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Pang H, Zhang W, Lin X, Zeng F, Xiao X, Wei Z, Wang S, Jian J, Wang N, Li W. Vibrio alginolyticus PEPCK Mediates Florfenicol Resistance through Lysine Succinylation Modification. J Proteome Res 2024; 23:2397-2407. [PMID: 38904328 DOI: 10.1021/acs.jproteome.4c00085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Protein succinylation modification is a common post-translational modification (PTM) that plays an important role in bacterial metabolic regulation. In this study, quantitative analysis was conducted on the succinylated proteome of wild-type and florfenicol-resistant Vibrio alginolyticus to investigate the mechanism of succinylation regulating antibiotic resistance. Bioinformatic analysis showed that the differentially succinylated proteins were mainly enriched in energy metabolism, and it was found that the succinylation level of phosphoenolpyruvate carboxyl kinase (PEPCK) was highly expressed in the florfenicol-resistant strain. Site-directed mutagenesis was used to mutate the lysine (K) at the succinylation site of PEPCK to glutamic acid (E) and arginine (R), respectively, to investigate the function of lysine succinylation of PEPCK in the florfenicol resistance of V. alginolyticus. The detection of site-directed mutagenesis strain viability under florfenicol revealed that the survival rate of the E mutant was significantly higher than that of the R mutant and wild type, indicating that succinylation modification of PEPCK protein may affect the resistance of V. alginolyticus to florfenicol. This study indicates the important role of PEPCK during V. alginolyticus antibiotic-resistance evolution and provides a theoretical basis for the prevention and control of vibriosis and the development of new antibiotics.
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Affiliation(s)
- Huanying Pang
- Fisheries College, Guangdong Ocean University, Zhanjiang 524025, China
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture and Key Laboratory of Control for Diseases of Aquatic Economic Animals of Guangdong Higher Education Institutes, Zhanjiang 524025, Guangdong, China
| | - Weijie Zhang
- Fisheries College, Guangdong Ocean University, Zhanjiang 524025, China
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture and Key Laboratory of Control for Diseases of Aquatic Economic Animals of Guangdong Higher Education Institutes, Zhanjiang 524025, Guangdong, China
| | - Xuelian Lin
- Fisheries College, Guangdong Ocean University, Zhanjiang 524025, China
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture and Key Laboratory of Control for Diseases of Aquatic Economic Animals of Guangdong Higher Education Institutes, Zhanjiang 524025, Guangdong, China
| | - Fuyuan Zeng
- Fisheries College, Guangdong Ocean University, Zhanjiang 524025, China
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture and Key Laboratory of Control for Diseases of Aquatic Economic Animals of Guangdong Higher Education Institutes, Zhanjiang 524025, Guangdong, China
| | - Xing Xiao
- Fisheries College, Guangdong Ocean University, Zhanjiang 524025, China
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture and Key Laboratory of Control for Diseases of Aquatic Economic Animals of Guangdong Higher Education Institutes, Zhanjiang 524025, Guangdong, China
| | - Zhiqing Wei
- Fisheries College, Guangdong Ocean University, Zhanjiang 524025, China
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture and Key Laboratory of Control for Diseases of Aquatic Economic Animals of Guangdong Higher Education Institutes, Zhanjiang 524025, Guangdong, China
| | - Shi Wang
- Fisheries College, Guangdong Ocean University, Zhanjiang 524025, China
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture and Key Laboratory of Control for Diseases of Aquatic Economic Animals of Guangdong Higher Education Institutes, Zhanjiang 524025, Guangdong, China
| | - Jichang Jian
- Fisheries College, Guangdong Ocean University, Zhanjiang 524025, China
- Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture and Key Laboratory of Control for Diseases of Aquatic Economic Animals of Guangdong Higher Education Institutes, Zhanjiang 524025, Guangdong, China
| | - Na Wang
- Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Wanxin Li
- School of Public Health, Fujian Medical University, Fujian 350122, China
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2
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Mavhungu M, Digban TO, Nwodo UU. Incidence and Virulence Factor Profiling of Vibrio Species: A Study on Hospital and Community Wastewater Effluents. Microorganisms 2023; 11:2449. [PMID: 37894107 PMCID: PMC10609040 DOI: 10.3390/microorganisms11102449] [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: 08/21/2023] [Revised: 09/15/2023] [Accepted: 09/26/2023] [Indexed: 10/29/2023] Open
Abstract
This study aimed to determine the incidence and virulence factor profiling of Vibrio species from hospital wastewater (HWW) and community wastewater effluents. Wastewater samples from selected sites were collected, processed, and analysed presumptively by the culture dependent methods and molecular techniques. A total of 270 isolates were confirmed as Vibrio genus delineating into V. cholerae (27%), V. parahaemolyticus (9.1%), V. vulnificus (4.1%), and V. fluvialis (3%). The remainder (>50%) may account for other Vibrio species not identified in the study. The four Vibrio species were isolated from secondary hospital wastewater effluent (SHWE), while V. cholerae was the sole specie isolated from Limbede community wastewater effluent (LCWE) and none of the four Vibrio species was recovered from tertiary hospital wastewater effluent (THWE). However, several virulence genes were identified among V. cholerae isolates from SHWE: ToxR (88%), hylA (81%), tcpA (64%), VPI (58%), ctx (44%), and ompU (34%). Virulence genes factors among V. cholerae isolates from LCWE were: ToxR (78%), ctx (67%), tcpA (44%), and hylA (44%). Two different genes (vfh and hupO) were identified in all confirmed V. fluvialis isolates. Among V. vulnificus, vcgA (50%) and vcgB (67%) were detected. In V. parahaemolyticus, tdh (56%) and tlh (100%) were also identified. This finding reveals that the studied aquatic niches pose serious potential health risk with Vibrio species harbouring virulence signatures. The distribution of virulence genes is valuable for ecological site quality, as well as epidemiological marker in the control and management of diseases caused by Vibrio species. Regular monitoring of HWW and communal wastewater effluent would allow relevant establishments to forecast, detect, and mitigate any public health threats in advance.
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Affiliation(s)
- Mashudu Mavhungu
- Patho-Biocatalysis Group, Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa (T.O.D.)
- Department of Biochemistry and Microbiology, University of Fort Hare, Alice 5700, South Africa
| | - Tennison O. Digban
- Patho-Biocatalysis Group, Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa (T.O.D.)
- Department of Biochemistry and Microbiology, University of Fort Hare, Alice 5700, South Africa
| | - Uchechukwu U. Nwodo
- Patho-Biocatalysis Group, Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa (T.O.D.)
- Department of Biochemistry and Microbiology, University of Fort Hare, Alice 5700, South Africa
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3
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Geng XY, Wang MK, Chen JH, Xiao L, Yang JS. Marine biological injuries and their medical management: A narrative review. World J Biol Chem 2023; 14:1-12. [PMID: 36741876 PMCID: PMC9896478 DOI: 10.4331/wjbc.v14.i1.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/29/2022] [Accepted: 12/14/2022] [Indexed: 01/20/2023] Open
Abstract
The marine environment can be extremely dangerous, and the harm caused by marine organisms when they contact the human body can be especially harmful, even deadly. Contact includes stings, bites, wounds, and consumption as food. In this article, the characteristics of the common marine biological injuries are summarized, the major marine organisms causing damage in China’s marine waters are described, and injury prevention and treatment methods are discussed.
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Affiliation(s)
- Xiao-Yu Geng
- Naval Medical Center of PLA, Naval Medical University, Shanghai 200052, China
| | - Ming-Ke Wang
- Naval Medical Center of PLA, Naval Medical University, Shanghai 200052, China
| | - Jin-Hong Chen
- Naval Medical Center of PLA, Naval Medical University, Shanghai 200052, China
| | - Liang Xiao
- Faculty of Naval Medicine, Naval Medical University, Shanghai 200433, China
| | - Ji-Shun Yang
- Naval Medical Center of PLA, Naval Medical University, Shanghai 200052, China
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Bacterial Communities and Antibiotic Resistance of Potential Pathogens Involved in Food Safety and Public Health in Fish and Water of Lake Karla, Thessaly, Greece. Pathogens 2022; 11:pathogens11121473. [PMID: 36558807 PMCID: PMC9785323 DOI: 10.3390/pathogens11121473] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 11/30/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Bacterial communities, microbial populations, and antibiotic resistance of potential pathogens in the water and fish (Cyprinus carpio, flesh and gut) from different areas (A1, A2 and A3-A1 was linked with river water, A2 with cattle activity, and A3 with waters of a spring after heavy rains) of Lake Karla (Thessaly, Central Greece) were investigated. The isolated bacteria were identified using Matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) and were tested for resistance in 21 antibiotics. The microbiota composition of fish flesh was also studied using 16S amplicon-based sequencing Serratia fonticola and several species of Aeromonas (e.g., Aeromonas salmonicida, Aeromonas bestiarium, Aeromonas veronii, etc.) exhibited the highest abundances in all studied samples, while the microbiota profile between the three studied areas was similar, according to the culture-dependent analysis. Of them, S. fonticola was found to be resistant in the majority of the antibiotics for the water and fish (gut and flesh), mainly of the areas A1 and A2. Regarding 16S metabarcoding, the presence of Serratia and Aeromonas at genus level was confirmed, but they found at very lower abundances than those reported using the culture-dependent analysis. Finally, the TVC and the rest of the studied microbiological parameters were found at acceptable levels (4 log cfu/mL or cfu/g and 2-4 log cfu/mL or cfu/g, extremely low levels of E. coli/coliforms) in both water and fish flesh. Based on our findings, the water of Lake Karla would be used for activities such as irrigation, recreation and fishing, however, the development and implementation of a quality management tool for Lake Karla, to ensure environmental hygiene and prevention of zoonosis during the whole year, is imperative.
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Ekonomou S, Parlapani F, Kyritsi M, Hadjichristodoulou C, Boziaris I. Preservation status and microbial communities of vacuum-packed hot smoked rainbow trout fillets. Food Microbiol 2022; 103:103959. [DOI: 10.1016/j.fm.2021.103959] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 11/05/2021] [Accepted: 11/29/2021] [Indexed: 01/22/2023]
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6
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Zgouridou A, Tripidaki E, Giantsis IA, Theodorou JA, Kalaitzidou M, Raitsos DE, Lattos A, Mavropoulou AM, Sofianos S, Karagiannis D, Chaligiannis I, Anestis A, Papadakis N, Feidantsis K, Mintza D, Staikou A, Michaelidis B. The current situation and potential effects of climate change on the microbial load of marine bivalves of the Greek coastlines: an integrative review. Environ Microbiol 2021; 24:1012-1034. [PMID: 34499795 DOI: 10.1111/1462-2920.15765] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Accepted: 09/04/2021] [Indexed: 01/22/2023]
Abstract
Global warming affects the aquatic ecosystems, accelerating pathogenic microorganisms' and toxic microalgae's growth and spread in marine habitats, and in bivalve molluscs. New parasite invasions are directly linked to oceanic warming. Consumption of pathogen-infected molluscs impacts human health at different rates, depending, inter alia, on the bacteria taxa. It is therefore necessary to monitor microbiological and chemical contamination of food. Many global cases of poisoning from bivalve consumption can be traced back to Mediterranean regions. This article aims to examine the marine bivalve's infestation rate within the scope of climate change, as well as to evaluate the risk posed by climate change to bivalve welfare and public health. Biological and climatic data literature review was performed from international scientific sources, Greek authorities and State organizations. Focusing on Greek aquaculture and bivalve fisheries, high-risk index pathogenic parasites and microalgae were observed during summer months, particularly in Thermaikos Gulf. Considering the climate models that predict further temperature increases, it seems that marine organisms will be subjected in the long term to higher temperatures. Due to the positive linkage between temperature and microbial load, the marine areas most affected by this phenomenon are characterized as 'high risk' for consumer health.
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Affiliation(s)
- Aikaterini Zgouridou
- Department of Zoology, School of Biology, Faculty of Science, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece
| | - Eirini Tripidaki
- Department of Zoology, School of Biology, Faculty of Science, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece
| | - Ioannis A Giantsis
- Department of Animal Science, Faculty of Agricultural Sciences, University of Western Macedonia, Florina, 53100, Greece
| | - John A Theodorou
- Department Animal Production Fisheries and Aquaculture, University of Patras, Messolonghi, Greece
| | - Maria Kalaitzidou
- National Reference Laboratory for Marine Biotoxins, Department of Food Microbiology, Biochemical Control, Residues, Marine Biotoxins and Other Water Toxins, Directorate of Veterinary Center of Thessaloniki, Ministry of Rural Development and Food, Thessaloniki, Greece
| | - Dionysios E Raitsos
- Department of Biology, National and Kapodistrian University of Athens, Panepistimiopolis, Athens, Greece
| | - Athanasios Lattos
- Department of Zoology, School of Biology, Faculty of Science, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece
| | - Apostolia-Maria Mavropoulou
- Department of Physics, Section of Environmental Physics and Meteorology, National and Kapodistrian University of Athens, Athens, Greece
| | - Sarantis Sofianos
- Department of Physics, Section of Environmental Physics and Meteorology, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitrios Karagiannis
- National Reference Laboratory for Mollusc Diseases, Ministry of Rural Development and Food, Thessaloniki, 54627, Greece
| | - Ilias Chaligiannis
- Department of Zoology, School of Biology, Faculty of Science, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece.,Hellenic Agricultural Organisation-DEMETER, Veterinary Research Institute of Thessaloniki, Campus of Thermi, 570 01, Thermi, Greece
| | - Andreas Anestis
- Laboratory of Hygiene, Social - Preventive Medicine and Medical Statistics, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Nikos Papadakis
- Laboratory of Hygiene, Social - Preventive Medicine and Medical Statistics, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Konstantinos Feidantsis
- Department of Zoology, School of Biology, Faculty of Science, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece
| | - Dionysia Mintza
- Department of Fishery Products, Milk and Other Food of Animal Origin, Ministry of Rural Development and Food of Greece, Athens, Greece
| | - Alexandra Staikou
- Department of Zoology, School of Biology, Faculty of Science, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece
| | - Basile Michaelidis
- Department of Zoology, School of Biology, Faculty of Science, Aristotle University of Thessaloniki, Thessaloniki, GR-54124, Greece
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Yang MJ, Xu D, Yang DX, Li L, Peng XX, Chen ZG, Li H. Malate enhances survival of zebrafish against Vibrio alginolyticus infection in the same manner as taurine. Virulence 2021; 11:349-364. [PMID: 32316833 PMCID: PMC7199751 DOI: 10.1080/21505594.2020.1750123] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Development of low-cost and eco-friendly approaches to fight bacterial pathogens is especially needed in aquaculture. We previously showed that exogenous malate reprograms zebrafish’s metabolome to potentiate zebrafish survival against Vibrio alginolyticus infection. However, the underlying mechanism is unknown. Here, we use GC-MS based metabolomics to identify the malate-triggered metabolic shift. An activated TCA cycle and elevated taurine are identified as the key metabolic pathways and the most crucial biomarker of the reprogrammed metabolome, respectively. Taurine elevation is attributed to the activated TCA cycle, which is further supported by the increased expression of genes in the metabolic pathway of taurine biosynthesis from the isocitrate of the TCA cycle to taurine. Exogenous taurine increases the survival of zebrafish against V. alginolyticus infection as malate did. Moreover, exogenous taurine and malate regulate the expression of innate immunity genes and promote the generation of reactive oxygen species and nitrogen oxide in a similar way. The two metabolites can alleviate the excessive immune response to bacterial challenge, which protects fish from bacterial infection. These results indicate that malate enhances the survival of zebrafish to V. alginolyticus infection via taurine. Thus, our study highlights a metabolic approach to enhance a host’s ability to fight bacterial infection.
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Affiliation(s)
- Man-Jun Yang
- Center for Proteomics and Metabolomics, State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou, People's Republic of China.,Laboratory for Marine Fisheries Science and Food Production Processes, National Laboratory for Marine Science and Technology, Qingdao, China.,Tibet Vocational Technical College, Lhasha, People's Republic of China
| | - Di Xu
- Center for Proteomics and Metabolomics, State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou, People's Republic of China
| | - Dai-Xiao Yang
- Center for Proteomics and Metabolomics, State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou, People's Republic of China
| | - Lu Li
- Center for Proteomics and Metabolomics, State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou, People's Republic of China
| | - Xuan-Xian Peng
- Center for Proteomics and Metabolomics, State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou, People's Republic of China.,Laboratory for Marine Fisheries Science and Food Production Processes, National Laboratory for Marine Science and Technology, Qingdao, China
| | - Zhuang-Gui Chen
- Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, People's Republic of China
| | - Hui Li
- Center for Proteomics and Metabolomics, State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou, People's Republic of China.,Laboratory for Marine Fisheries Science and Food Production Processes, National Laboratory for Marine Science and Technology, Qingdao, China
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8
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Characterisation of Vibrio Species from Surface and Drinking Water Sources and Assessment of Biocontrol Potentials of Their Bacteriophages. Int J Microbiol 2020; 2020:8863370. [PMID: 32831847 PMCID: PMC7424396 DOI: 10.1155/2020/8863370] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 07/07/2020] [Accepted: 07/17/2020] [Indexed: 01/22/2023] Open
Abstract
The aim of this study was to characterise Vibrio species of water samples collected from taps, boreholes, and dams in the North West province, South Africa, and assess biocontrol potentials of their bacteriophages. Fifty-seven putative Vibrio isolates were obtained on thiosulfate-citrate-bile-salt-sucrose agar and identified using biochemical tests and species-specific PCRs. Isolates were further characterised based on the presence of virulence factors, susceptibility to eleven antibiotics, and biofilm formation potentials. Twenty-two (38.60%) isolates were confirmed as Vibrio species, comprising V. harveyi (45.5%, n = 10), V. parahaemolyticus (22.7%, n = 5), V. cholerae (13.6%, n = 3), V. mimicus (9.1%, n = 2), and V. vulnificus (9.1%, n = 2). Three of the six virulent genes screened were positively amplified; four V. parahaemolyticus possessed the tdh (18.18%) and trh (18.18%) genes, while the zot gene was harboured by 3 V. cholerae (13.64%) and one V. mimicus (4.55%) isolate. Isolates revealed high levels of resistance to cephalothin (95.45%), ampicillin (77.27%), and streptomycin (40.91%), while lower resistances (4.55%–27.27%) were recorded for other antimicrobials. Sixteen (72.7%) isolates displayed multiple antibiotic-resistant properties. Cluster analysis of antibiotic resistance revealed a closer relationship between Vibrio isolates from different sampling sites. The Vibrio species displayed biofilm formation potentials at 37°C (63.6, n = 14), 35°C (50%, n = 11), and 25°C (36.4%, n = 8). Two phages isolated in this study (vB_VpM_SA3V and vB_VcM_SA3V) were classified as belonging to the family Myoviridae based on electron microscopy. These were able to lyse multidrug-resistant V. parahaemolyticus and V. cholerae strains. These findings not only indicate the presence of antibiotic-resistant virulent Vibrio species from dam, borehole, and tap water samples that could pose a health risk to humans who either come in contact with or consume water but also present these lytic phages as alternative agents that can be exploited for biological control of these pathogenic strains.
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Zhang S, Yang MJ, Peng B, Peng XX, Li H. Reduced ROS-mediated antibiotic resistance and its reverting by glucose in Vibrio alginolyticus. Environ Microbiol 2020; 22:4367-4380. [PMID: 32441046 DOI: 10.1111/1462-2920.15085] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 05/13/2020] [Indexed: 01/16/2023]
Abstract
Antibiotic-resistant Vibrio alginolyticus poses a big challenge to human health and food safety. It is urgently needed to understand the mechanisms underlying antibiotic resistance to develop effective approaches for the control. Here we explored the metabolic difference between gentamicin-resistant V. alginolyticus (VA-RGEN ) and gentamicin-sensitive V. alginolyticus (VA-S), and found that the reactive oxygen species (ROS) generation was altered. Compared with VA-S, the ROS content in VA-RGEN was reduced due to the decreased generation and increased breakdown of ROS. The decreased production of ROS was attributed to the decreased central carbon metabolism, which is associated with the resistance to gentamicin. As such a mechanism, we exogenously administrated VA-RGEN with the glucose that activated the central carbon metabolism and promoted the generation of ROS, but decreased the breakdown of ROS in VA-RGEN . The gentamicin-mediated killing was increased with the elevation of the ROS level by a synergistic effect between gentamicin and exogenous glucose. The synergistic effect was inhibited by thiourea, a scavenger of ROS. These results reveal a reduced ROS-mediated antibiotic resistance mechanism and its reversal by exogenous glucose.
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Affiliation(s)
- Song Zhang
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio-Control, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou, 510006, China
| | - Man-Jun Yang
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio-Control, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou, 510006, China
| | - Bo Peng
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio-Control, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou, 510006, China.,Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519000, China
| | - Xuan-Xian Peng
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio-Control, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou, 510006, China.,Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519000, China.,Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
| | - Hui Li
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio-Control, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou, 510006, China.,Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519000, China.,Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
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10
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Ethnic seafood products sold on the Italian market: labelling assessment and biological, chemical and physical risk characterization. Food Control 2019. [DOI: 10.1016/j.foodcont.2019.05.031] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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11
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Zhang S, Wang J, Jiang M, Xu D, Peng B, Peng X, Li H. Reduced redox‐dependent mechanism and glucose‐mediated reversal in gentamicin‐resistant
Vibrio alginolyticus. Environ Microbiol 2019; 21:4724-4739. [DOI: 10.1111/1462-2920.14811] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 09/21/2019] [Accepted: 09/24/2019] [Indexed: 01/22/2023]
Affiliation(s)
- Song Zhang
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio‐Control, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life SciencesSun Yat‐sen University, University City Guangzhou 510006 People's Republic of China
| | - Jie Wang
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio‐Control, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life SciencesSun Yat‐sen University, University City Guangzhou 510006 People's Republic of China
| | - Ming Jiang
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio‐Control, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life SciencesSun Yat‐sen University, University City Guangzhou 510006 People's Republic of China
| | - Di Xu
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio‐Control, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life SciencesSun Yat‐sen University, University City Guangzhou 510006 People's Republic of China
| | - Bo Peng
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio‐Control, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life SciencesSun Yat‐sen University, University City Guangzhou 510006 People's Republic of China
- Laboratory for Marine Fisheries Science and Food Production ProcessesQingdao National Laboratory for Marine Science and Technology Qingdao 266071 China
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) Zhuhai 519000 China
| | - Xuan‐xian Peng
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio‐Control, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life SciencesSun Yat‐sen University, University City Guangzhou 510006 People's Republic of China
- Laboratory for Marine Fisheries Science and Food Production ProcessesQingdao National Laboratory for Marine Science and Technology Qingdao 266071 China
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) Zhuhai 519000 China
| | - Hui Li
- Center for Proteomics and Metabolomics, State Key Laboratory of Bio‐Control, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life SciencesSun Yat‐sen University, University City Guangzhou 510006 People's Republic of China
- Laboratory for Marine Fisheries Science and Food Production ProcessesQingdao National Laboratory for Marine Science and Technology Qingdao 266071 China
- Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) Zhuhai 519000 China
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Liu SR, Peng XX, Li H. Metabolic mechanism of ceftazidime resistance in Vibrio alginolyticus. Infect Drug Resist 2019; 12:417-429. [PMID: 30863124 PMCID: PMC6388739 DOI: 10.2147/idr.s179639] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Background Microbial metabolism confounds antibiotic efficacy. However, information regarding effect of metabolism on cephalosporin antibiotics-mediated killing and Vibrio spp is largely absence, although the drugs are widely used in clinic and the bacteria are pathogens to both human and aquaculture animals. Purpose This study explores the metabolome of cephalosporin antibiotic-resistant Vibrio alginolyticus and analyzes the role of bacterial metabolism in drug and multidrug-resistance. Results The metabolomes of isogenic ceftazidime-resistant V. alginolyticus (VA-RCAZ) and ceftazidime-sensitive V. alginolyticus (VA-S) were analyzed using gas chromatography -mass spectrometry. The metabolome of VA-RCAZ is characterized by inefficient respiration, an inefficient pyruvate cycle (P cycle), increased biosynthesis of fatty acids and decreased membrane proton motive force. This hypothesis was confirmed by the fact that furfural and malonate, inhibitors of pyruvate dehydrogenase and succinate dehydrogenase (P cycle enzymes), respectively, increased resistance of VA-RCAZ to antibiotics, while exposure to triclosan, to inhibit biosynthesis of fatty acids, decreased resistance. Conclusion These results contribute to our understanding of mechanisms of bacterial antibiotic-resistance and may lead to more effective approaches to treat, manage or prevent infections caused by antibiotic-resistant pathogens including those of the Vibrio species.
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Affiliation(s)
- Shi-Rao Liu
- Center for Proteomics and Metabolomics, State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou 510006, People's Republic of China, ;
| | - Xuan-Xian Peng
- Center for Proteomics and Metabolomics, State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou 510006, People's Republic of China, ; .,Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, People's Republic of China,
| | - Hui Li
- Center for Proteomics and Metabolomics, State Key Laboratory of Biocontrol, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, School of Life Sciences, Sun Yat-sen University, University City, Guangzhou 510006, People's Republic of China, ;
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Yang J, Zeng ZH, Yang MJ, Cheng ZX, Peng XX, Li H. NaCl promotes antibiotic resistance by reducing redox states in Vibrio alginolyticus. Environ Microbiol 2018; 20:4022-4036. [PMID: 30307102 DOI: 10.1111/1462-2920.14443] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 09/27/2018] [Accepted: 10/05/2018] [Indexed: 01/22/2023]
Abstract
The development of antibiotic resistance in Vibrio alginolyticus represents a threat to human health and fish farming. Environmental NaCl regulation of bacterial physiology is well documented, but whether the regulation contributes to antibiotic resistance remains unknown. To explore this, we compared minimum inhibitory concentration (MIC) of V. alginolyticus cultured in different media with 0.5%-10% NaCl, and found that the MIC increased as the NaCl concentration increased, especially for aminoglycoside antibiotics. Consistent with this finding, internal NaCl also increased, while intracellular gentamicin level decreased. GC-MS-based metabolomics showed different distributions of pyruvate cycle intermediates among 0.5%, 4% and 10% NaCl. Differential activity of enzymes in the pyruvate cycle and altered expression of Na(+)-NQR led to a reducing redox state, characterized by decreased levels of NADH, proton motive force (PMF) and ATP. Meanwhile, NaCl negatively regulated PMF as a consequence of the reducing redox state. These together are responsible for the decreased intracellular gentamicin level with the increased external level of NaCl. Our study reveals a previously unknown redox state-dependent mechanism regulated by NaCl in V. alginolyticus that impacts antibiotic resistance.
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Affiliation(s)
- Jun Yang
- Center for Proteomics, State Key Laboratory of Bio-Control, School of Life Sciences, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, Sun Yat-sen University, University City, Guangzhou, 510006, People's Republic of China
| | - Zao-Hai Zeng
- Center for Proteomics, State Key Laboratory of Bio-Control, School of Life Sciences, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, Sun Yat-sen University, University City, Guangzhou, 510006, People's Republic of China
| | - Man-Jun Yang
- Center for Proteomics, State Key Laboratory of Bio-Control, School of Life Sciences, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, Sun Yat-sen University, University City, Guangzhou, 510006, People's Republic of China
| | - Zhi-Xue Cheng
- Center for Proteomics, State Key Laboratory of Bio-Control, School of Life Sciences, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, Sun Yat-sen University, University City, Guangzhou, 510006, People's Republic of China
| | - Xuan-Xian Peng
- Center for Proteomics, State Key Laboratory of Bio-Control, School of Life Sciences, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, Sun Yat-sen University, University City, Guangzhou, 510006, People's Republic of China
| | - Hui Li
- Center for Proteomics, State Key Laboratory of Bio-Control, School of Life Sciences, Guangdong Province Key Laboratory for Pharmaceutical Functional Genes, Sun Yat-sen University, University City, Guangzhou, 510006, People's Republic of China
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The depressed central carbon and energy metabolisms is associated to the acquisition of levofloxacin resistance in Vibrio alginolyticus. J Proteomics 2018; 181:83-91. [DOI: 10.1016/j.jprot.2018.04.002] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Revised: 02/28/2018] [Accepted: 04/02/2018] [Indexed: 01/22/2023]
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