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Bahri M, Yu D, Zhang CY, Chen Z, Yang C, Douadji L, Qin P. Unleashing the potential of tungsten disulfide: Current trends in biosensing and nanomedicine applications. Heliyon 2024; 10:e24427. [PMID: 38293340 PMCID: PMC10826743 DOI: 10.1016/j.heliyon.2024.e24427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/18/2023] [Accepted: 01/09/2024] [Indexed: 02/01/2024] Open
Abstract
The discovery of graphene ignites a great deal of interest in the research and advancement of two-dimensional (2D) layered materials. Within it, semiconducting transition metal dichalcogenides (TMDCs) are highly regarded due to their exceptional electrical and optoelectronic properties. Tungsten disulfide (WS2) is a TMDC with intriguing properties, such as biocompatibility, tunable bandgap, and outstanding photoelectric characteristics. These features make it a potential candidate for chemical sensing, biosensing, and tumor therapy. Despite the numerous reviews on the synthesis and application of TMDCs in the biomedical field, no comprehensive study still summarizes and unifies the research trends of WS2 from synthesis to biomedical applications. Therefore, this review aims to present a complete and thorough analysis of the current research trends in WS2 across several biomedical domains, including biosensing and nanomedicine, covering antibacterial applications, tissue engineering, drug delivery, and anticancer treatments. Finally, this review also discusses the potential opportunities and obstacles associated with WS2 to deliver a new outlook for advancing its progress in biomedical research.
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Affiliation(s)
- Mohamed Bahri
- Center of Precision Medicine and Healthcare, Tsinghua-Berkeley Shenzhen Institute, Shenzhen, Guangdong Province, 518055, China
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Dongmei Yu
- School of Mechanical, Electrical & Information Engineering, Shandong University, Weihai, Shandong 264209, China
| | - Can Yang Zhang
- Center of Precision Medicine and Healthcare, Tsinghua-Berkeley Shenzhen Institute, Shenzhen, Guangdong Province, 518055, China
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Zhenglin Chen
- Center of Precision Medicine and Healthcare, Tsinghua-Berkeley Shenzhen Institute, Shenzhen, Guangdong Province, 518055, China
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Chengming Yang
- University of Science and Technology Hospital, Shenzhen, Guangdong Province, China
| | - Lyes Douadji
- Chongqing Institute of Green and Intelligent Technology Chinese Academy of Sciences, Chongqing City, China
| | - Peiwu Qin
- Center of Precision Medicine and Healthcare, Tsinghua-Berkeley Shenzhen Institute, Shenzhen, Guangdong Province, 518055, China
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
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2
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Rovetto EI, Luz C, La Spada F, Meca G, Riolo M, Cacciola SO. Diversity of Mycotoxins and Other Secondary Metabolites Recovered from Blood Oranges Infected by Colletotrichum, Alternaria, and Penicillium Species. Toxins (Basel) 2023; 15:407. [PMID: 37505676 PMCID: PMC10467077 DOI: 10.3390/toxins15070407] [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: 05/19/2023] [Revised: 06/12/2023] [Accepted: 06/19/2023] [Indexed: 07/29/2023] Open
Abstract
This study identified secondary metabolites produced by Alternaria alternata, Colletotrichum gloeosporioides, and Penicillium digitatum in fruits of two blood orange cultivars before harvest. Analysis was performed by UHPLC-Q-TOF-MS. Three types of fruits were selected, asymptomatic, symptomatic showing necrotic lesions caused by hail, and mummified. Extracts from peel and juice were analyzed separately. Penicillium digitatum was the prevalent species recovered from mummified and hail-injured fruits. Among 47 secondary metabolites identified, 16, 18, and 13 were of A. alternata, C. gloeosporioides, and P. digitatum, respectively. Consistently with isolations, indicating the presence of these fungi also in asymptomatic fruits, the metabolic profiles of the peel of hail-injured and asymptomatic fruits did not differ substantially. Major differences were found in the profiles of juice from hail-injured and mummified fruits, such as a significant higher presence of 5,4-dihydroxy-3,7,8-trimethoxy-6C-methylflavone and Atrovenetin, particularly in the juice of mummified fruits of the Tarocco Lempso cultivar. Moreover, the mycotoxins patulin and Rubratoxin B were detected exclusively in mummified fruits. Patulin was detected in both the juice and peel, with a higher relative abundance in the juice, while Rubratoxin B was detected only in the juice. These findings provide basic information for evaluating and preventing the risk of contamination by mycotoxins in the citrus fresh fruit supply chain and juice industry.
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Affiliation(s)
- Ermes Ivan Rovetto
- Department of Agriculture, Food and Environment, University of Catania, 95123 Catania, Italy; (E.I.R.); (F.L.S.)
| | - Carlos Luz
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Burjassot, 460100 València, Spain; (C.L.); (G.M.)
| | - Federico La Spada
- Department of Agriculture, Food and Environment, University of Catania, 95123 Catania, Italy; (E.I.R.); (F.L.S.)
| | - Giuseppe Meca
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Burjassot, 460100 València, Spain; (C.L.); (G.M.)
| | - Mario Riolo
- Department of Agriculture, Food and Environment, University of Catania, 95123 Catania, Italy; (E.I.R.); (F.L.S.)
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Burjassot, 460100 València, Spain; (C.L.); (G.M.)
| | - Santa Olga Cacciola
- Department of Agriculture, Food and Environment, University of Catania, 95123 Catania, Italy; (E.I.R.); (F.L.S.)
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3
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Rodríguez-Cañás I, González-Jartín JM, Alvariño R, Alfonso A, Vieytes MR, Botana LM. Detection of mycotoxins in cheese using an optimized analytical method based on a QuEChERS extraction and UHPLC-MS/MS quantification. Food Chem 2023; 408:135182. [PMID: 36535186 DOI: 10.1016/j.foodchem.2022.135182] [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: 07/11/2022] [Revised: 11/18/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022]
Abstract
Mycotoxins can produce toxic effects on humans; hence, it is of high importance to determine their presence in food products. This work presents a reliable method for the quantification of 32 mycotoxins in cheese. The analysis procedure was optimized based on a QuEChERS extraction process and the ultra-high performance liquid chromatography coupled with tandem mass spectrometry (UHPLC-MS/MS) detection. The analysis method was validated for four cheese varieties (emmental, blue, brie and camembert) in terms of linearity, sensitivity, matrix effect, accuracy and precision. Satisfactory precision and accuracy values were achieved, with recoveries above 70% for most mycotoxins. The developed method was applied to the analysis of 38 commercial cheese samples. A high occurrence of beauvericin and enniatins were found, ranging from 31% for enniatin A to 100% for enniatin B. The ochratoxin A was detected in three samples at concentrations that may pose a risk to human health.
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Affiliation(s)
- Inés Rodríguez-Cañás
- Departamento de Farmacología, Facultad de Veterinaria, Universidade de Santiago de Compostela, 27002 Lugo, Spain.
| | - Jesús M González-Jartín
- Departamento de Farmacología, Facultad de Veterinaria, Universidade de Santiago de Compostela, 27002 Lugo, Spain.
| | - Rebeca Alvariño
- Departamento de Farmacología, Facultad de Veterinaria, Universidade de Santiago de Compostela, 27002 Lugo, Spain.
| | - Amparo Alfonso
- Departamento de Farmacología, Facultad de Veterinaria, Universidade de Santiago de Compostela, 27002 Lugo, Spain.
| | - Mercedes R Vieytes
- Departamento de Fisiología, Facultad de Veterinaria, Universidade de Santiago de Compostela, 27002 Lugo, Spain.
| | - Luis M Botana
- Departamento de Farmacología, Facultad de Veterinaria, Universidade de Santiago de Compostela, 27002 Lugo, Spain.
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4
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Mutuli GP, Mbuge DO, Gitau AN. Effect of humidity on aflatoxin contamination for selected African leafy vegetables. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2022; 59:2724-2730. [PMID: 35734105 PMCID: PMC9206938 DOI: 10.1007/s13197-021-05293-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 09/22/2021] [Accepted: 10/17/2021] [Indexed: 06/15/2023]
Abstract
In this study, the aflatoxin contamination level of selected freshly harvested and dried African leafy vegetables was investigated after inoculation with Aspergillus flavus spores and incubation at 32%, 74%, 84%, and 96% static relative humidity. The study question was whether Aspergillus sp. growth on selected vegetables: Corchorus olitorius, Crotalaria ochroleuca, Vigna unguiculata, Solanum villosum, and Amaranthus blitum can produce aflatoxins. The experiment was replicated thrice and a control sample was included for each replicate. An Agilent 1260 Infinity HPLC system was used for analysis and we quantified the following aflatoxins; B1, B2, G1, and G2 in the selected vegetables. Our results show that aflatoxin B1, G1, and G2 were all present, with the B1 being prevalent. The contamination level increased with relative humidity increase for both freshly harvested and dried vegetables. However, the dried vegetables had a lower contamination level in comparison with freshly harvested. The findings affirm the importance of post-harvest crop preservation to avoid mycotoxin contamination. The vegetables can suffer aflatoxin contamination when exposed to high moisture and ambient temperature and drying is a suitable method of vegetable preservation.
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Affiliation(s)
- Gibson P. Mutuli
- Department of Environmental and Biosystems Engineering, University of Nairobi, Nairobi, Kenya
| | - Duncan O. Mbuge
- Department of Environmental and Biosystems Engineering, University of Nairobi, Nairobi, Kenya
| | - Ayub N. Gitau
- Department of Environmental and Biosystems Engineering, University of Nairobi, Nairobi, Kenya
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5
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Gützkow KL, Al Ayoubi C, Vasco LS, Rohn S, Maul R. Analysis of ochratoxin A, aflatoxin B1 and its biosynthetic precursors in cheese – Method development and market sample screening. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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6
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El-Sayed AS, Ibrahim H, Farag MA. Detection of Potential Microbial Contaminants and Their Toxins in Fermented Dairy Products: a Comprehensive Review. FOOD ANAL METHOD 2022. [DOI: 10.1007/s12161-022-02253-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Abstract
Fermented dairy products are dominant constituents of daily diets around the world due to their desired organoleptic properties, long shelf life, and high nutritional value. Probiotics are often incorporated into these products for their health and technological benefits. However, the safety and possible contamination of fermented dairy products during the manufacturing process could have significant deleterious health and economic impacts. Pathogenic microorganisms and toxins from different sources in fermented dairy products contribute to outbreaks and toxicity cases. Although the health and nutritional benefits of fermented dairy products have been extensively investigated, safety hazards due to contamination are relatively less explored. As a preventive measure, it is crucial to accurately identify and determine the associated microbiota or their toxins. It is noteworthy to highlight the importance of detecting not only the pathogenic microbiota but also their toxic metabolites so that putative outbreaks can thereby be prevented or detected even before they cause harmful effects to human health. In this context, this review focuses on describing techniques designed to detect potential contaminants; also, the advantages and disadvantages of these techniques were summarized. Moreover, this review compiles the most recent and efficient analytical methods for detecting microbial hazards and toxins in different fermented dairy products of different origins. Causative agents behind contamination incidences are also discussed briefly to aid in future prevention measures, as well as detection approaches and technologies employed. Such approach enables the elucidation of the best strategies to control contamination in fermented dairy product manufacturing processes.
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7
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Analysis of Mycotoxin and Secondary Metabolites in Commercial and Traditional Slovak Cheese Samples. Toxins (Basel) 2022; 14:toxins14020134. [PMID: 35202161 PMCID: PMC8878695 DOI: 10.3390/toxins14020134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/06/2022] [Accepted: 02/08/2022] [Indexed: 12/07/2022] Open
Abstract
Cheese represents a dairy product extremely inclined to fungal growth and mycotoxin production. The growth of fungi belonging to Aspergillus, Penicillium, Fusarium, Claviceps, Alternaria, and Trichoderma genera in or on cheese leads to undesirable changes able to affect the quality of the final products. In the present investigation, a total of 68 types of commercial and traditional Slovak cheeses were analyzed to investigate the occurrence of fungal metabolites. Altogether, 13 fungal metabolites were identified and quantified. Aflatoxin M1, the only mycotoxin regulated in milk and dairy products, was not detected in any case. However, the presence of metabolites that have never been reported in cheeses, such as tryptophol at a maximum concentration level from 13.4 to 7930 µg/kg (average: 490 µg/kg), was recorded. Out of all detected metabolites, enniatin B represents the most frequently detected mycotoxin (0.06–0.71 µg/kg) in the analyzed samples. Attention is drawn to the lack of data on mycotoxins’ origin from Slovak cheeses; in fact, this is the first reported investigation. Our results indicate the presence of fungal mycotoxin contamination for which maximum permissible levels are not established, highlighting the importance of monitoring the source and producers of contamination in order to protect consumers’ health.
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8
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Application of Ambient Ionization Mass Spectrometry to Detect the Mycotoxin Roquefortine C in Blue Cheese. FOOD ANAL METHOD 2021. [DOI: 10.1007/s12161-021-02165-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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Maragos CM. Roquefortine C in blue-veined and soft-ripened Cheeses in the USA. FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE 2021; 15:1-9. [PMID: 34425737 DOI: 10.1080/19393210.2021.1967462] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Certain fungi can produce secondary metabolites that are toxic, mycotoxins. Two groups of cheeses where fungi are used for ripening are the blue-veined cheeses (Penicillium roqueforti) and the "soft-ripened" cheeses (P. camemberti). An enzyme-linked immunosorbent assay was used to screen for the mycotoxin roquefortine C (ROQC) in 202 samples of cheeses sold in the United States. Of these 152 were blue-veined cheeses, 46 were soft-ripened cheeses and 4 were other varieties of mould-ripened cheeses. ROQC was not detected in any of the soft-ripened cheeses, at a limit of detection of 1.8 µg/kg. ROQC was found in 151 of 152 blue-veined cheeses. The maximum level found was 6,630 µg/kg (median 903 µg/kg, average of positives 1430 µg/kg, limit of quantitation 6.9 µg/kg). These levels are consistent with the levels found previously in blue-veined cheeses in the United Kingdom and Europe, which have generally been considered non-hazardous for human consumption.
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Affiliation(s)
- C M Maragos
- Agricultural Research Service, National Center for Agricultural Utilization Research, Mycotoxin Prevention and Applied Microbiology Research Unit, USDA, Peoria, IL, USA
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10
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Khataee A, Sohrabi H, Arbabzadeh O, Khaaki P, Majidi MR. Frontiers in conventional and nanomaterials based electrochemical sensing and biosensing approaches for Ochratoxin A analysis in foodstuffs: A review. Food Chem Toxicol 2021; 149:112030. [DOI: 10.1016/j.fct.2021.112030] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 01/19/2021] [Accepted: 01/24/2021] [Indexed: 12/22/2022]
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11
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Ouakhssase A, Ait Addi E. Mycotoxins in food: a review on liquid chromatographic methods coupled to mass spectrometry and their experimental designs. Crit Rev Food Sci Nutr 2020; 62:2606-2626. [PMID: 33287555 DOI: 10.1080/10408398.2020.1856034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The development of a multi-mycotoxins method using LC-MS/MS is necessary and it is clear that the development of such method involves many compromises in the choice of the different parameters. This review summarizes applications using conventional experimental designs and some recent studies using response surface methodology (RSM) as a mathematical modeling tool for the optimization of extraction procedures. The authors also discuss pros and cons of the different procedures. To our knowledge, it is the first review on experimental design for the development of multi-mycotoxin methods. This review could be useful in the development and optimization of LC-MS/MS methods with the aim of describing experimental design and variables (factors) that are likely to affect sensitivity and specificity.
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Affiliation(s)
- Abdallah Ouakhssase
- Research group: Génie des procédés et Ingénierie Chimique, Ecole Supérieure de Technologie d'Agadir, Université Ibn Zohr, Agadir, Morocco
| | - Elhabib Ait Addi
- Research group: Génie des procédés et Ingénierie Chimique, Ecole Supérieure de Technologie d'Agadir, Université Ibn Zohr, Agadir, Morocco
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12
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Maragos CM. Development and characterisation of a monoclonal antibody to detect the mycotoxin roquefortine C. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2020; 37:1777-1790. [PMID: 32730172 DOI: 10.1080/19440049.2020.1781937] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Roquefortine, also known as roquefortine C (ROQC) is a fungal secondary metabolite (mycotoxin) that is produced by some of the same Penicillia as the tremorgen penitrem-A (PEN-A). The two mycotoxins have been linked to sporadic cases of toxicosis in dogs, cattle, and humans, leading some to consider ROQC as a biomarker of PEN-A. Reported here are the development of a monoclonal antibody (mAb) and associated competitive enzyme-linked immunosorbent assay (ELISA) for the screening of ROQC in extracts of nuts (nut "milks"), and dog serum. The ELISA was sensitive for ROQC, with a level of 0.117 ng ml-1 inhibiting colour development by 50% (IC50), a limit of detection of 0.026 ng ml-1, and a dynamic range (IC20 to IC80) of 0.038 to 0.289 ng ml-1 in buffer. The assay was tolerant to significant levels of methanol. Recoveries from 4 types of nut milks spiked over the range of 0.25 to 2 ng ml-1 were in the range of 83.5% to 116%. A small survey of commercial nut "milks" and "creamers" indicated 4 of 35 samples contained ROQC at levels so low that they are unlikely to be significant to human health (<0.6 ng ml-1). The assay was also applied to canine serum. Recoveries from serum spiked over the range of 0.2 to 5 ng ml-1 ranged from 98.1% to 123%. The results suggest the ELISA can be applied to the screening of food products, such as nut extracts, as well as for the screening of serum from dogs suspected to be suffering from mycotoxin-induced tremors.
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Affiliation(s)
- Chris M Maragos
- Mycotoxin Prevention and Applied Microbiology Research Unit, National Center for Agricultural Utilization Research, U.S. Department of Agriculture - Agricultural Research Service , Peoria, IL, USA
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13
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Khan NI, Mousazadehkasin M, Ghosh S, Tsavalas JG, Song E. An integrated microfluidic platform for selective and real-time detection of thrombin biomarkers using a graphene FET. Analyst 2020; 145:4494-4503. [PMID: 32400815 PMCID: PMC7478360 DOI: 10.1039/d0an00251h] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Lab-on-a-chip technology offers an ideal platform for low-cost, reliable, and easy-to-use diagnostics of key biomarkers needed for early screening of diseases and other health concerns. In this work, a graphene field-effect transistor (GFET) functionalized with target-binding aptamers is used as a biosensor for the detection of thrombin protein biomarker. Furthermore, this GFET is integrated with a microfluidic device for enhanced sensing performances in terms of detection limit, sensitivity, and continuous monitoring. Under this platform, a picomolar limit of detection was achieved for measuring thrombin; in our experiment measured as low as 2.6 pM. FTIR, Raman and UV-Vis spectroscopy measurements were performed to confirm the device functionalization steps. Based on the concentration-dependent calibration curve, a dissociation constant of KD = 375.8 pM was obtained. Continuous real-time measurements were also conducted under a constant gate voltage (VGS) to observe the transient response of the sensor when analyte was introduced to the device. The target selectivity of the sensor platform was evaluated and confirmed by challenging the GFET biosensor with various concentrations of lysozyme protein. The results suggest that this device technology has the potential to be used as a general diagnostic platform for measuring clinically relevant biomarkers for point-of-care applications.
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Affiliation(s)
- Niazul I Khan
- Department of Electrical and Computer Engineering, University of New Hampshire, Durham, NH 03824, USA.
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14
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Reinholds I, Rusko J, Pugajeva I, Berzina Z, Jansons M, Kirilina-Gutmane O, Tihomirova K, Bartkevics V. The Occurrence and Dietary Exposure Assessment of Mycotoxins, Biogenic Amines, and Heavy Metals in Mould-Ripened Blue Cheeses. Foods 2020; 9:E93. [PMID: 31963130 PMCID: PMC7023506 DOI: 10.3390/foods9010093] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/06/2020] [Accepted: 01/09/2020] [Indexed: 11/24/2022] Open
Abstract
The occurrence and dietary exposure assessment of 16 mycotoxins, 6 biogenic amines (BAs), and 13 metallic elements in blue-veined cheeses (n = 46) is reported. Co-occurrence of mycophenolic acid (≤599 µg·kg-1) with roquefortine C (≤5454 µg·kg-1) was observed in 63% of the tested cheeses, while BAs were frequently present at concentrations between 0.2 and 717 mg kg-1. The concentrations of heavy metals in cheeses were very low. Chronic/acute exposure assessment based on consumption data from different European populations indicated that the levels of mycotoxins and heavy metals are safe to consumers, whereas, rather high hazard indexes (HI up to 0.77) were determined for BAs according to the worst-case scenario based on high consumption and 95th percentile occurrence. A more detailed acute dietary intake study indicated that histamine and tyramine were predominant among these BAs, reaching 27 and 41% of the acute oral intake reference doses.
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Affiliation(s)
- Ingars Reinholds
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Faculty of Chemistry, University of Latvia, Jelgavas iela 1, LV-1004 Riga, Latvia
| | - Janis Rusko
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Faculty of Chemistry, University of Latvia, Jelgavas iela 1, LV-1004 Riga, Latvia
| | - Iveta Pugajeva
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
| | - Zane Berzina
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Faculty of Chemistry, University of Latvia, Jelgavas iela 1, LV-1004 Riga, Latvia
| | - Martins Jansons
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Faculty of Chemistry, University of Latvia, Jelgavas iela 1, LV-1004 Riga, Latvia
| | - Olga Kirilina-Gutmane
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
| | - Kristina Tihomirova
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Water Research Laboratory, Research Centre for Civil Engineering, Faculty of Civil Engineering, Riga Technical University, Kipsalas iela 6a-263, LV-1048 Riga, Latvia
| | - Vadims Bartkevics
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes iela 3, LV-1076 Riga, Latvia
- Faculty of Chemistry, University of Latvia, Jelgavas iela 1, LV-1004 Riga, Latvia
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15
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Moez E, Noel D, Brice S, Benjamin G, Pascaline A, Didier M. Aptamer assisted ultrafiltration cleanup with high performance liquid chromatography-fluorescence detector for the determination of OTA in green coffee. Food Chem 2019; 310:125851. [PMID: 31767477 DOI: 10.1016/j.foodchem.2019.125851] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 10/29/2019] [Accepted: 10/31/2019] [Indexed: 10/25/2022]
Abstract
One of the most common mycotoxin contaminating feed and foodstuffs is Ochratoxin A (OTA). OTA has a chronic toxic effect and proved to be mutagenic, nephrotoxic, teratogenic, immunosuppressive, and carcinogenic. Aptamer with their specific affinity for OTA was used in this paper to create an analytical technique. Several methods have been reported for the determination of OTA in foods. However, most of these methods could not be applied to a complex food as green coffee because the interfering native fluorescent products made the quantification very difficult. In this work, we mixed two separations based techniques to identify and quantify OTA in green coffee. Aptamer assisted ultrafiltration as separation technique based on the size of molecules was applied to separate the free OTA, the quantification of OTA was established by a high-performance liquid chromatography (HPLC-FD) with a limit of detection (LOD) of 0.05 ng/mL for OTA. Artificially contaminated green coffee displayed a good range of OTA recoveries up to 97.7%. This method can be applied to the quantitative determination of OTA in green coffee at levels below the maximum levels proposed by the European Commission for green coffee. It also confirm that aptamers can be used as biorecognition element in diagnostic assays with commercial application for mycotoxin analysis.
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Affiliation(s)
- Elsaadani Moez
- Cirad, UMR Qualisud, TA B-95/16, 73, rue JF Breton, 34398 Montpellier Cedex 5, France; UMR 95 QualiSud, Université de Montpellier, CIRAD, Montpellier SupAgro, Université d'Avignon, Université de la Réunion, Montpellier, France; Faculty of Biotechnology, Misr University for Science and Technology, 6th 13 October City, Egypt; IES, UMR CNRS 5214, Montpellier University, France.
| | - Durand Noel
- Cirad, UMR Qualisud, TA B-95/16, 73, rue JF Breton, 34398 Montpellier Cedex 5, France; UMR 95 QualiSud, Université de Montpellier, CIRAD, Montpellier SupAgro, Université d'Avignon, Université de la Réunion, Montpellier, France
| | - Sorli Brice
- IES, UMR CNRS 5214, Montpellier University, France
| | - Guibert Benjamin
- Cirad, UMR Qualisud, TA B-95/16, 73, rue JF Breton, 34398 Montpellier Cedex 5, France
| | - Atelier Pascaline
- Cirad, UMR Qualisud, TA B-95/16, 73, rue JF Breton, 34398 Montpellier Cedex 5, France
| | - Montet Didier
- Cirad, UMR Qualisud, TA B-95/16, 73, rue JF Breton, 34398 Montpellier Cedex 5, France; UMR 95 QualiSud, Université de Montpellier, CIRAD, Montpellier SupAgro, Université d'Avignon, Université de la Réunion, Montpellier, France
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16
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Hammerl R, Frank O, Dietz M, Hirschmann J, Hofmann T. Tyrosine Induced Metabolome Alterations of Penicillium roqueforti and Quantitation of Secondary Key Metabolites in Blue-Mold Cheese. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:8500-8509. [PMID: 31298534 DOI: 10.1021/acs.jafc.9b03237] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
To map qualitative and quantitative metabolome alterations when Penicillium roqueforti is grown in an environment where l-tyrosine levels are perturbed, the recently established differential off-line LC-NMR (DOLC-NMR) approach was successfully applied in connection with an absolute metabolite quantitation using a quantitative 1H NMR protocol following the ERETIC 2 (Electronic REference To access In vivo Concentrations) methodology. Among the 23 influenced metabolites, amino acid degradation products like 2-(4-hydroxyphenyl)acetic acid and 2-(3,4-dihydroxyphenyl)acetic acid underwent a tremendous upregulation in the amino acid perturbed approach. Moreover, the output of secondary metabolites like andrastin A, eremofortin B, and the tetrapeptide d-Phe-l-Val-d-Val-l-Tyr was affected in the case of the presence or absence of the added aromatic amino acid. Furthermore, the isolated secondary metabolites of P. roqueforti have been quantified for the first time in five divergent Penicillium isolates by means of a validated LC-ECHO-MS/MS method. This technique is used to compensate the effect of co-extracted matrix compounds during the analysis and to utilize quasi-internal standards to quantify all metabolites of interest accurately. This screening outlined the great variety between the different fungi of the same species. The metabolite spectra of wild-type fungi included more toxic intermediates compared to a selected fungi used as a starter culture for blue-mold cheese production. In addition, these secondary metabolites were quantified in commercially available white- and blue-mold cheese samples. The main differences between the analyte profiles of white and blue cheeses were linked to the impact of the used starter culture. Specific metabolites detected from P. roqueforti like andrastin A and B or roquefortine C could not be detected in white cheese. Among the blue cheese samples, different metabolite pattern could be observed regarding various P. roqueforti starter cultures.
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Affiliation(s)
- Richard Hammerl
- Chair of Food Chemistry and Molecular Sensory Science , Technische Universität München , Lise-Meitner-Strasse 34 , D-85354 Freising-Weihenstephan , Germany
| | - Oliver Frank
- Chair of Food Chemistry and Molecular Sensory Science , Technische Universität München , Lise-Meitner-Strasse 34 , D-85354 Freising-Weihenstephan , Germany
| | - Maximilian Dietz
- Chair of Food Chemistry and Molecular Sensory Science , Technische Universität München , Lise-Meitner-Strasse 34 , D-85354 Freising-Weihenstephan , Germany
| | - Julia Hirschmann
- Chair of Food Chemistry and Molecular Sensory Science , Technische Universität München , Lise-Meitner-Strasse 34 , D-85354 Freising-Weihenstephan , Germany
| | - Thomas Hofmann
- Chair of Food Chemistry and Molecular Sensory Science , Technische Universität München , Lise-Meitner-Strasse 34 , D-85354 Freising-Weihenstephan , Germany
- Leibniz-Institute for Food Systems Biology at the Technical University of Munich , Lise-Meitner-Strasse 34 , D-85354 Freising-Weihenstephan , Germany
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17
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Mahfuz M, Gazi MA, Hossain M, Islam MR, Fahim SM, Ahmed T. General and advanced methods for the detection and measurement of aflatoxins and aflatoxin metabolites: a review. TOXIN REV 2018. [DOI: 10.1080/15569543.2018.1514638] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Mustafa Mahfuz
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Md. Amran Gazi
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Muttaquina Hossain
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | | | - Shah Mohammad Fahim
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
| | - Tahmeed Ahmed
- Nutrition and Clinical Services Division, International Centre for Diarrhoeal Disease Research, Bangladesh (icddr,b), Dhaka, Bangladesh
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18
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Abstract
Authenticity and traceability of food products are of primary importance at all levels of the production process, from raw materials to finished products. Authentication is also a key aspect for accurate labeling of food, which is required to help consumers in selecting appropriate types of food products. With the aim of guaranteeing the authenticity of foods, various methodological approaches have been devised over the past years, mainly based on either targeted or untargeted analyses. In this review, a brief overview of current analytical methods tailored to authenticity studies, with special regard to fishery products, is provided. Focus is placed on untargeted methods that are attracting the interest of the analytical community thanks to their rapidity and high throughput; such methods enable a fast collection of “fingerprinting signals” referred to each authentic food, subsequently stored into large database for the construction of specific information repositories. In the present case, methods capable of detecting fish adulteration/substitution and involving sensory, physicochemical, DNA-based, chromatographic, and spectroscopic measurements, combined with chemometric tools, are illustrated and commented on.
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19
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Gurban AM, Epure P, Oancea F, Doni M. Achievements and Prospects in Electrochemical-Based Biosensing Platforms for Aflatoxin M₁ Detection in Milk and Dairy Products. SENSORS (BASEL, SWITZERLAND) 2017; 17:E2951. [PMID: 29257102 PMCID: PMC5751533 DOI: 10.3390/s17122951] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 12/03/2017] [Accepted: 12/13/2017] [Indexed: 02/07/2023]
Abstract
Aflatoxins, which are mainly produced by Aspergillus flavus and parasiticus growing on plants and products stored under inappropriate conditions, represent the most studied group of mycotoxins. Contamination of human and animal milk with aflatoxin M₁, the hydroxylated metabolite of aflatoxin B₁, is an important health risk factor due to its carcinogenicity and mutagenicity. Due to the low concentration of this aflatoxin in milk and milk products, the analytical methods used for its quantification have to be highly sensitive, specific and simple. This paper presents an overview of the analytical methods, especially of the electrochemical immunosensors and aptasensors, used for determination of aflatoxin M₁.
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Affiliation(s)
- Ana-Maria Gurban
- Biotechnology Department, National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM, 202 Spl. Independentei, Sector 6, 060021 Bucharest, Romania.
| | - Petru Epure
- EPI-SISTEM SRL, Bvd Brasovului 145, Sacele, 505600 Brasov, Romania.
| | - Florin Oancea
- Biotechnology Department, National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM, 202 Spl. Independentei, Sector 6, 060021 Bucharest, Romania.
| | - Mihaela Doni
- Biotechnology Department, National Institute for Research & Development in Chemistry and Petrochemistry-ICECHIM, 202 Spl. Independentei, Sector 6, 060021 Bucharest, Romania.
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20
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Delgado J, Owens RA, Doyle S, Núñez F, Asensio MA. Quantitative proteomics reveals new insights into calcium-mediated resistance mechanisms in Aspergillus flavus against the antifungal protein PgAFP in cheese. Food Microbiol 2017; 66:1-10. [DOI: 10.1016/j.fm.2017.03.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 02/24/2017] [Accepted: 03/21/2017] [Indexed: 10/19/2022]
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21
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Decontardi S, Mauro A, Lima N, Battilani P. Survey of Penicillia associated with Italian grana cheese. Int J Food Microbiol 2017; 246:25-31. [PMID: 28187328 DOI: 10.1016/j.ijfoodmicro.2017.01.019] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 01/18/2017] [Accepted: 01/30/2017] [Indexed: 10/20/2022]
Abstract
The present work aimed to contribute information on the mycobiota associated with ripening grana cheese, with focus on the genus Penicillium as potential mycotoxin producers. Eighteen wheels of grana cheese, aged in different storehouses situated in Northern Italy, were sampled to isolate associated fungi. Penicillium spp. were commonly dominant; morphological observation and gene sequencing were applied to identify Penicillium at species level. P. crustosum and P. solitum were the dominant species. Citrinin and ochratoxin A mycotoxins were analysed and the latter was found in all grana cheese samples. These results confirmed that a polyphasic approach is mandatory for Penicillium identification at species level.
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Affiliation(s)
- S Decontardi
- Department of Sustainable Crop Production, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - A Mauro
- Department of Sustainable Crop Production, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - N Lima
- CEB-Center of Biological Engineering, Micoteca da Universidade do Minho, 4704-553 Braga, Portugal
| | - P Battilani
- Department of Sustainable Crop Production, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy.
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22
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Functional diversity within the Penicillium roqueforti species. Int J Food Microbiol 2017; 241:141-150. [DOI: 10.1016/j.ijfoodmicro.2016.10.001] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 08/29/2016] [Accepted: 10/01/2016] [Indexed: 11/22/2022]
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23
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Camardo Leggieri M, Decontardi S, Bertuzzi T, Pietri A, Battilani P. Modeling Growth and Toxin Production of Toxigenic Fungi Signaled in Cheese under Different Temperature and Water Activity Regimes. Toxins (Basel) 2016; 9:E4. [PMID: 28029129 PMCID: PMC5308237 DOI: 10.3390/toxins9010004] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 12/20/2016] [Accepted: 12/21/2016] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was to investigate in vitro and model the effect of temperature (T) and water activity (aw) conditions on growth and toxin production by some toxigenic fungi signaled in cheese. Aspergillus versicolor, Penicillium camemberti, P. citrinum, P. crustosum, P. nalgiovense, P. nordicum, P. roqueforti, P. verrucosum were considered they were grown under different T (0-40 °C) and aw (0.78-0.99) regimes. The highest relative growth occurred around 25 °C; all the fungi were very susceptible to aw and 0.99 was optimal for almost all species (except for A. versicolor, awopt = 0.96). The highest toxin production occurred between 15 and 25 °C and 0.96-0.99 aw. Therefore, during grana cheese ripening, managed between 15 and 22 °C, ochratoxin A (OTA), penitrem A (PA), roquefortine-C (ROQ-C) and mycophenolic acid (MPA) are apparently at the highest production risk. Bete and logistic function described fungal growth under different T and aw regimes well, respectively. Bete function described also STC, PA, ROQ-C and OTA production as well as function of T. These models would be very useful as starting point to develop a mechanistic model to predict fungal growth and toxin production during cheese ripening and to help advising the most proper setting of environmental factors to minimize the contamination risk.
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Affiliation(s)
- Marco Camardo Leggieri
- Department of Sustainable Crop Production-Università Cattolica del Sacro Cuore, Via E. Parmense, 84, 29122 Piacenza, Italy.
| | - Simone Decontardi
- Department of Sustainable Crop Production-Università Cattolica del Sacro Cuore, Via E. Parmense, 84, 29122 Piacenza, Italy.
| | - Terenzio Bertuzzi
- Institute of Food & Feed Science and Nutrition-Università Cattolica del Sacro Cuore, Via E. Parmense, 84, 29122 Piacenza, Italy.
| | - Amedeo Pietri
- Institute of Food & Feed Science and Nutrition-Università Cattolica del Sacro Cuore, Via E. Parmense, 84, 29122 Piacenza, Italy.
| | - Paola Battilani
- Department of Sustainable Crop Production-Università Cattolica del Sacro Cuore, Via E. Parmense, 84, 29122 Piacenza, Italy.
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24
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25
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Gillot G, Jany JL, Dominguez-Santos R, Poirier E, Debaets S, Hidalgo PI, Ullán RV, Coton E, Coton M. Genetic basis for mycophenolic acid production and strain-dependent production variability in Penicillium roqueforti. Food Microbiol 2016; 62:239-250. [PMID: 27889155 DOI: 10.1016/j.fm.2016.10.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2016] [Revised: 08/29/2016] [Accepted: 10/03/2016] [Indexed: 11/16/2022]
Abstract
Mycophenolic acid (MPA) is a secondary metabolite produced by various Penicillium species including Penicillium roqueforti. The MPA biosynthetic pathway was recently described in Penicillium brevicompactum. In this study, an in silico analysis of the P. roqueforti FM164 genome sequence localized a 23.5-kb putative MPA gene cluster. The cluster contains seven genes putatively coding seven proteins (MpaA, MpaB, MpaC, MpaDE, MpaF, MpaG, MpaH) and is highly similar (i.e. gene synteny, sequence homology) to the P. brevicompactum cluster. To confirm the involvement of this gene cluster in MPA biosynthesis, gene silencing using RNA interference targeting mpaC, encoding a putative polyketide synthase, was performed in a high MPA-producing P. roqueforti strain (F43-1). In the obtained transformants, decreased MPA production (measured by LC-Q-TOF/MS) was correlated to reduced mpaC gene expression by Q-RT-PCR. In parallel, mycotoxin quantification on multiple P. roqueforti strains suggested strain-dependent MPA-production. Thus, the entire MPA cluster was sequenced for P. roqueforti strains with contrasted MPA production and a 174bp deletion in mpaC was observed in low MPA-producers. PCRs directed towards the deleted region among 55 strains showed an excellent correlation with MPA quantification. Our results indicated the clear involvement of mpaC gene as well as surrounding cluster in P. roqueforti MPA biosynthesis.
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Affiliation(s)
- Guillaume Gillot
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, IBSAM ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Jean-Luc Jany
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, IBSAM ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Rebeca Dominguez-Santos
- Área de Microbiología, Facultad de Ciencias Biológicas y Ambientales, Universidad de León, 24071 León, Spain; Instituto de Biotecnología de León (INBIOTEC), Avenida Real n°1, Parque Científico de León, 24006 León, Spain
| | - Elisabeth Poirier
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, IBSAM ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Stella Debaets
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, IBSAM ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Pedro I Hidalgo
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, IBSAM ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Ricardo V Ullán
- mAbxience, Upstream Production, Parque Tecnológico de León, Julia Morros s/n, Armunia, 24009, León, Spain
| | - Emmanuel Coton
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, IBSAM ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France
| | - Monika Coton
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, IBSAM ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France.
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26
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García-Estrada C, Martín JF. Biosynthetic gene clusters for relevant secondary metabolites produced by Penicillium roqueforti in blue cheeses. Appl Microbiol Biotechnol 2016; 100:8303-13. [PMID: 27554495 DOI: 10.1007/s00253-016-7788-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2016] [Revised: 08/01/2016] [Accepted: 08/03/2016] [Indexed: 10/21/2022]
Abstract
Ripening of blue-veined cheeses, such as the French Bleu and Roquefort, the Italian Gorgonzola, the English Stilton, the Danish Danablu or the Spanish Cabrales, Picón Bejes-Tresviso, and Valdeón, requires the growth and enzymatic activity of the mold Penicillium roqueforti, which is responsible for the characteristic texture, blue-green spots, and aroma of these types of cheeses. This filamentous fungus is able to synthesize different secondary metabolites, including andrastins, mycophenolic acid, and several mycotoxins, such as roquefortines C and D, PR-toxin and eremofortins, isofumigaclavines A and B, and festuclavine. This review provides a detailed description of the main secondary metabolites produced by P. roqueforti in blue cheese, giving a special emphasis to roquefortine, PR-toxin and mycophenolic acid, and their biosynthetic gene clusters and pathways. The knowledge of these clusters and secondary metabolism pathways, together with the ability of P. roqueforti to produce beneficial secondary metabolites, is of interest for commercial purposes.
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Affiliation(s)
| | - Juan-Francisco Martín
- Área de Microbiología, Departamento de Biología Molecular, Universidad de León, 24071, León, Spain
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27
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Smith MC, Madec S, Coton E, Hymery N. Natural Co-Occurrence of Mycotoxins in Foods and Feeds and Their in vitro Combined Toxicological Effects. Toxins (Basel) 2016; 8:94. [PMID: 27023609 PMCID: PMC4848621 DOI: 10.3390/toxins8040094] [Citation(s) in RCA: 325] [Impact Index Per Article: 40.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 03/18/2016] [Accepted: 03/21/2016] [Indexed: 11/16/2022] Open
Abstract
Some foods and feeds are often contaminated by numerous mycotoxins, but most studies have focused on the occurrence and toxicology of a single mycotoxin. Regulations throughout the world do not consider the combined effects of mycotoxins. However, several surveys have reported the natural co-occurrence of mycotoxins from all over the world. Most of the published data has concerned the major mycotoxins aflatoxins (AFs), ochratoxin A (OTA), zearalenone (ZEA), fumonisins (FUM) and trichothecenes (TCTs), especially deoxynivalenol (DON). Concerning cereals and derived cereal product samples, among the 127 mycotoxin combinations described in the literature, AFs+FUM, DON+ZEA, AFs+OTA, and FUM+ZEA are the most observed. However, only a few studies specified the number of co-occurring mycotoxins with the percentage of the co-contaminated samples, as well as the main combinations found. Studies of mycotoxin combination toxicity showed antagonist, additive or synergic effects depending on the tested species, cell model or mixture, and were not necessarily time- or dose-dependent. This review summarizes the findings on mycotoxins and their co-occurrence in various foods and feeds from all over the world as well as in vitro experimental data on their combined toxicity.
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Affiliation(s)
- Marie-Caroline Smith
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France.
| | - Stéphanie Madec
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France.
| | - Emmanuel Coton
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France.
| | - Nolwenn Hymery
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France.
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28
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Fontaine K, Mounier J, Coton E, Hymery N. Individual and combined effects of roquefortine C and mycophenolic acid on human monocytic and intestinal cells. WORLD MYCOTOXIN J 2016. [DOI: 10.3920/wmj2014.1861] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Roquefortine C (ROC) and mycophenolic acid (MPA) are secondary metabolites produced by various fungal species. It is known that both ROC and MPA may co-occur in raw materials or food. However, to date there is a lack of information regarding their toxicity. In this study, ROC and/or MPA cytotoxicity was evaluated on human intestinal (Caco-2) and monocytic cell cultures (THP-1 and CD14+). After 48 h single mycotoxin exposure, viability tests showed that monocytes (THP-1 and CD14+) were more sensitive to ROC (inhibitory concentration 50% (IC50)=55 and 45 μM, respectively) than to MPA (IC50>780 μM). IC50 values determined from ROC and MPA mono-exposure experiments on Caco-2 cells were >100 and >780 μM, respectively. Caco-2 cell viability was significantly reduced after 48 h co-exposure at high ROC/MPA concentrations. A synergistic effect was observed at 10/78, 25/780 and 50/780 μM ROC/MPA concentrations, while an additive effect was seen at 100/780 μM. THP-1 apoptosis rate increased after 3 and/or 6 h single ROC (from 10 to 100 μM) and MPA (780 μM) exposures in a dose-dependent manner. Co-exposure to 100/780 μM of ROC/MPA led to an increase in the THP-1 apoptotic cell population. No apoptosis mechanism was observed on Caco-2 cells. This is the first time that combined ROC and MPA cytotoxic effects, as well as the associated mechanisms are investigated.
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Affiliation(s)
- K. Fontaine
- Université de Brest, EA3882, Laboratoire Universitaire de Biodiversité et d’Ecologie Microbienne, ESIAB, Technopôle de Brest-Iroise, 29280 Plouzané, France
| | - J. Mounier
- Université de Brest, EA3882, Laboratoire Universitaire de Biodiversité et d’Ecologie Microbienne, ESIAB, Technopôle de Brest-Iroise, 29280 Plouzané, France
| | - E. Coton
- Université de Brest, EA3882, Laboratoire Universitaire de Biodiversité et d’Ecologie Microbienne, ESIAB, Technopôle de Brest-Iroise, 29280 Plouzané, France
| | - N. Hymery
- Université de Brest, EA3882, Laboratoire Universitaire de Biodiversité et d’Ecologie Microbienne, ESIAB, Technopôle de Brest-Iroise, 29280 Plouzané, France
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29
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Del-Cid A, Gil-Durán C, Vaca I, Rojas-Aedo JF, García-Rico RO, Levicán G, Chávez R. Identification and Functional Analysis of the Mycophenolic Acid Gene Cluster of Penicillium roqueforti. PLoS One 2016; 11:e0147047. [PMID: 26751579 PMCID: PMC4708987 DOI: 10.1371/journal.pone.0147047] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Accepted: 12/28/2015] [Indexed: 11/18/2022] Open
Abstract
The filamentous fungus Penicillium roqueforti is widely known as the ripening agent of blue-veined cheeses. Additionally, this fungus is able to produce several secondary metabolites, including the meroterpenoid compound mycophenolic acid (MPA). Cheeses ripened with P. roqueforti are usually contaminated with MPA. On the other hand, MPA is a commercially valuable immunosuppressant. However, to date the molecular basis of the production of MPA by P. roqueforti is still unknown. Using a bioinformatic approach, we have identified a genomic region of approximately 24.4 kbp containing a seven-gene cluster that may be involved in the MPA biosynthesis in P. roqueforti. Gene silencing of each of these seven genes (named mpaA, mpaB, mpaC, mpaDE, mpaF, mpaG and mpaH) resulted in dramatic reductions in MPA production, confirming that all of these genes are involved in the biosynthesis of the compound. Interestingly, the mpaF gene, originally described in P. brevicompactum as a MPA self-resistance gene, also exerts the same function in P. roqueforti, suggesting that this gene has a dual function in MPA metabolism. The knowledge of the biosynthetic pathway of MPA in P. roqueforti will be important for the future control of MPA contamination in cheeses and the improvement of MPA production for commercial purposes.
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Affiliation(s)
- Abdiel Del-Cid
- Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Carlos Gil-Durán
- Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Inmaculada Vaca
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
| | - Juan F. Rojas-Aedo
- Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Ramón O. García-Rico
- GIMBIO Group, Department of Microbiology, Faculty of Basic Sciences, Universidad de Pamplona, Pamplona, Colombia
| | - Gloria Levicán
- Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Renato Chávez
- Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
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Fontaine K, Hymery N, Lacroix MZ, Puel S, Puel O, Rigalma K, Gaydou V, Coton E, Mounier J. Influence of intraspecific variability and abiotic factors on mycotoxin production in Penicillium roqueforti. Int J Food Microbiol 2015; 215:187-93. [DOI: 10.1016/j.ijfoodmicro.2015.07.021] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 06/25/2015] [Accepted: 07/15/2015] [Indexed: 10/23/2022]
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Kantachote D, Nunkaew T, Ratanaburee A, Klongdee N. Production of a Meat Seasoning Powder Enriched with γ-Aminobutyric Acid (GABA) from Mature Coconut Water Using Pediococcus pentosaceus
HN8. J FOOD PROCESS PRES 2015. [DOI: 10.1111/jfpp.12654] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Duangporn Kantachote
- Department of Microbiology; Faculty of Science; Prince of Songkla University; Hat Yai 90112 Thailand
| | - Tomorn Nunkaew
- Faculty of Medicine; Princess of Naradhiwas University; Narathiwat Thailand
| | - Anussara Ratanaburee
- Regional Medical Sciences Center 11/1 (Phuket), Department of Medical Sciences, Ministry of Public Health; Phuket Thailand
| | - Nikkajit Klongdee
- Department of Microbiology; Faculty of Science; Prince of Songkla University; Hat Yai 90112 Thailand
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Guerra M, Almeida I, Bernardo F. 32. Aflatoxin B1 and zearalenone in dairy feeds and its impacts in the food chain. ACTA ACUST UNITED AC 2015. [DOI: 10.3920/978-90-8686-806-3_32] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Affiliation(s)
- M. Guerra
- Escola Superior de Hotelaria e Turismo do Estoril, CIISA/Faculdade de Medicina Veterinária, Pólo Universitário da Ajuda, Rua Professor Cid dos Santos, Av. Condes de Barcelona, 2769-510 Estoril, Portugal, 1300-417 Lisboa, Portugal
- Direcção Geral de Alimentação e Veterinária, Largo da Academia Nacional de Bela Artes 2, 1249-105 Lisboa, Portugal
- CIISA/Faculdade de Medicina Veterinária, Pólo Universitário da Ajuda, Rua Professor Cid dos Santos, 1300-417 Lisboa, Portugal
| | - I. Almeida
- Escola Superior de Hotelaria e Turismo do Estoril, CIISA/Faculdade de Medicina Veterinária, Pólo Universitário da Ajuda, Rua Professor Cid dos Santos, Av. Condes de Barcelona, 2769-510 Estoril, Portugal, 1300-417 Lisboa, Portugal
- Direcção Geral de Alimentação e Veterinária, Largo da Academia Nacional de Bela Artes 2, 1249-105 Lisboa, Portugal
- CIISA/Faculdade de Medicina Veterinária, Pólo Universitário da Ajuda, Rua Professor Cid dos Santos, 1300-417 Lisboa, Portugal
| | - F. Bernardo
- Escola Superior de Hotelaria e Turismo do Estoril, CIISA/Faculdade de Medicina Veterinária, Pólo Universitário da Ajuda, Rua Professor Cid dos Santos, Av. Condes de Barcelona, 2769-510 Estoril, Portugal, 1300-417 Lisboa, Portugal
- Direcção Geral de Alimentação e Veterinária, Largo da Academia Nacional de Bela Artes 2, 1249-105 Lisboa, Portugal
- CIISA/Faculdade de Medicina Veterinária, Pólo Universitário da Ajuda, Rua Professor Cid dos Santos, 1300-417 Lisboa, Portugal
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Cakmakci S, Gurses M, Hayaloglu AA, Cetin B, Sekerci P, Dagdemir E. Mycotoxin production capability ofPenicillium roquefortiin strains isolated from mould-ripened traditional Turkish civil cheese. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2015; 32:245-9. [DOI: 10.1080/19440049.2014.997808] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Fontaine K, Passeró E, Vallone L, Hymery N, Coton M, Jany JL, Mounier J, Coton E. Occurrence of roquefortine C, mycophenolic acid and aflatoxin M1 mycotoxins in blue-veined cheeses. Food Control 2015. [DOI: 10.1016/j.foodcont.2014.07.046] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Abstract
Aflatoxins are toxic carcinogenic secondary metabolites produced predominantly by two fungal species: Aspergillus flavus and Aspergillus parasiticus. These fungal species are contaminants of foodstuff as well as feeds and are responsible for aflatoxin contamination of these agro products. The toxicity and potency of aflatoxins make them the primary health hazard as well as responsible for losses associated with contaminations of processed foods and feeds. Determination of aflatoxins concentration in food stuff and feeds is thus very important. However, due to their low concentration in foods and feedstuff, analytical methods for detection and quantification of aflatoxins have to be specific, sensitive, and simple to carry out. Several methods including thin-layer chromatography (TLC), high-performance liquid chromatography (HPLC), mass spectroscopy, enzyme-linked immune-sorbent assay (ELISA), and electrochemical immunosensor, among others, have been described for detecting and quantifying aflatoxins in foods. Each of these methods has advantages and limitations in aflatoxins analysis. This review critically examines each of the methods used for detection of aflatoxins in foodstuff, highlighting the advantages and limitations of each method. Finally, a way forward for overcoming such obstacles is suggested.
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Monitoring microbial quality of commercial dairy products in West Azerbaijan province, northwest of Iran. ASIAN PACIFIC JOURNAL OF TROPICAL DISEASE 2014. [DOI: 10.1016/s2222-1808(14)60735-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Vallone L, Giardini A, Soncini G. Secondary Metabolites from Penicillium roqueforti, A Starter for the Production of Gorgonzola Cheese. Ital J Food Saf 2014; 3:2118. [PMID: 27800360 PMCID: PMC5076727 DOI: 10.4081/ijfs.2014.2118] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Revised: 01/27/2014] [Accepted: 01/27/2014] [Indexed: 11/30/2022] Open
Abstract
The presence of mold in food, although necessary for production, can involve the presence of secondary metabolites, which are sometimes toxic. Penicillium roqueforti is a common saprophytic fungus but it is also the essential fungus used in the production of Roquefort cheese and other varieties of blue cheese containing internal mold. The study was conducted on industrial batches of Penicillium roqueforti starters used in the production of the Gorgonzola cheese, with the aim to verify the production of secondary metabolites. Nine Penicillium roqueforti strains were tested. The presence of roquefortine C, PR toxin and mycophenolic acid was tested first in vitro, then on bread-like substrate and lastly in vivo in nine cheese samples produced with the same starters and ready to market. In vitro, only Penicillium out of nine produced roquefortine C, four starters showed mycophenolic acid production, while no significant amounts of PR toxin were detected. In the samples grown on bread-like substrate, Penicillium did not produce secondary metabolites, likewise with each cheese samples tested. To protect consumers' health and safety, the presence of mycotoxins needs to be verified in food which is widely consumed, above all for products protected by the protected denomination of origin (DOP) label (i.e. a certificate guaranteeing the geographic origin of the product), such as Gorgonzola cheese.
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Affiliation(s)
- Lisa Vallone
- Dipartimento di Scienze Veterinarie per la Salute, la Produzione Animale e la Sicurezza Alimentare, Università di Milano
| | - Alberto Giardini
- Centro Sperimentale del Latte S.r.l., Zelo Buon Persico (LO), Italy
| | - Gabriella Soncini
- Dipartimento di Scienze Veterinarie per la Salute, la Produzione Animale e la Sicurezza Alimentare, Università di Milano
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Hymery N, Vasseur V, Coton M, Mounier J, Jany JL, Barbier G, Coton E. Filamentous Fungi and Mycotoxins in Cheese: A Review. Compr Rev Food Sci Food Saf 2014; 13:437-456. [PMID: 33412699 DOI: 10.1111/1541-4337.12069] [Citation(s) in RCA: 102] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Accepted: 02/12/2014] [Indexed: 12/01/2022]
Abstract
Important fungi growing on cheese include Penicillium, Aspergillus, Cladosporium, Geotrichum, Mucor, and Trichoderma. For some cheeses, such as Camembert, Roquefort, molds are intentionally added. However, some contaminating or technological fungal species have the potential to produce undesirable metabolites such as mycotoxins. The most hazardous mycotoxins found in cheese, ochratoxin A and aflatoxin M1, are produced by unwanted fungal species either via direct cheese contamination or indirect milk contamination (animal feed contamination), respectively. To date, no human food poisoning cases have been associated with contaminated cheese consumption. However, although some studies state that cheese is an unfavorable matrix for mycotoxin production; these metabolites are actually detected in cheeses at various concentrations. In this context, questions can be raised concerning mycotoxin production in cheese, the biotic and abiotic factors influencing their production, mycotoxin relative toxicity as well as the methods used for detection and quantification. This review emphasizes future challenges that need to be addressed by the scientific community, fungal culture manufacturers, and artisanal and industrial cheese producers.
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Affiliation(s)
- Nolwenn Hymery
- Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle de Brest Iroise, Université de Brest, EA3882, 29280 Plouzané, France
| | - Valérie Vasseur
- Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle de Brest Iroise, Université de Brest, EA3882, 29280 Plouzané, France
| | - Monika Coton
- Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle de Brest Iroise, Université de Brest, EA3882, 29280 Plouzané, France
| | - Jérôme Mounier
- Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle de Brest Iroise, Université de Brest, EA3882, 29280 Plouzané, France
| | - Jean-Luc Jany
- Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle de Brest Iroise, Université de Brest, EA3882, 29280 Plouzané, France
| | - Georges Barbier
- Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle de Brest Iroise, Université de Brest, EA3882, 29280 Plouzané, France
| | - Emmanuel Coton
- Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle de Brest Iroise, Université de Brest, EA3882, 29280 Plouzané, France
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Analytical Procedures for the Determination of Aflatoxin B1 in Eggs of Laying Hens Using Immunoaffinity Columns and Liquid Chromatography with Post-Column Derivatisation and Fluorescence Detection. FOOD ANAL METHOD 2014. [DOI: 10.1007/s12161-014-9836-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Li P, Zhang Z, Hu X, Zhang Q. Advanced hyphenated chromatographic-mass spectrometry in mycotoxin determination: current status and prospects. MASS SPECTROMETRY REVIEWS 2013; 32:420-452. [PMID: 23804155 DOI: 10.1002/mas.21377] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Accepted: 01/04/2013] [Indexed: 06/02/2023]
Abstract
Mass spectrometric techniques are essential for advanced research in food safety and environmental monitoring. These fields are important for securing the health of humans and animals, and for ensuring environmental security. Mycotoxins, toxic secondary metabolites of filamentous fungi, are major contaminants of agricultural products, food and feed, biological samples, and the environment as a whole. Mycotoxins can cause cancers, nephritic and hepatic diseases, various hemorrhagic syndromes, and immune and neurological disorders. Mycotoxin-contaminated food and feed can provoke trade conflicts, resulting in massive economic losses. Risk assessment of mycotoxin contamination for humans and animals generally depends on clear identification and reliable quantitation in diversified matrices. Pioneering work on mycotoxin quantitation using mass spectrometry (MS) was performed in the early 1970s. Now, unambiguous confirmation and quantitation of mycotoxins can be readily achieved with a variety hyphenated techniques that combine chromatographic separation with MS, including liquid chromatography (LC) or gas chromatography (GC). With the advent of atmospheric pressure ionization, LC-MS has become a routine technique. Recently, the co-occurrence of multiple mycotoxins in the same sample has drawn an increasing amount of attention. Thus, modern analyses must be able to detect and quantitate multiple mycotoxins in a single run. Improvements in tandem MS techniques have been made to achieve this purpose. This review describes the advanced research that has been done regarding mycotoxin determination using hyphenated chromatographic-MS techniques, but is not a full-circle survey of all the literature published on this topic. The present work provides an overview of the various hyphenated chromatographic-MS-based strategies that have been applied to mycotoxin analysis, with a focus on recent developments. The use of chromatographic-MS to measure levels of mycotoxins, including aflatoxins, ochratoxins, patulin, trichothecenes, zearalenone, and fumonisins, is discussed in detail. Both free and masked mycotoxins are included in this review due to different methods of sample preparation. Techniques are described in terms of sample preparation, internal standards, LC/ultra performance LC (UPLC) optimization, and applications and survey. Several future hyphenated MS techniques are discussed as well, including multidimensional chromatography-MS, capillary electrophoresis-MS, and surface plasmon resonance array-MS.
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Affiliation(s)
- Peiwu Li
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan 430062, P.R. China; Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Wuhan 430062, P.R. China; Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture, Wuhan 430062, P.R. China; Laboratory of Risk Assessment for Oilseeds Products (Wuhan), Ministry of Agriculture, Wuhan 430062, P.R. China; Quality Inspection and Test Center for Oilseeds Products, Ministry of Agriculture, Wuhan 430062, P.R. China
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43
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Biancardi A, Piro R, Galaverna G, Dall'Asta C. A simple and reliable liquid chromatography-tandem mass spectrometry method for determination of ochratoxin A in hard cheese. Int J Food Sci Nutr 2013; 64:632-40. [DOI: 10.3109/09637486.2013.763911] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Khan MR, Alothman ZA, Ghfar AA, Wabaidur SM. Analysis of aflatoxins in nonalcoholic beer using liquid-liquid extraction and ultraperformance LC-MS/MS. J Sep Sci 2012; 36:572-7. [DOI: 10.1002/jssc.201200752] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Revised: 09/18/2012] [Accepted: 09/26/2012] [Indexed: 11/08/2022]
Affiliation(s)
- Mohammad R. Khan
- Advanced Materials Research Chair, Department of Chemistry, College of Science; King Saud University; Riyadh; Kingdom of Saudi Arabia
| | - Zeid A. Alothman
- Advanced Materials Research Chair, Department of Chemistry, College of Science; King Saud University; Riyadh; Kingdom of Saudi Arabia
| | - Ayman A. Ghfar
- Advanced Materials Research Chair, Department of Chemistry, College of Science; King Saud University; Riyadh; Kingdom of Saudi Arabia
| | - Saikh M. Wabaidur
- Advanced Materials Research Chair, Department of Chemistry, College of Science; King Saud University; Riyadh; Kingdom of Saudi Arabia
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Biancardi A, Piro R, Dall'asta C, Galaverna G. A simple and reliable liquid chromatography-tandem mass spectrometry method for the determination of aflatoxin M1 in milk. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2012; 30:381-8. [PMID: 23176386 DOI: 10.1080/19440049.2012.743041] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
A new chromatographic method is proposed for the analysis of aflatoxin M(1) in milk. The method is based on liquid-liquid extraction followed by LC-MS/MS analysis. Liquid-liquid extraction (LLE) is performed on the defatted milk plus sodium chloride by using ethyl acetate as an extraction solvent. Accuracy and precision were evaluated at the LOQ (15 ng kg(-1)) spiked sample as well as with three other different naturally contaminated reference materials. The mean overall recovery (n = 24) was 95% with a confidence interval of 1.9% and a CV% of 4.5%. The performance of the proposed method was compared with that of the Official ISO Method based on the use of immunoaffinity chromatography columns (IAC): LLE protocol could be considered a valid alternative to the LC-IAC. In general it showed better accuracy with lower data dispersion. Moreover, the sample preparation is very simple and straightforward, potentially being applicable as a high-throughput method which, on account of its simplicity and low cost, may be applied to the analysis of a large number of samples in the occasion of outbreaks of large-scale contamination.
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Affiliation(s)
- A Biancardi
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia-Romagna, Brescia, Italy
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HPLC determination of aflatoxin M1 in liquid milk and milk powder using solid phase extraction on OASIS HLB. Food Control 2012. [DOI: 10.1016/j.foodcont.2012.04.037] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Capriotti AL, Caruso G, Cavaliere C, Foglia P, Samperi R, Laganà A. Multiclass mycotoxin analysis in food, environmental and biological matrices with chromatography/mass spectrometry. MASS SPECTROMETRY REVIEWS 2012; 31:466-503. [PMID: 22065561 DOI: 10.1002/mas.20351] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2011] [Revised: 10/11/2011] [Accepted: 10/11/2011] [Indexed: 05/31/2023]
Abstract
Mold metabolites that can elicit deleterious effects on other organisms are classified as mycotoxins. Human exposure to mycotoxins occurs mostly through the intake of contaminated agricultural products or residues due to carry over or metabolite products in foods of animal origin such as milk and eggs, but can also occur by dermal contact and inhalation. Mycotoxins contained in moldy foods, but also in damp interiors, can cause diseases in humans and animals. Nephropathy, various types of cancer, alimentary toxic aleukia, hepatic diseases, various hemorrhagic syndromes, and immune and neurological disorders are the most common diseases that can be related to mycotoxicosis. The absence or presence of mold infestation and its propagation are seldom correlated with mycotoxin presence. Mycotoxins must be determined directly, and suitable analytical methods are necessary. Hundreds of mycotoxins have been recognized, but only for a few of them, and in a restricted number of utilities, a maximum acceptable level has been regulated by law. However, mycotoxins seldom develop alone; more often various types and/or classes form in the same substrate. The co-occurrence might render the individual mycotoxin tolerance dose irrelevant, and therefore the mere presence of multiple mycotoxins should be considered a risk factor. The advantage of chromatography/mass spectrometry (MS) is that many compounds can be determined and confirmed in one analysis. This review illustrates the state-of-the-art of mycotoxin MS-based analytical methods for multiclass, multianalyte determination in all the matrices in which they appear. A chapter is devoted to the history of the long-standing coexistence and interaction among humans, domestic animals and mycotoxicosis, and the history of the discovery of mycotoxins. Quality assurance, although this topic relates to analytical chemistry in general, has been also examined for mycotoxin analysis as a preliminary to the systematic literature excursus. Sample handling is a crucial step to devise a multiclass analytical method; so when possible, it has been treated separately for a better comparison before tackling the instrumental part of the whole analytical method. This structure has resulted sometimes in unavoidable redundancies, because it was also important to underline the interconnection. Most reviews do not deal with all the possible mycotoxin sources, including the environmental ones. The focus of this review is the analytical methods based on MS for multimycotoxin class determination. Because the final purpose to devise multimycotoxin analysis should be the assessment of the danger to health of exposition to multitoxicants of natural origin (and possibly also the interaction with anthropogenic contaminants), therefore also the analytical methods for environmental relevant mycotoxins have been thoroughly reviewed. Finally, because the best way to shed light on actual risk assessment could be the individuation of exposure biomarkers, the review covers also the scarce literature on biological fluids.
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Soleimany F, Jinap S, Abas F. Determination of mycotoxins in cereals by liquid chromatography tandem mass spectrometry. Food Chem 2012. [DOI: 10.1016/j.foodchem.2011.07.131] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Cattaneo T, Marinoni L, Barzaghi S, Cremonesi K, Monti L. Testing the suitability of different high-performance liquid chromatographic methods to determine aflatoxin M1 in a soft fresh Italian cheese. J Chromatogr A 2011; 1218:4738-45. [DOI: 10.1016/j.chroma.2011.05.074] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2010] [Revised: 01/17/2011] [Accepted: 05/18/2011] [Indexed: 10/18/2022]
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Soleimany F, Jinap S, Rahmani A, Khatib A. Simultaneous detection of 12 mycotoxins in cereals using RP-HPLC-PDA-FLD with PHRED and a post-column derivatization system. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2011; 28:494-501. [PMID: 21337232 DOI: 10.1080/19440049.2010.551547] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
A new method for the simultaneous quantification of 12 mycotoxins was developed and optimized using reverse phase high performance liquid chromatography (RP-HPLC) with a photodiode array (PDA) and fluorescence detector (FLD), a photochemical reactor for enhanced detection (PHRED) and post-column derivatization. The mycotoxins included aflatoxins (AFB(1), AFB(2), AFG(1), and AFG(2)), ochratoxin A (OTA), zearalenone (ZEA), deoxynivalenol (DON), fumonisins (FB(1), FB(2), and FB(3)), T-2 and HT-2 toxins. A double sample extraction with a phosphate-buffered saline solution (PBS) and methanol was used for co-extraction of mycotoxins, and a multifunctional immunoaffinity column was used for cleanup. Optimum conditions for separation of the mycotoxins were obtained to separate 12 mycotoxins in FLD and PDA chromatograms with a high resolution. The method gave recoveries in the range 72-111% when applied to spiked corn samples. The limits of detection (LOD) were 0.025 ng/g for AFB(1) and AFG(1), 0.012 ng/g for AFB(2) and AFG(2), 0.2 ng/g for OTA, 1.5 ng/g for ZEA, 6.2 ng/g for FB(1), FB(3) and HT-2 toxin, 9.4 ng/g for FB(2) and T-2 toxin, and 18.7 ng/g for DON. In addition, the limits of quantification (LOQ) ranged from 0.04 ng/g for AFB(2) and AFG(2) to 62 ng/g for DON. The method was successfully applied to the determination of these mycotoxins in 45 cereal samples obtained from the Malaysian market. The results indicated that the method can be applied for the multi-mycotoxin determination of cereals.
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Affiliation(s)
- F Soleimany
- Center of Excellence for Food Safety Research, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
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