390/microbiolres13020023] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Mycotoxins are fungi-produced secondary metabolites that can contaminate many foods eaten by humans and animals. Deoxynivalenol (DON), which is formed by Fusarium, is one of the most common occurring predominantly in cereal grains and thus poses a significant health risk. When DON is ingested, it can cause both acute and chronic toxicity. Acute signs include abdominal pain, anorexia, diarrhea, increased salivation, vomiting, and malaise. The most common effects of chronic DON exposure include changes in dietary efficacy, weight loss, and anorexia. This review provides a succinct overview of various sources, biosynthetic mechanisms, and genes governing DON production, along with its consequences on human and animal health. It also covers the effect of environmental factors on its production with potential detection, management, and control strategies.
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Xia Y, Qiu Y, Wu Z, Cheng Q, Hu X, Cui X, Wang Z. Preparation of recombinant Kluyveromyces lactis agents for simultaneous degradation of two mycotoxins. AMB Express 2022; 12:20. [PMID: 35181837 PMCID: PMC8857372 DOI: 10.1186/s13568-022-01361-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 02/03/2022] [Indexed: 11/23/2022] Open
Abstract
Aflatoxin B1 (AFB1) and zearalenone (ZEN) are widely distributed in corns, peanuts, and other cereals, causing serious threat to food safety and human health. As shown by our previous studies, the recombinant yeast strain Kluyveromyces lactis GG799(pKLAC1-ZPF1) had the ability of degrading AFB1 and ZEN simultaneously. In this work, the agent preparation process was optimized for K. lactis GG799(pKLAC1-ZPF1), and the storage conditions of the prepared yeast agents were investigated, for obtaining the products with high storage activities and potent mycotoxin degradation efficiency. The optimal preparation process was as follows: centrifugation at 6000 rpm for 15 min for collection of the yeast cells, spray drying with the ratio of protective compounds to yeast cells at 3:1 (w/w) and then stored at - 20 °C. Simultaneous degradation tests of AFB1 and ZEN were performed using the supernatants of reactivated yeast agents after three months of storage, and the degradation ratios for AFB1 and ZEN in reaction system 1 (70.0 mmol/L malonic buffer, pH 4.5, with 1.0 mmol/L MnSO4, 0.1 mmol/L H2O2, 5.0 μg/mL AFB1 and ZEN, respectively) were 48.2 ± 3.2% and 34.8 ± 2.8%, while that for ZEN in reaction system 2 (50.0 mmol/L Tris-HCl, pH 7.5, with 5.0 μg/mL AFB1 and ZEN, respectively) was 30.1 ± 2.7%. Besides, the supernatants of reactivated yeast agents degraded more than 80% of AFB1 and 55% of ZEN in contaminated peanuts after twice treatments. Results of this work suggested that the optimized process for K. lactis GG799(pKLAC1-ZPF1) was with high value for industrial applications.
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Affiliation(s)
- 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.
| | - Yangyu Qiu
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Zifeng Wu
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Qianqian Cheng
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Xiuyu Hu
- China Biotech Fermentation Industry Association, Beijing, 100 833, China
| | - Xiaobing Cui
- Anhui Heiwa Food-Jiangnan University Joint R&D Center, Anhui Heiwa Food Technology Co. LTD, Bozhou, 233600, China
| | - Zhouping Wang
- 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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40
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Yang P, Xiao W, Lu S, Jiang S, Zheng Z, Zhang D, Zhang M, Jiang S, Jiang S. Recombinant Expression of Trametes versicolor Aflatoxin B 1-Degrading Enzyme (TV-AFB 1D) in Engineering Pichia pastoris GS115 and Application in AFB 1 Degradation in AFB 1-Contaminated Peanuts. Toxins (Basel) 2021; 13:toxins13050349. [PMID: 34068167 PMCID: PMC8153001 DOI: 10.3390/toxins13050349] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/01/2021] [Accepted: 05/06/2021] [Indexed: 11/22/2022] Open
Abstract
Aflatoxins seriously threaten the health of humans and animals due to their potential carcinogenic properties. Enzymatic degradation approach is an effective and environmentally friendly alternative that involves changing the structure of aflatoxins. In this study, Trametes versicolor aflatoxin B1-degrading enzyme gene (TV-AFB1D) was integrated into the genome of Pichia pastoris GS115 by homologous recombination approach. The recombinant TV-AFB1D was expressed in engineering P. pastoris with a size of approximately 77 kDa under the induction of methanol. The maximum activity of TV-AFB1D reached 17.5 U/mL after the induction of 0.8% ethanol (v/v) for 84 h at 28 °C. The AFB1 proportion of 75.9% was degraded using AFB1 standard sample after catalysis for 12 h. In addition, the AFB1 proportion was 48.5% using AFB1-contaminated peanuts after the catalysis for 18 h at 34 °C. The recombinant TV-AFB1D would have good practical application value in AFB1 degradation in food crops. This study provides an alternative degrading enzyme for the degradation of AFB1 in aflatoxin-contaminated grain and feed via enzymatic degradation approach.
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Affiliation(s)
- Peizhou Yang
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, College of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Shushan District, Hefei 230601, China; (W.X.); (S.L.); (Z.Z.); (D.Z.); (M.Z.); (S.J.); (S.J.)
- Correspondence:
| | - Wei Xiao
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, College of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Shushan District, Hefei 230601, China; (W.X.); (S.L.); (Z.Z.); (D.Z.); (M.Z.); (S.J.); (S.J.)
| | - Shuhua Lu
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, College of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Shushan District, Hefei 230601, China; (W.X.); (S.L.); (Z.Z.); (D.Z.); (M.Z.); (S.J.); (S.J.)
| | - Suwei Jiang
- School of Biological, Food and Environment Engineering, Hefei University, 158 Jinxiu Avenue, Hefei 230601, China;
| | - Zhi Zheng
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, College of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Shushan District, Hefei 230601, China; (W.X.); (S.L.); (Z.Z.); (D.Z.); (M.Z.); (S.J.); (S.J.)
| | - Danfeng Zhang
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, College of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Shushan District, Hefei 230601, China; (W.X.); (S.L.); (Z.Z.); (D.Z.); (M.Z.); (S.J.); (S.J.)
| | - Min Zhang
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, College of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Shushan District, Hefei 230601, China; (W.X.); (S.L.); (Z.Z.); (D.Z.); (M.Z.); (S.J.); (S.J.)
| | - Shaotong Jiang
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, College of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Shushan District, Hefei 230601, China; (W.X.); (S.L.); (Z.Z.); (D.Z.); (M.Z.); (S.J.); (S.J.)
| | - Shuying Jiang
- Anhui Key Laboratory of Intensive Processing of Agricultural Products, College of Food and Biological Engineering, Hefei University of Technology, 420 Feicui Road, Shushan District, Hefei 230601, China; (W.X.); (S.L.); (Z.Z.); (D.Z.); (M.Z.); (S.J.); (S.J.)
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