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Aguilera M, Tobar-Calfucoy E, Rojas-Martínez V, Norambuena R, Serrano MJ, Cifuentes O, Zamudio MS, San Martín D, Lara P, Sabag A, Zabner M, Tichy D, Camejo P, León L, Pino M, Ulloa S, Rojas F, Pieringer C, Muster C, Castillo D, Ferreira N, Avendaño C, Canaval M, Pieringer H, Cifuentes P, Cifuentes Muñoz N. Development and characterization of a bacteriophage cocktail with high lytic efficacy against field-isolated Salmonella enterica. Poult Sci 2023; 102:103125. [PMID: 37879168 PMCID: PMC10618821 DOI: 10.1016/j.psj.2023.103125] [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: 08/14/2023] [Revised: 09/14/2023] [Accepted: 09/14/2023] [Indexed: 10/27/2023] Open
Abstract
Salmonella spp. is a prevalent pathogen that causes great public health concern worldwide. Bacteriophage-based cocktails have arisen as an alternative to antibiotics to inhibit the growth of Salmonella. However, the bactericidal effect of bacteriophage cocktails in vivo largely differs from their observed effect in vitro. This is partly because in vitro developments of cocktails do not always consider the bacterial diversity nor the environmental conditions where bacteriophages will have to replicate. Here, we isolated and sequenced 47 bacteriophages that showed variable degrees of lytic activity against 258 Salmonella isolates from a commercial broiler company in Brazil. Three of these bacteriophages were characterized and selected to assemble a cocktail. In vitro quantitative assays determined the cocktail to be highly effective against multiple serovars of Salmonella, including Minnesota and Heidelberg. Remarkably, the in vitro lytic activity of the cocktail was retained or improved in conditions that more closely resembled the chicken gut, such as anaerobiosis, 42°C, and Salmonella mono-strain biofilms. Analysis of bacterial cross-resistance between the 3 bacteriophages composing the cocktail revealed limited or no generation of cross-resistance. Our results highlight the relevance of an optimized flux of work to develop bacteriophage cocktails against Salmonella with high lytic efficacy and strong potential to be applied in vivo in commercial broiler farms.
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Affiliation(s)
- Matías Aguilera
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Eduardo Tobar-Calfucoy
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Victoria Rojas-Martínez
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Rodrigo Norambuena
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - María Jesús Serrano
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Onix Cifuentes
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - María Sofía Zamudio
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Daniel San Martín
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Pabla Lara
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Andrea Sabag
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Marcela Zabner
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Daniel Tichy
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Pamela Camejo
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Luis León
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Michael Pino
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Soledad Ulloa
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Felipe Rojas
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Christian Pieringer
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Cecilia Muster
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Daniel Castillo
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Nicolás Ferreira
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Camilo Avendaño
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Mauro Canaval
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Hans Pieringer
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Pablo Cifuentes
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile
| | - Nicolás Cifuentes Muñoz
- PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile..
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Ribeiro JM, Pereira GN, Durli Junior I, Teixeira GM, Bertozzi MM, Verri WA, Kobayashi RKT, Nakazato G. Comparative analysis of effectiveness for phage cocktail development against multiple Salmonella serovars and its biofilm control activity. Sci Rep 2023; 13:13054. [PMID: 37567926 PMCID: PMC10421930 DOI: 10.1038/s41598-023-40228-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 08/07/2023] [Indexed: 08/13/2023] Open
Abstract
Foodborne diseases are a major challenge in the global food industry, especially those caused by multidrug-resistant (MDR) bacteria. Bacteria capable of biofilm formation, in addition to MDR strains, reduce the treatment efficacy, posing a significant threat to bacterial control. Bacteriophages, which are viruses that infect and kill bacteria, are considered a promising alternative in combating MDR bacteria, both in human medicine and animal production. Phage cocktails, comprising multiple phages, are commonly employed to broaden the host range and prevent or delay the development of phage resistance. There are numerous techniques and protocols available to evaluate the lytic activity of bacteriophages, with the most commonly used methods being Spot Test Assays, Efficiency of Plating (EOP), and infection assays in liquid culture. However, there is currently no standardization for which analyses should be employed and the possible differences among them in order to precisely determine the host range of phages and the composition of a cocktail. A preliminary selection using the Spot Test Assay resulted in four phages for subsequent evaluation against a panel of 36 Salmonella isolates of numerous serovars. Comparing EOP and infection assays in liquid culture revealed that EOP could underestimate the lytic activity of phages, directly influencing phage cocktail development. Moreover, the phage cocktail containing the four selected phages was able to control or remove biofilms formed by 66% (23/35) of the isolates, including those exhibiting low susceptibility to phages, according to EOP. Phages were characterized genomically, revealing the absence of genes associated with antibiotic resistance, virulence factors, or integrases. According to confocal laser scanning microscopy analysis, the biofilm maturation of one Salmonella isolate, which exhibited high susceptibility to phages in liquid culture and 96-well plates biofilm viability assays but had low values for EOP, was found to be inhibited and controlled by the phage cocktail. These observations indicate that phages could control and remove Salmonella biofilms throughout their growth and maturation process, despite their low EOP values. Moreover, using infection assays in liquid culture enables a more precise study of phage interactions for cocktail design timelessly and effortlessly. Hence, integrating strategies and techniques to comprehensively assess the host range and lytic activity of bacteriophages under different conditions can demonstrate more accurately the antibacterial potential of phage cocktails.
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Affiliation(s)
- Jhonatan Macedo Ribeiro
- Laboratory of Basic and Applied Bacteriology, State University of Londrina, Londrina, PR, Brazil
| | - Giovana Nicolete Pereira
- Laboratory of Basic and Applied Bacteriology, State University of Londrina, Londrina, PR, Brazil
| | - Itamar Durli Junior
- Laboratory of Bioinformatics, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | | | - Mariana Marques Bertozzi
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, State University of Londrina, Londrina, PR, Brazil
| | - Waldiceu A Verri
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, State University of Londrina, Londrina, PR, Brazil
| | | | - Gerson Nakazato
- Laboratory of Basic and Applied Bacteriology, State University of Londrina, Londrina, PR, Brazil.
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Wójcicki M, Świder O, Średnicka P, Shymialevich D, Ilczuk T, Koperski Ł, Cieślak H, Sokołowska B, Juszczuk-Kubiak E. Newly Isolated Virulent Salmophages for Biocontrol of Multidrug-Resistant Salmonella in Ready-to-Eat Plant-Based Food. Int J Mol Sci 2023; 24:10134. [PMCID: PMC10299301 DOI: 10.3390/ijms241210134] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/11/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Due to irrational antibiotic stewardship, an increase in the incidence of multidrug resistance of bacteria has been observed recently. Therefore, the search for new therapeutic methods for pathogen infection treatment seems to be necessary. One of the possibilities is the utilization of bacteriophages (phages)—the natural enemies of bacteria. Thus, this study is aimed at the genomic and functional characterization of two newly isolated phages targeting MDR Salmonella enterica strains and their efficacy in salmonellosis biocontrol in raw carrot–apple juice. The Salmonella phage vB_Sen-IAFB3829 (Salmonella phage strain KKP 3829) and Salmonella phage vB_Sen-IAFB3830 (Salmonella phage strain KKP 3830) were isolated against S. I (6,8:l,-:1,7) strain KKP 1762 and S. Typhimurium strain KKP 3080 host strains, respectively. Based on the transmission electron microscopy (TEM) and whole-genome sequencing (WGS) analyses, the viruses were identified as members of tailed bacteriophages from the Caudoviricetes class. Genome sequencing revealed that these phages have linear double-stranded DNA and sizes of 58,992 bp (vB_Sen-IAFB3829) and 50,514 bp (vB_Sen-IAFB3830). Phages retained their activity in a wide range of temperatures (from −20 °C to 60 °C) and active acidity values (pH from 3 to 11). The exposure of phages to UV radiation significantly decreased their activity in proportion to the exposure time. The application of phages to the food matrices significantly reduced the level of Salmonella contamination compared to the control. Genome analysis showed that both phages do not encode virulence or toxin genes and can be classified as virulent bacteriophages. Virulent characteristics and no possible pathogen factors make examined phages feasible to be potential candidates for food biocontrol.
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Affiliation(s)
- Michał Wójcicki
- Laboratory of Biotechnology and Molecular Engineering, Department of Microbiology, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology—State Research Institute, Rakowiecka 36 Str., 02-532 Warsaw, Poland; (P.Ś.); (E.J.-K.)
| | - Olga Świder
- Department of Food Safety and Chemical Analysis, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology—State Research Institute, Rakowiecka 36 Str., 02-532 Warsaw, Poland;
| | - Paulina Średnicka
- Laboratory of Biotechnology and Molecular Engineering, Department of Microbiology, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology—State Research Institute, Rakowiecka 36 Str., 02-532 Warsaw, Poland; (P.Ś.); (E.J.-K.)
| | - Dziyana Shymialevich
- Culture Collection of Industrial Microorganisms—Microbiological Resources Center, Department of Microbiology, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology—State Research Institute, Rakowiecka 36 Str., 02-532 Warsaw, Poland; (D.S.); (H.C.)
| | - Tomasz Ilczuk
- Department of Pathology, Medical University of Warsaw, Pawińskiego 7 Str., 02-106 Warsaw, Poland; (T.I.); (Ł.K.)
| | - Łukasz Koperski
- Department of Pathology, Medical University of Warsaw, Pawińskiego 7 Str., 02-106 Warsaw, Poland; (T.I.); (Ł.K.)
| | - Hanna Cieślak
- Culture Collection of Industrial Microorganisms—Microbiological Resources Center, Department of Microbiology, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology—State Research Institute, Rakowiecka 36 Str., 02-532 Warsaw, Poland; (D.S.); (H.C.)
| | - Barbara Sokołowska
- Department of Microbiology, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology—State Research Institute, Rakowiecka 36 Str., 02-532 Warsaw, Poland
| | - Edyta Juszczuk-Kubiak
- Laboratory of Biotechnology and Molecular Engineering, Department of Microbiology, Prof. Waclaw Dabrowski Institute of Agricultural and Food Biotechnology—State Research Institute, Rakowiecka 36 Str., 02-532 Warsaw, Poland; (P.Ś.); (E.J.-K.)
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Thanki AM, Hooton S, Whenham N, Salter MG, Bedford MR, O'Neill HVM, Clokie MRJ. A bacteriophage cocktail delivered in feed significantly reduced Salmonella colonization in challenged broiler chickens. Emerg Microbes Infect 2023:2217947. [PMID: 37224439 DOI: 10.1080/22221751.2023.2217947] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
AbstractNontyphoidal Salmonella spp. are a leading cause of human gastrointestinal infections and are commonly transmitted via consumption of contaminated meat. To limit the spread of Salmonella and other food-borne pathogens in the food chain, bacteriophage (phage) therapy could be used during rearing or pre-harvest stages of animal production. This study was conducted to determine if a phage cocktail delivered in-feed is capable of reducing Salmonella colonization in experimentally-challenged chickens and to determine the optimal phage dose. 672 broilers were divided into six treatment groups T1 (no phage diet and unchallenged); T2 (phage diet 106 PFU/day); T3 (challenged group); T4 (phage diet 105 PFU/day and challenged); T5 (phage diet 106 PFU/day and challenged); and T6 (phage diet 107 PFU/day and challenged). The liquid phage cocktail was added to mash diet with ad libitum access available throughout the study. By day 42 (concluding day of the study) no Salmonella was detected in faecal samples collected from group T4. Salmonella was isolated from a small number of pens in groups T5 (3/16) and T6 (2/16) at ∼4 × 102 CFU/g. In comparison Salmonella was isolated from 7/16 pens in T3 at ∼3 × 104 CFU/g. Phage treatment at all three doses had a positive impact on growth performance in challenged birds with increased weight gains in comparison to challenged birds with no phage diet. We showed delivering phages via feed was effective at reducing Salmonella colonization in chickens and our study highlights phages offer a promising tool to target bacterial infections in poultry.
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Affiliation(s)
- Anisha M Thanki
- Department of Genetics and Genome Biology, University of Leicester, Leicester, LE1 7RH, UK
| | - Steven Hooton
- Department of Genetics and Genome Biology, University of Leicester, Leicester, LE1 7RH, UK
| | - Natasha Whenham
- Ab Agri, Innovation Way, Peterborough Business Park, Peterborough, PE2 6FL, UK
| | - Michael G Salter
- Ab Agri, Innovation Way, Peterborough Business Park, Peterborough, PE2 6FL, UK
| | - Mike R Bedford
- Ab Vista, Woodstock Court, Blenheim Road, Marlborough Business Park, Marlborough, Wiltshire, SN8 4AN, UK
| | - Helen V M O'Neill
- Ab Agri, Innovation Way, Peterborough Business Park, Peterborough, PE2 6FL, UK
| | - Martha R J Clokie
- Department of Genetics and Genome Biology, University of Leicester, Leicester, LE1 7RH, UK
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Natural Killers: Opportunities and Challenges for the Use of Bacteriophages in Microbial Food Safety from the One Health Perspective. Foods 2023; 12:foods12030552. [PMID: 36766081 PMCID: PMC9914193 DOI: 10.3390/foods12030552] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/23/2023] [Accepted: 01/24/2023] [Indexed: 01/28/2023] Open
Abstract
Ingestion of food or water contaminated with pathogenic bacteria may cause serious diseases. The One Health approach may help to ensure food safety by anticipating, preventing, detecting, and controlling diseases that spread between animals, humans, and the environment. This concept pays special attention to the increasing spread and dissemination of antibiotic-resistant bacteria, which are considered one of the most important environment-related human and animal health hazards. In this context, the development of innovative, versatile, and effective alternatives to control bacterial infections in order to assure comprehensive food microbial safety is becoming an urgent issue. Bacteriophages (phages), viruses of bacteria, have gained significance in the last years due to the request for new effective antimicrobials for the treatment of bacterial diseases, along with many other applications, including biotechnology and food safety. This manuscript reviews the application of phages in order to prevent food- and water-borne diseases from a One Health perspective. Regarding the necessary decrease in the use of antibiotics, results taken from the literature indicate that phages are also promising tools to help to address this issue. To assist future phage-based real applications, the pending issues and main challenges to be addressed shortly by future studies are also taken into account.
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A Glimpse at the Anti-Phage Defenses Landscape in the Foodborne Pathogen Salmonella enterica subsp. enterica serovar Typhimurium. Viruses 2023; 15:v15020333. [PMID: 36851545 PMCID: PMC9958689 DOI: 10.3390/v15020333] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
Bacteriophages, which specifically infect and kill bacteria, are currently used as additives to control pathogens such as Salmonella in human food (PhageGuard S®) or animal feed (SalmoFREE®, Bafasal®). Indeed, salmonellosis is among the most important zoonotic foodborne illnesses. The presence of anti-phage defenses protecting bacteria against phage infection could impair phage applications aiming at reducing the burden of foodborne pathogens such as Salmonella enterica subsp. enterica serovar Typhimurium (S. Typhimurium) to the food industry. In this study, the landscape of S. Typhimurium anti-phage defenses was bioinformatically investigated in publicly available genomes using the webserver PADLOC. The primary anti-phage systems identified in S. Typhimurium use nucleic acid degradation and abortive infection mechanisms. Reference systems were identified on an integrative and conjugative element, a transposon, a putative integrative and mobilizable element, and prophages. Additionally, the mobile genetic elements (MGEs) containing a subset of anti-phage systems were found in the Salmonella enterica species. Lastly, the MGEs alone were also identified in the Enterobacteriaceae family. The presented diversity assessment of the anti-phage defenses and investigation of their dissemination through MGEs in S. Typhimurium constitute a first step towards the design of preventive measures against the spread of phage resistance that may hinder phage applications.
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Endolysins of bacteriophage vB_Sal-S-S10 can naturally lyse Salmonella enteritidis. BMC Vet Res 2022; 18:410. [PMID: 36411417 PMCID: PMC9677904 DOI: 10.1186/s12917-022-03514-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 11/10/2022] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND The holin-endolysin lysis system plays an essential role in the phage life cycle. Endolysins are promising alternatives to antibiotics, and have been successfully used against Gram-positive bacteria. However, a few endolysins can externally lyse Gram-negative bacteria, due to the inaccessible peptidoglycan layer covered by the envelope. RESULTS This study investigated the lysis system of a new Siphoviridae bacteriophage vB_Sal-S-S10 (S10), which, that was isolated from broiler farms, was found to be able to infect 51.4% (37/72) of tested S. enteritidis strains. Phage S10 genome had a classic holin-endolysin lysis system, except that one holin and one endolysin gene were functionally annotated. The orf 22 adjacent to the lysis cassette was identified as a new endolysin gene. Antibacterial activity assays showed that holin had an intracellular penetrating activity against S. enteritidis 35; both endolysins acted on the cell envelope of S. enteritidis 35 and showed a natural extracellular antibacterial activity, leading to a ~ 1 log titer decrease in 30 min. Protein characterization of lysin1 and lysin2 revealed that the majority of the N-terminus and the C-terminus were hydrophobic amino acids or positively charged. CONCLUSION In this study, a new Salmonella phage vB_Sal-S-S10 (S10) was characterized and showed an ideal development prospect. Phage S10 has a classic holin-endolysin lysis system, carrying an overlapping holin-lysin gene and a novel lysin gene. Both endolysins coded by lysin genes could externally lyse S. enteritidis. The natural extracellular antibacterial character of endolysins would provide necessary information for the development of engineering endolysin as the antibiotic alternative against the infection with multidrug-resistant gram-negative bacteria.
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Bacteriophage and their lysins: A new era of biocontrol for inactivation of pathogenic bacteria in poultry processing and production—A review. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.108976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Huang Y, Wang W, Zhang Z, Gu Y, Huang A, Wang J, Hao H. Phage Products for Fighting Antimicrobial Resistance. Microorganisms 2022; 10:microorganisms10071324. [PMID: 35889048 PMCID: PMC9324367 DOI: 10.3390/microorganisms10071324] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/22/2022] [Accepted: 06/27/2022] [Indexed: 12/19/2022] Open
Abstract
Antimicrobial resistance (AMR) has become a global public health issue and antibiotic agents have lagged behind the rise in bacterial resistance. We are searching for a new method to combat AMR and phages are viruses that can effectively fight bacterial infections, which have renewed interest as antibiotic alternatives with their specificity. Large phage products have been produced in recent years to fight AMR. Using the “one health” approach, this review summarizes the phage products used in plant, food, animal, and human health. In addition, the advantages and disadvantages and future perspectives for the development of phage therapy as an antibiotic alternative to combat AMR are also discussed in this review.
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Affiliation(s)
- Yuanling Huang
- National Reference Laboratory of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan 430070, China; (Y.H.); (W.W.); (Z.Z.); (Y.G.); (A.H.); (J.W.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan 430070, China
| | - Wenhui Wang
- National Reference Laboratory of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan 430070, China; (Y.H.); (W.W.); (Z.Z.); (Y.G.); (A.H.); (J.W.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan 430070, China
| | - Zhihao Zhang
- National Reference Laboratory of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan 430070, China; (Y.H.); (W.W.); (Z.Z.); (Y.G.); (A.H.); (J.W.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan 430070, China
| | - Yufeng Gu
- National Reference Laboratory of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan 430070, China; (Y.H.); (W.W.); (Z.Z.); (Y.G.); (A.H.); (J.W.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan 430070, China
| | - Anxiong Huang
- National Reference Laboratory of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan 430070, China; (Y.H.); (W.W.); (Z.Z.); (Y.G.); (A.H.); (J.W.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan 430070, China
| | - Junhao Wang
- National Reference Laboratory of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan 430070, China; (Y.H.); (W.W.); (Z.Z.); (Y.G.); (A.H.); (J.W.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan 430070, China
| | - Haihong Hao
- National Reference Laboratory of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan 430070, China; (Y.H.); (W.W.); (Z.Z.); (Y.G.); (A.H.); (J.W.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan 430070, China
- Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Shenzhen 518000, China
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518000, China
- Correspondence:
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Evran S, Tayyarcan EK, Acar-Soykut E, Boyaci IH. Applications of Bacteriophage Cocktails to Reduce Salmonella Contamination in Poultry Farms. FOOD AND ENVIRONMENTAL VIROLOGY 2022; 14:1-9. [PMID: 34773567 DOI: 10.1007/s12560-021-09501-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 10/04/2021] [Indexed: 06/13/2023]
Abstract
Salmonella contamination is a critical problem in poultry farms, with serious consequences for both animals and food products. The aim of this study is to investigate the use of phage cocktails to reduce Salmonella contamination in poultry farms. Within the scope of the study, Salmonella phages were isolated from chicken stool. After the host range of phages was determined, morphological characterization was performed through transmission electron microscopy analysis. Then, replication parameters and adsorption rates were determined by one-step growth curves. After that, phage cocktail was prepared, and its effectiveness was tested in three environments, which were drinking water, shavings, and plastic surfaces. The results obtained have demonstrated that the phage cocktail can reduce Salmonella count up to 2.80 log10 units in drinking water, up to 2.30 log10 units on shavings, and 2.31 log10 units on plastic surfaces. It has been determined that phage cocktails could be a successful alternative in reducing Salmonella contamination in poultry environment. This work is the first study to investigate the use of phage cocktails for reducing Salmonella contamination in poultry water and on shavings, and it is presumed that the results obtained will contribute to the fight against pathogens by making them applicable to poultry farms.
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Affiliation(s)
- Sefika Evran
- Food Engineering Department, Hacettepe University, Beytepe, 06800, Ankara, Turkey
| | | | - Esra Acar-Soykut
- Yeniçağa Yaşar Çelik Vocational School, Bolu Abant İzzet Baysal University, Bolu, Turkey
| | - Ismail Hakki Boyaci
- Food Engineering Department, Hacettepe University, Beytepe, 06800, Ankara, Turkey.
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Oral Toxicity Study for Salmonella Killing Lytic Bacteriophage NINP13076 in BALB/c Mice and Its Effect on Probiotic Microbiota. Curr Microbiol 2022; 79:89. [PMID: 35129700 DOI: 10.1007/s00284-021-02754-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 12/24/2021] [Indexed: 11/03/2022]
Abstract
Viruses that infect bacteria are emerging as attractive biocontrol agents and biopreservatives for foods. Since these bacteriophages kill the target pathogens by lysis and are also consumed along with food, it is essential to evaluate their collateral toxicity on the probiotic gut microbiota. In this study, we examined the acute oral toxicity of a Salmonella phage isolated from sewage in mice. Acute oral administration of the Salmonella phage for five consecutive days did not show any significant pathological changes in the vital organs like lung, kidneys, heart, liver, and intestine. In addition, growth of typical probiotic microbiota remained unaffected even after incubation up to 24 h with the Salmonella phage. The results of this study clearly showed that oral administration of the lytic Salmonella phage did not have any significant adverse effects on the animals, may not harm the probiotic gut microbiota, and are likely to be safe for use in food preservation.
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12
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Ngu NT, Phuong LNN, Anh LH, Loc HT, Tam NT, Huan PKN, Diep TH, Kamei K. The Efficiency of Bacteriophages Against Salmonella Typhimurium Infection in Native Noi Broilers. BRAZILIAN JOURNAL OF POULTRY SCIENCE 2022. [DOI: 10.1590/1806-9061-2021-1561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- NT Ngu
- Can Tho University, Vietnam
| | - LNN Phuong
- Can Tho University, Vietnam; Department of Agriculture and Rural Development, Vietnam
| | - LH Anh
- Can Tho University, Vietnam
| | - HT Loc
- Can Tho University, Vietnam
| | - NT Tam
- Can Tho University, Vietnam
| | | | - TH Diep
- Tien Giang University, Vietnam
| | - K Kamei
- Kyoto Institute of Technology, Japan
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13
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Rogovski P, Cadamuro RD, da Silva R, de Souza EB, Bonatto C, Viancelli A, Michelon W, Elmahdy EM, Treichel H, Rodríguez-Lázaro D, Fongaro G. Uses of Bacteriophages as Bacterial Control Tools and Environmental Safety Indicators. Front Microbiol 2021; 12:793135. [PMID: 34917066 PMCID: PMC8670004 DOI: 10.3389/fmicb.2021.793135] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 11/11/2021] [Indexed: 11/19/2022] Open
Abstract
Bacteriophages are bacterial-specific viruses and the most abundant biological form on Earth. Each bacterial species possesses one or multiple bacteriophages and the specificity of infection makes them a promising alternative for bacterial control and environmental safety, as a biotechnological tool against pathogenic bacteria, including those resistant to antibiotics. This application can be either directly into foods and food-related environments as biocontrol agents of biofilm formation. In addition, bacteriophages are used for microbial source-tracking and as fecal indicators. The present review will focus on the uses of bacteriophages like bacterial control tools, environmental safety indicators as well as on their contribution to bacterial control in human, animal, and environmental health.
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Affiliation(s)
- Paula Rogovski
- Laboratory of Applied Virology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Rafael Dorighello Cadamuro
- Laboratory of Applied Virology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Raphael da Silva
- Laboratory of Applied Virology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Estêvão Brasiliense de Souza
- Laboratory of Applied Virology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Charline Bonatto
- Department of Chemical and Food Engineering, Federal University of Santa Catarina, Florianópolis, Brazil
- Laboratory of Microbiology and Bioprocesses, Federal University of Fronteira Sul (UFFS), Erechim, Brazil
| | | | | | - Elmahdy M. Elmahdy
- Laboratory of Environmental Virology, Environmental Research Division, Department of Water Pollution Research, National Research Centre, Giza, Egypt
| | - Helen Treichel
- Laboratory of Microbiology and Bioprocesses, Federal University of Fronteira Sul (UFFS), Erechim, Brazil
| | - David Rodríguez-Lázaro
- Division of Microbiology, Department of Biotechnology and Food Science, Universidad de Burgos, Burgos, Spain
- Centre for Emerging Pathogens and Global Health, Universidad de Burgos, Burgos, Spain
| | - Gislaine Fongaro
- Laboratory of Applied Virology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, Florianópolis, Brazil
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14
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Examining the Effects of an Anti-Salmonella Bacteriophage Preparation, BAFASAL ®, on Ex-Vivo Human Gut Microbiome Composition and Function Using a Multi-Omics Approach. Viruses 2021; 13:v13091734. [PMID: 34578313 PMCID: PMC8473076 DOI: 10.3390/v13091734] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/21/2021] [Accepted: 08/23/2021] [Indexed: 12/13/2022] Open
Abstract
Salmonella infections (salmonellosis) pose serious health risks to humans, usually via food-chain contamination. This foodborne pathogen causes major food losses and human illnesses, with significant economic impacts. Overuse of antibiotics in the food industry has led to multidrug-resistant strains of bacteria, and governments are now restricting their use, leading the food industry to search for alternatives to secure food chains. Bacteriophages, viruses that infect and kill bacteria, are currently being investigated and used as replacement treatments and prophylactics due to their specificity and efficacy. They are generally regarded as safe alternatives to antibiotics, as they are natural components of the ecosystem. However, when specifically used in the industry, they can also make their way into humans through our food chain or exposure, as is the case for antibiotics. In particular, agricultural workers could be repeatedly exposed to bacteriophages supplemented to animal feeds. To our knowledge, no studies have investigated the effects of such exposure to bacteriophages on the human gut microbiome. In this study, we used a novel in-vitro assay called RapidAIM to investigate the effect of a bacteriophage mixture, BAFASAL®, used in poultry farming on five individual human gut microbiomes. Multi-omics analyses, including 16S rRNA gene sequencing and metaproteomic, revealed that ex-vivo human gut microbiota composition and function were unaffected by BAFASAL® treatment, providing an additional measure for its safety. Due to the critical role of the gut microbiome in human health and the known role of bacteriophages in regulation of microbiome composition and function, we suggest assaying the impact of bacteriophage-cocktails on the human gut microbiome as a part of their safety assessment.
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15
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Śliwka P, Ochocka M, Skaradzińska A. Applications of bacteriophages against intracellular bacteria. Crit Rev Microbiol 2021; 48:222-239. [PMID: 34428105 DOI: 10.1080/1040841x.2021.1960481] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Infectious diseases pose a significant threat to both human and animal populations. Intracellular bacteria are a group of pathogens that invade and survive within the interior of eukaryotic cells, which in turn protect them from antibacterial drugs and the host immune system. Limited penetration of antibacterials into host cells results in insufficient bacterial clearance and treatment failure. Bacteriophages have, over the decades, been proved to play an important role in combating bacterial infections (phage therapy), making them an important alternative to classical antibiotic strategies today. Phages have been found to be effective at killing various species of extracellular bacteria, but little is still known about how phages control intracellular infections. With advances in phage genomics and mechanisms of delivery and cell uptake, the development of phage-based antibacterial strategies to address the treatment of intracellular bacteria has general potential. In this review, we present the current state of knowledge regarding the application of bacteriophages against intracellular bacteria. We cover phage deployment against the most common intracellular pathogens with special attention to therapeutic and preventive strategies.
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Affiliation(s)
- Paulina Śliwka
- Department of Biotechnology and Food Microbiology, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
| | - Marta Ochocka
- Department of Biotechnology and Food Microbiology, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
| | - Aneta Skaradzińska
- Department of Biotechnology and Food Microbiology, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
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16
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Fong K, Wong CW, Wang S, Delaquis P. How Broad Is Enough: The Host Range of Bacteriophages and Its Impact on the Agri-Food Sector. PHAGE 2021; 2:83-91. [PMID: 36148040 PMCID: PMC9041489 DOI: 10.1089/phage.2020.0036] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Novel bacteriophages (phages) possessing a broad host range are consistently and routinely reported, yet there is presently no consensus on the definition of “broad host range.” As phages are increasingly being used in the development of methods for the detection and biocontrol of human pathogens, it is important to address the limitations associated with the host range. For instance, unanticipated host range breadth may result in the detection of nonpathogenic targets, thereby increasing the false-positive rate. Moreover, a broad host range is generally favored in biocontrol applications despite the risk of undesirable ancillary effects against nontarget species. Here, we discuss the research progress, applications, and implications of broad host range phages with a focus on tailed broad host range phages infecting human pathogens of concern in the Agri-Food sector.
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Affiliation(s)
- Karen Fong
- Summerland Research and Development Centre, Agriculture and Agri-Food Canada, Summerland, Canada
- Address correspondence to: Karen Fong, PhD, Summerland Research and Development Centre, Agriculture and Agri-Food Canada, Postal Box 5000, Summerland BC V0H1Z0, Canada
| | - Catherine W.Y. Wong
- Food, Nutrition and Health, University of British Columbia, Vancouver, Canada
| | - Siyun Wang
- Food, Nutrition and Health, University of British Columbia, Vancouver, Canada
| | - Pascal Delaquis
- Summerland Research and Development Centre, Agriculture and Agri-Food Canada, Summerland, Canada
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17
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Huang Z, Zhang Z, Tong J, Malakar PK, Chen L, Liu H, Pan Y, Zhao Y. Phages and their lysins: Toolkits in the battle against foodborne pathogens in the postantibiotic era. Compr Rev Food Sci Food Saf 2021; 20:3319-3343. [PMID: 33938116 DOI: 10.1111/1541-4337.12757] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 03/22/2021] [Accepted: 03/25/2021] [Indexed: 12/13/2022]
Abstract
Worldwide, foods waste caused by putrefactive organisms and diseases caused by foodborne pathogens persist as public health problems even with a plethora of modern antimicrobials. Our over reliance on antimicrobials use in agriculture, medicine, and other fields will lead to a postantibiotic era where bacterial genotypic resistance, phenotypic adaptation, and other bacterial evolutionary strategies cause antimicrobial resistance (AMR). This AMR is evidenced by the emergence of multiple drug-resistant (MDR) bacteria and pan-resistant (PDR) bacteria, which produces cross-contamination in multiple fields and poses a more serious threat to food safety. A "red queen premise" surmises that the coevolution of phages and bacteria results in an evolutionary arms race that compels phages to adapt and survive bacterial antiphage strategies. Phages and their lysins are therefore useful toolkits in the design of novel antimicrobials in food protection and foodborne pathogens control, and the modality of using phages as a targeted vector against foodborne pathogens is gaining momentum based on many encouraging research outcomes. In this review, we discuss the rationale of using phages and their lysins as weapons against spoilage organisms and foodborne pathogens, and outline the targeted conquest or dodge mechanism of phages and the development of novel phage prospects. We also highlight the implementation of phages and their lysins to control foodborne pathogens in a farm-table-hospital domain in the postantibiotic era.
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Affiliation(s)
- Zhenhua Huang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Zhaohuan Zhang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China.,College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Jinrong Tong
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Pradeep K Malakar
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Liangbiao Chen
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Haiquan Liu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China.,Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Rural Affairs, Shanghai, China.,Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai, China
| | - Yingjie Pan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China.,Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Rural Affairs, Shanghai, China.,Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai, China
| | - Yong Zhao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China.,Laboratory of Quality & Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture and Rural Affairs, Shanghai, China.,Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai, China
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18
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Jayapaul J, Schröder L. Molecular Sensing with Host Systems for Hyperpolarized 129Xe. Molecules 2020; 25:E4627. [PMID: 33050669 PMCID: PMC7587211 DOI: 10.3390/molecules25204627] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/27/2020] [Accepted: 09/30/2020] [Indexed: 12/12/2022] Open
Abstract
Hyperpolarized noble gases have been used early on in applications for sensitivity enhanced NMR. 129Xe has been explored for various applications because it can be used beyond the gas-driven examination of void spaces. Its solubility in aqueous solutions and its affinity for hydrophobic binding pockets allows "functionalization" through combination with host structures that bind one or multiple gas atoms. Moreover, the transient nature of gas binding in such hosts allows the combination with another signal enhancement technique, namely chemical exchange saturation transfer (CEST). Different systems have been investigated for implementing various types of so-called Xe biosensors where the gas binds to a targeted host to address molecular markers or to sense biophysical parameters. This review summarizes developments in biosensor design and synthesis for achieving molecular sensing with NMR at unprecedented sensitivity. Aspects regarding Xe exchange kinetics and chemical engineering of various classes of hosts for an efficient build-up of the CEST effect will also be discussed as well as the cavity design of host molecules to identify a pool of bound Xe. The concept is presented in the broader context of reporter design with insights from other modalities that are helpful for advancing the field of Xe biosensors.
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Affiliation(s)
| | - Leif Schröder
- Molecular Imaging, Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), 13125 Berlin, Germany;
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