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Costa P, Pereira C, Romalde JL, Almeida A. A game of resistance: War between bacteria and phages and how phage cocktails can be the solution. Virology 2024; 599:110209. [PMID: 39186863 DOI: 10.1016/j.virol.2024.110209] [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: 05/29/2024] [Revised: 08/12/2024] [Accepted: 08/14/2024] [Indexed: 08/28/2024]
Abstract
While phages hold promise as an antibiotic alternative, they encounter significant challenges in combating bacterial infections, primarily due to the emergence of phage-resistant bacteria. Bacterial defence mechanisms like superinfection exclusion, CRISPR, and restriction-modification systems can hinder phage effectiveness. Innovative strategies, such as combining different phages into cocktails, have been explored to address these challenges. This review delves into these defence mechanisms and their impact at each stage of the infection cycle, their challenges, and the strategies phages have developed to counteract them. Additionally, we examine the role of phage cocktails in the evolving landscape of antibacterial treatments and discuss recent studies that highlight the effectiveness of diverse phage cocktails in targeting essential bacterial receptors and combating resistant strains.
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Affiliation(s)
- Pedro Costa
- CESAM, Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Carla Pereira
- CESAM, Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Jesús L Romalde
- Department of Microbiology and Parasitology, CRETUS & CIBUS - Faculty of Biology, University of Santiago de Compostela, CP 15782 Santiago de Compostela, Spain.
| | - Adelaide Almeida
- CESAM, Department of Biology, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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2
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Kaur S, Kaur H, Kaur B, Naveen Kumar BT, Tyagi A, Singh P, Tanuj, Dubey S, Munang'andu HM. Isolating pathogenic multidrug-resistant Aeromonas hydrophila from diseased fish and assessing the effectiveness of a novel lytic Aeromonas veronii bacteriophage (AVP3) for biocontrol. Microb Pathog 2024; 196:106914. [PMID: 39241817 DOI: 10.1016/j.micpath.2024.106914] [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: 06/05/2024] [Revised: 08/18/2024] [Accepted: 09/02/2024] [Indexed: 09/09/2024]
Abstract
The increasing trend of antimicrobial resistance (AMR) pathogens in aquaculture makes it is imperative to find control measures for AMR pathogens causing high economic losses in aquaculture. In the present study, a multidrug resistance (MDR) Aeromonas hydrophila bacterium was isolated from kidney samples of diseased carp originating from a fish farm in Awankot, Rupnagar, Punjab, India. Moribund-infected fish exhibited large irregular hemorrhages on the external body surfaces, exophthalmia and fin-rot-like lesions. Phenotypic characterization using Rimler-Shotts (RS) media showed characteristic yellow color colonies and beta hemolysis on sheep blood agar. Genotyping using species-specific primers for the rpoB and gyrB genes characterized the isolate as A. hydrophila. The Multiple Antibiotic Resistance (MAR) index analysis showed that the isolated A. hydrophila had an MAR score of 0.29 signifying its resistance to more than three antibiotics, which underscores the need of finding treatment methods for MDR A. hydrophila isolates causing disease in aquaculture. Bacteriophages are considered a better eco-friendly alternative to antibiotics because of their inherent properties of not causing drug residues and resistance. Of the 13 phages tested, the Aeromonas veronii phage designated as AVP3, initially isolated against Aeromonas veronii, showed lytic activity against the MDR A. hydrophila isolated from diseased carp in this study. In addition, it also showed the lytic activity against Aeromonas spp. And A. caviae indicating that it had lytic properties against a wide host range within the Aeromonas species. This finding points to the potential efficacy of bacteriophages in mitigating pathogenic infections in aquaculture.
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Affiliation(s)
- Simran Kaur
- College of Fisheries, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India
| | - Harpreet Kaur
- College of Fisheries, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India
| | - Basmeet Kaur
- College of Fisheries, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India
| | - B T Naveen Kumar
- College of Fisheries, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India.
| | - Anuj Tyagi
- College of Fisheries, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India.
| | - Prabjeet Singh
- College of Fisheries, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India
| | - Tanuj
- College of Fisheries, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India
| | - Saurabh Dubey
- Nord University Faculty of Biosciences and Aquaculture, Post Box 1490, Bodø, Norway
| | - Hetron M Munang'andu
- Nord University Faculty of Biosciences and Aquaculture, Post Box 1490, Bodø, Norway
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3
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Kar P, Ghosh S, Payra P, Chakrabarti S, Pradhan S, Mondal KC, Ghosh K. Characterization of a novel lytic bacteriophage VPMCC14 which efficiently controls Vibrio harveyi in Penaeus monodon culture. Int Microbiol 2024; 27:1083-1093. [PMID: 38044417 DOI: 10.1007/s10123-023-00456-9] [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: 08/15/2023] [Revised: 11/11/2023] [Accepted: 11/14/2023] [Indexed: 12/05/2023]
Abstract
Vibrio harveyi causes luminous vibriosis diseases in shrimp, which lead to shrimp mortalities. Considering the emergence of antibiotic-resistant bacteria, a Vibrio-infecting bacteriophage, VPMCC14, was characterized, and its lysis ability was evaluated on a laboratory scale. VPMCC14 was shown to infect V. harveyi S5A and V. harveyi ATCC 14126. VPMCC14 also exhibited a latent period of 30 min, with a burst size of 38 PFU/cell on its propagation strain. The bacteriophage was stable at a wide range of pHs (3-9), temperatures (0-45°C), and salinities (up to 40 ppt). VPMCC14 exhibited strict virulence properties as the bacteriophage entirely lysed V. harveyi S5A in liquid culture inhibition after 5 h and 4 h at very low MOIs such as MOI 0.1 and MOI 1, respectively. VPMCC14 could control V. harveyi infection in aquariums at MOI 1 and decrease the mortality of Penaeus monodon challenged by V. harveyi. VPMCC14 genome was 134,472 bp long with a 34.5 G+C% content, and 240 open reading frames. A unique characteristic of VPMCC14 was the presence of the HicB family antitoxin-coding open reading frame. Comparative genomic analyses suggested that VPMCC14 could be a representative of a new genus in the Caudoviricetes class. This novel bacteriophage, VPMCC14, could be applied as a biocontrol agent for controlling V. harveyi infection.
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Affiliation(s)
- Priyanka Kar
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal, 721129, India
- Biodiversity and Environmental Studies Research Center, Midnapore City College affiliated to Vidyasagar University, Midnapore, West Bengal, India
| | - Smita Ghosh
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal, 721129, India
- Biodiversity and Environmental Studies Research Center, Midnapore City College affiliated to Vidyasagar University, Midnapore, West Bengal, India
| | - Pijush Payra
- Department of Industrial Fish & Fisheries, Ramnagar College, Depal, Ramnagar, West Bengal, India
| | - Sudipta Chakrabarti
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal, 721129, India
| | - Shrabani Pradhan
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal, 721129, India
| | - Keshab Ch Mondal
- Department of Microbiology, Vidyasagar University, Midnapore, West Bengal, India
| | - Kuntal Ghosh
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal, 721129, India.
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4
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Tadeu AD, Duarte J, Trindade D, Costa P, Venâncio C, Lopes I, Oliveira V, Gomes NCM, Almeida A, Pereira C. Bacteriophages to control Vibrio alginolyticus in live feeds prior to their administration in larviculture. J Appl Microbiol 2024; 135:lxae115. [PMID: 38710582 DOI: 10.1093/jambio/lxae115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/16/2024] [Accepted: 05/04/2024] [Indexed: 05/08/2024]
Abstract
AIMS This study aimed to evaluate the efficiency of two phages [VB_VaC_TDDLMA (phage TDD) and VB_VaC_SRILMA (phage SRI)] alone and in a cocktail to control Vibrio alginolyticus in brine shrimp before their administration in larviculture. METHODS AND RESULTS Phages were isolated from seawater samples and characterized by host spectrum, growth parameters, adsorption rate, genomic analysis, and inactivation efficiency. Both phages belong to the Caudoviricetes class and lack known virulence or antibiotic-resistance genes. They exhibit specificity, infecting only their host, V. alginolyticus CECT 521. Preliminary experiments in a culture medium showed that phage TDD (reduction of 5.8 log CFU ml-1 after 10 h) outperformed phage SRI (reduction of 4.6 log CFU ml-1 after 6 h) and the cocktail TDD/SRI (reduction of 5.2 log CFU ml-1 after 8 h). In artificial marine water experiments with Artemia franciscana, both single phage suspensions and the phage cocktail, effectively inactivated V. alginolyticus in culture water (reduction of 4.3, 2.1, and 1.9 log CFU ml-1 for phages TDD, SRI, and the phage cocktail, respectively, after 12 h) and in A. franciscana (reduction of 51.6%, 87.3%, and 85.3% for phages TDD, SRI, and the phage cocktail, respectively, after 24 h). The two phages and the phage cocktail did not affect A. franciscana natural microbiota or other Vibrio species in the brine shrimp. CONCLUSIONS The results suggest that phages can safely and effectively control V. alginolyticus in A. franciscana prior to its administration in larviculture.
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Affiliation(s)
- Amanda Dias Tadeu
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - João Duarte
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - David Trindade
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Pedro Costa
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Cátia Venâncio
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Isabel Lopes
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Vanessa Oliveira
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Newton C M Gomes
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Adelaide Almeida
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Carla Pereira
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
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Faria PB, Erasmus SW, Bruhn FRP, van Ruth SM. An account of the occurrence of residues from veterinary drugs and contaminants in animal-derived products: a case study on Brazilian supply chains. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2024; 41:365-384. [PMID: 38346259 DOI: 10.1080/19440049.2024.2315140] [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: 10/30/2023] [Accepted: 02/01/2024] [Indexed: 03/27/2024]
Abstract
Brazil plays an important role in ensuring its position on the international market by assuring high food safety standards for its products, and all products should meet the requirements for residues from veterinary drugs and contaminants in animal products. Statutory monitoring provides insights into the compliance of the Brazilian industry regarding these legal requirements. The objective of this study was to provide insight into the safety of Brazilian animal products by reporting the occurrence of residues from veterinary drugs and contaminants according to an analysis of an 11-year report published by the Brazilian Ministry of Agriculture, Livestock and Food Supply (MAPA). Between 2010 and 2021, 166,647 samples from animal-derived products were analyzed in Brazil, and 624 of those samples were non-compliant (0.37%) exceeding maximum residue limits (>MRLs) or showed the presence of prohibited substances. The most common types of substances found in the non-compliant samples were heavy metals, parasiticides, and antimicrobials, accounting for 82% of all documents from the MAPA. Among Brazilian products, the challenge related to occurrence of substances varied across the food supply chain, with highest incidence rates observed in the fish chain, followed by eggs, milk, equids, sheep/goat, honey, bovine, swine, and broilers chains in decreasing order. Considering the type of substance, heavy metals were found to be more prevalent in fish products, mainly arsenic in wild fish. The prevalence of contaminants and heavy metals decreased, while that of veterinary drugs increased in Brazilian products from 2010 to 2021. From these results, it can be concluded that the number of accidental incidents including those associated with environmental contaminants decreased over the last decade, opposed to those involving human adversaries and deliberate illegal actions, such as the abuse of veterinary drugs, increased. Future monitoring plans need to take this paradigm shift into account.
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Affiliation(s)
- Peter B Faria
- Department of Veterinary Science, Federal University of Lavras, Lavras, Brazil
| | - Sara W Erasmus
- Food Quality and Design, Wageningen University, Wageningen, The Netherlands
| | - Fabio R P Bruhn
- Department of Preventive Veterinary Medicine, Federal University of Pelotas, Capão Do Leão, Rio Grande Do Sul, Brazil
| | - Saskia M van Ruth
- School of Agriculture and Food Science, University College Dublin, Dublin 4, Ireland
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Ghosh S, Kar P, Chakrabarti S, Pradhan S, Mondal KC, Ghosh K. Whole genome sequence analysis of Aeromonas-infecting bacteriophage AHPMCC7, a new species of genus Ahphunavirus and its application in Litopenaeus vannamei culture. Virology 2023; 588:109887. [PMID: 37774603 DOI: 10.1016/j.virol.2023.109887] [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: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 10/01/2023]
Abstract
Aeromonas hydrophila, a Gram-negative pathogenic bacterium, is responsible for huge economic losses in aquaculture. In this study, we evaluated the efficacy of bacteriophage AHPMCC7 which was isolated by using A. hydrophila MTCC 1739 as a host. This bacteriophage exhibited 10 min latent period and burst size was 275. In liquid culture, bacteriophage AHPMCC7 could completely lyse A. hydrophila MTCC 1739 after 2 h. AHPMCC7 genome was 42,277 bp long with 58.9% G + C content. The genome consisted of 48 CDSs and no tRNA. The comparative genomic analyses clearly implied that AHPMCC7 might represent a novel species of the genus Aphunavirus under Autographiviridae family. Bacteriophage AHPMCC7 could survive at broad pH (3-10), temperature (4-37 °C), and salinity (0-40 ppt). In aquarium trial, AHPMCC7 could control A. hydrophila MTCC 1739 without affecting the survivability of Litopenaeus vannamei. Clearly, the bacteriophage AHPMCC7 might be used in shrimp aquaculture as a biocontrol agent.
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Affiliation(s)
- Smita Ghosh
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal, India; Biodiversity and Environmental Studies Research Center, Midnapore City College affiliated to Vidyasagar University, Midnapore, West Bengal, India
| | - Priyanka Kar
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal, India; Biodiversity and Environmental Studies Research Center, Midnapore City College affiliated to Vidyasagar University, Midnapore, West Bengal, India
| | - Sudipta Chakrabarti
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal, India
| | - Shrabani Pradhan
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal, India
| | | | - Kuntal Ghosh
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal, India.
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7
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Cevallos-Urena A, Kim JY, Kim BS. Vibrio-infecting bacteriophages and their potential to control biofilm. Food Sci Biotechnol 2023; 32:1719-1727. [PMID: 37780594 PMCID: PMC10533469 DOI: 10.1007/s10068-023-01361-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 05/08/2023] [Accepted: 05/29/2023] [Indexed: 10/03/2023] Open
Abstract
The emergence and spread of antibiotic-resistant pathogenic bacteria have necessitated finding new control alternatives. Under these circumstances, lytic bacteriophages offer a viable and promising option. This review focuses on Vibrio-infecting bacteriophages and the characteristics that make them suitable for application in the food and aquaculture industries. Bacteria, particularly Vibrio spp., can produce biofilms under stress conditions. Therefore, this review summarizes several anti-biofilm mechanisms that phages have, such as stimulating the host bacteria to produce biofilm-degrading enzymes, utilizing tail depolymerases, and penetrating matured biofilms through water channels. Additionally, the advantages of bacteriophages over antibiotics, such as a lower probability of developing resistance and the ability to infect dormant cells, are discussed. Finally, this review presents future research prospects related to further utilization of phages in diverse fields.
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Affiliation(s)
- Ana Cevallos-Urena
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul, 03760 Republic of Korea
| | - Jeong Yeon Kim
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul, 03760 Republic of Korea
| | - Byoung Sik Kim
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul, 03760 Republic of Korea
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8
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Li X, Li X, Zhang H, Kan B, Fan F. VP3 Phage Combined with High Salt Promotes the Lysis of Biofilm-Associated Vibrio cholerae. Viruses 2023; 15:1639. [PMID: 37631982 PMCID: PMC10458087 DOI: 10.3390/v15081639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/22/2023] [Accepted: 07/24/2023] [Indexed: 08/27/2023] Open
Abstract
Cholera, caused by pathogenic Vibrio cholerae, poses a significant public health risk through water and food transmission. Biofilm-associated V. cholerae plays a crucial role in seasonal cholera outbreaks as both a reservoir in aquatic environments and a direct source of human infection. Although VP3, a lytic phage, shows promise in eliminating planktonic V. cholerae from the aquatic environment, its effectiveness against biofilm-associated V. cholerae is limited. To address this limitation, our proposed approach aims to enhance the efficacy of VP3 in eliminating biofilm-associated V. cholerae by augmenting the availability of phage receptors on the surface of Vibrio cholerae. TolC is a receptor of VP3 and a salt efflux pump present in many bacteria. In this study, we employed NaCl as an enhancer to stimulate TolC expression and observed a significant enhancement of TolC expression in both planktonic and biofilm cells of V. cholerae. This enhancement led to improved adsorption of VP3. Importantly, our findings provide strong evidence that high salt concentrations combined with VP3 significantly improve the elimination of biofilm-associated V. cholerae. This approach offers a potential strategy to eliminate biofilm-formation bacteria by enhancing phage-host interaction.
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Affiliation(s)
- Xu Li
- School of Light Industry, Beijing Technology and Business University, Beijing 100048, China
| | - Xiaorui Li
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Huayao Zhang
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Biao Kan
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Fenxia Fan
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
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Fiorillo A, Frezza D, Di Lallo G, Visconti S. A Phage Therapy Model for the Prevention of Pseudomonas syringae pv. actinidiae Infection of Kiwifruit Plants. PLANT DISEASE 2023; 107:267-271. [PMID: 35939740 DOI: 10.1094/pdis-02-22-0348-sc] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Great efforts have been made with chemicals and pesticides to contain the spread of Pseudomonas syringae pv. actinidiae (Psa) responsible for kiwifruit canker. Unfortunately, only partial results were obtained for this bacterial pandemic, and alternative remedies were proposed to avoid soil pollution and the onset of antibiotic resistance. Among these, phage therapy represents a possible tool with low environmental impact and high specificity. Several phages have been isolated and tested for the capacity to kill Psa in vitro, but experiments to verify their efficacy in vivo are still lacking. In the present study, we demonstrated that the phage φPSA2 (previously characterized) contains the spread of Psa inside plant tissue and reduces the symptoms of the disease. Our data are a strong indication for the efficiency of this phage and open the possibility of developing a phage therapy based on φPSA2 to counteract the bacterial canker of kiwifruit.
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Affiliation(s)
- Anna Fiorillo
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Domenico Frezza
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Gustavo Di Lallo
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
| | - Sabina Visconti
- Department of Biology, University of Rome Tor Vergata, 00133 Rome, Italy
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10
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Kar P, Das TK, Ghosh S, Pradhan S, Chakrabarti S, Mondal KC, Ghosh K. Characterization of a Vibrio-infecting bacteriophage, VPMCC5, and proposal of its incorporation as a new genus in the Zobellviridae family. Virus Res 2022; 321:198904. [PMID: 36044930 DOI: 10.1016/j.virusres.2022.198904] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 08/24/2022] [Accepted: 08/26/2022] [Indexed: 12/24/2022]
Abstract
Vibrio harveyi is a Gram-negative pathogenic bacterium responsible for luminous vibriosis in shrimp and causes mass mortality of shrimp that leads to economic losses. Considering the emergence of multi-drug resistant bacteria, there is always a need for an alternative to antibiotics. In this study, we have aimed to characterize the Vibrio-infecting bacteriophage VPMCC5 (isolated from an environmental sample by using V. harveyi S2A) and evaluate its efficacy in controlling the pathogen. The bacteriophage exhibited an isometric head and short non-contractile tail. The latent period of the bacteriophage was 10 min and the burst size was 20. The genome of the bacteriophage was 48938 bp long with 40.7 mol% G+C content. A total of 71 ORFs were identified and no tRNA and antibiotic-associated genes were detected. Comparative genomic analyses (CLANS, dot plot, progressiveMauve alignment, and phylogenetic tree) strongly suggest that the bacteriophage VPMCC5 might be a new genus in the family of Zobellviridae. A distinguishing feature of this bacteriophage among the other reported Vibrio-infecting bacteriophages is the presence of putative alginate lyase family protein-coding open reading frame. The bacteriophage was found to be surviving at pH 3-9 and in a wide range of temperatures (4-45 ᵒC). In liquid culture inhibition, the bacteriophage could completely lyse the host bacteria after 3 h. This bacteriophage might be used as a biocontrol agent in the extreme environment of shrimp culture.
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Affiliation(s)
- Priyanka Kar
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal 721129, India
| | - Tridip Kr Das
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal 721129, India
| | - Smita Ghosh
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal 721129, India
| | - Shrabani Pradhan
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal 721129, India
| | - Sudipta Chakrabarti
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal 721129, India
| | - Keshab Ch Mondal
- Department of Microbiology, Vidyasagar University, West Bengal, India
| | - Kuntal Ghosh
- Department of Biological Sciences, Midnapore City College, Midnapore, West Bengal 721129, India.
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11
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Bartolomeu M, Vieira C, Dias M, Conde T, Couto D, Lopes D, Neves B, Melo T, Rey F, Alves E, Silva J, Abreu H, Almeida A, Domingues MR. Bioprospecting antibiotic properties in photodynamic therapy of lipids from Codium tomemtosum and Chlorella vulgaris. Biochimie 2022; 203:32-39. [DOI: 10.1016/j.biochi.2022.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/14/2022] [Accepted: 09/19/2022] [Indexed: 11/25/2022]
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12
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Chanu KV, Thakuria D, Pant V, Bisht S, Tandel RS. Development of multiplex PCR assay for species-specific detection and identification of Saprolegnia parasitica. BIOTECHNOLOGY REPORTS 2022; 35:e00758. [PMID: 36034340 PMCID: PMC9398915 DOI: 10.1016/j.btre.2022.e00758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 07/29/2022] [Accepted: 08/08/2022] [Indexed: 11/07/2022]
Abstract
A multiplex PCR was developed targeting rDNA-ITS region and a hypothetical protein gene. The protocol is highly sensitive with low detection limit of genomic DNA. The protocol can identify saprolegnia parasitica in a single reaction.
Saprolegnia parasitica is the most important pathogen under the genus, Saprolegnia which causes devastating oomycete diseases in freshwater fish. At present, the most common molecular method for identification of Saprolegnia species is sequencing of ribosomal DNA internal transcribed spacer (rDNA-ITS) region. In this study, a highly sensitive multiplex PCR targeting rDNA-ITS region and a hypothetical protein gene was developed using two sets of primer pair. In this PCR, two amplicons of different size of 750 bp and 365 bp are produced only in case of S. parasitica while other Saprolegnia species had single amplicon. This protocol could also differentiate Saprolegnia species from other fungus based on the size of rDNA-ITS region. The protocol does not require sequencing and can identify S. parasitica in a single reaction. Therefore, the multiplex PCR developed in this study may prove to be an easier, faster and cheaper molecular method for identification of S. parasitica.
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13
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Gene sequencing analysis of tailed phages identified diverse (Kayfunavirus and Berlinvirus) coliphages in aquatic niche against AMR Escherichia coli. Arch Microbiol 2022; 204:429. [PMID: 35753005 DOI: 10.1007/s00203-022-03055-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 06/03/2022] [Accepted: 06/03/2022] [Indexed: 11/02/2022]
Abstract
Escherichia coli has been recognized as a pathogen of concern in the antimicrobial resistance (AMR) perspective. Globally initiatives were taken to control AMR. Bacteriophages are recognized as promising alternative to antibiotics. Harnessing broad-spectrum bacteriophages for augmenting phage repositories is being prioritized across continents for future health care needs. In this context, a study was conducted to isolate coliphages against a collection of AMR E. coli isolated from diverse aquatic niche. Thirty pooled water samples (5 each from rivers, aquaculture ponds, lake, sewage treatment plant, domestic waste and canals) were analysed, and fifty-four lytic coliphages were isolated against the wide range of E. coli host strains. Broad host-spectrum phages were isolated predominantly from sewage water samples. Enriched phages were quantified, and the concentrations ranged from 106 to 107 PFU/mL. Ten phages, viz. ФEC-S-18, ФEC-S-21, ФEC-S-22, ФEC-S-23, ФEC-S-24, ФEC-S-25, ФEC-S-28, ФEC-S-30, ФEC-S-39 and ФEC-S-49, exhibited lytic activity against more than ten AMR strains of E. coli. PCR analysis of the 54 phages using the major capsid protein (MCP) specific primers coupled with gene sequence analysis identified two phages related to Berlinvirus and 35 phages to Kayfunavirus of Autographiviridae. However, the remaining 17 phages did not show amplification using the MCP primers. The study has demonstrated that aquatic environment harboured phages with broad host spectrum that can potentially be used as agents for biological control of E. coli for infection control and food safety.
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Mantareva V, Kussovski V, Orozova P, Angelov I, Durmuş M, Najdenski H. Palladium Phthalocyanines Varying in Substituents Position for Photodynamic Inactivation of Flavobacterium hydatis as Sensitive and Resistant Species. Curr Issues Mol Biol 2022; 44:1950-1959. [PMID: 35678662 PMCID: PMC9164046 DOI: 10.3390/cimb44050133] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/26/2022] [Accepted: 04/27/2022] [Indexed: 12/02/2022] Open
Abstract
Antimicrobial photodynamic therapy (aPDT) has been considered as a promising methodology to fight the multidrug resistance of pathogenic bacteria. The procedure involves a photoactive compound (photosensitizer), the red or near infrared spectrum for its activation, and an oxygen environment. In general, reactive oxygen species are toxic to biomolecules which feature a mechanism of photodynamic action. The present study evaluates two clinical isolates of Gram-negative Flavobacteriumhydatis (F. hydatis): a multidrug resistant (R) and a sensitive (S) strain. Both occur in farmed fish, leading to the big production losses because of the inefficacy of antibiotics. Palladium phthalocyanines (PdPcs) with methylpyridiloxy groups linked peripherally (pPdPc) or non-peripherally (nPdPc) were studied with full photodynamic inactivation for 5.0 µM nPdPc toward both F. hydatis, R and S strains (6 log), but with a half of this value (3 log) for 5.0 µM pPdPc and only for F. hydatis, S. In addition to the newly synthesized PdPcs as a "positive control" was applied a well-known highly effective zinc phthalocyanine (ZnPcMe). ZnPcMe showed optimal photocytotoxicity for inactivation of both F. hydatis R and S. The present study is encouraging for a further development of aPDT with phthalocyanines as an alternative method to antibiotic medication to keep under control the harmful pathogens in aquacultures' farms.
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Affiliation(s)
- Vanya Mantareva
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria;
| | - Vesselin Kussovski
- The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (V.K.); (H.N.)
| | - Petya Orozova
- National Reference Laboratory for Fish, Mollusks and Crustacean Diseases, National Diagnostic Research Veterinary Institute, 1000 Sofia, Bulgaria;
| | - Ivan Angelov
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria;
| | - Mahmut Durmuş
- Department of Chemistry, Gebze Technical University, Gebze 41400, Turkey;
| | - Hristo Najdenski
- The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria; (V.K.); (H.N.)
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15
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Bacteriophage therapy in aquaculture: current status and future challenges. Folia Microbiol (Praha) 2022; 67:573-590. [PMID: 35305247 DOI: 10.1007/s12223-022-00965-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 03/12/2022] [Indexed: 02/07/2023]
Abstract
The escalation of antibiotic resistance has revitalized bacteriophage (phage) therapy. Recently, phage therapy has been gradually applied in medicine, agriculture, food, and environmental fields due to its distinctive features of high efficiency, specificity, and environmental friendliness compared to antibiotics. Likewise, phage therapy also holds great promise in controlling pathogenic bacteria in aquaculture. The application of phage therapy instead of antibiotics to eliminate pathogenic bacteria such as Vibrio, Pseudomonas, Aeromonas, and Flavobacterium and to reduce fish mortality in aquaculture has been frequently reported. In this context, the present review summarizes and analyzes the current status of phage therapy in aquaculture, focusing on the key parameters of phage application, such as phage isolation, selection, dosage, and administration modes, and introducing the strategies and methods to boost efficacy and restrain the emergence of resistance. In addition, we discussed the human safety, environmental friendliness, and techno-economic practicability of phage therapy in aquaculture. Finally, this review outlines the current challenges of phage therapy application in aquaculture from the perspectives of phage resistance, phage-mediated resistance gene transfer, and effects on the host immune system.
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16
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Phenotypic and Genetic Characterization of Aeromonas hydrophila Phage AhMtk13a and Evaluation of Its Therapeutic Potential on Simulated Aeromonas Infection in Danio rerio. Viruses 2022; 14:v14020412. [PMID: 35216005 PMCID: PMC8876716 DOI: 10.3390/v14020412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/31/2022] [Accepted: 02/10/2022] [Indexed: 01/27/2023] Open
Abstract
Phage therapy can be an effective alternative to standard antimicrobial chemotherapy for control of Aeromonas hydrophila infections in aquaculture. Aeromonas hydrophila-specific phages AhMtk13a and AhMtk13b were studied for basic biological properties and genome characteristics. Phage AhMtk13a (Myovirus, 163,879 bp genome, 41.21% CG content) was selected based on broad lytic spectrum and physiologic parameters indicating its lytic nature. The therapeutic potential of phage AhMtk13a was evaluated in experimental studies in zebrafish challenged with A. hydrophila GW3-10 via intraperitoneal injection and passive immersion in aquaria water. In experimental series 1 with single introduction of AhMtk13a phage to aquaria water at phage–bacteria ratio 10:1, cumulative mortality 44% and 62% was registered in fish exposed to phage immediately and in 4 h after bacterial challenge, correspondingly, compared to 78% mortality in the group with no added phage. In experimental series 2 with triple application of AhMtk13a phage at ratio 100:1, the mortality comprised 15% in phage-treated group compared to the 55% in the control group. Aeromonas hydrophila GW3-10 was not detectable in aquaria water from day 9 but still present in fish at low concentration. AhMtk13a phage was maintained in fish and water throughout the experiment at the higher concentration in infected fish.
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Bacteriophages in the Control of Aeromonas sp. in Aquaculture Systems: An Integrative View. Antibiotics (Basel) 2022; 11:antibiotics11020163. [PMID: 35203766 PMCID: PMC8868336 DOI: 10.3390/antibiotics11020163] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/23/2022] [Accepted: 01/24/2022] [Indexed: 11/17/2022] Open
Abstract
Aeromonas species often cause disease in farmed fish and are responsible for causing significant economic losses worldwide. Although vaccination is the ideal method to prevent infectious diseases, there are still very few vaccines commercially available in the aquaculture field. Currently, aquaculture production relies heavily on antibiotics, contributing to the global issue of the emergence of antimicrobial-resistant bacteria and resistance genes. Therefore, it is essential to develop effective alternatives to antibiotics to reduce their use in aquaculture systems. Bacteriophage (or phage) therapy is a promising approach to control pathogenic bacteria in farmed fish that requires a heavy understanding of certain factors such as the selection of phages, the multiplicity of infection that produces the best bacterial inactivation, bacterial resistance, safety, the host’s immune response, administration route, phage stability and influence. This review focuses on the need to advance phage therapy research in aquaculture, its efficiency as an antimicrobial strategy and the critical aspects to successfully apply this therapy to control Aeromonas infection in fish.
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18
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Harada LK, Silva EC, Rossi FP, Cieza B, Oliveira TJ, Pereira C, Tomazetto G, Silva BB, Squina FM, Vila MM, Setubal JC, Ha T, da Silva AM, Balcão VM. Characterization and in vitro testing of newly isolated lytic bacteriophages for the biocontrol of Pseudomonas aeruginosa. Future Microbiol 2022; 17:111-141. [PMID: 34989245 DOI: 10.2217/fmb-2021-0027] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Aim: Two lytic phages were isolated using P. aeruginosa DSM19880 as host and fully characterized. Materials & methods: Phages were characterized physicochemically, biologically and genomically. Results & conclusion: Host range analysis revealed that the phages also infect some multidrug-resistant (MDR) P. aeruginosa clinical isolates. Increasing MOI from 1 to 1000 significantly increased phage efficiency and retarded bacteria regrowth, but phage ph0034 (reduction of 7.5 log CFU/ml) was more effective than phage ph0031 (reduction of 5.1 log CFU/ml) after 24 h. Both phages belong to Myoviridae family. Genome sequencing of phages ph0031 and ph0034 showed that they do not carry toxin, virulence, antibiotic resistance and integrase genes. The results obtained are highly relevant in the actual context of bacterial resistance to antibiotics.
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Affiliation(s)
- Liliam K Harada
- PhageLab - Laboratory of Biofilms & Bacteriophages, University of Sorocaba, Sorocaba/SP, Brazil
| | - Erica C Silva
- PhageLab - Laboratory of Biofilms & Bacteriophages, University of Sorocaba, Sorocaba/SP, Brazil
| | - Fernando Pn Rossi
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Basilio Cieza
- Department of Biophysics & Biophysical Chemistry, Johns Hopkins University, Baltimore, MD, USA
| | - Thais J Oliveira
- PhageLab - Laboratory of Biofilms & Bacteriophages, University of Sorocaba, Sorocaba/SP, Brazil
| | - Carla Pereira
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
| | - Geizecler Tomazetto
- Department of Engineering, Biological & Chemical Engineering Section (BCE), Aarhus University, Aarhus, Denmark
| | - Bianca B Silva
- PhageLab - Laboratory of Biofilms & Bacteriophages, University of Sorocaba, Sorocaba/SP, Brazil
| | - Fabio M Squina
- PhageLab - Laboratory of Biofilms & Bacteriophages, University of Sorocaba, Sorocaba/SP, Brazil
| | - Marta Mdc Vila
- PhageLab - Laboratory of Biofilms & Bacteriophages, University of Sorocaba, Sorocaba/SP, Brazil
| | - João C Setubal
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Taekjip Ha
- Department of Biophysics & Biophysical Chemistry, Johns Hopkins University, Baltimore, MD, USA
| | - Aline M da Silva
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Victor M Balcão
- PhageLab - Laboratory of Biofilms & Bacteriophages, University of Sorocaba, Sorocaba/SP, Brazil.,Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
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19
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Advances in photodynamic antimicrobial chemotherapy. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C: PHOTOCHEMISTRY REVIEWS 2021. [DOI: 10.1016/j.jphotochemrev.2021.100452] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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20
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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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21
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Herraiz-Carboné M, Cotillas S, Lacasa E, Sainz de Baranda C, Riquelme E, Cañizares P, Rodrigo MA, Sáez C. A review on disinfection technologies for controlling the antibiotic resistance spread. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 797:149150. [PMID: 34303979 DOI: 10.1016/j.scitotenv.2021.149150] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/07/2021] [Accepted: 07/15/2021] [Indexed: 06/13/2023]
Abstract
The occurrence of antibiotic-resistant bacteria (ARB) in water bodies poses a sanitary and environmental risk. These ARB and other mobile genetic elements can be easily spread from hospital facilities, the point in which, for sure, they are more concentrated. For this reason, novel clean and efficient technologies are being developed for allowing to remove these ARB and other mobile genetic elements before their uncontrolled spread. In this paper, a review on the recent knowledge about the state of the art of the main disinfection technologies to control the antibiotic resistance spread from natural water, wastewater, and hospital wastewater (including urine matrices) is reported. These technologies involve not only conventional processes, but also the recent advances on advanced oxidation processes (AOPs), including electrochemical advanced oxidation processes (EAOPs). This review summarizes the state of the art on the applicability of these technologies and also focuses on the description of the disinfection mechanisms by each technology, highlighting the promising impact of EAOPs on the remediation of this important environmental and health problem.
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Affiliation(s)
- Miguel Herraiz-Carboné
- Department of Chemical Engineering, Higher Technical School of Industrial Engineering, University of Castilla-La Mancha, Edificio Infante Don Juan Manuel, Campus Universitario s/n, 02071 Albacete, Spain
| | - Salvador Cotillas
- Department of Chemical Engineering, Higher Technical School of Industrial Engineering, University of Castilla-La Mancha, Edificio Infante Don Juan Manuel, Campus Universitario s/n, 02071 Albacete, Spain.
| | - Engracia Lacasa
- Department of Chemical Engineering, Higher Technical School of Industrial Engineering, University of Castilla-La Mancha, Edificio Infante Don Juan Manuel, Campus Universitario s/n, 02071 Albacete, Spain.
| | - Caridad Sainz de Baranda
- Clinical Parasitology and Microbiology Area, University Hospital Complex of Albacete, C/Hermanos Falcó 37, 02006 Albacete, Spain
| | - Eva Riquelme
- Clinical Parasitology and Microbiology Area, University Hospital Complex of Albacete, C/Hermanos Falcó 37, 02006 Albacete, Spain
| | - Pablo Cañizares
- Department of Chemical Engineering, Faculty of Chemical Sciences and Technologies, University of Castilla-La Mancha, Edificio Enrique Costa Novella, Campus Universitario s/n, 13005 Ciudad Real, Spain
| | - Manuel A Rodrigo
- Department of Chemical Engineering, Faculty of Chemical Sciences and Technologies, University of Castilla-La Mancha, Edificio Enrique Costa Novella, Campus Universitario s/n, 13005 Ciudad Real, Spain
| | - Cristina Sáez
- Department of Chemical Engineering, Faculty of Chemical Sciences and Technologies, University of Castilla-La Mancha, Edificio Enrique Costa Novella, Campus Universitario s/n, 13005 Ciudad Real, Spain
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22
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Nami Y, Imeni N, Panahi B. Application of machine learning in bacteriophage research. BMC Microbiol 2021; 21:193. [PMID: 34174831 PMCID: PMC8235560 DOI: 10.1186/s12866-021-02256-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 06/08/2021] [Indexed: 12/20/2022] Open
Abstract
Phages are one of the key components in the structure, dynamics, and interactions of microbial communities in different bins. It has a clear impact on human health and the food industry. Bacteriophage characterization using in vitro approaches are time/cost consuming and laborious tasks. On the other hand, with the advent of new high-throughput sequencing technology, the development of a powerful computational framework to characterize the newly identified bacteriophages is inevitable for future research. Machine learning includes powerful techniques that enable the analysis of complex datasets for knowledge discovery and pattern recognition. In this study, we have conducted a comprehensive review of machine learning methods application using different types of features were applied in various aspects of bacteriophage research including, automated curation, identification, classification, host species recognition, virion protein identification, and life cycle prediction. Moreover, potential limitations and advantages of the developed frameworks were discussed.
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Affiliation(s)
- Yousef Nami
- Department of Food Biotechnology, Branch for Northwest & West Region, Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Tabriz, Iran
| | - Nazila Imeni
- Young Researchers and Elite Clube, Marand Branch, Islamic Azad University, Marand, Iran
| | - Bahman Panahi
- Department of Genomics, Branch for Northwest & West Region, Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Tabriz, Iran.
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Duarte J, Pereira C, Costa P, Almeida A. Bacteriophages with Potential to Inactivate Aeromonas hydrophila in Cockles: In Vitro and In Vivo Preliminary Studies. Antibiotics (Basel) 2021; 10:antibiotics10060710. [PMID: 34204770 PMCID: PMC8231581 DOI: 10.3390/antibiotics10060710] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/05/2021] [Accepted: 06/09/2021] [Indexed: 01/13/2023] Open
Abstract
The recurrent emergence of infection outbreaks associated with shellfish consumption is of extreme importance for public health. The present study investigated the potential application of phages AH-1, AH-4, and AH-5 to inactivate Aeromonas hydrophila, a causative agent of infections in humans associated with bivalve shellfish consumption. The inactivation of A. hydrophila was assessed in vitro, using a liquid culture medium, and in vivo, using artificially contaminated cockles with A. hydrophila ATCC 7966. In the in vitro experiments, all phages were effective against A. hydrophila, but phage AH-1 (with a maximum reduction of 7.7 log colonies forming units CFU/mL) was more effective than phages AH-4 and AH-5 (with reductions of 4.9 and 4.5 log CFU/mL, respectively). The cocktails AH-1/AH-4, AH-1/AH-5, AH-4/AH-5, and AH-1/AH-4/AH-5 were slightly more effective than the single phage suspensions. The phages presented a low emergence rate of phage-resistant mutants. When artificially contaminated cockles were treated in static seawater with phage AH-1, around 44% of the added A. hydrophila (1.0 log CFU/g) was inactivated. The results of this study suggest that phage therapy can be an effective alternative to control human pathogenic bacteria during depuration.
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Filtering Activity and Nutrient Release by the Keratose Sponge Sarcotragus spinosulus Schmidt, 1862 (Porifera, Demospongiae) at the Laboratory Scale. JOURNAL OF MARINE SCIENCE AND ENGINEERING 2021. [DOI: 10.3390/jmse9020178] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Sponges are an important constituent of filter-feeder benthic communities, characterized by high ecological plasticity and abundance. Free bacteria constitute an important quota of their diet, making them excellent candidates in aquaculture microbial bioremediation, where bacteria can be a serious problem. Although there are studies on this topic, certain promising species are still under investigation. Here we report applied microbiological research on the filtering activity of Sarcotragus spinosulus on two different concentrations of the pathogenic bacterium Vibrio parahaemolyticus in a laboratory experiment. To evaluate the effects of the filtration on the surrounding nutrient load, the release of ammonium, nitrate, and phosphate was also measured. The results obtained showed the efficient filtration capability of S. spinosulus as able to reduce the Vibrio load with a maximum retention efficiency of 99.72% and 99.35% at higher and lower Vibrio concentrations, respectively, and remarkable values of clearance rates (average maximum value 45.0 ± 4.1 mL h−1 g DW−1) at the highest Vibrio concentration tested. The nutrient release measured showed low values for each considered nutrient category at less than 1 mg L−1 for ammonium and phosphate and less than 5 mg L−1 for nitrate. The filtering activity and nutrient release by S. spinosulus suggest that this species represents a promising candidate in microbial bioremediation, showing an efficient capability in removing V. parahaemolyticus from seawater with a contribution to the nutrient load.
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25
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Pereira C, Costa P, Pinheiro L, Balcão VM, Almeida A. Kiwifruit bacterial canker: an integrative view focused on biocontrol strategies. PLANTA 2021; 253:49. [PMID: 33502587 DOI: 10.1007/s00425-020-03549-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 12/22/2020] [Indexed: 06/12/2023]
Abstract
Phage-based biocontrol strategies can be an effective alternative to control Psa-induced bacterial canker of kiwifruit. The global production of kiwifruit has been seriously affected by Pseudomonas syringae pv. actinidiae (Psa) over the last decade. Psa damages both Actinidia chinensis var. deliciosa (green kiwifruit) but specially the susceptible Actinidia chinensis var. chinensis (gold kiwifruit), resulting in severe economic losses. Treatments for Psa infections currently available are scarce, involving frequent spraying of the kiwifruit plant orchards with copper products. However, copper products should be avoided since they are highly toxic and lead to the development of bacterial resistance to this metal. Antibiotics are also used in some countries, but bacterial resistance to antibiotics is a serious worldwide problem. Therefore, it is essential to develop new approaches for sustainable agriculture production, avoiding the emergence of resistant Psa bacterial strains. Attempts to develop and establish highly accurate approaches to combat and prevent the occurrence of bacterial canker in kiwifruit plants are currently under study, using specific viruses of bacteria (bacteriophages, or phages) to eliminate the Psa. This review discusses the characteristics of Psa-induced kiwifruit canker, Psa transmission pathways, prevention and control, phage-based biocontrol strategies as a new approach to control Psa in kiwifruit orchards and its advantages over other therapies, together with potential ways to bypass phage inactivation by abiotic factors.
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Affiliation(s)
- Carla Pereira
- Department of Biology and CESAM, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Pedro Costa
- Department of Biology and CESAM, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Larindja Pinheiro
- Department of Biology and CESAM, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Victor M Balcão
- Department of Biology and CESAM, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal.
- PhageLab - Laboratory of Biofilms and Bacteriophages, University of Sorocaba, Sorocaba, SP, CEP 18023-000, Brazil.
| | - Adelaide Almeida
- Department of Biology and CESAM, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal.
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26
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Ji S, Gong Q, Zhang W, Zheng J, Peng B, Yang M. Recombinant Vibrio parahaemolyticus ghosts protect zebrafish against infection by Vibrio species. FISH & SHELLFISH IMMUNOLOGY 2020; 107:64-72. [PMID: 33038509 DOI: 10.1016/j.fsi.2020.10.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 08/07/2020] [Accepted: 10/06/2020] [Indexed: 06/11/2023]
Abstract
Aquatic animals are frequently threated by bacterial pathogens. The most economic and efficient protection against bacterial infection are through vaccine immunization. The various serotypes of the pathogens, such as Vibrios, hurdle the development of the vaccines, especially polyvalent vaccines. Here, we demonstrate that recombinant bacterial ghost is a good candidate for multivalent vaccine. By expressing PhiX174 gene E alone or co-expressing the gene E with two genes encoding outer membrane proteins (VP1667 and VP2369) in V. parahaemolyticus, we generated the recombinant V. parahaemolyticus ghosts VPG and rVPGs respectively. Fish immunized with either VPG or rVPG showed increased survival against the infection by either V. parahaemolyticus or V. alginolyticus, with a better protective effect by immunization with rVPG. Our furthermore studies show that rVPG stimulates stronger innate immune responses by increasing the expression of tnfα, il1β, il6, il8 and il10 as well as that of c3b, lyz, and tlr5, the key players linking the innate and adaptive immune responses upon microbial stimulation. In summary, VPG and rVPG can protect zebrafish against the infection from at least two Vibrio species, suggesting its potential value for further aquaculture vaccines development.
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Affiliation(s)
- Shengle Ji
- College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A & F University, Hangzhou, 311300, China
| | - Qiyang Gong
- State Key Laboratory of Biocontrol, Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China
| | - Wenwen Zhang
- Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Jun Zheng
- Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Bo Peng
- State Key Laboratory of Biocontrol, Guangdong Key Laboratory of Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China.
| | - Menghua Yang
- College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A & F University, Hangzhou, 311300, China.
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Shahin K, Zhang L, Bao H, Hedayatkhah A, Soleimani-Delfan A, Komijani M, He T, Barazandeh M, Mansoorianfar M, Bouzari M, Wang R. An in-vitro study on a novel six-phage cocktail against multi-drug resistant-ESBL Shigella in aquatic environment. Lett Appl Microbiol 2020; 72:231-237. [PMID: 33070360 DOI: 10.1111/lam.13418] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/06/2020] [Accepted: 10/13/2020] [Indexed: 12/13/2022]
Abstract
Shigella spp. are water-borne pathogens responsible for mild to severe cases bacilli dysentery all around the world known as Shigellosis. The progressively increasing of antibiotic resistance among Shigella calls for developing and establishing novel alternative therapeutic methods. The present study aimed to evaluate a novel phage cocktail of lytic phages against extended spectrum beta lactamase isolates of Shigella species in an aquatic environment. The phage cocktail containing six novel Shigella specific phages showed a broad host spectrum. The cocktail was very stable in aquatic environment. The cocktail resulted in about 99% decrease in the bacterial counts in the contaminated water by several species and strains of Shigella such as Shigella sonnei, Shigella flexneri and Shigella dysenteriae. Achieving such a high efficiency in this in-vitro study demonstrates a high potential for in-vivo and in-situ application of this phage cocktail as a bio-controlling agent against Shigella spp. contamination and infections.
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Affiliation(s)
- K Shahin
- Institute of Food Safety and Nutrition, Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - L Zhang
- Institute of Food Safety and Nutrition, Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - H Bao
- Institute of Food Safety and Nutrition, Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - A Hedayatkhah
- School of Pharmacy and Biomedical Sciences, Curtin University, Perth, WA, Australia
| | - A Soleimani-Delfan
- Institute of Food Safety and Nutrition, Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - M Komijani
- Department of Biology, Faculty of Science, Arak University, Arak, Iran
| | - T He
- Institute of Food Safety and Nutrition, Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - M Barazandeh
- Institute of Food Safety and Nutrition, Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - M Mansoorianfar
- Chinese Academy of Science, Suzhou Institute of Nano-Tech and Nano-Bionics, Suzhou, China
| | - M Bouzari
- Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - R Wang
- Institute of Food Safety and Nutrition, Key Lab of Food Quality and Safety of Jiangsu Province-State Key Laboratory Breeding Base, Jiangsu Academy of Agricultural Sciences, Nanjing, China
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Pereira C, Costa P, Duarte J, Balcão VM, Almeida A. Phage therapy as a potential approach in the biocontrol of pathogenic bacteria associated with shellfish consumption. Int J Food Microbiol 2020; 338:108995. [PMID: 33316593 DOI: 10.1016/j.ijfoodmicro.2020.108995] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 11/18/2020] [Accepted: 11/20/2020] [Indexed: 12/17/2022]
Abstract
Infectious human diseases acquired from bivalve shellfish consumption constitute a public health threat. These health threats are largely related to the filter-feeding phenomenon, by which bivalve organisms retain and concentrate pathogenic bacteria from their surrounding waters. Even after depuration, bivalve shellfish are still involved in outbreaks caused by pathogenic bacteria, which increases the demand for new and efficient strategies to control transmission of shellfish infection. Bacteriophage (or phage) therapy represents a promising, tailor-made approach to control human pathogens in bivalves, but its success depends on a deep understanding of several factors that include the bacterial communities present in the harvesting waters, the appropriate selection of phage particles, the multiplicity of infection that produces the best bacterial inactivation, chemical and physical factors, the emergence of phage-resistant bacterial mutants and the life cycle of bivalves. This review discusses the need to advance phage therapy research for bivalve decontamination, highlighting their efficiency as an antimicrobial strategy and identifying critical aspects to successfully apply this therapy to control human pathogens associated with bivalve consumption.
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Affiliation(s)
- Carla Pereira
- Department of Biology & CESAM, Campus Universitário de Santiago, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
| | - Pedro Costa
- Department of Biology & CESAM, Campus Universitário de Santiago, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - João Duarte
- Department of Biology & CESAM, Campus Universitário de Santiago, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Victor M Balcão
- Department of Biology & CESAM, Campus Universitário de Santiago, Universidade de Aveiro, 3810-193 Aveiro, Portugal; PhageLab-Laboratory of Biofilms and Bacteriophages, University of Sorocaba, 18023-000 Sorocaba, São Paulo, Brazil
| | - Adelaide Almeida
- Department of Biology & CESAM, Campus Universitário de Santiago, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
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Echeverría-Vega A, Morales-Vicencio P, Saez-Saavedra C, Alvarez MA, Gordillo F, Del-Valle R, Solís ME, Araya R. Characterization of the Bacteriophage vB_VorS-PVo5 Infection on Vibrio ordalii: A Model for Phage-Bacteria Adsorption in Aquatic Environments. Front Microbiol 2020; 11:550979. [PMID: 33193133 PMCID: PMC7661435 DOI: 10.3389/fmicb.2020.550979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 09/11/2020] [Indexed: 01/24/2023] Open
Abstract
A mathematical first-order difference equation was designed to predict the dynamics of the phage-bacterium adsorption process in aquatic environments, under laboratory conditions. Our model requires knowledge of bacteria and bacteriophage concentrations and the measurements of bacterial size and velocity to predict both the number of bacteriophages adsorbed onto their bacterial host and the number of infected bacteria in a given specific time. It does not require data from previously performed adhesion experiments. The predictions generated by our model were validated in laboratory. Our model was initially conceived as an estimator for the effectiveness of the inoculation of phages as antibacterial therapy for aquaculture, is also suitable for a wide range of potential applications.
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Affiliation(s)
- Alex Echeverría-Vega
- Centro de Investigación en Estudios Avanzados del Maule (CIEAM), Vicerrectoría de Investigación y Postgrado, Universidad Católica del Maule, Talca, Chile
| | - Pablo Morales-Vicencio
- Laboratorio de Microbiología Costera, Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Antofagasta, Chile
| | - Camila Saez-Saavedra
- Laboratorio de Microbiología Costera, Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Antofagasta, Chile
| | - María Alejandra Alvarez
- Departamento de Matemáticas, Facultad de Ciencias Básicas, Universidad de Antofagasta, Antofagasta, Chile
| | - Felipe Gordillo
- Centro de Biotecnología de los Recursos Naturales, Facultad de Agronomía y Ciencias Forestales, Universidad Católica del Maule, Talca, Chile
| | - Rodrigo Del-Valle
- Departamento de Matemática, Física y Estadística, Facultad de Ciencias Básicas, Universidad Católica del Maule, Talca, Chile
| | - Ma. Eugenia Solís
- Departamento de Matemática, Física y Estadística, Facultad de Ciencias Básicas, Universidad Católica del Maule, Talca, Chile
| | - Rubén Araya
- Instituto de Ciencias Naturales Alexander von Humboldt, Facultad de Ciencias del Mar y Recursos Biológicos, Universidad de Antofagasta, Antofagasta, Chile
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Park SY, Han JE, Kwon H, Park SC, Kim JH. Recent Insights into Aeromonas salmonicida and Its Bacteriophages in Aquaculture: A Comprehensive Review. J Microbiol Biotechnol 2020; 30:1443-1457. [PMID: 32807762 PMCID: PMC9728264 DOI: 10.4014/jmb.2005.05040] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 08/05/2020] [Accepted: 08/11/2020] [Indexed: 12/15/2022]
Abstract
The emergence and spread of antimicrobial resistance in pathogenic bacteria of fish and shellfish have caused serious concerns in the aquaculture industry, owing to the potential health risks to humans and animals. Among these bacteria, Aeromonas salmonicida, which is one of the most important primary pathogens in salmonids, is responsible for significant economic losses in the global aquaculture industry, especially in salmonid farming because of its severe infectivity and acquisition of antimicrobial resistance. Therefore, interest in the use of alternative approaches to prevent and control A. salmonicida infections has increased in recent years, and several applications of bacteriophages (phages) have provided promising results. For several decades, A. salmonicida and phages infecting this fish pathogen have been thoroughly investigated in various research areas including aquaculture. The general overview of phage usage to control bacterial diseases in aquaculture, including the general advantages of this strategy, has been clearly described in previous reviews. Therefore, this review specifically focuses on providing insights into the phages infecting A. salmonicida, from basic research to biotechnological application in aquaculture, as well as recent advances in the study of A. salmonicida.
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Affiliation(s)
- Seon Young Park
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea,Division of Animal and Dairy Sciences, College of Agriculture and Life Science, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Jee Eun Han
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Hyemin Kwon
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Se Chang Park
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Republic of Korea,S.C.Park Phone: +82-2-880-1282 Fax: +82-2-880-1213 E-mail:
| | - Ji Hyung Kim
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea,Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34141, Republic of Korea,Corresponding authors J.H.Kim Phone: +82-42-879-8272 Fax: +82-42-879-8498 E-mail:
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Sieiro C, Areal-Hermida L, Pichardo-Gallardo Á, Almuiña-González R, de Miguel T, Sánchez S, Sánchez-Pérez Á, Villa TG. A Hundred Years of Bacteriophages: Can Phages Replace Antibiotics in Agriculture and Aquaculture? Antibiotics (Basel) 2020; 9:E493. [PMID: 32784768 PMCID: PMC7460141 DOI: 10.3390/antibiotics9080493] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 08/04/2020] [Accepted: 08/04/2020] [Indexed: 12/12/2022] Open
Abstract
Agriculture, together with aquaculture, supplies most of the foodstuffs required by the world human population to survive. Hence, bacterial diseases affecting either agricultural crops, fish, or shellfish not only cause large economic losses to producers but can even create food shortages, resulting in malnutrition, or even famine, in vulnerable populations. Years of antibiotic use in the prevention and the treatment of these infections have greatly contributed to the emergence and the proliferation of multidrug-resistant bacteria. This review addresses the urgent need for alternative strategies for the use of antibiotics, focusing on the use of bacteriophages (phages) as biocontrol agents. Phages are viruses that specifically infect bacteria; they are highly host-specific and represent an environmentally-friendly alternative to antibiotics to control and kill pathogenic bacteria. The information evaluated here highlights the effectiveness of phages in the control of numerous major pathogens that affect both agriculture and aquaculture, with special emphasis on scientific and technological aspects still requiring further development to establish phagotherapy as a real universal alternative to antibiotic treatment.
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Affiliation(s)
- Carmen Sieiro
- Department of Functional Biology and Health Sciences, Microbiology Area, University of Vigo, Lagoas-Marcosende, 36310 Vigo, Spain; (L.A.-H.); (Á.P.-G.); (R.A.-G.)
| | - Lara Areal-Hermida
- Department of Functional Biology and Health Sciences, Microbiology Area, University of Vigo, Lagoas-Marcosende, 36310 Vigo, Spain; (L.A.-H.); (Á.P.-G.); (R.A.-G.)
| | - Ángeles Pichardo-Gallardo
- Department of Functional Biology and Health Sciences, Microbiology Area, University of Vigo, Lagoas-Marcosende, 36310 Vigo, Spain; (L.A.-H.); (Á.P.-G.); (R.A.-G.)
| | - Raquel Almuiña-González
- Department of Functional Biology and Health Sciences, Microbiology Area, University of Vigo, Lagoas-Marcosende, 36310 Vigo, Spain; (L.A.-H.); (Á.P.-G.); (R.A.-G.)
| | - Trinidad de Miguel
- Department of Microbiology and Parasitology, University of Santiago de Compostela, 5706 Santiago de Compostela, Spain; (T.d.M.); (S.S.)
| | - Sandra Sánchez
- Department of Microbiology and Parasitology, University of Santiago de Compostela, 5706 Santiago de Compostela, Spain; (T.d.M.); (S.S.)
| | - Ángeles Sánchez-Pérez
- Sydney School of Veterinary Science, Faculty of Science, University of Sydney, Sydnay NSN 2006, Australia;
| | - Tomás G. Villa
- Department of Microbiology and Parasitology, University of Santiago de Compostela, 5706 Santiago de Compostela, Spain; (T.d.M.); (S.S.)
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Antimicrobial Lipids from Plants and Marine Organisms: An Overview of the Current State-of-the-Art and Future Prospects. Antibiotics (Basel) 2020; 9:antibiotics9080441. [PMID: 32722192 PMCID: PMC7459900 DOI: 10.3390/antibiotics9080441] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/17/2020] [Accepted: 07/22/2020] [Indexed: 02/07/2023] Open
Abstract
In the actual post-antibiotic era, novel ways of rethinking antimicrobial research approaches are more urgent than ever. Natural compounds with antimicrobial activity such as fatty acids and monoacylglycerols have been investigated for decades. Additionally, the interest in other lipid classes as antimicrobial agents is rising. This review provides an overview on the research about plant and marine lipids with potential antimicrobial activity, the methods for obtaining and analyzing these compounds, with emphasis on lipidomics, and future perspectives for bioprospection and applications for antimicrobial lipids. Lipid extracts or lipids isolated from higher plants, algae or marine invertebrates are promising molecules to inactivate a wide spectrum of microorganisms. These lipids include a variety of chemical structures. Present and future challenges in the research of antimicrobial lipids from natural origin are related to the investment and optimization of the analytical workflow based on lipidomics tools, complementary to the bioassay-guided fractionation, to identify the active compound(s). Also, further work is needed regarding the study of their mechanism of action, the structure-activity relationship, the synergistic effect with conventional antibiotics, and the eventual development of resistance to lipids, which, as far as is known, is unlikely.
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Veyrand-Quirós B, Gómez-Gil B, Lomeli-Ortega CO, Escobedo-Fregoso C, Millard AD, Tovar-Ramírez D, Balcázar JL, Quiroz-Guzmán E. Use of bacteriophage vB_Pd_PDCC-1 as biological control agent of Photobacterium damselae subsp. damselae during hatching of longfin yellowtail (Seriola rivoliana) eggs. J Appl Microbiol 2020; 129:1497-1510. [PMID: 32538525 DOI: 10.1111/jam.14744] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 05/15/2020] [Accepted: 06/05/2020] [Indexed: 01/21/2023]
Abstract
AIMS This study describes the effect of phage therapy on hatching of longfin yellowtail (Seriola rivoliana) eggs challenged with Photobacterium damselae subsp. damselae. METHODS AND RESULTS A lytic phage (vB_Pd_PDCC-1) against P. damselae subsp. damselae was isolated and characterized. The use of phage vB_Pd_PDCC-1 increased the hatching rate of eggs, and reduced presumptive Vibrio species to non-detectable numbers, even in non-disinfected eggs. High-throughput 16S rRNA gene sequencing analysis revealed that phage vB_Pd_PDCC-1 caused significant changes in the composition and structure of the associated microbiota, allowing that members (e.g. those belonging to the family Vibrionaceae) of the class Gammaproteobacteria to be displaced by members of the class Alphaproteobacteria. CONCLUSIONS To the best of our knowledge, this represents the first study evaluating phage therapy to control potential negative effects of P. damselae subsp. damselae during hatching of longfin yellowtail eggs. SIGNIFICANCE AND IMPACT OF THE STUDY The Seriola genus includes several important commercial fish species due to its rapid growth and easy adaptability to confinement conditions. However, bacterial infections (especially those caused by Vibrio and Photobacterium species) are among the main limiting factors for the intensification of marine fish aquaculture, particularly during early development stages. Therefore, the use of phages, which are natural killers of bacteria, represents a promising strategy to reduce the mortality of farmed organisms caused by pathogenic bacteria.
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Affiliation(s)
- B Veyrand-Quirós
- Centro de Investigaciones Biológicas del Noroeste, S.C., Av. Instituto Politécnico Nacional 195, La Paz Baja California Sur, Mexico
| | - B Gómez-Gil
- Centro de Investigación en Alimentación y Desarrollo (CIAD), Unidad Mazatlán en Acuicultura y Manejo Ambiental, Mazatlán, Sinaloa, Mexico
| | - C O Lomeli-Ortega
- Centro de Investigaciones Biológicas del Noroeste, S.C., Av. Instituto Politécnico Nacional 195, La Paz Baja California Sur, Mexico
| | - C Escobedo-Fregoso
- CONACYT-CIBNOR, Av. Instituto Politécnico Nacional, La Paz Baja California Sur, Mexico
| | - A D Millard
- Department of Genetics and Genome Biology, University of Leicester, Leicester, UK
| | - D Tovar-Ramírez
- Centro de Investigaciones Biológicas del Noroeste, S.C., Av. Instituto Politécnico Nacional 195, La Paz Baja California Sur, Mexico
| | - J L Balcázar
- Catalan Institute for Water Research (ICRA), Girona, Spain.,University of Girona, Girona, Spain
| | - E Quiroz-Guzmán
- CONACYT-CIBNOR, Av. Instituto Politécnico Nacional, La Paz Baja California Sur, Mexico
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Almeida A, Faustino MAF, Neves MGPMS. Antimicrobial Photodynamic Therapy in the Control of COVID-19. Antibiotics (Basel) 2020; 9:E320. [PMID: 32545171 PMCID: PMC7344747 DOI: 10.3390/antibiotics9060320] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/05/2020] [Accepted: 06/06/2020] [Indexed: 12/27/2022] Open
Abstract
Antimicrobial photodynamic therapy (aPDT), using well known, safe and cost-effective photosensitizers, such as phenothiazines, e.g., methylene blue (MB), or porphyrins, e.g., protoporphyrin-IX (PP-IX), might help to mitigate the COVID-19 either to prevent infections or to develop photoactive fabrics (e.g., masks, suits, gloves) to disinfect surfaces, air and wastewater, under artificial light and/or natural sunlight.
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Affiliation(s)
- Adelaide Almeida
- Department of Biology CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - M. Amparo F. Faustino
- Department of Chemistry and LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal; (M.A.F.F.); (M.G.P.M.S.N.)
| | - Maria G. P. M. S. Neves
- Department of Chemistry and LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal; (M.A.F.F.); (M.G.P.M.S.N.)
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Kowalska JD, Kazimierczak J, Sowińska PM, Wójcik EA, Siwicki AK, Dastych J. Growing Trend of Fighting Infections in Aquaculture Environment-Opportunities and Challenges of Phage Therapy. Antibiotics (Basel) 2020; 9:antibiotics9060301. [PMID: 32512805 PMCID: PMC7345527 DOI: 10.3390/antibiotics9060301] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/26/2020] [Accepted: 06/03/2020] [Indexed: 12/31/2022] Open
Abstract
Phage therapy, a promising alternative to antimicrobial treatment of bacterial diseases, is getting more and more popular, especially due to the rising awareness of antibiotic resistance and restrictions in antibiotics' use. During recent years, we observed a growing trend of bacteriophages' application in aquaculture, which in each year reports high losses due to bacterial diseases. This review provides an update of the status of bacteriophage therapy for the treatment and prevention of infections in the aquatic environment. As it is still mostly in the scientific stage, there are a few constraints that may prevent effective therapy. Therefore, specific characteristics of bacteriophages, that can act in favor or against their successful use in treatment, were described. We underlined aspects that need to be considered: specificity of phages, bacterial resistance, safety, immune response of the host organism, formulation, administration and stability of phage preparations as well as bacteriophages' influence on the environment. The biggest challenge to overcome is finding the right balance between the desired and problematic characteristics of bacteriophages. Finally, regulatory approval challenges may be encountered by bacteriophage manufacturers. Even though there are still some technical constraints connected with the global use of bacteriophage therapy, it was concluded that it can be successfully applied in aquaculture.
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Affiliation(s)
- Justyna D. Kowalska
- Proteon Pharmaceuticals, 90-364 Lodz, Poland; (J.K.); (P.M.S.); (E.A.W.); (J.D.)
- Correspondence:
| | - Joanna Kazimierczak
- Proteon Pharmaceuticals, 90-364 Lodz, Poland; (J.K.); (P.M.S.); (E.A.W.); (J.D.)
| | - Patrycja M. Sowińska
- Proteon Pharmaceuticals, 90-364 Lodz, Poland; (J.K.); (P.M.S.); (E.A.W.); (J.D.)
| | - Ewelina A. Wójcik
- Proteon Pharmaceuticals, 90-364 Lodz, Poland; (J.K.); (P.M.S.); (E.A.W.); (J.D.)
| | - Andrzej K. Siwicki
- Department of Microbiology and Clinical Immunology, Faculty of Veterinary Medicine, University of Warmia and Mazury, 10-719 Olsztyn, Poland;
| | - Jarosław Dastych
- Proteon Pharmaceuticals, 90-364 Lodz, Poland; (J.K.); (P.M.S.); (E.A.W.); (J.D.)
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Ashrafudoulla M, Mizan MFR, Park SH, Ha SD. Current and future perspectives for controlling Vibrio biofilms in the seafood industry: a comprehensive review. Crit Rev Food Sci Nutr 2020; 61:1827-1851. [PMID: 32436440 DOI: 10.1080/10408398.2020.1767031] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The contamination of seafood with Vibrio species can have severe repercussions in the seafood industry. Vibrio species can form mature biofilms and persist on the surface of several seafoods such as crabs, oysters, mussels, and shrimp, for extended duration. Several conventional approaches have been employed to inhibit the growth of planktonic cells and prevent the formation of Vibrio biofilms. Since Vibrio biofilms are mostly resistant to these control measures, novel alternative methods need to be urgently developed. In this review, we propose environmentally friendly approaches to suppress Vibrio biofilm formation using a hypothesized mechanism of action.
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Affiliation(s)
- Md Ashrafudoulla
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Anseong, Gyunggi-do, Republic of Korea
| | - Md Furkanur Rahaman Mizan
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Anseong, Gyunggi-do, Republic of Korea
| | - Si Hong Park
- Food Science and Technology, Oregon State University, Corvallis, Oregon, USA
| | - Sang-Do Ha
- Department of Food Science and Technology, Advanced Food Safety Research Group, Chung-Ang University, Anseong, Gyunggi-do, Republic of Korea
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Collin B, Hernroth B. Experimental evaluation of survival of Vibrio parahaemolyticus in fertilized cold-water sediment. J Appl Microbiol 2020; 129:75-84. [PMID: 32086873 DOI: 10.1111/jam.14618] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 02/08/2020] [Accepted: 02/19/2020] [Indexed: 11/28/2022]
Abstract
AIMS This experimental study focuses on survival and consistence of Vibrio parahaemolyticus in cold-water sediments and how increasing temperature and nutritional availability can affect growth. METHODS AND RESULTS A pathogenic strain of V. parahaemolyticus was inoculated in seawater microcosms containing bottom sediment. Gradually, during 14 days, the temperature was upregulated from 8 to 21°C. Culturable V. parahaemolyticus was only found in the sediment but declined over time and did not recover even after another 2 days at 37°C. Numbers of culturable bacteria matched the amount found by q-PCR indicating that they did not enter a dormant state, contrary to those in the water layer. After adding decaying phytoplankton as fertilizer to the microcosms of 8 and 21°C for 7 and 14 days, the culturability of the bacteria increased significantly in the sediments at both temperatures and durations of exposure. CONCLUSION The study showed that V. parahaemolyticus can stay viable in cold-water sediment and growth was stimulated by fertilizers rather than by temperature. SIGNIFICANCE AND IMPACT OF THE STUDY Vibrio parahaemolyticus is a common cause of seafood-borne gastroenteritis and is today recognized in connection to increasing ocean temperature. The results indicate that this pathogen should be considered a risk in well-fertilized environments, such as aquacultures, even during cold periods.
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Affiliation(s)
- B Collin
- Department of Natural Science, Kristianstad University, Kristianstad, Sweden
| | - B Hernroth
- Department of Natural Science, Kristianstad University, Kristianstad, Sweden.,The Royal Swedish Academy of Sciences, Kristineberg Marine Research Station, Fiskebäckskil, Sweden
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Pinheiro LAM, Pereira C, Barreal ME, Gallego PP, Balcão VM, Almeida A. Use of phage ϕ6 to inactivate Pseudomonas syringae pv. actinidiae in kiwifruit plants: in vitro and ex vivo experiments. Appl Microbiol Biotechnol 2019; 104:1319-1330. [DOI: 10.1007/s00253-019-10301-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/14/2019] [Accepted: 12/08/2019] [Indexed: 12/22/2022]
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Pinheiro LAM, Pereira C, Frazão C, Balcão VM, Almeida A. Efficiency of Phage φ6 for Biocontrol of Pseudomonas syringae pv. syringae: An in Vitro Preliminary Study. Microorganisms 2019; 7:E286. [PMID: 31450735 PMCID: PMC6780397 DOI: 10.3390/microorganisms7090286] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 07/31/2019] [Accepted: 08/21/2019] [Indexed: 12/14/2022] Open
Abstract
Pseudomonas syringae is a plant-associated bacterial species that has been divided into more than 60 pathovars, with the Pseudomonas syringae pv. syringae being the main causative agent of diseases in a wide variety of fruit trees. The most common treatments for biocontrol of P. syringae pv. syringae infections has involved copper derivatives and/or antibiotics. However, these treatments should be avoided due to their high toxicity to the environment and promotion of bacterial resistance. Therefore, it is essential to search for new approaches for controlling P. syringae pv. syringae. Phage therapy can be a useful alternative tool to the conventional treatments to control P. syringae pv. syringae infections in plants. In the present study, the efficacy of bacteriophage (or phage) φ6 (a commercially available phage) was evaluated in the control of P. syringae pv. syringae. As the plants are exposed to the natural variability of physical and chemical parameters, the influence of pH, temperature, solar radiation and UV-B irradiation on phage φ6 viability was also evaluated in order to develop an effective phage therapy protocol. The host range analysis revealed that the phage, besides its host (P. syringae pv. syringae), also infects the Pseudomonas syringae pv. actinidiae CRA-FRU 12.54 and P. syringae pv. actinidiae CRA-FRU 14.10 strains, not infecting strains from the other tested species. Both multiplicities of infection (MOIs) tested, 1 and 100, were effective to inactivate the bacterium, but the MOI 1 (maximum reduction of 3.9 log CFU/mL) was more effective than MOI 100 (maximum reduction of 2.6 log CFU/mL). The viability of phage φ6 was mostly affected by exposure to UV-B irradiation (decrease of 7.3 log PFU/mL after 8 h), exposure to solar radiation (maximum reduction of 2.1 PFU/mL after 6 h), and high temperatures (decrease of 8.5 PFU/mL after 6 days at 37 °C, but a decrease of only 2.0 log PFU/mL after 67 days at 15 °C and 25 °C). The host range, high bacterial control and low rates of development of phage-resistant bacterial clones (1.20 × 10-3) suggest that this phage can be used to control P. syringae pv. syringae infections in plants, but also to control infections by P. syringae pv. actinidiae, the causal agent of bacterial canker of kiwifruit. Although the stability of phage φ6 was affected by UV-B and solar radiation, this can be overcome by the application of phage suspensions at the end of the day or at night.
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Affiliation(s)
- Larindja A M Pinheiro
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Carla Pereira
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - Carolina Frazão
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Victor M Balcão
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
- PhageLab-Laboratory of Biofilms and Bacteriophages, University of Sorocaba, 18023-000 Sorocaba, São Paulo, Brazil
| | - Adelaide Almeida
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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41
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Liu Y, Zhao L, Wang M, Wang Q, Zhang X, Han Y, Wang M, Jiang T, Shao H, Jiang Y, McMinn A. Complete genomic sequence of bacteriophage P23: a novel Vibrio phage isolated from the Yellow Sea, China. Virus Genes 2019; 55:834-842. [PMID: 31420829 DOI: 10.1007/s11262-019-01699-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 08/09/2019] [Indexed: 10/26/2022]
Abstract
A novel Vibrio phage, P23, belonging to the family Siphoviridae was isolated from the surface water of the Yellow Sea, China. The complete genome of this phage was determined. A one-step growth curve showed that the latent period was approximately 30 min, the burst size was 24 PFU/cell, and the rise period was 20 min. The phage is host specific and is stable over a range of pH (5-10) and temperatures (4-65 °C). Transmission electron microscopy showed that phage P23 can be categorized into the Siphoviridae family, with an icosahedral head of 60 nm and a long noncontractile tail of 144 nm. The genome consisted of a linear, double-stranded 40.063 kb DNA molecule with 42.5% G+C content and 72 putative open reading frames (ORFs) without tRNA. The predicted ORFs were classified into six functional groups, including DNA replication, regulation and nucleotide metabolism, transcription, phage packaging, phage structure, lysis, and hypothetical proteins. The Vibrio phage P23 genome is a new marine Siphoviridae-family phage genome that provides basic information for further molecular research on interaction mechanisms between bacteriophages and their hosts.
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Affiliation(s)
- Yundan Liu
- College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China
| | - Lei Zhao
- Qing Dao Municipal Hospital, Qingdao, People's Republic of China
| | - Min Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China. .,Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, People's Republic of China. .,Key Lab of Polar Oceanography and Global Ocean Change, Ocean University of China, Qingdao, People's Republic of China.
| | - Qi Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China
| | - Xinran Zhang
- College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China
| | - Yuye Han
- College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China
| | - Meiwen Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China
| | - Tong Jiang
- College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China
| | - Hongbing Shao
- College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China.,Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, People's Republic of China
| | - Yong Jiang
- College of Marine Life Sciences, Ocean University of China, Qingdao, People's Republic of China.,Institute of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, People's Republic of China.,Key Lab of Polar Oceanography and Global Ocean Change, Ocean University of China, Qingdao, People's Republic of China
| | - Andrew McMinn
- Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, TAS, Australia
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42
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Wiehe A, O'Brien JM, Senge MO. Trends and targets in antiviral phototherapy. Photochem Photobiol Sci 2019; 18:2565-2612. [PMID: 31397467 DOI: 10.1039/c9pp00211a] [Citation(s) in RCA: 152] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Photodynamic therapy (PDT) is a well-established treatment option in the treatment of certain cancerous and pre-cancerous lesions. Though best-known for its application in tumor therapy, historically the photodynamic effect was first demonstrated against bacteria at the beginning of the 20th century. Today, in light of spreading antibiotic resistance and the rise of new infections, this photodynamic inactivation (PDI) of microbes, such as bacteria, fungi, and viruses, is gaining considerable attention. This review focuses on the PDI of viruses as an alternative treatment in antiviral therapy, but also as a means of viral decontamination, covering mainly the literature of the last decade. The PDI of viruses shares the general action mechanism of photodynamic applications: the irradiation of a dye with light and the subsequent generation of reactive oxygen species (ROS) which are the effective phototoxic agents damaging virus targets by reacting with viral nucleic acids, lipids and proteins. Interestingly, a light-independent antiviral activity has also been found for some of these dyes. This review covers the compound classes employed in the PDI of viruses and their various areas of use. In the medical area, currently two fields stand out in which the PDI of viruses has found broader application: the purification of blood products and the treatment of human papilloma virus manifestations. However, the PDI of viruses has also found interest in such diverse areas as water and surface decontamination, and biosafety.
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Affiliation(s)
- Arno Wiehe
- biolitec research GmbH, Otto-Schott-Str. 15, 07745 Jena, Germany. and Institut für Chemie und Biochemie, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany
| | - Jessica M O'Brien
- Medicinal Chemistry, Trinity Translational Medicine Institute, Trinity Centre for Health Sciences, Trinity College Dublin, The University of Dublin, St. James's Hospital, Dublin 8, Ireland.
| | - Mathias O Senge
- Medicinal Chemistry, Trinity Translational Medicine Institute, Trinity Centre for Health Sciences, Trinity College Dublin, The University of Dublin, St. James's Hospital, Dublin 8, Ireland.
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43
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Cabral J, Ag R. Blue Light Disinfection in Hospital Infection Control: Advantages, Drawbacks, and Pitfalls. Antibiotics (Basel) 2019; 8:antibiotics8020058. [PMID: 31067733 PMCID: PMC6627448 DOI: 10.3390/antibiotics8020058] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 04/27/2019] [Accepted: 05/02/2019] [Indexed: 01/09/2023] Open
Abstract
Hospital acquired infections (HAIs) are a serious problem that potentially affects millions of patients whenever in contact with hospital settings. Worsening the panorama is the emergence of antimicrobial resistance by most microorganisms implicated in HAIs. Therefore, the improvement of the actual surveillance methods and the discovery of alternative approaches with novel modes of action is vital to overcome the threats created by the emergence of such resistances. Light therapy modalities represent a viable and effective alternative to the conventional antimicrobial treatment and can be preponderant in the control of HAIs, even against multidrug resistant organisms (MDROs). This review will initially focus on the actual state of HAIs and MDROs and which methods are currently available to fight them, which is followed by the exploration of antimicrobial photodynamic therapy (aPDT) and antimicrobial blue light therapy (aBLT) as alternative approaches to control microorganisms involved in HAIs. The advantages and drawbacks of BLT relatively to aPDT and conventional antimicrobial drugs as well as its potential applications to destroy microorganisms in the healthcare setting will also be discussed.
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Affiliation(s)
- João Cabral
- Division of Microbiology, Department of Pathology, Porto Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal.
| | - Rodrigues Ag
- Division of Microbiology, Department of Pathology, Porto Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal.
- CINTESIS-Center for Health Technology and Services Research, 4200-450 Porto, Portugal.
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Hlapisi N, Motaung TE, Linganiso LZ, Oluwafemi OS, Songca SP. Encapsulation of Gold Nanorods with Porphyrins for the Potential Treatment of Cancer and Bacterial Diseases: A Critical Review. Bioinorg Chem Appl 2019; 2019:7147128. [PMID: 31182957 PMCID: PMC6515112 DOI: 10.1155/2019/7147128] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 02/04/2019] [Indexed: 01/23/2023] Open
Abstract
Cancer and bacterial diseases have been the most incidental diseases to date. According to the World Health Report 2018, at least every family is affected by cancer around the world. In 2012, 14.1 million people were affected by cancer, and that figure is bound to increase to 21.6 million in 2030. Medicine therefore sorts out ways of treatment using conventional methods which have been proven to have many side effects. Researchers developed photothermal and photodynamic methods to treat both cancer and bacterial diseases. These methods pose fewer effects on the biological systems but still no perfect method has been synthesized. The review serves to explore porphyrin and gold nanorods to be used in the treatment of cancer and bacterial diseases: porphyrins as photosensitizers and gold nanorods as delivery agents. In addition, the review delves into ways of incorporating photothermal and photodynamic therapy aimed at producing a less toxic, more efficacious, and specific compound for the treatment.
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Affiliation(s)
- Nthabeleng Hlapisi
- Department of Chemistry, University of Zululand, X1001, KwaDlangezwa, KwaZulu-Natal, South Africa
| | - Tshwafo E. Motaung
- Department of Chemistry, University of Zululand, X1001, KwaDlangezwa, KwaZulu-Natal, South Africa
| | - Linda Z. Linganiso
- Department of Chemistry, University of Zululand, X1001, KwaDlangezwa, KwaZulu-Natal, South Africa
| | - Oluwatobi S. Oluwafemi
- Department of Applied Chemistry, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg 2028, South Africa
- Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg, South Africa
| | - Sandile P. Songca
- Department of Chemistry, University of Kwazulu Natal, Kwazulu Natal, South Africa
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45
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Silva AF, Santos AR, Trevisan DAC, Bonin E, Freitas CF, Batista AFP, Hioka N, Simões M, Graton Mikcha JM. Xanthene Dyes and Green
LED
for the Inactivation of Foodborne Pathogens in Planktonic and Biofilm States. Photochem Photobiol 2019; 95:1230-1238. [DOI: 10.1111/php.13104] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 03/22/2019] [Indexed: 11/29/2022]
Affiliation(s)
- Alex Fiori Silva
- Department of Clinical Analysis and Biomedicine State University of Maringá Maringá, Paraná Brazil
| | - Adriele Rodrigues Santos
- Department of Clinical Analysis and Biomedicine State University of Maringá Maringá, Paraná Brazil
| | | | - Edineia Bonin
- Department of Clinical Analysis and Biomedicine State University of Maringá Maringá, Paraná Brazil
| | | | | | - Noboru Hioka
- Department of Chemistry State University of Maringa Maringá Brazil
| | - Manuel Simões
- LEPABE Department of Chemical Engineering Faculty of Engineering University of Porto Porto Portugal
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Efficiency of Single Phage Suspensions and Phage Cocktail in the Inactivation of Escherichia coli and Salmonella Typhimurium: An In Vitro Preliminary Study. Microorganisms 2019; 7:microorganisms7040094. [PMID: 30935094 PMCID: PMC6518180 DOI: 10.3390/microorganisms7040094] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 03/22/2019] [Accepted: 03/27/2019] [Indexed: 01/09/2023] Open
Abstract
Enterobacteriaceae Escherichia coli and Salmonella enterica serovar Typhimurium strains are among the main pathogens responsible for moderate and serious infections at hospital and community environments, in part because they frequently present resistance to antibiotics. As the treatment of Enterobacteriaceae infections is empiric, using the same antibiotics to treat E. coli and Salmonella infections, the same concept can be applied with phages. The use of different phages combined in cocktails, frequently used to circumvent the development of phage-resistant mutants, also allows for the treatment of multiple pathogens, broadening the phages’ action spectrum. As such, the aim of this study was to evaluate the efficiency of a cocktail of two phages (ELY-1, produced on E. coli and phSE-5, produced on S. Typhimurium) to control E. coli and S. Typhimurium. Phages ELY-1 and phSE-5 were effective against E. coli (maximum reductions of 4.5 and 3.8 log CFU/mL, respectively), S. Typhimurium (maximum reductions of 2.2 and 2.6 log CFU/mL, respectively), and the mixture of both bacteria (maximum reductions of 2.2 and 2.0 log CFU/mL, respectively). The cocktail ELY-1/phSE-5 was more effective against S. Typhimurium and the mixture of both bacteria (maximum reduction of 3.2 log CFU/mL for both) than the single phage suspensions and as effective against E. coli as its specific phage ELY-1 (maximum reductions of 4.5 log CFU/mL). The use of both the phage cocktails, as well as the single-phage suspensions, however, did not prevent the occurrence of phage-resistant mutants. Overall, the results indicate that the application of the phages in the form of a cocktail show their potential to be used presumptively, that is, prior to the identification of the pathogens, paving its use to control E. coli or S. Typhimurium.
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47
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Choudhury TG, Maiti B, Venugopal MN, Karunasagar I. Influence of some environmental variables and addition of r-lysozyme on efficacy of Vibrio harveyi phage for therapy. J Biosci 2019; 44:8. [PMID: 30837359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Bacteriophage therapy is a viable proposition for controlling luminous vibriosis caused by Vibrio harveyi in shrimp aquaculture. However, environmental factors influence the growth and activity of phage and affect its efficiency in controlling bacterial diseases. An essential problem in the use of vibrio phage as a therapeutic agent was the development of resistance to phage attachment, rendering them resistant to the lytic action of phage. This problem could be overcome by applying a cocktail of phages. This study aimed to evaluate the effect of salinity and pH on the phage activity and also to study the role of recombinant shrimp lysozyme on the performance of the V. harveyi phage. Out of three different levels of salinity (20, 25 and 30 ppt) and pH (6, 7 and 8) tested, optimum phage activity was observed at a salinity of 25 ppt and at neutral pH. Application of recombinant shrimp lysozyme in combination with V. harveyi phage significantly improved the activity of phage in in vitro assay as well as in microcosm study using seawater. The application of phage along with lysozyme can be a useful approach to overcome the inability of phage to enter the bacteria and thus eliminate or reduce fish/ shrimp pathogenic bacteria in aquaculture.
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Affiliation(s)
- Tanmoy Gon Choudhury
- Department of Fishery Microbiology, College of Fisheries, Karnataka Veterinary, Animal and Fisheries Sciences University, Mangalore 575 002, India
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48
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Influence of some environmental variables and addition of r-lysozyme on efficacy of Vibrio harveyi phage for therapy. J Biosci 2019. [DOI: 10.1007/s12038-018-9830-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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49
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Kluska M, Krajewska E, Jabłońska J, Prukała W. New Applications and Analysis of (E)-Azastilbenes in Environmental Samples. Crit Rev Anal Chem 2019; 49:395-402. [DOI: 10.1080/10408347.2018.1537120] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Mariusz Kluska
- Faculty of Science, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
| | - Ewa Krajewska
- Hospital Pharmacy Department, Hospital Solec Sp. z o. o., Warszawa, Poland
| | - Joanna Jabłońska
- Faculty of Science, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
| | - Wiesław Prukała
- Faculty of Chemistry, Adam Mickiewicz University, Poznań, Poland
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50
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SAITO HIROAKI, TAMRIN MLAL. Antimycotic Activity of Seaweed Extracts( Caulerpa lentillifera and Eucheuma cottonii) against Two Genera of Marine Oomycetes, Lagenidium spp. and Haliphthoros spp. Biocontrol Sci 2019; 24:73-80. [DOI: 10.4265/bio.24.73] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- HIROAKI SAITO
- Borneo Marine Research Institute, Universiti Malaysia Sabah, Jalan UMS
| | - M. LAL TAMRIN
- Borneo Marine Research Institute, Universiti Malaysia Sabah, Jalan UMS
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