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Ye Y, Tong G, Chen G, Huang L, Huang L, Jiang X, Wei X, Lin M. The characterization and genome analysis of a novel phage phiA034 targeting multiple species of Aeromonas. Virus Res 2023; 336:199193. [PMID: 37579848 PMCID: PMC10480305 DOI: 10.1016/j.virusres.2023.199193] [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: 04/19/2023] [Revised: 08/04/2023] [Accepted: 08/07/2023] [Indexed: 08/16/2023]
Abstract
Aeromonas is one of the most serious pathogens in freshwater aquaculture. Overuse of antibiotics for the treatment of fish diseases has led to the frequent occurrence of drug-resistant strains. Phage therapy is an alternative approach to overcoming the multi-drug resistance associated with antibiotics. In this study, a novel phage phiA034 targeting the host A. veronii A034 was isolated. The phage could infect 14 strains of 4 species Aeromonas. The phage phiA034 displayed head-tail structure with an icosahedral head in the TEM image. At the optimal MOI of 1, it had a latent period of nearly 20 minutes and a burst size of 286 PFU/cell. Besides, the phage phiA034 exhibited high tolerance to a wide range of temperature (30-70 °C) and acid-base (pH 6.0-10.0). The whole genome of phage phiA034 was sequenced with a size of 61,443 bp and annotated with 82 ORFs, mainly related to structure, DNA replication, and lysis. Based on the analysis and comparison of the genomes and proteomes, phage phiA034 could be classified as a novel species of an existing genus Duplodnaviria Heunggongvirae, Uroviricota, Caudoviricetes, Casjensviridae, Sharonstreetvirus. These findings have expanded the species bank and genomes library of bacterial virus and will promote the application of phage therapy in Aeromonas disease.
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Affiliation(s)
- Yingying Ye
- Fisheries College, Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, Jimei University, Xiamen, Fujian, China
| | - Guixiang Tong
- Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning, China
| | - Gonghao Chen
- Fisheries College, Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, Jimei University, Xiamen, Fujian, China
| | - Lixing Huang
- Fisheries College, Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, Jimei University, Xiamen, Fujian, China
| | - Liqiang Huang
- Fisheries College, Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, Jimei University, Xiamen, Fujian, China
| | - Xinglong Jiang
- Fisheries College, Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, Jimei University, Xiamen, Fujian, China
| | - Xinxian Wei
- Guangxi Key Laboratory of Aquatic Genetic Breeding and Healthy Aquaculture, Guangxi Academy of Fishery Sciences, Nanning, China
| | - Mao Lin
- Fisheries College, Engineering Research Center of the Modern Technology for Eel Industry, Ministry of Education, Jimei University, Xiamen, Fujian, China; Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Xiamen, Fujian, China.
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Herawati O, Bejo SK, Zakaria Z, Ramanoon SZ. The global profile of antibiotic resistance in bacteria isolated from goats and sheep: A systematic review. Vet World 2023; 16:977-986. [PMID: 37576756 PMCID: PMC10420705 DOI: 10.14202/vetworld.2023.977-986] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 03/23/2023] [Indexed: 08/15/2023] Open
Abstract
Background and Aim Antibiotic resistance has become an issue of global importance due to increasing levels of bacterial infections worldwide. Farm management and usage of antibiotics in livestock are known risk factors associated with the increase in global levels of antibiotic resistance. Goats and sheep are examples of livestock with large populations. Although antibiotic resistance in bacteria from livestock negatively affects both human health and the economy, the global data regarding this issue in goats and sheep are limited. Therefore, this study aimed to provide information on the antibiotic-resistance profile of bacteria isolated from goats and sheep worldwide (Asia, Europe, and Africa). Materials and Methods We performed a systematic review of articles published on this topic without any restriction on the year of publication. We searched the Directory of Open Access Journals, PubMed, Google Scholar, and Scopus using Boolean logic through various keywords. The search generated a total of 1325 articles, and after screening for duplicates and implementing inclusion and exclusion criteria, qualitative synthesis (i.e., qualitative systematic review) was performed on 37 articles. Results The synthesized information indicated that 18 Gram-positive and 13 Gram-negative bacterial species from goats and sheep were resistant to ten antibiotics, namely penicillin, ampicillin, amoxicillin, chloramphenicol, streptomycin, tetracycline, cephalothin, gentamicin, ciprofloxacin (CIP), and sulfamethoxazole. The prevalence of antibiotic resistance ranged from 0.4% to 100%. However, up to 100% of some bacteria, namely, Salmonella Dublin, Aeromonas caviae, and Aeromonas sobria, were susceptible to CIP. Staphylococcus aureus and Escherichia coli were highly resistant to all antibiotics tested. Moreover, eight of the ten antibiotics tested were critically important antibiotics for humans. Conclusion Antibiotic-resistant bacteria in goats and sheep are a potential risk to animal and human health. Collaboration between all stakeholders and further research is needed to prevent the negative impacts of antibiotic resistance.
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Affiliation(s)
- Okti Herawati
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
- Department of Microbiology, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Siti Khairani Bejo
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Zunita Zakaria
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Siti Zubaidah Ramanoon
- Department of Farm and Exotic Animal Medicine and Surgery, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
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Complete Genome Sequence of an Aeromonas rivuli Strain Isolated from Ready-to-Eat Food. Microbiol Resour Announc 2022; 11:e0113021. [PMID: 35442062 PMCID: PMC9119039 DOI: 10.1128/mra.01130-21] [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] [Indexed: 12/02/2022] Open
Abstract
Aeromonads can be associated with diseases in animals and humans. Knowledge regarding Aeromonas rivuli, a species recently discovered in creek water in Germany, is still fragmentary. Here, we announce the complete genome sequence of Aeromonas rivuli strain 20-VB00005, which was recovered from ready-to-eat food.
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Dietary supplementation with Weissella cibaria C-10 and Bacillus amyloliquefaciens T-5 enhance immunity against Aeromonas veronii infection in crucian carp (Carassiu auratus). Microb Pathog 2022; 167:105559. [PMID: 35568093 DOI: 10.1016/j.micpath.2022.105559] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/05/2022] [Accepted: 04/27/2022] [Indexed: 12/18/2022]
Abstract
With the aim to discover novel lactic acid bacteria and Bacillus strains from fish as potential probiotics to replace antibiotics in aquaculture, the present study was conducted to isolate lactic acid bacteria and Bacillus from intestinal tract of healthy crucian carp (Carassiu auratus) and largemouth bass (Micropterus salmoides) and evaluate their resistance against Aeromonas veronii. Based on the evaluation of antibacterial activity and tolerance test, one strain of lactic acid bacteria (Weissella cibaria C-10) and one strain of Bacillus (Bacillus amyloliquefaciens T-5) with strong environmental stability were screened out. The safety evaluation showed that these two strains were non-toxic to crucian carp and were sensitive to most antibiotics. In vivo study, the crucian carps were fed a basal diet supplemented with W. cibaria C-10 (C-10), B. amyloliquefaciens T-5 (T-5) and W. cibaria C-10 + B. amyloliquefaciens T-5 (C-10+T-5), respectively, for 5 weeks. Then, various immune parameters were measured at 35 days of post-feeding. Results showed both probiotics could improve the activities of related immune enzymes, immune factors and non-specific immune antibodies in blood and organs (gill, gut, kidney, liver, and spleen) of crucian carp in varying degrees. Moreover, after 7 days of challenge experiment, the survival rates after challenged with A. veronii of W. cibaria C-10 (C-10), B. amyloliquefaciens T-5 (T-5) and W. cibaria C-10 + B. amyloliquefaciens T-5 (C-10+T-5) supplemented groups to the crucian carps were 20%, 33% and 22%, respectively. Overall, W. cibaria C-10 and B. amyloliquefaciens T-5 could be considered to be developed into microecological preparations for the alternatives of antibiotics in aquaculture.
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Zaher HA, Nofal MI, Hendam BM, Elshaer MM, Alothaim AS, Eraqi MM. Prevalence and Antibiogram of Vibrio parahaemolyticus and Aeromonas hydrophila in the Flesh of Nile Tilapia, with Special Reference to Their Virulence Genes Detected Using Multiplex PCR Technique. Antibiotics (Basel) 2021; 10:654. [PMID: 34070815 PMCID: PMC8229650 DOI: 10.3390/antibiotics10060654] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 01/25/2023] Open
Abstract
Vibrio parahaemolyticus and Aeromonas hydrophila are major public health problems and the main cause of bacterial disease in Nile tilapia (Oreochromis niloticus). This study was conducted to determine the prevalence, antibiotic resistance and some virulence genes of both V. parahaemolyticus and A. hydrophila isolates from Nile tilapia. From Manzala Farm at Dakahlia governorate, 250 freshwater fish samples were collected. The confirmed bacterial isolates from the examined Nile tilapia samples in the study were 24.8% (62/250) for V. parahaemolyticus and 19.2% (48/250) for A. hydrophila. multiplex PCR, revealing that the tlh gene was found in 46.7% (29/62) of V. parahaemolyticus isolates, while the tdh and trh virulence genes were found in 17.2% (5/29). Meanwhile, 39.5% (19/48) of A. hydrophila isolates had the 16s rRNA gene and 10.5% (2/19) had the aerA and ahh1 virulence genes. The Multiple Antibiotic Resistance indices of V. parahaemolyticus and A. hydrophila were 0.587 and 0.586, respectively. In conclusion, alternative non-antibiotic control strategies for bacterial infections in farmed fish should be promoted to avoid multidrug-resistant bacteria. Therefore, it is suggested that farmers should be skilled in basic fish health control and that molecular detection methods are more rapid and cost-effective than bacteriological methods.
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Affiliation(s)
- Hanan A. Zaher
- Food Hygiene and Control Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt;
| | - Mohamad I. Nofal
- General Authority of Fish Resources and Development (GAFRD), Manzala Fish Farm, Manzala 35642, Egypt;
| | - Basma M. Hendam
- Department of Husbandry and Development of Animal Wealth, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt;
| | - Moustafa M. Elshaer
- Department of Microbiology at Specialized Medical Hospital, Mansoura University, Mansoura 35516, Egypt;
| | - Abdulaziz S. Alothaim
- Department of Biology, College of Science in Zulfi, Majmaah University, Majmaah 11952, Saudi Arabia
| | - Mostafa M. Eraqi
- Department of Biology, College of Science in Zulfi, Majmaah University, Majmaah 11952, Saudi Arabia
- Microbiology and Immunology Department, Veterinary Research Division, National Research Centre, Dokki, Giza 12622, Egypt
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Draft Genome Sequence of Aeromonas caviae UFMG-H8, Isolated from Urine from a Healthy Bovine Heifer (Gyr Breed). Microbiol Resour Announc 2020; 9:9/19/e00388-20. [PMID: 32381622 PMCID: PMC7206500 DOI: 10.1128/mra.00388-20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Aeromonas caviae is an emerging pathogen in humans, causing intestinal infections. Here, we report Aeromonas caviae strain UFMG-H8, isolated from the urine of a healthy heifer (Gyr breed).
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Sekizuka T, Inamine Y, Segawa T, Hashino M, Yatsu K, Kuroda M. Potential KPC-2 carbapenemase reservoir of environmental Aeromonas hydrophila and Aeromonas caviae isolates from the effluent of an urban wastewater treatment plant in Japan. ENVIRONMENTAL MICROBIOLOGY REPORTS 2019; 11:589-597. [PMID: 31106978 PMCID: PMC6851574 DOI: 10.1111/1758-2229.12772] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 05/16/2019] [Indexed: 06/09/2023]
Abstract
Aeromonas hydrophila and Aeromonas caviae adapt to saline water environments and are the most predominant Aeromonas species isolated from estuaries. Here, we isolated antimicrobial-resistant (AMR) Aeromonas strains (A. hydrophila GSH8-2 and A. caviae GSH8M-1) carrying the carabapenemase blaKPC-2 gene from a wastewater treatment plant (WWTP) effluent in Tokyo Bay (Japan) and determined their complete genome sequences. GSH8-2 and GSH8M-1 were classified as newly assigned sequence types ST558 and ST13, suggesting no supportive evidence of clonal dissemination. The strains appear to have acquired blaKPC-2 -positive IncP-6-relative plasmids (pGSH8-2 and pGSH8M-1-2) that share a common backbone with plasmids in Aeromonas sp. ASNIH3 isolated from hospital wastewater in the United States, A. hydrophila WCHAH045096 isolated from sewage in China, other clinical isolates (Klebsiella, Enterobacter and Escherichia coli), and wastewater isolates (Citrobacter, Pseudomonas and other Aeromonas spp.). In addition to blaKPC-2 , pGSH8M-1-2 carries an IS26-mediated composite transposon including a macrolide resistance gene, mph(A). Although Aeromonas species are opportunistic pathogens, they could serve as potential environmental reservoir bacteria for carbapenemase and AMR genes. AMR monitoring from WWTP effluents will contribute to the detection of ongoing AMR dissemination in the environment and might provide an early warning of potential dissemination in clinical settings and communities.
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Affiliation(s)
- Tsuyoshi Sekizuka
- Pathogen Genomics CenterNational Institute of Infectious Diseases1‐23‐1 Toyama, ShinjukuTokyo162‐8640Japan
| | - Yuba Inamine
- Pathogen Genomics CenterNational Institute of Infectious Diseases1‐23‐1 Toyama, ShinjukuTokyo162‐8640Japan
| | - Takaya Segawa
- Pathogen Genomics CenterNational Institute of Infectious Diseases1‐23‐1 Toyama, ShinjukuTokyo162‐8640Japan
| | - Masanori Hashino
- Pathogen Genomics CenterNational Institute of Infectious Diseases1‐23‐1 Toyama, ShinjukuTokyo162‐8640Japan
| | - Koji Yatsu
- Pathogen Genomics CenterNational Institute of Infectious Diseases1‐23‐1 Toyama, ShinjukuTokyo162‐8640Japan
| | - Makoto Kuroda
- Pathogen Genomics CenterNational Institute of Infectious Diseases1‐23‐1 Toyama, ShinjukuTokyo162‐8640Japan
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Lim SR, Lee DH, Park SY, Lee S, Kim HY, Lee MS, Lee JR, Han JE, Kim HK, Kim JH. Wild Nutria ( Myocastor coypus) Is a Potential Reservoir of Carbapenem-Resistant and Zoonotic Aeromonas spp. in Korea. Microorganisms 2019; 7:E224. [PMID: 31366125 PMCID: PMC6723217 DOI: 10.3390/microorganisms7080224] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 07/26/2019] [Accepted: 07/29/2019] [Indexed: 01/03/2023] Open
Abstract
The emergence and spread of antibiotic-resistant Aeromonas spp. is a serious public and animal health concern. Wild animals serve as reservoirs, vectors, and sentinels of these bacteria and can facilitate their transmission to humans and livestock. The nutria (Myocastor coypus), a semi-aquatic rodent, currently is globally considered an invasive alien species that has harmful impacts on natural ecosystems and carries various zoonotic aquatic pathogens. This study aimed to determine the prevalence of antibiotic-resistant zoonotic Aeromonas spp. in wild invasive nutrias captured in Korea during governmental eradication program. Three potential zoonotic Aeromonas spp. (A. hydrophila, A. caviae, and A. dhakensis) were identified among isolates from nutria. Some strains showed unexpected resistance to fluoroquinolones, third-generation cephalosporins, and carbapenems. In carbapenem-resistant isolates, the cphA gene, which is related to intrinsic resistance of Aeromonas to carbapenems, was identified, and phylogenetic analysis based on this gene revealed the presence of two major groups represented by A. hydrophila (including A. dhakensis) and other Aeromonas spp. These results indicate that wild nutrias in Korea are a potential reservoir of zoonotic and antibiotic-resistant Aeromonas spp. that can cause infection and treatment failure in humans. Thus, measures to prevent contact of wild nutrias with livestock and humans are needed.
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Affiliation(s)
- Se Ra Lim
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34113, Korea
| | - Do-Hun Lee
- Division of Ecological Conservation Research, National Institute of Ecology, Seocheon 33657, Korea
| | - Seon Young Park
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
| | - Seungki Lee
- Biological and Genetic Resources Assessment Division, National Institute of Biological Resources, Incheon 22689, Korea
| | - Hyo Yeon Kim
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea
| | - Moo-Seung Lee
- Environmental Diseases Research Center, Korea Research Institute of Bioscience and Biotechnology, 125 Gwahak-ro, Daejeon 34141, Korea
| | - Jung Ro Lee
- Division of Ecological Conservation Research, National Institute of Ecology, Seocheon 33657, Korea
| | - Jee Eun Han
- Laboratory of Aquatic Biomedicine, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea
| | - Hye Kwon Kim
- Department of Microbiology, College of Natural Sciences, Chungbuk National University, Cheongju 28644, Korea
| | - Ji Hyung Kim
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea.
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (UST), Daejeon 34113, Korea.
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Park SY, Lim SR, Son JS, Kim HK, Yoon SW, Jeong DG, Lee MS, Lee JR, Lee DH, Kim JH. Complete Genome Sequence of Aeromonas rivipollensis KN-Mc-11N1, Isolated from a Wild Nutria (Myocastor coypus) in South Korea. Microbiol Resour Announc 2018; 7:e00907-18. [PMID: 30533878 PMCID: PMC6256423 DOI: 10.1128/mra.00907-18] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 07/06/2018] [Indexed: 11/20/2022] Open
Abstract
We report here the complete genome sequence of Aeromonas rivipollensis KN-Mc-11N1, which was isolated from a wild nutria (Myocastor coypus) in South Korea. Genomic analysis indicated that A. rivipollensis may have zoonotic potential similar to that of other aeromonads, and nutria could be one of the sources of transmission of zoonotic pathogens to humans.
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Affiliation(s)
- Seon Young Park
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Department of Animal Science, College of Life Sciences, Pusan National University, Miryang, Republic of Korea
| | - Se Ra Lim
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Bio-analytical Science Division, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Jee Soo Son
- iNtRON Biotechnology, Inc., Seongnam, Republic of Korea
| | - Hye Kwon Kim
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Sun-Woo Yoon
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Bio-analytical Science Division, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Dae Gwin Jeong
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
- Bio-analytical Science Division, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Moo-Seung Lee
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Jung Ro Lee
- Division of Ecological Conservation Research, National Institute of Ecology, Seocheon, Republic of Korea
| | - Do-Hun Lee
- Division of Ecological Conservation Research, National Institute of Ecology, Seocheon, Republic of Korea
| | - Ji Hyung Kim
- Infectious Disease Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
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Dias C, Borges A, Saavedra MJ, Simões M. Biofilm formation and multidrug-resistant Aeromonas spp. from wild animals. J Glob Antimicrob Resist 2017; 12:227-234. [PMID: 28951073 DOI: 10.1016/j.jgar.2017.09.010] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 07/12/2017] [Accepted: 09/14/2017] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVES The 'One Health' concept recognises that the health of humans, animals and the environment are interconnected. Therefore, knowledge on the behaviour of micro-organisms from the most diverse environmental niches is important to prevent the emergence and dissemination of antimicrobial resistance. Wild animals are known to carry antimicrobial-resistant micro-organisms with potential public health impact. However, no data are available on the behaviour of sessile bacteria from wild animals, although antimicrobial resistance is amplified in biofilms. This study characterised the ciprofloxacin susceptibility and the adhesion and biofilm formation abilities of 14 distinct Aeromonas spp. (8 Aeromonas salmonicida, 3 Aeromonas eucrenophila, 2 Aeromonas bestiarum and 1 Aeromonas veronii) isolated from wild animals and already characterised as resistant to β-lactam antibiotics. METHODS The ciprofloxacin MIC was determined according to CLSI guidelines. A biofilm formation assay was performed by a modified microtitre plate method. Bacterial surface hydrophobicity was assessed by sessile drop contact angle measurement. RESULTS All Aeromonas spp. strains were resistant to ciprofloxacin (MICs of 6-60μg/mL) and had hydrophilic surfaces (range 2-37mJ/m2). These strains were able to adhere and form biofilms with distinct magnitudes. Biofilm exposure to 10×MIC of ciprofloxacin only caused low to moderate biofilm removal. CONCLUSIONS This study shows that the strains tested are of potential public health concern and emphasises that wild animals are potential reservoirs of multidrug-resistant strains. In fact, Aeromonas spp. are consistently considered opportunistic pathogens. Moreover, bacterial ability to form biofilms increases antimicrobial resistance and the propensity to cause persistent infections.
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Affiliation(s)
- Carla Dias
- LEPABE, Department of Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal; CECAV, Veterinary and Animal Science Research Center, University of Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal; CITAB, Centre for the Research and Technology for Agro-Environment and Biological Sciences, University of Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal
| | - Anabela Borges
- LEPABE, Department of Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal; CECAV, Veterinary and Animal Science Research Center, University of Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal; CIQUP, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Maria José Saavedra
- CECAV, Veterinary and Animal Science Research Center, University of Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal; CITAB, Centre for the Research and Technology for Agro-Environment and Biological Sciences, University of Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal; Department of Veterinary Sciences, School of Agriculture and Veterinary Science, University of Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal
| | - Manuel Simões
- LEPABE, Department of Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal.
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Abstract
We report here the draft genome sequence of Aeromonas sp. strain EERV15 isolated from sand filter. The organism most closely related to Aeromonas sp. EERV15 is Aeromonas veronii B565, with an average 83% amino acid sequence similarity of putatively encoded protein open reading frames.
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Igbinosa IH, Igbinosa EO, Okoh AI. Antibiogram characterization and putative virulence genes in Aeromonas species isolated from pig fecal samples. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:12199-205. [PMID: 26971520 DOI: 10.1007/s11356-016-6421-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Accepted: 03/03/2016] [Indexed: 05/12/2023]
Abstract
Aeromonas species are broadly distributed in nature and agricultural environments and have been isolated from feces, bedding, and drinking water of healthy pigs. We assessed the incidence, virulence properties, and antimicrobial resistance profile of Aeromonas spp., isolated from pig feces. Antibiogram was done using the disc diffusion methods, and polymerase chain reaction was used for the detection of putative virulence genes. Identification of isolates revealed three phenotypic species with percentage distribution as follows: Aeromonas hydrophila 23 (45.1 %), Aeromonas caviae 16 (31.4 %), and Aeromonas sobria 12 (23.5 %). All Aeromonas isolates in the study were absolutely susceptible to cefotaxime and resistant to penicillin. A. cavaie and A. sobria demonstrated absolute susceptibility against ciprofloxacin and streptomycin. Aeromonas species showed varied susceptibility to cephalothin as follows: A. hydrophila 78.3 %, A. cavaie 93.7 %, and A. sobria 91.7 %. The percentage distribution of virulence genes among Aeromonas isolates were as follows: Aerolysin (aer) 74.5 %, flagellin gene (fla) 68.6 %, cytotoxin (hly A) 43.1 %, lipase (lip) 39.2 %, enterotoxic activities (ast) 31.3 %, and cytotonic gene (alt) 13.7 %. Reports from this study shows that Aeromonas species isolated from pig fecal samples are multi-drug resistant and possess virulence potential which may result to possible risk of human or animal infection and likely contamination of food and water from this sources.
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Affiliation(s)
- Isoken H Igbinosa
- SA-MRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, 5700, South Africa.
- Department of Environmental Management and Toxicology, Faculty of Life Science University of Benin, Private Mail Bag 1154, Benin City, 300283, Nigeria.
| | - Etinosa O Igbinosa
- SA-MRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, 5700, South Africa
- Department of Microbiology, Faculty of life Sciences, University of Benin, Private Mail Bag 1154, Benin City, 300283, Nigeria
| | - Anthony I Okoh
- SA-MRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, 5700, South Africa
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Igbinosa IH, Igbinosa EO, Okoh AI. Detection of antibiotic resistance, virulence gene determinants and biofilm formation in Aeromonas species isolated from cattle. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:17596-17605. [PMID: 26143545 DOI: 10.1007/s11356-015-4934-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2015] [Accepted: 06/22/2015] [Indexed: 06/04/2023]
Abstract
This study aimed to assess the antibiogram of Aeromonas strains recovered from cattle faeces and the potential pathogenic status of the isolates. The antibiogram of the Aeromonas isolates demonstrated total resistance to clindamycin oxacillin, trimethoprim, novobiocin and ticarcillin. However, Aeromonas strains were sensitive to cefotaxime, oxytetracycline and tobramycin. The Aeromonas strains from Lovedale and Fort Cox farms were found to possess some virulence genes. The percentage distribution was aer 71.4%, ast 35.7%, fla 60.7%, lip 35.7% and hlyA 25% for Lovedale farm and aer 63.1%, alt 10.5%, ast 55.2%, fla 78.9%, lip 21% and hlyA 35.9% for Fort Cox farm. Class 1 integron was present in 27% of Aeromonas isolates; the bla TEM gene was present in 34.8%, while the blaP1 class A β-lactamase gene was detected in 12.1% of the isolates. Approximately 86% of the isolates formed a biofilm on microtitre plates. The presence of multiple antibiotic resistance and virulence genes in Aeromonas isolates from cattle faeces reveals the pathogenic and infectious importance of these isolates and is of great significance to public health. The possession of a biofilm-forming capability by such isolates may lead to difficulty during the management of infection related to Aeromonas species.
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Affiliation(s)
- Isoken H Igbinosa
- SA-MRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, South Africa.
- Department of Medical Microbiology, Faculty of Health Sciences, University of Pretoria, Private Bag X323, Pretoria, 0001, South Africa.
| | - Etinosa O Igbinosa
- SA-MRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, South Africa.
- Department of Microbiology, Faculty of Life Sciences, University of Benin, Private Mail Bag 1154, Benin, 300001, Nigeria.
| | - Anthony I Okoh
- SA-MRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, South Africa.
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Odeyemi OA, Ahmad A. Antibiotic resistance profiling and phenotyping of Aeromonas species isolated from aquatic sources. Saudi J Biol Sci 2015; 24:65-70. [PMID: 28053573 PMCID: PMC5198916 DOI: 10.1016/j.sjbs.2015.09.016] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2015] [Revised: 09/08/2015] [Accepted: 09/09/2015] [Indexed: 11/19/2022] Open
Abstract
This study aimed to investigate antibiotics resistance pattern and phenotyping of Aeromonas species isolated from different aquatic sources in Melaka, Malaysia. A total of 53 Aeromonas species were isolated from the following sources: sediment (n = 13), bivalve (n = 10), sea cucumber (n = 16) and sea water (n = 14) and resistance to 12 antibiotics – Tetracycline (30 μg), Kanamycin (30 μg), Oxytetracycline (30 μg), Ampicillin (10 μg), Streptomycin (10 μg), Gentamicin (10 μg), Sulphamethoxazole (25 μg), Nalixidic acid (30 μg), Trimethoprim (1.25 μg), Novobiocin (5 μg), Penicilin (10 μg) and Chloramphenicol (10 μg) was tested. The results obtained from this study reveal multi drug resistance pattern among the isolates. All the isolates were completely resistant to Ampicillin, Novobiocin, Sulphamethoxazole and Trimethoprim, respectively but susceptible to Tetracycline (100%), Kanamycin (5.7%), Gentamicin (5.7%) and Oxytetracycline (24.5%). Antibiotics phenotyping of the bacteria revealed 21 different phenotypes among the isolates.
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Affiliation(s)
- Olumide A. Odeyemi
- Ecology and Biodiversity, Institute of Marine and Antarctic Studies (IMAS), University of Tasmania, Launceston, Australia
- School of Biosciences and Biotechnology, National University of Malaysia, Malaysia
- Corresponding author at: Ecology and Biodiversity, Institute of Marine and Antarctic Studies (IMAS), University of Tasmania, Launceston, Australia.Ecology and BiodiversityInstitute of Marine and Antarctic Studies (IMAS)University of TasmaniaLaunceston, Australia
| | - Asmat Ahmad
- School of Biosciences and Biotechnology, National University of Malaysia, Malaysia
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Piotrowska M, Popowska M. Insight into the mobilome of Aeromonas strains. Front Microbiol 2015; 6:494. [PMID: 26074893 PMCID: PMC4444841 DOI: 10.3389/fmicb.2015.00494] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Accepted: 05/05/2015] [Indexed: 11/13/2022] Open
Abstract
The mobilome is a pool of genes located within mobile genetic elements (MGE), such as plasmids, IS elements, transposons, genomic/pathogenicity islands, and integron-associated gene cassettes. These genes are often referred to as “flexible” and may encode virulence factors, toxic compounds as well as resistance to antibiotics. The phenomenon of MGE transfer between bacteria, known as horizontal gene transfer (HGT), is well documented. The genes present on MGE are subject to continuous processes of evolution and environmental changes, largely induced or significantly accelerated by man. For bacteria, the only chance of survival in an environment contaminated with toxic chemicals, heavy metals and antibiotics is the acquisition of genes providing the ability to survive in such conditions. The process of acquiring and spreading antibiotic resistance genes (ARG) is of particular significance, as it is important for the health of humans and animals. Therefore, it is important to thoroughly study the mobilome of Aeromonas spp. that is widely distributed in various environments, causing many diseases in fishes and humans. This review discusses the recently published information on MGE prevalent in Aeromonas spp. with special emphasis on plasmids belonging to different incompatibility groups, i.e., IncA/C, IncU, IncQ, IncF, IncI, and ColE-type. The vast majority of plasmids carry a number of different transposons (Tn3, Tn21, Tn1213, Tn1721, Tn4401), the 1st, 2nd, or 3rd class of integrons, IS elements (e.g., IS26, ISPa12, ISPa13, ISKpn8, ISKpn6) and encode determinants such as antibiotic and mercury resistance genes, as well as virulence factors. Although the actual role of Aeromonas spp. as a human pathogen remains controversial, species of this genus may pose a serious risk to human health. This is due to the considerable potential of their mobilome, particularly in terms of antibiotic resistance and the possibility of the horizontal transfer of resistance genes.
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Affiliation(s)
- Marta Piotrowska
- Department of Applied Microbiology, Institute of Microbiology, Faculty of Biology, University of Warsaw Warsaw, Poland
| | - Magdalena Popowska
- Department of Applied Microbiology, Institute of Microbiology, Faculty of Biology, University of Warsaw Warsaw, Poland
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Dias C, Serra CR, Simões LC, Simões M, Martinez-Murcia A, Saavedra MJ. Extended-spectrum β-lactamase and carbapenemase-producing Aeromonas species in wild animals from Portugal. Vet Rec 2014; 174:532. [PMID: 24728490 DOI: 10.1136/vr.101803] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- C Dias
- Veterinary and Animal Science Research Centre, Carla Dias, Centre for the Research and Technology for Agro-Environment and Biological Sciences, University of Trás-os-Montes e Alto Douro, Vila Real 5000-801, Portugal
| | - C R Serra
- Veterinary and Animal Science Research Centre, Carla Dias, Centre for the Research and Technology for Agro-Environment and Biological Sciences, University of Trás-os-Montes e Alto Douro, Vila Real 5000-801, Portugal
| | - L C Simões
- IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University of Minho, Braga 4710-057, Portugal LEPAE - Department of Chemical Engineering, Faculty of Engineering, University of Porto, Porto 4200-465, Portugal
| | - M Simões
- LEPAE - Department of Chemical Engineering, Faculty of Engineering, University of Porto, Porto 4200-465, Portugal
| | - A Martinez-Murcia
- Area de Microbiología, EPSO, Universidad Miguel Hernández, Orihuela E-03300, Alicante, Spain
| | - M J Saavedra
- Veterinary and Animal Science Research Centre, Carla Dias, Centre for the Research and Technology for Agro-Environment and Biological Sciences, University of Trás-os-Montes e Alto Douro, Vila Real 5000-801, Portugal Department of Veterinary Sciences, School of Agriculture and Veterinary Science, University of Trás-os-Montes e Alto Douro, Vila Real 5000-801, Portugal
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Scientific Opinion on the public health hazards to be covered by inspection of meat from farmed game. EFSA J 2013. [DOI: 10.2903/j.efsa.2013.3264] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
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Igbinosa IH, Igumbor EU, Aghdasi F, Tom M, Okoh AI. Emerging Aeromonas species infections and their significance in public health. ScientificWorldJournal 2012; 2012:625023. [PMID: 22701365 PMCID: PMC3373137 DOI: 10.1100/2012/625023] [Citation(s) in RCA: 199] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Accepted: 03/20/2012] [Indexed: 12/28/2022] Open
Abstract
Aeromonas species are ubiquitous bacteria in terrestrial and aquatic milieus. They are becoming renowned as enteric pathogens of serious public health concern as they acquire a number of virulence determinants that are linked with human diseases, such as gastroenteritis, soft-tissue, muscle infections, septicemia, and skin diseases. Proper sanitary procedures are essential in the prevention of the spread of Aeromonas infections. Oral fluid electrolyte substitution is employed in the prevention of dehydration, and broad-spectrum antibiotics are used in severe Aeromonas outbreaks. This review presents an overview of emerging Aeromonas infections and proposes the need for actions necessary for establishing adequate prevention measures against the infections.
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Affiliation(s)
- Isoken H. Igbinosa
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa
| | - Ehimario U. Igumbor
- School of Public Health, University of the Western Cape, Bellville 7535, Cape Town, South Africa
| | - Farhad Aghdasi
- Risk and Vulnerability Assessment Centre, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa
| | - Mvuyo Tom
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa
| | - Anthony I. Okoh
- Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa
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Abstract
Over the past decade, the genus Aeromonas has undergone a number of significant changes of practical importance to clinical microbiologists and scientists alike. In parallel with the molecular revolution in microbiology, several new species have been identified on a phylogenetic basis, and the genome of the type species, A. hydrophila ATCC 7966, has been sequenced. In addition to established disease associations, Aeromonas has been shown to be a significant cause of infections associated with natural disasters (hurricanes, tsunamis, and earthquakes) and has been linked to emerging or new illnesses, including near-drowning events, prostatitis, and hemolytic-uremic syndrome. Despite these achievements, issues still remain regarding the role that Aeromonas plays in bacterial gastroenteritis, the extent to which species identification should be attempted in the clinical laboratory, and laboratory reporting of test results from contaminated body sites containing aeromonads. This article provides an extensive review of these topics, in addition to others, such as taxonomic issues, microbial pathogenicity, and antimicrobial resistance markers.
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