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Zhao J, Han Y, Liu J, Li B, Li J, Li W, Shi P, Pan Y, Li A. Occurrence, distribution and potential environmental risks of pollutants in aquaculture ponds during pond cleaning in Taihu Lake Basin, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 939:173610. [PMID: 38815821 DOI: 10.1016/j.scitotenv.2024.173610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 05/26/2024] [Accepted: 05/27/2024] [Indexed: 06/01/2024]
Abstract
During the process of cleaning aquaculture ponds, the drainage contributes significantly to antibiotic pollution in the surrounding water environment. Therefore, we conducted a study on the distribution of 26 antibiotics in 57 ponds within the Taihu Lake basin. The results revealed that the detection frequency of antibiotics ranged from 1.75 % to 80.7 %, with the overall detection concentrations ranging from 3.27 to 708.72 ng/L. Among them, the detection rate of 8 antibiotics exceeded 50 %. Regarding the spatial distribution, the concentration of antibiotics was relatively high in aquaculture ponds located in the Changzhou area, with the highest concentration reaching 708.72 ng/L. This observation is likely due to the large size and intensive breeding practices in Changzhou. Fish ponds exhibited a significantly higher total antibiotic concentration of 3.27 to 445.57 ng/L compared to crab ponds (13.01 to 206.30 ng/L) and shrimp ponds (23.17 to 107.40 ng/L). Quinolones and sulfonamides were the predominant antibiotic classes found in fish ponds, accounting for 51.49 % of the total antibiotic concentration. Notably, sulfamethoxazole (SMX) and enrofloxacin (ENR) exhibited the highest antibiotic concentrations. Risk assessments demonstrated that SMX, ENR, and ofloxacin (OFX) contributed significantly to ecological risks. Furthermore, the study found that the tertiary constructed wetland treatment process achieved a remarkable removal rate of 92.44 % for antibiotics in aquaculture wastewater, while other treatment processes displayed limited effectiveness in removing antibiotics. This study addresses the knowledge gap concerning antibiotic pollution during the cleaning process of aquaculture ponds within the Taihu Lake basin.
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Affiliation(s)
- Jie Zhao
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Yuze Han
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Junzhao Liu
- Nanjing Huachuang Institute of Environmental Technology Co., Ltd, Nanjing 210023, PR China
| | - Baoju Li
- Nanjing Huachuang Institute of Environmental Technology Co., Ltd, Nanjing 210023, PR China
| | - Jun Li
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Wentao Li
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Peng Shi
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Yang Pan
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Aimin Li
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China; Nanjing University, Yancheng Academy of Environmental Protection Technology and Engineering, Yancheng 224000, PR China; Quanzhou Institute for Environmental Protection Industry, Nanjing University, Quanzhou 362008, PR China.
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Rilievo G, Cencini A, Cecconello A, Currò S, Bortoletti M, Leszczyńska K, Górska S, Fasolato L, Tonolo F, de Almeida Roger J, Vianello F, Magro M. Interactions between prokaryotic polysaccharides and colloidal magnetic nanoparticles for bacteria removal: A strategy for circumventing antibiotic resistance. Int J Biol Macromol 2024; 274:133415. [PMID: 38925181 DOI: 10.1016/j.ijbiomac.2024.133415] [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: 04/14/2024] [Revised: 06/15/2024] [Accepted: 06/23/2024] [Indexed: 06/28/2024]
Abstract
Highly stable, colloidal iron oxide nanoparticles with an oxyhydroxide-like surface were used as bacteria-capturing nano-baits. Peptidoglycan isolated from Listeria spp was used as bacteria polysaccharide model, and the nanoparticle binding was characterized showing a Langmuir isotherm constant, KL, equal to 50 ± 3 mL mg-1. The chemical affinity was further supported by dynamic light scattering, transmission electron microscopy, and infrared and UV-Vis data, pointing at the occurrence of extended, coordinative multiple point bindings. The interaction with Gram (+) (Listeria spp) and Gram (-) (Aeromonas veronii) bacteria was shown to be effective and devoid of any toxic effect. Moreover, a real sample, containing a population of several oligotrophic bacteria strains, was incubated with 1 g L-1 of nanoparticle suspension, in the absence of agitation, showing a 100 % capture efficiency, according to plate count. A nanoparticle regeneration method was developed, despite the known irreversibility of such bacterial-nanosurface binding, restoring the bacteria capture capability. This nanomaterial represents a competitive option to eliminate microbiological contamination in water as an alternative strategy to antibiotics, aimed at reducing microbial resistance dissemination. Finally, beyond their excellent features in terms of colloidal stability, binding performances, and biocompatibility this nanoparticle synthesis is cost effective, scalable, and environmentally sustainable.
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Affiliation(s)
- Graziano Rilievo
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Aura Cencini
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Alessandro Cecconello
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy.
| | - Sarah Currò
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Martina Bortoletti
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Katarzyna Leszczyńska
- Microbiome Immunobiology Laboratory, Hirszfeld Institute of Immunology and Experimental Therapy Polish Academy of Sciences, Poland
| | - Sabina Górska
- Microbiome Immunobiology Laboratory, Hirszfeld Institute of Immunology and Experimental Therapy Polish Academy of Sciences, Poland
| | - Luca Fasolato
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Federica Tonolo
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | | | - Fabio Vianello
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy
| | - Massimiliano Magro
- Department of Comparative Biomedicine and Food Science, University of Padova, Italy.
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Nasri N, Mansouri-Tehrani HA, Dini G, Keyhanfar M. Synthesis of alga-coated copper oxide nanoparticles with potential applications in shrimp farming. FISH & SHELLFISH IMMUNOLOGY 2024; 151:109754. [PMID: 38977113 DOI: 10.1016/j.fsi.2024.109754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 07/02/2024] [Accepted: 07/05/2024] [Indexed: 07/10/2024]
Abstract
Copper (Cu) is a crucial element that plays a vital role in facilitating proper biological activities in living organisms. In this study, copper oxide nanoparticles (CuO NPs) were synthesized using a straightforward precipitation chemical method from a copper nitrate precursor at a temperature of 85 °C. Subsequently, these NPs were coated with the aqueous extract of Sargassum angustifolium algae. The size, morphology, and coating of the NPs were analyzed through various methods, revealing dimensions of approximately 50 nm, a multidimensional shaped structure, and successful algae coating. The antibacterial activity of both coated and uncoated CuO NPs against Vibrio harveyi, a significant pathogen in Litopenaeus vannamei, was investigated. Results indicated that the minimum inhibitory concentration (MIC) for uncoated CuO NPs was 1000 μg/mL, whereas for coated CuO NPs, it was 500 μg/mL. Moreover, the antioxidant activity of the synthesized NPs was assessed. Interestingly, uncoated CuO NPs exhibited superior antioxidant activity (IC50 ≥ 16 μg/mL). The study also explored the cytotoxicity of different concentrations (10-100 μg/mL) of both coated and uncoated CuO NPs. Following 48 h of incubation, cell viability assays on shrimp hemocytes and human lymphocytes were conducted. The findings indicated that CuO NPs coated with alga extract at a concentration of 10 μg/mL increased shrimp hemocyte viability. In contrast, uncoated CuO NPs at a concentration of 25 μg/mL and higher, as well as CuO NPs at a concentration of 50 μg/mL and higher, led to a decrease in shrimp hemocyte survival. Notably, this study represents the first quantitative assessment of the toxicity of CuO NPs on shrimp cells, allowing for a comparative analysis with human cells.
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Affiliation(s)
- Negar Nasri
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran.
| | - Hajar-Alsadat Mansouri-Tehrani
- Department of Biotechnology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, 81746-73441, Iran.
| | - Ghasem Dini
- Department of Nanotechnology, Faculty of Chemistry, University of Isfahan, Isfahan, 81746-73441, Iran.
| | - Mehrnaz Keyhanfar
- Department of Medicine and Public Health, Flinders University, Bedford Park, SA, 5042, Australia.
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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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Dandi SO, Abarike ED, Abobi SM, Doke DA, Lyche JL, Addo S, Edziyie RE, Obiakara-Amaechi AI, Øystein E, Mutoloki S, Cudjoe KS. Knowledge, Attitudes, and Practices of Antibiotic Use among Small-, Medium-, and Large-Scale Fish Farmers of the Stratum II of the Volta Lake of Ghana. Antibiotics (Basel) 2024; 13:582. [PMID: 39061263 PMCID: PMC11273686 DOI: 10.3390/antibiotics13070582] [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: 04/26/2024] [Revised: 05/23/2024] [Accepted: 06/03/2024] [Indexed: 07/28/2024] Open
Abstract
BACKGROUND Antibiotic residue in food products and the resulting antibiotic-resistant bacteria represent a significant global public health threat. The misuse of antibiotics is a primary contributor to this issue. This study investigated the knowledge, attitudes, and practices (KAP) regarding antibiotic use among cage fish farmers on Ghana's Volta Lake. METHOD We conducted a cross-sectional survey with 91 cage fish farmers across three scales: small, medium, and large. A semi-structured questionnaire complemented by personal observations provided comprehensive data. We used several statistical methods for analysis: Pearson Chi-Square and Spearman correlation tests to examine relationships and trends among variables, logistic regression to analyze variable interactions, and Cronbach's alpha to check internal consistency. Additionally, Kendall's coefficient was used to rank challenges, utilizing STATA and SPSS for these calculations. RESULTS The survey revealed that 58.55% of cage fish farmers earn an average of 10,000 USD annually, with 35.16% having over 16 years of experience. From the survey, all sampled populations admitted to antibiotic applications in their farming operation. Knowledge of antibiotic types was mainly influenced by peers (46.15%), with tetracycline being the most recognized and used. There was a significant reliance on the empirical use of antibiotics, with 52.75% of farmers using them based on personal experience and 40.66% without a prescription. When initial treatments failed, 41.76% of the farmers would change or combine drugs. Older farmers (over 51 years) and those with tertiary education demonstrated significantly better KAP scores regarding antibiotic use. Strong correlations were also found among knowledge, attitudes, and practices in antibiotic usage. CONCLUSIONS The findings indicate a need for improved education on antibiotic use among fish farmers to reduce misuse and enhance awareness of the potential consequences. This study provides foundational data for designing interventions to address these issues in the context of cage fish farming on Volta Lake.
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Affiliation(s)
- Samuel O. Dandi
- Department of Aquaculture and Fisheries Sciences, Faculty of Biosciences, University for Development Studies, Tamale P.O. Box TL 1350, Ghana; (S.O.D.); (S.M.A.)
| | - Emmanuel D. Abarike
- Department of Aquaculture and Fisheries Sciences, Faculty of Biosciences, University for Development Studies, Tamale P.O. Box TL 1350, Ghana; (S.O.D.); (S.M.A.)
| | - Seth M. Abobi
- Department of Aquaculture and Fisheries Sciences, Faculty of Biosciences, University for Development Studies, Tamale P.O. Box TL 1350, Ghana; (S.O.D.); (S.M.A.)
| | - Dzigbodi A. Doke
- Department of Environment and Sustainability, Faculty of Natural Resources and Environment, University for Development Studies, Tamale P.O. Box TL 1350, Ghana;
| | - Jan L. Lyche
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, 1432 Ås, Norway; (J.L.L.); (E.Ø.); (S.M.)
| | - Samuel Addo
- Department of Marine and Fisheries Sciences, School of Biological Sciences, University of Ghana, Accra P.O. Box LG 25, Ghana;
| | - Regina E. Edziyie
- Department of Fisheries and Watershed Management, Faculty of Natural Resources, Kwame Nkrumah University of Science and Technology, Kumasi P.O. Box Up 1279, Ghana;
| | | | - Evensen Øystein
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, 1432 Ås, Norway; (J.L.L.); (E.Ø.); (S.M.)
| | - Stephen Mutoloki
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, 1432 Ås, Norway; (J.L.L.); (E.Ø.); (S.M.)
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Sung K, Nawaz M, Park M, Chon J, Khan SA, Alotaibi K, Revollo J, Miranda JA, Khan AA. Whole-Genome Sequence Analysis of Antibiotic Resistance, Virulence, and Plasmid Dynamics in Multidrug-Resistant E. coli Isolates from Imported Shrimp. Foods 2024; 13:1766. [PMID: 38890994 PMCID: PMC11171581 DOI: 10.3390/foods13111766] [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: 04/23/2024] [Revised: 05/10/2024] [Accepted: 05/15/2024] [Indexed: 06/20/2024] Open
Abstract
We analyzed antimicrobial resistance and virulence traits in multidrug-resistant (MDR) E. coli isolates obtained from imported shrimp using whole-genome sequences (WGSs). Antibiotic resistance profiles were determined phenotypically. WGSs identified key characteristics, including their multilocus sequence type (MLST), serotype, virulence factors, antibiotic resistance genes, and mobile elements. Most of the isolates exhibited resistance to gentamicin, streptomycin, ampicillin, chloramphenicol, nalidixic acid, ciprofloxacin, tetracycline, and trimethoprim/sulfamethoxazole. Multilocus sequence type (MLST), serotype, average nucleotide identity (ANI), and pangenome analysis showed high genomic similarity among isolates, except for EC15 and ECV01. The EC119 plasmid contained a variety of efflux pump genes, including those encoding the acid resistance transcriptional activators (gadE, gadW, and gadX), resistance-nodulation-division-type efflux pumps (mdtE and mdtF), and a metabolite, H1 symporter (MHS) family major facilitator superfamily transporter (MNZ41_23075). Virulence genes displayed diversity, particularly EC15, whose plasmids carried genes for adherence (faeA and faeC-I), invasion (ipaH and virB), and capsule (caf1A and caf1M). This comprehensive analysis illuminates antimicrobial resistance, virulence, and plasmid dynamics in E. coli from imported shrimp and has profound implications for public health, emphasizing the need for continued surveillance and research into the evolution of these important bacterial pathogens.
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Affiliation(s)
- Kidon Sung
- Division of Microbiology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR 72079, USA; (M.N.); (M.P.); (S.A.K.); (A.A.K.)
| | - Mohamed Nawaz
- Division of Microbiology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR 72079, USA; (M.N.); (M.P.); (S.A.K.); (A.A.K.)
| | - Miseon Park
- Division of Microbiology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR 72079, USA; (M.N.); (M.P.); (S.A.K.); (A.A.K.)
| | - Jungwhan Chon
- Department of Companion Animal Health, Inje University, Gimhae 50834, Republic of Korea;
| | - Saeed A. Khan
- Division of Microbiology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR 72079, USA; (M.N.); (M.P.); (S.A.K.); (A.A.K.)
| | - Khulud Alotaibi
- Saudi Food and Drug Authority (SFDA), Riyadh 13513, Saudi Arabia;
| | - Javier Revollo
- Division of Genetic and Molecular Toxicology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR 72079, USA; (J.R.); (J.A.M.)
| | - Jaime A. Miranda
- Division of Genetic and Molecular Toxicology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR 72079, USA; (J.R.); (J.A.M.)
| | - Ashraf A. Khan
- Division of Microbiology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR 72079, USA; (M.N.); (M.P.); (S.A.K.); (A.A.K.)
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de la Peña LD, Moquera GL, Amar EC, Castellano JLA, Cabillon NAR, Arboleda JI, Nava JKPT, Zamora RV, De Schryver P. In vitro and in vivo evaluation of the efficacies of commercial probiotics and disinfectant against acute hepatopancreatic necrosis disease and luminescent vibriosis in Litopenaeus vannamei. Res Vet Sci 2024; 171:105204. [PMID: 38471347 DOI: 10.1016/j.rvsc.2024.105204] [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: 12/21/2023] [Revised: 02/25/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024]
Abstract
The bioactivities of two commercially available probiotics and one chemical disinfectant were tested against strains of Vibrio parahaemolyticus (VPAHPND) and V. harveyi. This study aimed to determine shrimp pathogenic Vibrios' in vitro and in vivo sensitivities to commercial probiotics and a chemical disinfectant. The probiotics and disinfectant were tested first in vitro, followed by the in vivo trials. Results showed that upon administration of probiotics either through diet or adding into the tank water, the survivability of shrimp was increased during challenge with VPAHPND and V. harveyi. Also, the disinfectant was tested against the same pathogens and showed positive bactericidal effects at 2500 ppm and 5000 ppm. The present findings suggest that adding probiotics to the rearing water or the shrimp feeds effectively prevents infection by lowering the load of pathogenic bacteria. In comparison, the effectiveness of the disinfectant (PUR) depends on its appropriate concentration and timing of application. It is not only limited to rearing water but is also applicable for decontaminating pond liners, tanks, and other paraphernalia.
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Affiliation(s)
- Leobert D de la Peña
- Southeast Asian Fisheries Development Center, Aquaculture Department (SEAFDEC/AQD), Tigbauan, Iloilo 5021, Philippines.
| | - Germin L Moquera
- Southeast Asian Fisheries Development Center, Aquaculture Department (SEAFDEC/AQD), Tigbauan, Iloilo 5021, Philippines
| | - Edgar C Amar
- Southeast Asian Fisheries Development Center, Aquaculture Department (SEAFDEC/AQD), Tigbauan, Iloilo 5021, Philippines
| | - Jose Louis A Castellano
- Southeast Asian Fisheries Development Center, Aquaculture Department (SEAFDEC/AQD), Tigbauan, Iloilo 5021, Philippines
| | - Nikko Alvin R Cabillon
- Department of Animal Sciences, Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Joey I Arboleda
- Department of Biology, University of Crete Heraklion, Crete, Greece
| | - Joseph Keith Paulo T Nava
- Southeast Asian Fisheries Development Center, Aquaculture Department (SEAFDEC/AQD), Tigbauan, Iloilo 5021, Philippines
| | - Rodolfo V Zamora
- Biosolutions International Corporation, #15 Clipper Ave., Bayview Village, Tambo, Parañaque City, Manila 1701, Philippines
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Wang TT, Shao S, Fan SD, Tang WQ, Miao JW, Wang S, Cao XC, Liu C, Ying GG, Chen ZB, Zhou HL, Diao XP, Mo L. Occurrence, distribution, and risk assessment of antibiotics in a typical aquaculture area around the Dongzhai Harbor mangrove forest on Hainan Island. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 920:170558. [PMID: 38325459 DOI: 10.1016/j.scitotenv.2024.170558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 12/22/2023] [Accepted: 01/27/2024] [Indexed: 02/09/2024]
Abstract
The trees of the Dongzhai Harbor mangrove forest suffer from antibiotic contamination from surrounding aquaculture areas. Despite this being one of the largest mangrove forests in China, few studies have focused on the antibiotic pollution status in these aquaculture areas. In the present study, the occurrence, distribution, and risk assessment of 37 antibiotics in surface water and sediment samples from aquaculture areas around Dongzhai Harbor mangrove forests were analyzed. The concentration of total antibiotics (∑antibiotics) ranged from 78.4 ng/L to 225.6 ng/L in surface water (except S14-A2) and from 19.5 ng/g dry weight (dw) to 229 ng/g dw in sediment. In the sediment, the concentrations of ∑antibiotics were relatively low (19.5-52.3 ng/g dw) at 75 % of the sampling sites, while they were high (95.7-229.0 ng/g dw) at a few sampling sites (S13-A1, S13D, S8D). The correlation analysis results showed that the Kd values of the 9 antibiotics were significantly positively correlated with molecular weight (MW), Kow, and LogKow. Risk assessment revealed that sulfamethoxazole (SMX) in surface water and SMX, enoxacin (ENX), ciprofloxacin (CFX), enrofloxacin (EFX), ofloxacin (OFX), and norfloxacin (NFX) in sediment had medium/high risk quotients (RQs) at 62.5 % and 25-100 %, respectively, of the sampling sites. The antibiotic mixture in surface water (0.06-3.36) and sediment (0.43-309) posed a high risk at 37.5 % and 66.7 %, respectively, of the sampling sites. SMX was selected as an indicator of antibiotic pollution in surface water to assist regulatory authorities in monitoring and managing antibiotic pollution in the aquaculture zone of Dongzhai Harbor. Overall, the results of the present study provide a comprehensive and detailed analysis of the characteristics of antibiotics in the aquaculture environment around the Dongzhai Harbor mangrove system and provide a theoretical basis for the source control of antibiotics in mangrove systems.
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Affiliation(s)
- Tuan-Tuan Wang
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Hainan University, Haikou 570228, China; College of Ecology and Environment, Hainan University, Haikou 570228, China
| | - Shuai Shao
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Hainan University, Haikou 570228, China; College of Ecology and Environment, Hainan University, Haikou 570228, China
| | - Shi-Di Fan
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
| | - Wang-Qing Tang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China
| | - Jiang-Wei Miao
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province, Hainan University, Haikou 570228, China; College of Ecology and Environment, Hainan University, Haikou 570228, China
| | - Sai Wang
- State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, Haikou 570228, China.
| | - Xiao-Cong Cao
- Hainan Research Academy of Environmental Sciences, Haikou 571126, China
| | - Chuan Liu
- Hainan Research Academy of Environmental Sciences, Haikou 571126, China
| | - Guang-Guo Ying
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety, South China Normal University, Guangzhou 510006, China
| | - Zhong-Bing Chen
- Department of Applied Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, 16500 Praha-Suchdol, Czech Republic
| | - Hai-Long Zhou
- School of Life Sciences, Hainan University, Haikou 570228, China
| | - Xiao-Ping Diao
- School of Life Sciences, Hainan University, Haikou 570228, China
| | - Ling Mo
- Hainan Research Academy of Environmental Sciences, Haikou 571126, China
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Xie L, Chen S, Wu Z, Xue Z, Ye Y, Chen B, Chen J, Chen G. Influence of wastewater discharge from dredging mariculture pond sediments on the food sources of two intertidal crab species. MARINE POLLUTION BULLETIN 2024; 199:115992. [PMID: 38181471 DOI: 10.1016/j.marpolbul.2023.115992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 12/25/2023] [Accepted: 12/25/2023] [Indexed: 01/07/2024]
Abstract
The present study δ13C, δ15N and fatty acid compositions of two dominant mangrove crabs, Tubuca arcuata and Parasesarma plicatum were compared between a mangrove site frequently receiving dredged wastewater from mariculture ponds and an adjacent reference site, to investigate the impact of wastewater discharge on their diets. A laboratory experiment was also conducted to further test how their diets changed with the wastewater input. The result showed no significant change in the δ13C while clear 15N enrichment of crabs in association with the wastewater discharge. Changes in 15N signature and fatty acid composition of the crabs due to the wastewater discharge indicated that the impact of wastewater discharge was related to crab species, being more apparent on the deposit feeder (T. arcuata) than the herbivorous P. plicatum. The results suggested that the discharge of dredged wastewater into mangroves resulted in the uptake of wastewater-derived materials and nutrients by mangrove crabs.
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Affiliation(s)
- Limei Xie
- College of the Environment and Ecology, Xiamen University, Xiamen, China; Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China
| | - Shunyang Chen
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China; Key Laboratory of Marine Ecological Conservation and Restoration, Ministry of Natural Resources, Xiamen, China
| | - Zhiqiang Wu
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Zhiyong Xue
- Fugong Forestry Workstation, Longhai District Forestry Bureau, Zhangzhou, China
| | - Yong Ye
- College of the Environment and Ecology, Xiamen University, Xiamen, China
| | - Bin Chen
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China; Key Laboratory of Marine Ecological Conservation and Restoration, Ministry of Natural Resources, Xiamen, China
| | - Jiahui Chen
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China
| | - Guangcheng Chen
- Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, China; Key Laboratory of Marine Ecological Conservation and Restoration, Ministry of Natural Resources, Xiamen, China.
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10
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Suyamud B, Chen Y, Quyen DTT, Dong Z, Zhao C, Hu J. Antimicrobial resistance in aquaculture: Occurrence and strategies in Southeast Asia. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 907:167942. [PMID: 37863226 DOI: 10.1016/j.scitotenv.2023.167942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 10/22/2023]
Abstract
Aquaculture is a highly important and expanding industry in Southeast Asia (SEA). An upcoming problem is the emergence of antibiotic resistant pathogens due to the unchecked use of antibiotics and human clinical practices. This review focused insight into the occurrence of antimicrobial resistance (AMR) and strategies from SEA aquaculture based on the original research publication over the period 2002 to 2023. Amongst the 11 SEA countries, the most AMR report has come from Vietnam, Malaysia, and Thailand, respectively. The AMR found in SEA aquaculture were classified into 17 drug classes. The most reported AMR are aminoglycosides, beta-lactams, (fluoro)quinolones, tetracycline, sulpha group and multi-drug. Beta-lactams, tetracycline, sulpha group are reported in each country with the reported frequencies higher than 40 %. Escherichia coli, Aeromonas and Vibrio are the most widely and frequently reported ARB in SEA aquaculture. Multiple antibiotic resistance (MAR) indexes for the sample containing multiple bacterial isolates were generally low, while the medium numbers of MAR indexes for the typical bacteria species were higher than 0.2 and showed higher MAR levels than the global mean. Most of the detected ARGs are related to beta-lactams, tetracycline, sulpha group, and aminoglycosides. Amongst the beta-lactam resistance genes, blaTEM, and blaSHV are the most frequently detected. Almost all the available information of antibiotics, ARB and ARGs in SEA aquaculture was consistent with the global scale analysis. In addition, factors that contribute to the development and spread of AMR in SEA aquaculture were discussed. Moreover, the national action plan to combat AMR in SEA countries and the available technologies that already applied in the SEA aquaculture are also included in this review. Such findings underline the need for synergistic efforts from scientists, engineers, policy makers, government managers, entrepreneurs, and communities to manage and reduce the burden of AMR in aquaculture of SEA countries.
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Affiliation(s)
- Bongkotrat Suyamud
- NUS Environmental Research Institute, National University of Singapore, 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Yiwei Chen
- NUS Environmental Research Institute, National University of Singapore, 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Do Thi Thuy Quyen
- NUS Environmental Research Institute, National University of Singapore, 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Zhan Dong
- Department of Civil & Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, Singapore 117576, Singapore
| | - Chendong Zhao
- Department of Civil & Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, Singapore 117576, Singapore
| | - Jiangyong Hu
- NUS Environmental Research Institute, National University of Singapore, 5A Engineering Drive 1, Singapore 117411, Singapore; Department of Civil & Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, Singapore 117576, Singapore.
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11
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Droumpali A, Liu Y, Ferrer-Florensa X, Sternberg C, Dimaki M, Andersen AJC, Strube ML, Kempen PJ, Gram L, Taboryski R. Biosynthesis enhancement of tropodithietic acid (TDA) antibacterial compound through biofilm formation by marine bacteria Phaeobacter inhibens on micro-structured polymer surfaces. RSC Adv 2023; 13:33159-33166. [PMID: 37964901 PMCID: PMC10641763 DOI: 10.1039/d3ra05407a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 10/29/2023] [Indexed: 11/16/2023] Open
Abstract
Although aquaculture is a major player in current and future food production, the routine use of antibiotics provides ample ground for development of antibiotic resistance. An alternative route to disease control is the use of probiotic bacteria such as the marine bacteria Phaeobacter inhibens which produces tropodithietic acid (TDA) that inhibit pathogens without affecting the fish. Improving conditions for the formation of biofilm and TDA-synthesis is a promising avenue for biocontrol in aquaculture. In this study, the biosynthesis of TDA by Phaeobacter inhibens grown on micro-structured polymeric surfaces in micro-fluidic flow-cells is investigated. The formation of biofilms on three surface topographies; hexagonal micro-pit-arrays, hexagonal micro-pillar-arrays, and planar references is investigated. The biomass on these surfaces is measured by a non-invasive confocal microscopy 3D imaging technique, and the corresponding TDA production is monitored by liquid chromatography mass spectrometry (LC-MS) in samples collected from the outlets of the microfluidic channels. Although all surfaces support growth of P. inhibens, biomass appears to be decoupled from total TDA biosynthesis as the micro-pit-arrays generate the largest biomass while the micro-pillar-arrays produce significantly higher amounts of TDA. The findings highlight the potential for optimized micro-structured surfaces to maintain biofilms of probiotic bacteria for sustainable aquacultures.
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Affiliation(s)
- Ariadni Droumpali
- DTU Nanolab, National Centre for Nano Fabrication and Characterization, Technical University of Denmark Ørsteds Plads, Building 347 DK-2800 Kgs. Lyngby Denmark
| | - Yuyan Liu
- DTU Nanolab, National Centre for Nano Fabrication and Characterization, Technical University of Denmark Ørsteds Plads, Building 347 DK-2800 Kgs. Lyngby Denmark
| | - Xavier Ferrer-Florensa
- DTU Bioengineering, Department of Biotechnology and Biomedicine, Technical University of Denmark Søltofts Plads, Building 221 DK-2800 Kgs. Lyngby Denmark
| | - Claus Sternberg
- DTU Bioengineering, Department of Biotechnology and Biomedicine, Technical University of Denmark Søltofts Plads, Building 221 DK-2800 Kgs. Lyngby Denmark
| | - Maria Dimaki
- DTU Bioengineering, Department of Biotechnology and Biomedicine, Technical University of Denmark Søltofts Plads, Building 221 DK-2800 Kgs. Lyngby Denmark
| | - Aaron J C Andersen
- DTU Bioengineering, Department of Biotechnology and Biomedicine, Technical University of Denmark Søltofts Plads, Building 221 DK-2800 Kgs. Lyngby Denmark
| | - Mikael L Strube
- DTU Bioengineering, Department of Biotechnology and Biomedicine, Technical University of Denmark Søltofts Plads, Building 221 DK-2800 Kgs. Lyngby Denmark
| | - Paul J Kempen
- DTU Nanolab, National Centre for Nano Fabrication and Characterization, Technical University of Denmark Ørsteds Plads, Building 347 DK-2800 Kgs. Lyngby Denmark
| | - Lone Gram
- DTU Bioengineering, Department of Biotechnology and Biomedicine, Technical University of Denmark Søltofts Plads, Building 221 DK-2800 Kgs. Lyngby Denmark
| | - Rafael Taboryski
- DTU Nanolab, National Centre for Nano Fabrication and Characterization, Technical University of Denmark Ørsteds Plads, Building 347 DK-2800 Kgs. Lyngby Denmark
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12
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Uhland FC, Li XZ, Mulvey MR, Reid-Smith R, Sherk LM, Ziraldo H, Jin G, Young KM, Reist M, Carson CA. Extended Spectrum β-Lactamase-Producing Enterobacterales of Shrimp and Salmon Available for Purchase by Consumers in Canada-A Risk Profile Using the Codex Framework. Antibiotics (Basel) 2023; 12:1412. [PMID: 37760708 PMCID: PMC10525137 DOI: 10.3390/antibiotics12091412] [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: 08/02/2023] [Revised: 08/24/2023] [Accepted: 09/02/2023] [Indexed: 09/29/2023] Open
Abstract
The extended-spectrum β-lactamase (ESBL)-producing Enterobacterales (ESBL-EB) encompass several important human pathogens and are found on the World Health Organization (WHO) priority pathogens list of antibiotic-resistant bacteria. They are a group of organisms which demonstrate resistance to third-generation cephalosporins (3GC) and their presence has been documented worldwide, including in aquaculture and the aquatic environment. This risk profile was developed following the Codex Guidelines for Risk Analysis of Foodborne Antimicrobial Resistance with the objectives of describing the current state of knowledge of ESBL-EB in relation to retail shrimp and salmon available to consumers in Canada, the primary aquacultured species consumed in Canada. The risk profile found that Enterobacterales and ESBL-EB have been found in multiple aquatic environments, as well as multiple host species and production levels. Although the information available did not permit the conclusion as to whether there is a human health risk related to ESBLs in Enterobacterales in salmon and shrimp available for consumption by Canadians, ESBL-EB in imported seafood available at the retail level in Canada have been found. Surveillance activities to detect ESBL-EB in seafood are needed; salmon and shrimp could be used in initial surveillance activities, representing domestic and imported products.
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Affiliation(s)
- F. Carl Uhland
- Centre for Foodborne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, ON N1H 7M7, Canada
| | - Xian-Zhi Li
- Veterinary Drugs Directorate, Health Products and Food Branch, Health Canada, Ottawa, ON K1A 0K9, Canada
| | - Michael R. Mulvey
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada
| | - Richard Reid-Smith
- Centre for Foodborne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, ON N1H 7M7, Canada
| | - Lauren M. Sherk
- Centre for Foodborne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, ON N1H 7M7, Canada
| | - Hilary Ziraldo
- Centre for Foodborne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, ON N1H 7M7, Canada
| | - Grace Jin
- Centre for Foodborne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, ON N1H 7M7, Canada
| | - Kaitlin M. Young
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada
| | - Mark Reist
- Veterinary Drugs Directorate, Health Products and Food Branch, Health Canada, Ottawa, ON K1A 0K9, Canada
| | - Carolee A. Carson
- Centre for Foodborne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, ON N1H 7M7, Canada
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13
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Hirshfeld B, Lavelle K, Lee KY, Atwill ER, Kiang D, Bolkenov B, Gaa M, Li Z, Yu A, Li X, Yang X. Prevalence and antimicrobial resistance profiles of Vibrio spp. and Enterococcus spp. in retail shrimp in Northern California. Front Microbiol 2023; 14:1192769. [PMID: 37455729 PMCID: PMC10338826 DOI: 10.3389/fmicb.2023.1192769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/08/2023] [Indexed: 07/18/2023] Open
Abstract
Shrimp is one of the most consumed seafood products globally. Antimicrobial drugs play an integral role in disease mitigation in aquaculture settings, but their prevalent use raises public health concerns on the emergence and spread of antimicrobial resistant microorganisms. Vibrio spp., as the most common causative agents of seafood-borne infections in humans, and Enterococcus spp., as an indicator organism, are focal bacteria of interest for the monitoring of antimicrobial resistance (AMR) in seafood. In this study, 400 samples of retail shrimp were collected from randomly selected grocery stores in the Greater Sacramento, California, area between September 2019 and June 2020. The prevalence of Vibrio spp. and Enterococcus spp. was 60.25% (241/400) and 89.75% (359/400), respectively. Subsamples of Vibrio (n = 110) and Enterococcus (n = 110) isolates were subjected to antimicrobial susceptibility testing (AST). Vibrio isolates had high phenotypic resistance to ampicillin (52/110, 47.27%) and cefoxitin (39/110, 35.45%). Enterococcus were most frequently resistant to lincomycin (106/110, 96.36%), quinupristin-dalfopristin (96/110, 87.27%), ciprofloxacin (93/110, 84.55%), linezolid (86/110, 78.18%), and erythromycin (58/110, 52.73%). For both Vibrio and Enterococcus, no significant associations were observed between multidrug resistance (MDR, resistance to ≥3 drug classes) in isolates from farm raised and wild caught shrimp (p > 0.05) and in isolates of domestic and imported origin (p > 0.05). Whole genome sequencing (WGS) of a subset of Vibrio isolates (n = 42) speciated isolates as primarily V. metschnikovii (24/42; 57.14%) and V. parahaemolyticus (12/42; 28.57%), and detected 27 unique antimicrobial resistance genes (ARGs) across these isolates, most commonly qnrVC6 (19.05%, 8/42), dfrA31 (11.90%, 5/42), dfrA6 (9.5%, 4/42), qnrVC1 (9.5%, 4/42). Additionally, WGS predicted phenotypic resistance in Vibrio isolates with an overall sensitivity of 11.54% and specificity of 96.05%. This study provides insights on the prevalence and distribution of AMR in Vibrio spp. and Enterococcus spp. from retail shrimp in California which are important for food safety and public health and exemplifies the value of surveillance in monitoring the spread of AMR and its genetic determinants.
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Affiliation(s)
- Brady Hirshfeld
- Department of Animal Science, University of California, Davis, Davis, CA, United States
| | - Kurtis Lavelle
- Western Institute for Food Safety and Security, University of California, Davis, Davis, CA, United States
| | - Katie Yen Lee
- Western Institute for Food Safety and Security, University of California, Davis, Davis, CA, United States
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Edward Robert Atwill
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - David Kiang
- California Department of Public Health, Richmond, CA, United States
| | - Bakytzhan Bolkenov
- Department of Animal Science, University of California, Davis, Davis, CA, United States
| | - Megan Gaa
- Western Institute for Food Safety and Security, University of California, Davis, Davis, CA, United States
| | - Zhirong Li
- California Department of Public Health, Richmond, CA, United States
| | - Alice Yu
- California Department of Public Health, Richmond, CA, United States
| | - Xunde Li
- Western Institute for Food Safety and Security, University of California, Davis, Davis, CA, United States
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Xiang Yang
- Department of Animal Science, University of California, Davis, Davis, CA, United States
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14
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Khunsri I, Prombutara P, Htoo HH, Wanvimonsuk S, Samernate T, Pornsing C, Tharntada S, Jaree P, Chaikeeratisak V, Somboonwiwat K, Nonejuie P. Roles of qseC mutation in bacterial resistance against anti-lipopolysaccharide factor isoform 3 (ALFPm3). PLoS One 2023; 18:e0286764. [PMID: 37267395 PMCID: PMC10237662 DOI: 10.1371/journal.pone.0286764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 05/23/2023] [Indexed: 06/04/2023] Open
Abstract
Propelled by global climate changes, the shrimp industry has been facing tremendous losses in production due to various disease outbreaks, particularly early mortality syndrome (EMS), a disease caused by Vibrio parahaemolyticus AHPND. Not only is the use of antibiotics as EMS control agents not yet been proven successful, but the overuse and misuse of antibiotics could also worsen one of the most challenging global health issues-antimicrobial resistance. To circumvent antibiotic usage, anti-lipopolysaccharide factor isoform 3 (ALFPm3), an antimicrobial peptide (AMP) derived from the shrimp innate immune system, was proposed as an antibiotic alternative for EMS control. However, prolonged use of AMPs could also lead to bacterial cross resistance with life-saving antibiotics used in human diseases. Here, we showed that ALFPm3-resistant strains of E. coli could be induced in vitro. Genome analysis of the resistant mutants revealed multiple mutations, with the most interesting being a qseC(L299R). A study of antibiotic susceptibility profile showed that the resistant strains harboring the qseC(L299R) not only exhibited higher degree of resistance towards polymyxin antibiotics, but also produced higher biofilm under ALFPm3 stress. Lastly, a single cell death analysis revealed that, at early-log phase when biofilm is scarce, the resistant strains were less affected by ALFPm3 treatment, suggesting additional mechanisms by which qseC orchestrates to protect the bacteria from ALFPm3. Altogether, this study uncovers involvement of qseC mutation in mechanism of resistance of the bacteria against ALFPm3 paving a way for future studies on sustainable use of ALFPm3 as an EMS control agent.
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Affiliation(s)
- Iyacoob Khunsri
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
- Center for Vaccine Development, Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
| | - Pinidphon Prombutara
- Omics Science and Bioinformatics Center, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Htut Htut Htoo
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
| | - Supitcha Wanvimonsuk
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Thanadon Samernate
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
| | - Chindanai Pornsing
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
| | - Sirinit Tharntada
- Department of Veterinary Technology, Faculty of Veterinary Technology, Kasetsart University, Bangkok, Thailand
| | - Phattarunda Jaree
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
| | - Vorrapon Chaikeeratisak
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Kunlaya Somboonwiwat
- Center of Excellence for Molecular Biology and Genomics of Shrimp, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Poochit Nonejuie
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
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15
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Abdel-Latif HMR, Yilmaz S, Kucharczyk D. Editorial: Functionality and applications of phytochemicals in aquaculture nutrition. Front Vet Sci 2023; 10:1218542. [PMID: 37303733 PMCID: PMC10250716 DOI: 10.3389/fvets.2023.1218542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 05/15/2023] [Indexed: 06/13/2023] Open
Affiliation(s)
- Hany M. R. Abdel-Latif
- Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Sevdan Yilmaz
- Department of Aquaculture, Faculty of Marine Sciences and Technology, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Dariusz Kucharczyk
- Department of Ichthyology and Aquaculture, University of Warmia and Mazury, Olsztyn, Poland
- Department of Research and Development, Chemprof, Olsztyn, Poland
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16
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Callac N, Giraud C, Boulo V, Wabete N, Pham D. Microbial biomarker detection in shrimp larvae rearing water as putative bio-surveillance proxies in shrimp aquaculture. PeerJ 2023; 11:e15201. [PMID: 37214103 PMCID: PMC10198154 DOI: 10.7717/peerj.15201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 03/17/2023] [Indexed: 05/24/2023] Open
Abstract
Background Aquacultured animals are reared in water hosting various microorganisms with which they are in close relationships during their whole lifecycle as some of these microorganisms can be involved in their host's health or physiology. In aquaculture hatcheries, understanding the interactions existing between the natural seawater microbiota, the rearing water microbiota, the larval stage and the larval health status, may allow the establishment of microbial proxies to monitor the rearing ecosystems. Indeed, these proxies could help to define the optimal microbiota for shrimp larval development and could ultimately help microbial management. Methods In this context, we monitored the daily composition of the active microbiota of the rearing water in a hatchery of the Pacific blue shrimp Penaeus stylirostris. Two distinct rearing conditions were analyzed; one with antibiotics added to the rearing water and one without antibiotics. During this rearing, healthy larvae with a high survival rate and unhealthy larvae with a high mortality rate were observed. Using HiSeq sequencing of the V4 region of the 16S rRNA gene of the water microbiota, coupled with zootechnical and statistical analysis, we aimed to distinguish the microbial taxa related to high mortality rates at a given larval stage. Results We highlight that the active microbiota of the rearing water is highly dynamic whatever the larval survival rate. A clear distinction of the microbial composition is shown between the water harboring heathy larvae reared with antibiotics versus the unhealthy larvae reared without antibiotics. However, it is hard to untangle the effects of the antibiotic addition and of the larval death on the active microbiota of the rearing water. Various active taxa of the rearing water are specific to a given larval stage and survival rate except for the zoea with a good survival rate. Comparing these communities to those of the lagoon, it appears that many taxa were originally detected in the natural seawater. This highlights the great importance of the microbial composition of the lagoon on the rearing water microbiota. Considering the larval stage and larval survival we highlight that several genera: Nautella, Leisingera, Ruegerira, Alconivorax, Marinobacter and Tenacibaculum, could be beneficial for the larval survival and may, in the rearing water, overcome the r-strategist microorganisms and/or putative pathogens. Members of these genera might also act as probiotics for the larvae. Marivita, Aestuariicocccus, HIMB11 and Nioella, appeared to be unfavorable for the larval survival and could be associated with upcoming and occurring larval mortalities. All these specific biomarkers of healthy or unhealthy larvae, could be used as early routine detection proxies in the natural seawater and then during the first days of larval rearing, and might help to manage the rearing water microbiota and to select beneficial microorganisms for the larvae.
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Affiliation(s)
- Nolwenn Callac
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Ifremer, Nouméa, New-Caledonia
| | - Carolane Giraud
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Ifremer, Nouméa, New-Caledonia
- Institut des Sciences Exactes et Appliquées, University of New Caledonia, Nouméa, New-Calédonia
| | - Viviane Boulo
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Ifremer, Nouméa, New-Caledonia
- IHPE, Université de Montpellier, CNRS, Ifremer, Université de Perpignan via Domitia, Ifremer, Montpellier, France
| | - Nelly Wabete
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Ifremer, Nouméa, New-Caledonia
| | - Dominique Pham
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Ifremer, Nouméa, New-Caledonia
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17
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Yilmaz S, Şanver Çelik E, Ergün S, Ahmadifar E, Abdel-Latif HMR. Effects of dietary walnut (Juglans regia) leaves extract on immunity, gene expression responses, and disease resistance in Oreochromis niloticus. FISH & SHELLFISH IMMUNOLOGY 2023; 135:108656. [PMID: 36868534 DOI: 10.1016/j.fsi.2023.108656] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/24/2023] [Accepted: 02/28/2023] [Indexed: 06/18/2023]
Abstract
The dietary effects of walnut leaf extract (WLE) on the growth, immunity, and resistance of Oreochromis niloticus to bacterial infection have been investigated. Five diets were prepared with various WLE doses of 0, 250, 500, 750, and 1000 mg/kg, termed as Con (control), WLE250, WLE500, WLE750, and WLE1000, respectively. Fish (11.67 ± 0.21 g) were fed these diets for 60 days and then challenged with Plesiomonas shigelloides. Before the challenge, it was observed that dietary WLE did not significantly affect the growth, blood proteins (globulin, albumin, and total protein), and liver function enzymes (ALT and AST) activities. The WLE250 group significantly increased serum SOD and CAT activities more than other groups. The serum immunological indices (lysozyme and myeloperoxidase activities) and hematological parameters (phagocytic activity %, phagocytic index, respiratory burst activity, and potential activity) were significantly increased in the WLE groups compared with the Con group. The expression of IgM heavy chain, IL-1β, and IL-8 genes were significantly upregulated in all WLE-supplemented groups in comparison with the Con group. The fish survival rates (SR; %) post challenge in the Con, WLE250, WLE500, WLE750 and WLE1000 groups were 40.0%, 49.3%, 86.7%, 73.3%, and 70.7%, respectively. The Kaplan-Meier survivorship curves illustrated that the highest SR% was found in the WLE500 group (86.7%) amongst the other groups. Accordingly, we can suggest that feeding O. niloticus with a diet supplied with WLE at a dose rate of 500 mg/kg over 60 days could enrich haemato-immune responses and increase the fish survival against the challenge with P. shigelloides. These results recommend using WLE as a herbal dietary supplement to substitute antibiotic use in aquafeed.
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Affiliation(s)
- Sevdan Yilmaz
- Department of Aquaculture, Faculty of Marine Sciences and Technology, Çanakkale Onsekiz Mart University, Çanakkale, 17100, Turkey.
| | - Ekrem Şanver Çelik
- Department of Marine Technology, Faculty of Marine Sciences and Technology, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Sebahattin Ergün
- Department of Aquaculture, Faculty of Marine Sciences and Technology, Çanakkale Onsekiz Mart University, Çanakkale, 17100, Turkey
| | - Ehsan Ahmadifar
- Department of Fisheries, Faculty of Natural Resources, University of Zabol, Zabol, Iran
| | - Hany M R Abdel-Latif
- Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 22758, Egypt.
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Ariyawansa S, Gunawardana KN, Hapudeniya MM, Manelgamage NJ, Karunarathne CR, Madalagama RP, Ubeyratne KH, Wickramasinghe D, Tun HM, Wu P, Lam TTY, Chan OSK. One Health Surveillance of Antimicrobial Use and Resistance: Challenges and Successes of Implementing Surveillance Programs in Sri Lanka. Antibiotics (Basel) 2023; 12:antibiotics12030446. [PMID: 36978313 PMCID: PMC10044479 DOI: 10.3390/antibiotics12030446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 02/09/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
Background: Sri Lanka is a low-income country, as defined by the World Bank. The country suffered further economic downturn during the COVID-19 pandemic. This situation adversely affected the prioritization of policies and programs around healthcare and public health. In particular, inflation, fuel prices, and shortage of food supplies increased struggles to implement antimicrobial resistance (AMR) programs. However, in the long run, it is crucial to gather data and evidence to plan AMR policies and track interventions. (1) Aim: To establish and reiterate the importance of prioritizing AMR programs in the One Health framework, the Fleming Fellows collected and studied antimicrobial use/consumption (AMU/AMC) and resistance (AMR) in humans, food-producing animals, and the environment. (2) Methods: A systematic and cross-sectional study was conducted between 2019 and 2021. By way of coordinating an AMU/AMC and AMR prevalence study across six agencies from human health and food-producing animal sectors, the authors established a field epidemiology study, laboratory testing, and data processing at their institutions. AMU/AMC patterns were surveyed using questionnaires and interviews, while AMR samples were collected for antibiotic susceptibility tests and genomic tests. Samples were tested for phenotypic and genotypic resistance. (3) Results: In human samples, resistance was highest to beta-lactam antibiotics. In non-human samples, resistance was highest to erythromycin, a highest-priority, critically important antibiotic defined by the World Health Organization. From government records, tylosin was sold the most in the food-producing animal sector. (4) Conclusions: Sri Lanka AMU and AMR trends in human and non-human sectors can be ascertained by a One Health framework. Further coordinated, consistent, and sustainable planning is feasible, and can help implement an AMU/AMR surveillance system in Sri Lanka.
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Affiliation(s)
- Sujeewa Ariyawansa
- National Aquatic Resources Research and Development Agency, Crow Island, Colombo 01500, Sri Lanka
| | | | | | - Nimal J. Manelgamage
- Department of Animal Production and Health, No. 13, Getambe, Peradeniya, Kandy 20400, Sri Lanka
| | - Chinthana R. Karunarathne
- Department of Animal Production and Health, Veterinary Investigation Centre, Court Road, Wariyapola 60400, Sri Lanka
| | | | | | | | - Hein M. Tun
- The Jockey Club School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Peng Wu
- The School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 7 Sassoon Road, Pokfulam, Hong Kong SAR, China
| | - Tommy T. Y. Lam
- The School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 7 Sassoon Road, Pokfulam, Hong Kong SAR, China
| | - Olivia S. K. Chan
- The School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 7 Sassoon Road, Pokfulam, Hong Kong SAR, China
- Correspondence: or
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19
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Pangi VN, Marukurti A, Reddy AM, Medapalli SR. Synthesis of Biogenic Silver Nanoparticles (bAgNPs) Using Leaf Extract of Mirabilis jalapa and Evaluation of Anti-vibriocidal, Anti-oxidant properties and Cytotoxicity. BIONANOSCIENCE 2023. [DOI: 10.1007/s12668-023-01060-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
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20
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Abd-Elaziz RA, Shukry M, Abdel-Latif HMR, Saleh RM. Growth-promoting and immunostimulatory effects of phytobiotics as dietary supplements for Pangasianodon hypophthalmus fingerlings. FISH & SHELLFISH IMMUNOLOGY 2023; 133:108531. [PMID: 36639065 DOI: 10.1016/j.fsi.2023.108531] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/02/2022] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
A 56-day feeding experiment was designed to evaluate the impacts of five herbal extracts, namely Ginkgo biloba (GB), Moringa oleifera (MR), Myristica fragrans (NM), Silybum marianum (MT), and Astragalus membranaceus (AT) on growth, serum immune indices, and ammonia-N stress resistance of Pangasianodon hypophthalmus fingerlings. Fish were fed on a diet with no herbal additives (reference or CNT), and several plant extracts-based diets were supplied with two inclusion doses of each extract (1.0 and 2.0 g/kg). After the end of the feeding, fish in all groups were exposed to acute ammonia stress, mortalities were recorded every 2 h for a duration of 10 h, and then survival percent was assessed. Results showed that growth was upgraded significantly in groups fed plant extracts-based diets compared to the CNT group. Serum proteins (albumin and total protein), lysozyme, complement C3, bactericidal, and myeloperoxidase activities were increased significantly in groups fed plant extracts-based diets in relation to the CNT group. The total immunoglobulin levels were increased significantly only in fish groups fed GB, MT, and NM-based diets. Post-exposure to acute ammonia stress, the Kaplan-Meier survival curve presented significantly higher survival of fish groups that fed plant extracts-enriched diets than those fed the CNT diet. The aforementioned results suggest that using herbal extracts as feed supplements can beneficially enhance the growth, the immunity of P. hypophthalmus fingerlings and may increase their tolerance in the face of extrinsic stressors. These findings may pave the way for the potential and regular application of herbal extracts in diets of P. hypophthalmus at their early life stages to raise their immunity and maintain aquaculture sustainability.
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Affiliation(s)
- Rehab A Abd-Elaziz
- Fish Diseases Department, Alexandria Provincial Lab, Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Egypt
| | - Mustafa Shukry
- Department of Physiology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt
| | - Hany M R Abdel-Latif
- Department of Poultry and Fish Diseases, Faculty of Veterinary Medicine, Alexandria University, Alexandria, 22758, Egypt.
| | - Rasha M Saleh
- Department of Physiology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
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21
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Loiola M, Silva AET, Krull M, Barbosa FA, Galvão EH, Patire VF, Cruz ICS, Barros F, Hatje V, Meirelles PM. Mangrove microbial community recovery and their role in early stages of forest recolonization within shrimp ponds. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 855:158863. [PMID: 36126709 DOI: 10.1016/j.scitotenv.2022.158863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 06/15/2023]
Abstract
Shrimp farming is blooming worldwide, posing a severe threat to mangroves and its multiple goods and ecosystem services. Several studies reported the impacts of aquaculture on mangrove biotic communities, including microbiomes. However, little is known about how mangrove soil microbiomes would change in response to mangrove forest recolonization. Using genome-resolved metagenomics, we compared the soil microbiome of mangrove forests (both with and without the direct influence of shrimp farming effluents) with active shrimp farms and mangroves under a recolonization process. We found that the structure and composition of active shrimp farms microbial communities differ from the control mangrove forests, mangroves under the impact of the shrimp farming effluents, and mangroves under recolonization. Shrimp farming ponds microbiomes have lower microbial diversity and are dominated by halophilic microorganisms, presenting high abundance of multiple antibiotic resistance genes. On the other hand, control mangrove forests, impacted mangroves (exposed to the shrimp farming effluents), and recolonization ponds were more diverse, with a higher abundance of genes related to carbon mobilization. Our data also indicated that the microbiome is recovering in the mangrove recolonization ponds, performing vital metabolic functions and functionally resembling microbiomes found in those soils of neighboring control mangrove forests. Despite highlighting the damage caused by the habitat changes in mangrove soil microbiome community and functioning, our study sheds light on these systems incredible recovery capacity. Our study shows the importance of natural mangrove forest recovery, enhancing ecosystem services by the soil microbial communities even in a very early development stage of mangrove forest, thus encouraging mangrove conservation and restoration efforts worldwide.
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Affiliation(s)
- Miguel Loiola
- Instituto de Biologia, Universidade Federal da Bahia, Salvador, Brazil
| | | | - Marcos Krull
- Leibniz Centre for Agricultural Landscape Research (ZALF), Germany
| | | | | | - Vinicius F Patire
- Centro Interdisciplinar de Energia e Ambiente (CIENAM), Universidade Federal da Bahia, Brazil
| | | | - Francisco Barros
- Instituto de Biologia, Universidade Federal da Bahia, Salvador, Brazil; Instituto Nacional de Estudos Interdisciplinares e Transdisciplinares em Ecologia e Evolução (IN-TREE), Brazil
| | - Vanessa Hatje
- Centro Interdisciplinar de Energia e Ambiente (CIENAM), Universidade Federal da Bahia, Brazil; Instituto de Química, Universidade Federal da Bahia, Brazil
| | - Pedro Milet Meirelles
- Instituto de Biologia, Universidade Federal da Bahia, Salvador, Brazil; Instituto Nacional de Estudos Interdisciplinares e Transdisciplinares em Ecologia e Evolução (IN-TREE), Brazil.
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22
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Callac N, Boulo V, Giraud C, Beauvais M, Ansquer D, Ballan V, Maillez JR, Wabete N, Pham D. Microbiota of the Rearing Water of Penaeus stylirostris Larvae Influenced by Lagoon Seawater and Specific Key Microbial Lineages of Larval Stage and Survival. Microbiol Spectr 2022; 10:e0424122. [PMID: 36416556 PMCID: PMC9769815 DOI: 10.1128/spectrum.04241-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 11/09/2022] [Indexed: 11/24/2022] Open
Abstract
Aquacultured animals are reared in water, where they interact with microorganisms which can be involved in their development, immunity, and disease. It is therefore interesting to study the rearing water microbiota, especially in the hatcheries of the Pacific blue shrimp Penaeus stylirostris, where larval mass mortalities occur. In this study, using HiSeq sequencing of the V4 region of the 16S rRNA molecule coupled with zootechnical and chemical analyses, we investigated whether any microbial lineages could be associated with certain mortality rates at a given larval stage. Our results indicate that the active microbiota of the rearing water was highly dynamic throughout the rearing process, with distinct communities influenced by progressive water eutrophication, larval stage, and survival rate. Our data also highlighted the role of the lagoon seawater on the rearing water microbiome, as many operational taxonomic units (OTUs) specific to a given larval stage and survival rate were detected in the primary reservoir which contained the lagoon water. We also identified biomarkers specific to water eutrophication, with Alteromonadaceae, Vibrionaceae, and Methylophilaceae, respectively, linked to increases in ammonia, nitrogen, and soluble reactive phosphate, or to increases in colored dissolved organic matter in the rearing water; other biomarkers were specific to certain larval stages and survival rates. Indeed, the Marinobacteraceae were specific to the Nauplii, and the Thalassospiraceae and Saprospiraceae to the Zoea Good condition; when mortality occurred, the Litoricolaceae were specific to the Zoea Bad, Microbacteraceae to the Mysis Bad, and Methylophilaceae to the Mysis Worst condition. Thus, these biomarkers might be used as potential early warning sentinels in water storage to infer the evolution of larval rearing to improve shrimp larval rearing. IMPORTANCE In New Caledonia, rearing of P. stylirostris is one of the main economic activities; unfortunately, mass larval mortalities cause important production decreases, involving major economic losses for the farmers and the Territory. This phenomenon, which has occurred at any larval stage over the past decade, is poorly understood. The significance of our research is in the identification of biomarkers specific to larval stage and survival rate, with some of these biomarkers being already present in the lagoon water. This enhances the role of the lagoon on the active microbiota of the rearing water at various larval stages and survival rates. Together, our results help us understand which active microbial communities are present in the rearing water according to larval stage and health. This might lead to broader impacts on hatcheries by helping to develop useful tools for using the water-lagoon, reservoir, or rearing-to test for the presence of these biomarkers as an early monitoring strategy.
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Affiliation(s)
- Nolwenn Callac
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Nouméa, New Caledonia
| | - Viviane Boulo
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Nouméa, New Caledonia
| | - Carolane Giraud
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Nouméa, New Caledonia
- Institut des Sciences Exactes et Appliquées (ISEA), University of New Caledonia, Nouméa, New Caledonia
| | - Maxime Beauvais
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Nouméa, New Caledonia
| | - Dominique Ansquer
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Nouméa, New Caledonia
| | - Valentine Ballan
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Nouméa, New Caledonia
| | - Jean-René Maillez
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Nouméa, New Caledonia
| | - Nelly Wabete
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Nouméa, New Caledonia
| | - Dominique Pham
- Ifremer, IRD, Université de la Nouvelle-Calédonie, Université de La Réunion, CNRS, UMR 9220 ENTROPIE, Nouméa, New Caledonia
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Si R, Yao Y, Liu X, Lu Q, Liu M. Role of risk perception and government regulation in reducing over-utilization of veterinary antibiotics: Evidence from hog farmers of China. One Health 2022; 15:100448. [DOI: 10.1016/j.onehlt.2022.100448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 11/06/2022] Open
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Jaglan AB, Anand T, Verma R, Vashisth M, Virmani N, Bera BC, Vaid RK, Tripathi BN. Tracking the phage trends: A comprehensive review of applications in therapy and food production. Front Microbiol 2022; 13:993990. [PMID: 36504807 PMCID: PMC9730251 DOI: 10.3389/fmicb.2022.993990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 10/05/2022] [Indexed: 11/25/2022] Open
Abstract
In the present scenario, the challenge of emerging antimicrobial resistance is affecting human health globally. The increasing incidences of multidrug-resistant infections have become harder to treat, causing high morbidity, and mortality, and are posing extensive financial loss. Limited discovery of new antibiotic molecules has further complicated the situation and has forced researchers to think and explore alternatives to antibiotics. This has led to the resurgence of the bacteriophages as an effective alternative as they have a proven history in the Eastern world where lytic bacteriophages have been used since their first implementation over a century ago. To help researchers and clinicians towards strengthening bacteriophages as a more effective, safe, and economical therapeutic alternative, the present review provides an elaborate narrative about the important aspects of bacteriophages. It abridges the prerequisite essential requirements of phage therapy, the role of phage biobank, and the details of immune responses reported while using bacteriophages in the clinical trials/compassionate grounds by examining the up-to-date case reports and their effects on the human gut microbiome. This review also discusses the potential of bacteriophages as a biocontrol agent against food-borne diseases in the food industry and aquaculture, in addition to clinical therapy. It finishes with a discussion of the major challenges, as well as phage therapy and phage-mediated biocontrols future prospects.
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Affiliation(s)
- Anu Bala Jaglan
- Department of Zoology and Aquaculture, Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
| | - Taruna Anand
- ICAR – National Research Centre on Equines, Hisar, India,*Correspondence: Taruna Anand,
| | - Ravikant Verma
- Department of Zoology and Aquaculture, Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
| | - Medhavi Vashisth
- Department of Molecular Biology, Biotechnology, and Bioinformatics, Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
| | - Nitin Virmani
- ICAR – National Research Centre on Equines, Hisar, India
| | - B. C. Bera
- ICAR – National Research Centre on Equines, Hisar, India
| | - R. K. Vaid
- ICAR – National Research Centre on Equines, Hisar, India
| | - B. N. Tripathi
- Animal Science Division, Indian Council of Agricultural Research, Krishi Bhawan, New Delhi, India
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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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Antibiotics usage practices in aquaculture in Bangladesh and their associated factors. One Health 2022; 15:100445. [PMID: 36277097 PMCID: PMC9582543 DOI: 10.1016/j.onehlt.2022.100445] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 10/10/2022] [Accepted: 10/10/2022] [Indexed: 11/05/2022] Open
Abstract
Background Irrational and inappropriate use of antibiotics in aquaculture can contribute to the development of antibiotic resistance. Objectives In this study, we aimed to assess antibiotic usage in inland and coastal fish farms in Bangladesh and identify factors associated with this practice. Methods We conducted a cross-sectional study to collect antibiotic usage information from 672 fish farmers in Bangladesh. The frequency of use, the types of antibiotics, the purpose of usage, and antibiotic prescribing practices were estimated. Adjusted odds ratios (aOR) were calculated to measure the association between antibiotic usage and factors related to the characteristics of the farms and farmers using multivariable logistic regression models. Results Twenty-two farms reported using antibiotics in the last 24 h preceding the interview (3%, 95% CI: 2-5%); 36 farms (5%, 95% CI: 4-7%) in the last 72 h, 141 farms (21%, 95% CI: 18-24%) in the last 14 days, and 478 farms (71%, 68-75%) reported antibiotic usage at least once since the start of their production cycle. Antibiotics usage in the last 14 days preceding the interviews was higher in freshwater fish farms (98%) than in brackish water farms (2%). Oxytetracycline, ciprofloxacin, and amoxicillin were the most frequently used antibiotics. Most of the antibiotics were reported to be used for both therapeutic and prophylactic purposes (71%, 95% CI: 63-78%). Antibiotics used within the last 14 days were mainly advised by feed dealers or drug sellers (51%, 95% CI: 43-60%), followed by farmers themselves (31%, 95% CI: 23-38%) and local service providers (18%, 95% CI, 12-25%). Fish farms having history of antibiotic use within the last 14 days preceding interviews was significantly associated with illness in fish (aOR 1.98, 95% CI:1.21-3.29) compared to farms with healthy fish and fishes cultured in ponds (aOR 9.34, 95% CI: 3.69-23.62) compared to enclosure cultures. Conclusions Improvement of fish health through better farming practices and changes in feed dealers' and farmers' attitudes towards self-prescription of antibiotic without veterinarian diagnostics may help to reduce the levels of antibiotic usage and thus contribute to mitigating antimicrobial resistance.
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Monsalve ER, Quiroga E. Farmed shrimp aquaculture in coastal wetlands of Latin America - A review of environmental issues. MARINE POLLUTION BULLETIN 2022; 183:113956. [PMID: 36058720 DOI: 10.1016/j.marpolbul.2022.113956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 06/16/2022] [Accepted: 07/13/2022] [Indexed: 06/15/2023]
Abstract
The world production of farmed Whiteleg shrimp was 5,812,180 t in 2020. Ecuador, Mexico, and Brazil produced 1,012,830 in that year according to data FishStatJ. Environmental impact studies were scarce given the rapid growth of this activity, mainly on cummulative impacts, loss of ecosystems services or resilience of wetlands and mangroves. Aspects of the management of environmental impacts published on American studies during 1986-2020 are analyzed. The main impacts included the loss of mangroves and their transformation of these ecosystems and their water bodies by receiving enriched effluents from shrimp farms. Different management measures are discussed between Ecuador, which contributes 63.76 % of American production of white leg shrimp; Brazil which published 46.2 % of the environmental studies of the analyzed period, and Mexico, in an intermediate situation. Finally, alternatives are discussed to improve the management of shrimp aquaculture with emphasis on the Ecuadorian context.
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Affiliation(s)
- Eduardo Rebolledo Monsalve
- Programa Cooperativo Doctorado en Acuicultura PUCV, UCH y UCN, Chile; Pontificia Universidad Católica del Ecuador Sede Esmeraldas, Escuela de Gestión Ambiental, EGA-PUCESE, Ecuador.
| | - Eduardo Quiroga
- Pontificia Universidad Católica de Valparaíso (PUCV), Escuela de Ciencias Del Mar, Valparaíso, Chile
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Salmonella enterica Serovar Typhimurium and Enteritidis Isolated from Raw Shrimp in Bangladesh: An Investigation Based on Molecular Characteristics, Survival, Virulence, Antibiotic Resistance, and Biofilm Formation Attributes. J FOOD QUALITY 2022. [DOI: 10.1155/2022/3420364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Shrimp is the white gold of Bangladesh, with the second-highest income source from exporting to foreign countries. Contamination with Salmonella spp. is now one of the significant issues for Bangladesh to export. Proper characterization of the salmonella pathogen is thus necessary to avoid undesirable losses due to the rejection of exported shrimp. In Bangladesh, the present condition of raw shrimp contamination with pathogenic Salmonella serovars and their survival/virulence properties was not adequately characterized. In this study, we collected 43 raw shrimps as samples from different farms in Jashore, Khulna, and Sathkhira regions. We then maintained standard cultural and biochemical protocols for isolating Salmonella strains, followed by the molecular identification of particular Salmonella serovars. The standard method for checking its credibility to form biofilm in 0–10% NaCl, tolerate acid/bile stress likewise in the gastrointestinal tract, and resist antimicrobial pressure was performed individually with the particular pathogenic strains. Our results successfully identified eleven Salmonella strains with three typhimurium serovars and three enteritidis serovars, which have biofilm-forming capability up to 4–8% NaCl, acid/bile habituation alike stomach/small intestine of humans, and resistance against necessary antibiotics generally used in treating human and poultry infection signifying the impending danger in the shrimp industry. While previous studies of Bangladesh successfully isolated Salmonella only presumptively, our research focused mainly on molecular characterization of the human Salmonella pathogen along with important survival and virulent attributes, such as biofilm formation, acid/bile tolerance, and antibiotic resistance of selected S. typhimurium and S. enteritidis strains. Further study with more sampling will be necessary to confer the transmission route of the pathogen from the natural reservoir to the shrimp industry.
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29
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Loest D, Uhland FC, Young KM, Li XZ, Mulvey MR, Reid-Smith R, Sherk LM, Carson CA. Carbapenem-resistant Escherichia coli from shrimp and salmon available for purchase by consumers in Canada: a risk profile using the Codex framework. Epidemiol Infect 2022; 150:e148. [PMID: 35968840 PMCID: PMC9386791 DOI: 10.1017/s0950268822001030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 04/28/2022] [Accepted: 05/21/2022] [Indexed: 11/05/2022] Open
Abstract
Resistance to carbapenems in human pathogens is a growing clinical and public health concern. The carbapenems are in an antimicrobial class considered last-resort, they are used to treat human infections caused by multidrug-resistant Enterobacterales, and they are classified by the World Health Organization as 'High Priority Critically Important Antimicrobials'. The presence of carbapenem-resistant Enterobacterales (CREs) of animal-origin is of concern because targeted studies of Canadian retail seafood revealed the presence of carbapenem resistance in a small number of Enterobacterales isolates. To further investigate this issue, a risk profile was developed examining shrimp and salmon, the two most important seafood commodities consumed by Canadians and Escherichia coli, a member of the Enterobacterales order. Carbapenem-resistant E. coli (CREc) isolates have been identified in shrimp and other seafood products. Although carbapenem use in aquaculture has not been reported, several classes of antimicrobials are utilised globally and co-selection of antimicrobial-resistant microorganisms in an aquaculture setting is also of concern. CREs have been identified in retail seafood purchased in Canada and are currently thought to be uncommon. However, data concerning CRE or CREc occurrence and distribution in seafood are limited, and argue for implementation of ongoing or periodic surveillance.
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Affiliation(s)
- Daleen Loest
- Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, Ontario, Canada
| | - F. Carl Uhland
- Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, Ontario, Canada
| | - Kaitlin M. Young
- Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, Ontario, Canada
| | - Xian-Zhi Li
- Veterinary Drugs Directorate, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada
| | - Michael R. Mulvey
- National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - Richard Reid-Smith
- Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, Ontario, Canada
| | - Lauren M. Sherk
- Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, Ontario, Canada
| | - Carolee A. Carson
- Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, Ontario, Canada
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Ali S, Xie J, Zada S, Hu Z, Zhang Y, Cai R, Wang H. Bacterial community structure and bacterial isolates having antimicrobial potential in shrimp pond aquaculture. AMB Express 2022; 12:82. [PMID: 35737135 PMCID: PMC9226248 DOI: 10.1186/s13568-022-01423-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 06/13/2022] [Indexed: 11/29/2022] Open
Abstract
Diseases outbreaks in pond aquaculture have resulted in huge losses to the aquaculture industry. The emergence of non-antimicrobial and environment friendly agents (probiotics) is the potential consideration for the healthy shrimp aquaculture. The present study was aimed to compare the bacterial community compositions in shrimp ponds and surrounding seawater, as well as isolate probiotic bacteria from the shrimp ponds. Based on the high-throughput of 16S rRNA gene sequencing, all sequences were assigned to 3584 unique operational taxonomic units (OTUs) at 97% similarity levels, which were affiliated with 24 phyla, 54 classes, 235 families, and 367 genera. The 10 most abundant phyla were Bacteroidota, Proteobacteria, Actinobacteriota, Planctomycetota, Cyanobacteria, Chloroflexi, Firmicutes, Desulfobacterota, Patescibacteria and Verrucomicrobiota. Notably, the alpha diversity (Shannon diversity) of shrimp ponds was significantly differences (P < 0.05) with that of surrounding seawater. There were 2498 and 791 unique OTUs in shrimp ponds and surrounding seawater, respectively. A total of 15 isolates were obtained in the culturable bacterial diversity, and the antibacterial activities were recorded for potential probiotic bacterial isolates against different tested bacterial isolates including pathogenic bacteria. An isolate Hallobacillusmarinus HMALI004 showed strong inhibitory effects against three pathogenic bacteria, Vibrio cholerae CECT 514, non AHPND V. parahaemolyticus BCRC12959 and AHPND V. parahaemolyticus PD-2. The isolates Algophigussanaruensis AGALI005, Algoriphagus taiwanensis ATALI009 and Bacillusaequororis BAALI008 were also identified as potential probiotics strains.
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Affiliation(s)
- Sardar Ali
- Biology Department, Institute of Marine Sciences, College of Science, Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Jianmin Xie
- Biology Department, Institute of Marine Sciences, College of Science, Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Sahib Zada
- Biology Department, Institute of Marine Sciences, College of Science, Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China
| | - Zhong Hu
- Biology Department, Institute of Marine Sciences, College of Science, Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China.,Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China
| | - Yueling Zhang
- Biology Department, Institute of Marine Sciences, College of Science, Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China.,Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China
| | - Runlin Cai
- Biology Department, Institute of Marine Sciences, College of Science, Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China.
| | - Hui Wang
- Biology Department, Institute of Marine Sciences, College of Science, Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou, 515063, China. .,Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China.
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Chen Z, Zhang J, Ming Z, Tong H, Wu J, Chen Q, Wang Y, Luo F, Wang Y, Feng T. As-Cathelicidin4 enhances the immune response and resistance against Aeromonas hydrophila in caridean shrimp. JOURNAL OF FISH DISEASES 2022; 45:743-754. [PMID: 35100453 DOI: 10.1111/jfd.13588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 06/14/2023]
Affiliation(s)
- Zhiqiang Chen
- Institute of Biology and Medical Sciences, Jiangsu Key Laboratory of Infection and Immunity, Soochow University, Suzhou, China
- Department of Nuclear Medicine, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Jinyu Zhang
- Institute of Biology and Medical Sciences, Jiangsu Key Laboratory of Infection and Immunity, Soochow University, Suzhou, China
| | - Zhihao Ming
- Institute of Biology and Medical Sciences, Jiangsu Key Laboratory of Infection and Immunity, Soochow University, Suzhou, China
| | - Hao Tong
- Institute of Biology and Medical Sciences, Jiangsu Key Laboratory of Infection and Immunity, Soochow University, Suzhou, China
| | - Jiahui Wu
- Institute of Biology and Medical Sciences, Jiangsu Key Laboratory of Infection and Immunity, Soochow University, Suzhou, China
| | - Qiaoqiao Chen
- Institute of Biology and Medical Sciences, Jiangsu Key Laboratory of Infection and Immunity, Soochow University, Suzhou, China
| | - Yintao Wang
- Institute of Biology and Medical Sciences, Jiangsu Key Laboratory of Infection and Immunity, Soochow University, Suzhou, China
| | - Fangmei Luo
- Institute of Biology and Medical Sciences, Jiangsu Key Laboratory of Infection and Immunity, Soochow University, Suzhou, China
| | - Yipeng Wang
- College of Pharmaceutical Sciences, Soochow University, Suzhou, China
| | - Tingting Feng
- Institute of Biology and Medical Sciences, Jiangsu Key Laboratory of Infection and Immunity, Soochow University, Suzhou, China
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Lassen SB, Ahsan ME, Islam SR, Zhou XY, Razzak MA, Su JQ, Brandt KK. Prevalence of antibiotic resistance genes in Pangasianodon hypophthalmus and Oreochromis niloticus aquaculture production systems in Bangladesh. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 813:151915. [PMID: 34826462 DOI: 10.1016/j.scitotenv.2021.151915] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 11/19/2021] [Accepted: 11/19/2021] [Indexed: 06/13/2023]
Abstract
Antibiotic resistance genes (ARGs) constitute emerging pollutants of significant public health concern. Antibiotics applied in aquaculture may stimulate the proliferation and dissemination of ARGs. This study investigated the prevalence and diversity of ARGs in Pangasianodon hypophthalmus (formerly Pangasius) and Oreochromis niloticus (formerly Tilapia) commercial aquaculture ponds from four economically important divisions (i.e. regions) of Bangladesh using a high-throughput qPCR ARG SmartChip and further aimed to explore effects of aquaculture pond management and water quality on the observed ARG prevalence patterns. A total of 160 ARGs and 10 mobile genetic elements (MGEs) were detected across all samples (n = 33), of which 76 ARGs and MGEs were shared between all regions. Multidrug resistance genes were the most frequently encountered ARGs, followed by ARGs conferring resistance to β-lactams, aminoglycosides, tetracyclines, and macrolide-lincosamide-streptogramin B (MLSB). Research ponds managed by the Bangladesh Agricultural University had the lowest abundance and diversity of ARGs, suggesting that proper management such as regular water quality monitoring, fortnightly water exchange and use of probiotics instead of antibiotics may mitigate the dissemination of antibiotic resistance from aquaculture ponds. The Adonis test (R2 = 0.35, p < 0.001) and distance decay relationships revealed that the ARGs composition displayed a significant biogeographical pattern (i.e., separation based on geographic origin). However, this effect could possibly be due to feed type as different feed types were used in different regions. In conclusion, our results indicate that there is a vast potential for improving aquaculture pond management practices in Bangladesh to mitigate the environmental dissemination of ARGs and their subsequent transmission to humans.
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Affiliation(s)
- Simon Bo Lassen
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg, Denmark; Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China; Sino-Danish Center for Education and Research (SDC), University of Chinese Academy of Sciences, 380 Huaibeizhuang, Beijing, China
| | - Md Emranul Ahsan
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg, Denmark; Department of Aquaculture, Patuakhali Science and Technology University, Dumki, Patuakhali 8602, Bangladesh; Department of Fisheries Management, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Salna, Gazipur 1706, Bangladesh
| | - Seikh Razibul Islam
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg, Denmark; Department of Aquaculture, Patuakhali Science and Technology University, Dumki, Patuakhali 8602, Bangladesh
| | - Xin-Yuan Zhou
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Muhammad Abdur Razzak
- Department of Aquaculture, Patuakhali Science and Technology University, Dumki, Patuakhali 8602, Bangladesh
| | - Jian-Qiang Su
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, 1799 Jimei Road, Xiamen 361021, China
| | - Kristian Koefoed Brandt
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871 Frederiksberg, Denmark; Sino-Danish Center for Education and Research (SDC), University of Chinese Academy of Sciences, 380 Huaibeizhuang, Beijing, China.
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Davis RP, Boyd CE, Godumala R, Ch Mohan AB, Gonzalez A, Duy NP, Sasmita J PG, Ahyani N, Shatova O, Wakefield J, Harris B, McNevin AA, Davis DA. Assessing the variability and discriminatory power of elemental fingerprints in whiteleg shrimp Litopenaeus vannamei from major shrimp production countries. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108589] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Feng Y, Hu J, Chen Y, Xu J, Yang B, Jiang J. Ecological response to antibiotics re-entering the aquaculture environment with possible long-term antibiotics selection based on enzyme activity in sediment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:19033-19044. [PMID: 34705202 DOI: 10.1007/s11356-021-17114-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 10/15/2021] [Indexed: 06/13/2023]
Abstract
Antibiotics are frequently applied in aquaculture to control infectious diseases and promote aquaculture production. The long-term application of antibiotics can lead to antibiotic resistance within an ecosystem. Herein, we assessed the ecological responses to two antibiotics (oxytetracycline (OTC) and sulfadiazine (SD)) at three concentrations (0 mg/kg (control), 10 mg/kg, and 1000 mg/kg) re-entering the aquaculture sediments of shrimp ponds with an approximately long-term drug application history (5, 15, and more than 30 years) for 2 and 4 months. For the newly reclaimed aquaculture ponds (approximately 5 years), the re-entered OTC significantly promoted urease activity (UA) and peroxidase activity (POA), while inhibited dehydrogenase activity (DHA) and fluorescein diacetate esterase activity (FDA). Meanwhile, the re-entered SD showed promotional effects on POA and DHA, and inhibitory effects on UA and FDA. For ponds with 15 years of aquaculture history, re-entered OTC promoted POA, inhibited FDA, and changed the influencing effects of UA and DHA with exposure time. The re-entered SD showed promotional effects on UA, POA and DHA, and inhibitory effects on FDA. For long-term aquaculture ponds (more than 30 years of aquaculture history), re-entered OTC promoted POA, DHA, and FDA, while it inhibited UA. Meanwhile, SD promoted all four enzyme activities. Pearson correlation analysis indicated that the variances of enzyme responses to the re-entry of antibiotics in the three sediment environments were related with the type, concentration, and exposure time of antibiotics, as well as the sediment properties and aquaculture history. The enzyme activities in the sediment environment from newly reclaimed aquaculture ponds were more sensitive to the re-entered antibiotics, while the enzyme activities displayed a clear tolerance in the sediment environment with more than 30 years of aquaculture history. However, in the sediment environment with 15 years of aquaculture history, the response of the enzyme activities to re-entered antibiotics demonstrated time processes of antibiotic adaptation during antibiotic resistance selection. This study has illustrated the effects of re-entered antibiotics on enzyme activities in the aquaculture environment with long-term antibiotic resistance/tolerance profiles, and further establishes the possible effects on ecosystem functioning in continuous antibiotic selection pressure.
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Affiliation(s)
- Ying Feng
- School of Resources and Environmental Science, Quanzhou Normal University, Quanzhou, 362000, China
- Institute of Environmental Sciences, Quanzhou Normal University, Quanzhou, 362000, China
| | - Juncong Hu
- School of Resources and Environmental Science, Quanzhou Normal University, Quanzhou, 362000, China
| | - Yongshan Chen
- School of Resources and Environmental Science, Quanzhou Normal University, Quanzhou, 362000, China.
- Institute of Environmental Sciences, Quanzhou Normal University, Quanzhou, 362000, China.
| | - Jinghua Xu
- School of Resources and Environmental Science, Quanzhou Normal University, Quanzhou, 362000, China
- Institute of Environmental Sciences, Quanzhou Normal University, Quanzhou, 362000, China
| | - Benfan Yang
- School of Resources and Environmental Science, Quanzhou Normal University, Quanzhou, 362000, China
| | - Jinping Jiang
- Guangxi Scientific Experiment Center of Mining, Metallurgy and Environment, Guilin University of Technology, Guilin, 541004, People's Republic of China
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Kim DY, Shinde SK, Kadam AA, Saratale RG, Saratale GD, Kumar M, Syed A, Bahkali AH, Ghodake GS. Advantage of Species Diversification to Facilitate Sustainable Development of Aquaculture Sector. BIOLOGY 2022; 11:368. [PMID: 35336742 PMCID: PMC8945328 DOI: 10.3390/biology11030368] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/13/2022] [Accepted: 02/24/2022] [Indexed: 12/11/2022]
Abstract
Intensified agrochemical-based monoculture systems worldwide are under adoption to meet the challenge of human population growth and the ever-growing global demand for food. However, this path has been opposed and criticized because it involves overexploitation of land, monoculture of few species, excessive input of agrochemicals, and adverse impacts on human health and the environment. The wide diversity among polyculture systems practiced across the globe has created confusion over the priority of a single strategy towards sustainable aquaculture development and safer products. Herein, we highlight the significance of polyculture and integrated aquaculture practices in conveying the successful transition of the aquaculture industry towards sustainable development. So far, the established thought is that the precise selection of aquatic species and a focus on compatible and complementary species combinations are supposed to facilitate rapid progress in food production with more profitability and sustainability. Therefore, the advantages of species diversification are discussed from an ecological perspective to enforce aquaculture expansion. This account asserts that a diverse range of aquaculture practices can promote synergies among farmed species, enhance system resilience, enable conservation, decrease ecological footprints, and provide social benefits such as diversified income and local food security.
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Affiliation(s)
- Dae-Young Kim
- Department of Biological and Environmental Science, College of Life Science and Biotechnology, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Korea; (D.-Y.K.); (S.K.S.)
| | - Surendra Krushna Shinde
- Department of Biological and Environmental Science, College of Life Science and Biotechnology, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Korea; (D.-Y.K.); (S.K.S.)
| | - Avinash Ashok Kadam
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Korea; (A.A.K.); (R.G.S.)
| | - Rijuta Ganesh Saratale
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Korea; (A.A.K.); (R.G.S.)
| | - Ganesh Dattatraya Saratale
- Department of Food Science and Biotechnology, College of Life Science and Biotechnology, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Korea;
| | - Manu Kumar
- Department of Life Science, College of Life Science and Biotechnology, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Korea;
| | - Asad Syed
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (A.S.); (A.H.B.)
| | - Ali H. Bahkali
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (A.S.); (A.H.B.)
| | - Gajanan Sampatrao Ghodake
- Department of Biological and Environmental Science, College of Life Science and Biotechnology, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Korea; (D.-Y.K.); (S.K.S.)
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Yasin A, Begum MK, Eshik MME, Punom NJ, Ahmmed S, Rahman MS. Molecular identification and antibiotic resistance patterns of diverse bacteria associated with shrimp PL nurseries of Bangladesh: suspecting Acinetobacter venetianus as future threat. PeerJ 2022; 10:e12808. [PMID: 35223199 PMCID: PMC8868018 DOI: 10.7717/peerj.12808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 12/27/2021] [Indexed: 01/11/2023] Open
Abstract
Shrimp aquaculture has been accomplished with breeding and nursing of shrimp in an artificial environment to fulfill the increasing demand of shrimp consumption worldwide. However, the microbial diseases appear as a serious problem in this industry. The study was designed to identify the diverse bacteria from shrimp PL (post-larvae) nurseries and to profile antibiotic resistance patterns. The rearing water (raw seawater, treated and outlet water) and shrimp PL were collected from eight nurseries of south-west Bangladesh. Using selective agar plates, thirty representative isolates were selected for 16S rRNA gene sequencing, antibiotic susceptibility test and MAR index calculation. Representative isolates were identified as Aeromonas caviae, Pseudomonas monteilii, Shewanella algae, Vibrio alginolyticus, V. brasiliensis, V. natriegens, V. parahaemolyticus, V. shilonii, V. xuii, Zobellella denitrificans which are Gram-negative, and Bacillus licheniformis and B. pumilus which are Gram-positive. Notably, six strains identified as Acinetobacter venetianus might be a concern of risk for shrimp industry. The antibiotic resistance pattern reveals that the strain YWO8-97 (identified as P. monteilii) was resistant to all twelve antibiotics. Ceftazidime was the most powerful antibiotic since most of the studied strains were sensitive against it. The six strains of A. venetianus showed multiple antibiotic resistance patterns. MAR index were ranged from 0.08 to 1.0, and values of 26 isolates were more than 0.2 which means prior high exposure to the antibiotics. From the present study, it can be concluded that shrimp PL nurseries in southern part of Bangladesh are getting contaminated with antibiotic resistant pathogenic bacteria.
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Affiliation(s)
- Abdullah Yasin
- Aquatic Animal Health Group, Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, Dhaka, Bangladesh
| | - Mst. Khadiza Begum
- Aquatic Animal Health Group, Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, Dhaka, Bangladesh
| | - Md. Mostavi Enan Eshik
- Aquatic Animal Health Group, Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, Dhaka, Bangladesh
| | - Nusrat Jahan Punom
- Aquatic Animal Health Group, Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, Dhaka, Bangladesh
| | - Shawon Ahmmed
- Aquatic Animal Health Group, Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, Dhaka, Bangladesh,Brackishwater Station, Bangladesh Fisheries Research Institute (BFRI), Khulna, Bangladesh
| | - Mohammad Shamsur Rahman
- Aquatic Animal Health Group, Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, Dhaka, Bangladesh
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Hossain A, Habibullah-Al-Mamun M, Nagano I, Masunaga S, Kitazawa D, Matsuda H. Antibiotics, antibiotic-resistant bacteria, and resistance genes in aquaculture: risks, current concern, and future thinking. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:11054-11075. [PMID: 35028843 DOI: 10.1007/s11356-021-17825-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 11/24/2021] [Indexed: 06/14/2023]
Abstract
Aquaculture is remarkably one of the most promising industries among the food-producing industries in the world. Aquaculture production as well as fish consumption per capita have been dramatically increasing over the past two decades. Shifting of culture method from semi-intensive to intensive technique and applying of antibiotics to control the disease outbreak are the major factors for the increasing trend of aquaculture production. Antibiotics are usually present at subtherapeutic levels in the aquaculture environment, which increases the selective pressure to the resistant bacteria and stimulates resistant gene transfer in the aquatic environment. It is now widely documented that antibiotic resistance genes and resistant bacteria are transported from the aquatic environment to the terrestrial environment and may pose adverse effects on human and animal health. However, data related to antibiotic usage and bacterial resistance in aquaculture is very limited or even absent in major aquaculture-producing countries. In particular, residual levels of antibiotics in fish and shellfish are not well documented. Recently, some of the countries have already decided the maximum residue levels (MRLs) of antibiotics in fish muscle or skin; however, many antibiotics are yet not to be decided. Therefore, an urgent universal effort needs to be taken to monitor antibiotic concentration and resistant bacteria particularly multiple antibiotic-resistant bacteria and to assess the associated risks in aquaculture. Finally, we suggest to take an initiative to make a uniform antibiotic registration process, to establish the MRLs for fish/shrimp and to ensure the use of only aquaculture antibiotics in fish and shellfish farming globally.
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Affiliation(s)
- Anwar Hossain
- Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, Dhaka, 1000, Bangladesh.
| | - Md Habibullah-Al-Mamun
- Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Ichiro Nagano
- Central Research Laboratory, Tokyo Innovation Center, Nippon Suisan Kaisha Ltd, 32-3 Nanakuni 1-Chome, Hacjioji, Tokyo, 192-0991, Japan
| | - Shigeki Masunaga
- Faculty of Environment and Information Sciences, Yokohama National University, Yokohama, 240-8501, Japan
| | - Daisuke Kitazawa
- Center for Integrated Underwater Observation Technology, Institute of Industrial Science, The University of Tokyo, Chiba, 277-8574, Japan
| | - Hiroyuki Matsuda
- Faculty of Environment and Information Sciences, Yokohama National University, Yokohama, 240-8501, Japan
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Wang X, Lin Y, Zheng Y, Meng F. Antibiotics in mariculture systems: A review of occurrence, environmental behavior, and ecological effects. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 293:118541. [PMID: 34800588 DOI: 10.1016/j.envpol.2021.118541] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/12/2021] [Accepted: 11/15/2021] [Indexed: 06/13/2023]
Abstract
Antibiotics are widely applied to prevent and treat diseases occurred in mariculture. The often-open nature of mariculture production systems has led to antibiotic residue accumulation in the culturing and adjacent environments, which can adversely affect aquatic ecosystems, and even human. This review summarizes the occurrence, environmental behavior, and ecological effects of antibiotics in mariculture systems based on peer-reviewed papers. Forty-five different antibiotics (categorized into ten groups) have been detected in mariculture systems around the world, which is far greater than the number officially allowed. Indiscriminate use of antibiotics is relatively high among major producing countries in Asia, which highlights the need for stricter enforcement of regulations and policies and effective antibiotic removal methods. Compared with other environmental systems, some environmental characteristics of mariculture systems, such as high salinity and dissolved organic matter (DOM) content, can affect the migration and transformation processes of antibiotics. Residues of antibiotics favor the proliferation of antibiotic resistance genes (ARGs). Antibiotics and ARGs alter microbial communities and biogeochemical cycles, as well as posing threats to marine organisms and human health. This review may provide a valuable summary of the effects of antibiotics on mariculture systems.
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Affiliation(s)
- Xiaotong Wang
- Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Yufei Lin
- National Marine Hazard Mitigation Service, Ministry of Natural Resource of the People's Republic of China, Beijing, 100194, China
| | - Yang Zheng
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China; National Marine Hazard Mitigation Service, Ministry of Natural Resource of the People's Republic of China, Beijing, 100194, China
| | - Fanping Meng
- Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, 266100, China; College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China.
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Nijman V, Stein FM. Meta-analyses of molecular seafood studies identify the global distribution of legal and illegal trade in CITES-regulated European eels. Curr Res Food Sci 2022; 5:191-195. [PMID: 35106483 PMCID: PMC8784285 DOI: 10.1016/j.crfs.2022.01.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 12/29/2021] [Accepted: 01/09/2022] [Indexed: 11/28/2022] Open
Abstract
Authentication of seafood products by means of molecular techniques has relevance for food sustainability and security, as well as international trade regulation, linked to transparency in food manufacturing. We focus on the molecular detection of the depleted European eel Anguilla anguilla, a species for which strict international trade regulations are in place since 2010, in studies conducted outside Europe. We found thirteen studies from nine countries (Canada, China, Japan, Malaysia, Peru, Singapore, South Korea, Taiwan, and USA) for which, on average, 59 ± 28% of the 330 sequenced eel samples comprised European eel. Only China, Japan, South Korea, and USA reported the import of European eel in the years prior to sampling. The authentication of eel products demonstrates a global, in part illegal, trade in European eel, covered up by incomplete or fraudulent labelling. This calls into question the compliance with existing national and international trade regulations and its implications for food safety and sustainability.
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Affiliation(s)
- Vincent Nijman
- Oxford Wildlife Trade Research Group, School of Social Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
- Centre for Functional Genomics, Department of Biological and Medical Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
| | - Florian Martin Stein
- Oxford Wildlife Trade Research Group, School of Social Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
- Institut für Geoökologie, Technische Universität Braunschweig, Langer Kamp 19c, Braunschweig, DE, 38106, Germany
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40
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Du S, Chen W, Yao Z, Huang X, Chen C, Guo H, Zhang D. Enterococcus faecium are associated with the modification of gut microbiota and shrimp post-larvae survival. Anim Microbiome 2021; 3:88. [PMID: 34952650 PMCID: PMC8710032 DOI: 10.1186/s42523-021-00152-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 12/13/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Probiotics are widely used to promote host health. Compared to mammals and terrestrial invertebrates, little is known the role of probiotics in aquatic invertebrates. In this study, eighteen tanks with eight hundred of shrimp post-larvae individuals each were randomly grouped into three groups, one is shrimps administered with E. faecium as probiotic (Tre) and others are shrimps without probiotic-treatment (CK1: blank control, CK2: medium control). We investigated the correlations between a kind of commercial Enterococcus faecium (E. faecium) powder and microbiota composition with function potentials in shrimp post-larvae gut. RESULTS We sequenced the 16S rRNA gene (V4) of gut samples to assess diversity and composition of the shrimp gut microbiome and used differential abundance and Tax4Fun2 analyses to identify the differences of taxonomy and predicted function between different treatment groups. The ingested probiotic bacteria (E. faecium) were tracked in gut microbiota of Tre and the shrimps here showed the best growth performance especially in survival ratio (SR). The distribution of SR across samples was similar to that in PCoA plot based on Bray-Curits and two subgroups generated (SL: SR < 70%, SH: SR ≥ 70%). The gut microbiota structure and predicted function were correlated with both treatment and SR, and SR was a far more important factor driving taxonomic and functional differences than treatment. Both Tre and SH showed a low and uneven community species and shorted phylogenetic distance. We detected a shift in composition profile at phylum and genus level and further identified ten OTUs as relevant taxa that both closely associated with treatment and SR. The partial least squares path model further supported the important role of relevant taxa related to shrimp survival ratio. CONCLUSIONS Overall, we found gut microbiota correlated to both shrimp survival and ingested probiotic bacteria (E. faecium). These correlations should not be dismissed without merit and will uncover a promising strategy for developing novel probiotics through certain consortium of gut microbiota.
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Affiliation(s)
- Shicong Du
- State Key Laboratory for Managing Biotic and Chemical Threats To the Quality and Safety of Agro-Products, Ningbo University, Ningbo, 315211, China.,School of Marine Sciences, Ningbo University, Ningbo, 315211, China.,School of Energy and Environment, City University of Hong Kong, Hong Kong, SAR, China
| | - Wei Chen
- School of Marine Sciences, Ningbo University, Ningbo, 315211, China
| | - Zhiyuan Yao
- State Key Laboratory for Managing Biotic and Chemical Threats To the Quality and Safety of Agro-Products, Ningbo University, Ningbo, 315211, China. .,School of Civil and Environmental Engineering, Ningbo University, Ningbo, 315211, China.
| | - Xiaolin Huang
- School of Marine Sciences, Ningbo University, Ningbo, 315211, China.,Zhejiang Mariculture Research Institute, Wenzhou, 325099, China
| | - Chen Chen
- Zhejiang Mariculture Research Institute, Wenzhou, 325099, China
| | - Haipeng Guo
- State Key Laboratory for Managing Biotic and Chemical Threats To the Quality and Safety of Agro-Products, Ningbo University, Ningbo, 315211, China.,School of Marine Sciences, Ningbo University, Ningbo, 315211, China
| | - Demin Zhang
- State Key Laboratory for Managing Biotic and Chemical Threats To the Quality and Safety of Agro-Products, Ningbo University, Ningbo, 315211, China. .,School of Marine Sciences, Ningbo University, Ningbo, 315211, China.
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41
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Davis R, Abebe A, Boyd C, McNevin A. Exploring the relationship between production intensity and land use: A meta-analytic approach with shrimp aquaculture. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 300:113719. [PMID: 34521002 DOI: 10.1016/j.jenvman.2021.113719] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 06/13/2023]
Abstract
Shrimp are one of the fastest growing commodities in aquaculture and have a considerable land footprint. Here, we explored the impact of utilizing different production methods (extensive vs intensive) for expanding shrimp production on the cumulative land footprint of shrimp aquaculture. A meta-analytic approach was utilized to simultaneously estimate model coefficients to explore three relationships: production intensity and total land burden, production intensity and the proportion of land at the farm, and production intensity and the farmland burden. A literature review was conducted and a total of 7 datasets, 22 subsets, and 973 individual farms were included in this study. The global models were as follows: model 1 → ln (total land burden) = 0.1165-0.3863 * ln (production intensity), model 2 → proportion of direct (farm) land use:total land use = 0.7592-0.1737 * ln (production intensity), model 3 → ln (direct land use) = 0.1991-0.9674 * ln (production intensity). Production expansion was modeled under different scenarios. The most land intensive projections involved using only extensive systems to increase production when compared to a business-as-usual scenario. The least land intensive scenario involved utilizing intensive systems. A scenario where farmland was not expanded used 17% less land and 28% less land to produce 7.5 and 10 million tons of shrimp, respectively, when compared to business-as-usual scenarios. These estimates are limited by uncertainty in shrimp feed composition but demonstrate the effect of production intensity on the overall land footprint of shrimp production.
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Affiliation(s)
- Robert Davis
- Auburn University, School of Fisheries, Aquaculture, and Aquatic Sciences, USA.
| | - Ash Abebe
- Auburn University, Department of Mathematics and Statistics, USA
| | - Claude Boyd
- Auburn University, School of Fisheries, Aquaculture, and Aquatic Sciences, USA
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42
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Mrozik W, Minofar B, Thongsamer T, Wiriyaphong N, Khawkomol S, Plaimart J, Vakros J, Karapanagioti H, Vinitnantharat S, Werner D. Valorisation of agricultural waste derived biochars in aquaculture to remove organic micropollutants from water - experimental study and molecular dynamics simulations. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 300:113717. [PMID: 34547568 PMCID: PMC8542888 DOI: 10.1016/j.jenvman.2021.113717] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 08/20/2021] [Accepted: 09/07/2021] [Indexed: 06/13/2023]
Abstract
In this work, we evaluated the valorisation of agricultural waste materials by transforming coconut husks and shells, corncobs and rice straw into biochar for water treatment in aquaculture. We compared the biochars' suitability for removal of organic micropollutants (acetaminophen, oxytetracycline, tetracycline, enrofloxacin, atrazine, diuron and diclofenac) from surface water needed for aquaculture. The biochars were prepared by three methods ranging from inexpensive drum kilns (200 °C) to pyrolysis with biogasfication (350-750 °C). Overall, antibiotics tetracycline and enrofloxacin were the most strongly sorbed micropollutants, and coconut husk biochar prepared at 750 °C was the best sorbent material. Molecular Dynamics simulations indicated that the major sorption mechanism is via π-π stacking interactions and there is a possibility of multilayer sorption for some of the micropollutants. We observed, a strong impact of ionic strength (salinity), which is an important consideration in coastal aquaculture applications. High salinity decreased the sorption for antibiotics oxytetracycline, tetracycline and enrofloxacin but increased diclofenac, atrazine and diuron sorption. We considered coconut husk biochar produced in drum kilns the most practical option for biochar applications in small-scale coastal aquacultures in South Asia. Pilot trials of canal water filtration at an aquaculture farm revealed that micropollutant sorption by coconut husk biochar under real-world conditions might be 10-500 times less than observed in the laboratory studies. Even so, biochar amendment of sand enhanced the micropollutant retention, which may facilitate subsequent biodegradation and improve the quality of brackish surface water used for food production in coastal aquaculture.
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Affiliation(s)
- Wojciech Mrozik
- School of Engineering, Newcastle University, Newcastle upon Tyne, NE1 7RU, United Kingdom.
| | - Babak Minofar
- Laboratory of Structural Biology and Bioinformatics, Institute of Microbiology of the Czech Academy of Sciences, Zámek 136, 37333, Nové Hrady, Czech Republic.
| | - Thunchanok Thongsamer
- Environmental Technology Program, School of Energy, Environment and Materials, King Mongkut's University of Technology Thonburi, 126 Pracha-uthit road, Bangmod, Bangkok, 10140, Thailand
| | - Nathacha Wiriyaphong
- Environmental Technology Program, School of Energy, Environment and Materials, King Mongkut's University of Technology Thonburi, 126 Pracha-uthit road, Bangmod, Bangkok, 10140, Thailand
| | - Sasiwimol Khawkomol
- Energy and Environmental Engineering Center, Faculty of Engineering at Kamphaeng Saen, Kasetsart University, Nakhon Pathom, Thailand
| | - Jidapa Plaimart
- School of Engineering, Newcastle University, Newcastle upon Tyne, NE1 7RU, United Kingdom
| | - John Vakros
- Department of Chemistry, University of Patras, Patras, 26504, Greece
| | | | - Soydoa Vinitnantharat
- Environmental Technology Program, School of Energy, Environment and Materials, King Mongkut's University of Technology Thonburi, 126 Pracha-uthit road, Bangmod, Bangkok, 10140, Thailand
| | - David Werner
- School of Engineering, Newcastle University, Newcastle upon Tyne, NE1 7RU, United Kingdom
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Wang M, Xu W, Zou J, Li S, Song Z, Zheng F, Ji W, Xu Z, Wang Q. The Programming of Antioxidant Capacity, Immunity, and Lipid Metabolism in Dojo Loach ( Misgurnus anguillicaudatus) Larvae Linked to Sodium Chloride and Hydrogen Peroxide Pre-treatment During Egg Hatching. Front Physiol 2021; 12:768907. [PMID: 34777025 PMCID: PMC8581469 DOI: 10.3389/fphys.2021.768907] [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: 09/01/2021] [Accepted: 10/11/2021] [Indexed: 11/13/2022] Open
Abstract
Non-nutritional stress during early life period has been reported to promote the metabolic programming in fish induced by nutritional stimulus. Sodium chloride (NaCl) and hydrogen peroxide (H2O2) have been widely applied during fish egg hatching, but the influences on health and metabolism of fish in their later life remain unknown. In the present study, H2O2 treatment at 400mg/L but not 200mg/L significantly increased the loach hatchability and decreased the egg mortality, while NaCl treatment at 1,000 and 3,000mg/L showed no significant influences on the loach hatchability nor egg mortality. Further studies indicated that 400mg/L H2O2 pre-treatment significantly enhanced the antioxidant capacity and the mRNA expression of genes involved in immune response of loach larvae, accompanied by the increased expression of genes involved in fish early development. However, the expression of most genes involved in lipid metabolism, including catabolism and anabolism of loach larvae, was significantly upregulated after 200mg/L H2O2 pre-treatment. NaCl pre-treatment also increased the expression of antioxidant enzymes; however, only the expression of C1q within the detected immune-related genes was upregulated in loach larvae. One thousand milligram per liter NaCl pre-treatment significantly increased the expression of LPL and genes involved in fish early development. Thus, our results suggested the programming roles of 400mg/L H2O2 pre-treatment during egg hatching in enhancing antioxidant capacity and immune response of fish larvae via promoting fish early development.
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Affiliation(s)
- Mengya Wang
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Wenyu Xu
- Ocean University of China, Qingdao, China
| | - Jiahong Zou
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Shuaitong Li
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Zixi Song
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Feifei Zheng
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Wei Ji
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Zhen Xu
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Qingchao Wang
- Department of Aquatic Animal Medicine, College of Fisheries, Huazhong Agricultural University, Wuhan, China
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44
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Chen JS, Hsu GJ, Hsu BM, Yang PY, Kuo YJ, Wang JL, Hussain B, Huang SW. Prevalence, virulence-gene profiles, antimicrobial resistance, and genetic diversity of human pathogenic Aeromonas spp. from shellfish and aquatic environments. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 287:117361. [PMID: 34004475 DOI: 10.1016/j.envpol.2021.117361] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 05/05/2021] [Accepted: 05/10/2021] [Indexed: 06/12/2023]
Abstract
Aeromonas are found in various habitats, particularly in aquatic environments. This study examined the presence of the most common human pathogenic Aeromonas species (Aeromonas caviae, A. hydrophila, and A. veronii) in surface water, sea water, and shellfish. The detection rates in fishing harbour seawater, shellfish farming seawater, and a river basin were 33.3%, 26.4%, and 29.4%, respectively, and high prevalence was observed in summer. The detection rates in shellfish procured from a fish market and shellfish farm were 34.9% and 13.3%, respectively. The most abundant species of human pathogenic Aeromonas detected via water sampling was A. caviae, whereas that obtained via shellfish sampling was A. veronii. The prevalence of human pathogenic Aeromonas in river water was lower in fishing harbours and in the estuary shellfish farming area. Here, 25 isolates of human pathogenic Aeromonas species were isolated from 257 samples and divided among 16 virulence profiles. The high virulence gene-carrying isolates (more than six genes) belonged to A. hydrophila. The shellfish-sourced isolates had the highest detection rates of act, aerA, and fla genes than of other virulence genes, and vice versa for seawater-sourced isolates. The Aeromonas isolates showed high levels of resistance to ampicillin-sulbactam; however, none were resistant to cefepime, ciprofloxacin, or gentamicin. The incidence of multiple drug resistance (MDR) in Aeromonas isolates was 20%. In this study, phylogenetic analysis with 16S rRNA sequencing, biochemical tests and enterobacterial repetitive intergenic consensus-polymerase chain reaction fingerprinting facilitated the distinct categorisation of three species of human pathogenic Aeromonas isolates. In addition, A. veronii isolates from the same geographical area were also concentrated in the same cluster. This study provides information on the risk of infection by Aeromonas with MDR and multiple virulence genes isolated from shellfish and aquatic environments.
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Affiliation(s)
- Jung-Sheng Chen
- Department of Earth and Environmental Sciences, National Chung Cheng University, Chiayi County, Taiwan; Department of Medical Research, E-Da Hospital, Kaohsiung, Taiwan
| | - Gwo-Jong Hsu
- Division of Infectious Diseases, Ditmanson Medical Foundation, Chia-Yi Christian Hospital, Chiayi City, Taiwan
| | - Bing-Mu Hsu
- Department of Earth and Environmental Sciences, National Chung Cheng University, Chiayi County, Taiwan; Center for Innovative on Aging Society, National Chung Cheng University, Chiayi County, Taiwan.
| | - Pei-Yu Yang
- Department of Laboratory, Show Chwan Memorial Hospital, Changhua, Taiwan
| | - Yi-Jie Kuo
- Department of Orthopedic Surgery, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan; Department of Orthopedic Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Jiun-Ling Wang
- Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Bashir Hussain
- Department of Earth and Environmental Sciences, National Chung Cheng University, Chiayi County, Taiwan; Department of Biomedical Sciences, National Chung Cheng University, Chiayi County, Taiwan
| | - Shih-Wei Huang
- Center for Environmental Toxin and Emerging Contaminant Research, Cheng Shiu University, Kaohsiung, Taiwan; Super Micro Research and Technology Center, Cheng Shiu University, Kaohsiung, Taiwan
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45
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Davis RP, Davis DA, Boyd CE. A preliminary survey of antibiotic residues in frozen shrimp from retail stores in the United States. Curr Res Food Sci 2021; 4:679-683. [PMID: 34632410 PMCID: PMC8495020 DOI: 10.1016/j.crfs.2021.09.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 09/15/2021] [Accepted: 09/22/2021] [Indexed: 11/16/2022] Open
Abstract
Shrimp are an important and valuable commodity for aquaculture that are widely traded internationally. Widespread antibiotic use has been documented in shrimp farming and is a common source of criticism of aquaculture products. Additionally, previous reports have found some evidence of antibiotic residues in shrimp samples obtained from retail stores in the United States, which is a concern for consumers. To further understand the prevalence of antibiotics in retail shrimp in the United States, shrimp samples obtained from grocery stores across 16 states were analyzed for 74 antibiotic compounds/metabolites at a commercial laboratory. 68 samples were analyzed for a multiclass antibiotic panel which included 66 antibiotics while a subset of 15 samples were analyzed for β-lactam antibiotics, Nitrofurans, and Oxytetracycline. Samples were obtained that were labeled as being from major production countries, including India, Indonesia, Thailand, and Vietnam. No detectable antibiotic residues were found in this survey in any samples. This is contrary to previous findings in frozen shrimp analyzed for antibiotics, which typically report low levels of the prevalence of antibiotics. Shrimp were collected from grocery stores in various locations in the US. 68 samples were tested for a panel of 66 antibiotics. 15 samples were tested for β-lactam, nitrofuran, and tetracycline residues. Testing showed no positive results for antibiotic residues. Larger surveys are needed to determine the presence of antibiotics in shrimp products.
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Affiliation(s)
- Robert P Davis
- Auburn Univeristy, School of Fisheries, Aquaculture, and Aquatic Sciences, 203 Swingle Hall, Auburn, Al, 36849, United States
| | - D Allen Davis
- Auburn Univeristy, School of Fisheries, Aquaculture, and Aquatic Sciences, 203 Swingle Hall, Auburn, Al, 36849, United States
| | - Claude E Boyd
- Auburn Univeristy, School of Fisheries, Aquaculture, and Aquatic Sciences, 203 Swingle Hall, Auburn, Al, 36849, United States
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46
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Davis R, Boyd CE, Wakefield J, Shatova O, McNevin A, Harris B, Davis DA. Trace element concentrations in white leg shrimp Litopenaeus vannamei from retail stores in the EU, UK, and USA and the ability to discern country of origin with classification models. Curr Res Food Sci 2021; 4:655-661. [PMID: 34604792 PMCID: PMC8473577 DOI: 10.1016/j.crfs.2021.09.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 09/08/2021] [Accepted: 09/13/2021] [Indexed: 11/29/2022] Open
Abstract
Shrimp are a globally traded aquaculture commodity that accounts for a large proportion of the monetary value of aquaculture. There are concerns among consumers about seafood labeling fraud and environmental sustainability. Therefore, the geographic origin of shrimp from retail stores was investigated with trace element profiling. 94 shrimp samples were collected from grocery stores across the USA, UK, and EU in 70 different grocery stores. The results of 24 elements are reported. Shrimp samples were from Thailand, India, Vietnam, Indonesia, and Ecuador were shown to have 15 elements that were statistically different across labeled country of origin, with Ecuador having unique post hoc group membership in 5 of the elements. Based on a classification procedure, shrimp were classified to labeled country of origin with an overall accuracy of 71.2%. Overall, the results suggest that elemental profiling could be a traceability tool for classifying samples of shrimp from retail stores. Frozen Shrimp samples were obtained from grocery stores in the EU and USA. Samples were analyzed for element concentrations in 42 elements. 24 elements were detectable and presented here. Samples from Ecuador shown property of having a unique elemental profile. Samples were classified to country of origin with reasonable accuracy (71%).
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Affiliation(s)
- Robert Davis
- Auburn University, School of Fisheries, Aquaculture, and Aquatic Sciences, 203 Swingle Hall, Auburn, AL, 36849, USA
| | - Claude E Boyd
- Auburn University, School of Fisheries, Aquaculture, and Aquatic Sciences, 203 Swingle Hall, Auburn, AL, 36849, USA
| | - Joshua Wakefield
- Oritain Global Limited, 167 High Street, Dunedin, 9016, New Zealand
| | - Olga Shatova
- Oritain Global Limited, 167 High Street, Dunedin, 9016, New Zealand
| | - Aaron McNevin
- World Wildlife Fund, 1250 24th St NW, Washington, DC, 20037, USA
| | - Blake Harris
- World Wildlife Fund, 1250 24th St NW, Washington, DC, 20037, USA
| | - D Allen Davis
- Auburn University, School of Fisheries, Aquaculture, and Aquatic Sciences, 203 Swingle Hall, Auburn, AL, 36849, USA
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47
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Janecko N, Bloomfield SJ, Palau R, Mather AE. Whole genome sequencing reveals great diversity of Vibrio spp in prawns at retail. Microb Genom 2021; 7. [PMID: 34586050 PMCID: PMC8715430 DOI: 10.1099/mgen.0.000647] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Consumption of prawns as a protein source has been on the rise worldwide with seafood identified as the predominant attributable source of human vibriosis. However, surveillance of non-cholera Vibrio is limited both in public health and in food. Using a population- and market share-weighted study design, 211 prawn samples were collected and cultured for Vibrio spp. Contamination was detected in 46 % of samples, and multiple diverse Vibrio isolates were obtained from 34 % of positive samples. Whole genome sequencing (WGS) and phylogenetic analysis illustrated a comprehensive view of Vibrio species diversity in prawns available at retail, with no known pathogenicity markers identified in Vibrio parahaemolyticus and V. cholerae. Antimicrobial resistance genes were found in 77 % of isolates, and 12 % carried genes conferring resistance to three or more drug classes. Resistance genes were found predominantly in V. parahaemolyticus, though multiple resistance genes were also identified in V. cholerae and V. vulnificus. This study highlights the large diversity in Vibrio derived from prawns at retail, even within a single sample. Although there was little evidence in this study that prawns are a major source of vibriosis in the UK, surveillance of non-cholera Vibrio is very limited. This study illustrates the value of expanding WGS surveillance efforts of non-cholera Vibrios in the food chain to identify critical control points for food safety through the production system and to determine the full extent of the public health impact.
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Affiliation(s)
- Nicol Janecko
- Quadram Institute Bioscience, Norwich Research Park, Norwich NR4 7UQ, UK
| | | | - Raphaëlle Palau
- Quadram Institute Bioscience, Norwich Research Park, Norwich NR4 7UQ, UK
| | - Alison E Mather
- Quadram Institute Bioscience, Norwich Research Park, Norwich NR4 7UQ, UK.,Faculty of Medicine and Health Sciences, University of East Anglia, Norwich NR4 7TJ, UK
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48
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De Silva LADS, Wickramanayake MVKS, Heo GJ. Occurrence of Virulence and Antimicrobial Resistance Determinants in Vibrio harveyi Isolated from Marine Food Fish Cultured in Korea. Microb Drug Resist 2021; 28:255-265. [PMID: 34569863 DOI: 10.1089/mdr.2020.0618] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Vibrio harveyi is a significant cause of infection in both marine animals and humans. It has been reported frequently in seafood-borne infections worldwide. This study was conducted to determine the potential health impact of the V. harveyi isolated from marine food fish cultured in Korea concerning their virulence and antimicrobial resistance. A total of 49 V. harveyi samples were isolated by biochemical tests and multiplex PCR. Phenotypic detection of virulence factors resulted DNase activity (81.63%), hemolysis (α = 75.51% and β = 12.25), gelatinase activity (71.43%), protease production (71.43%), phospholipase activity (65.31%), and lipase production (34.69%). Virulence genes, including VPI, tlh, tdh, toxR, VAC, and ctxAB, were detected in 57.14%, 44.90%, 36.73%, 22.45%, 12.24%, and 8.16% of the isolates, respectively. Resistance to ampicillin (77.55%), oxacillin (69.39%), nalidixic acid (53.06%), amoxicillin (46.94%), oxytetracycline (46.94%), colistin sulfate (34.69%), fosfomycin (34.69%), chloramphenicol (32.65%), streptomycin (32.65%), cephalothin (28.57%), oxytetracycline (26.53%), ceftriaxone (20.41%), erythromycin (14.29%), and cefoxitin (12.24%) was detected in disc diffusion assay. Most of the isolates were classified as multidrug resistant as they scored multiple antimicrobial resistance index ≥0.2. Furthermore, antimicrobial resistance genes tetB, qnrA, intI1 (Class 1 integron integrase), aac(6')-Ib, blaSHV, blaCTX-M, strA-strB, tetA, aphAI-IAB, qnrC, qnrS, and blaTEM were found in 81.63%, 67.35%, 61.22%, 46.94%, 44.90%, 44.90%, 36.73%, 18.37%, 10.20%, 10.20%, 8.16% and 6.12% of the isolates, respectively. In conclusion, the development of antimicrobial resistance among V. harveyi will ultimately reduce the efficacy of antimicrobials used for treating and can favor the development of more virulent V. harveyi strains.
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Affiliation(s)
- Liyana Arachchilage Dinithi S De Silva
- Laboratory of Aquatic Animal Medicine, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | | | - Gang-Joon Heo
- Laboratory of Aquatic Animal Medicine, Veterinary Medical Center and College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
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49
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Droumpali A, Hübner J, Gram L, Taboryski R. Fabrication of Microstructured Surface Topologies for the Promotion of Marine Bacteria Biofilm. MICROMACHINES 2021; 12:926. [PMID: 34442548 PMCID: PMC8401315 DOI: 10.3390/mi12080926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 07/29/2021] [Accepted: 07/29/2021] [Indexed: 11/30/2022]
Abstract
Several marine bacteria of the Roseobacter group can inhibit other microorganisms and are especially antagonistic when growing in biofilms. This aptitude to naturally compete with other bacteria can reduce the need for antibiotics in large-scale aquaculture units, provided that their culture can be promoted and controlled. Micropatterned surfaces may facilitate and promote the biofilm formation of species from the Roseobacter group, due to the increased contact between the cells and the surface material. Our research goal is to fabricate biofilm-optimal micropatterned surfaces and investigate the relevant length scales for surface topographies that can promote the growth and biofilm formation of the Roseobacter group of bacteria. In a preliminary study, silicon surfaces comprising arrays of pillars and pits with different periodicities, diameters, and depths were produced by UV lithography and deep reactive ion etching (DRIE) on polished silicon wafers. The resulting surface microscale topologies were characterized via optical profilometry and scanning electron microscopy (SEM). Screening of the bacterial biofilm on the patterned surfaces was performed using green fluorescent staining (SYBR green I) and confocal laser scanning microscopy (CLSM). Our results indicate that there is a correlation between the surface morphology and the spatial organization of the bacterial biofilm.
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Affiliation(s)
- Ariadni Droumpali
- National Centre for Nano Fabrication and Characterization, Technical University of Denmark, 2800 Kongens Lyngby, Denmark; (A.D.); (J.H.)
| | - Jörg Hübner
- National Centre for Nano Fabrication and Characterization, Technical University of Denmark, 2800 Kongens Lyngby, Denmark; (A.D.); (J.H.)
| | - Lone Gram
- Department of Biotechnology and Biomedicine, Technical University of Denmark, 2800 Kongens Lyngby, Denmark;
| | - Rafael Taboryski
- National Centre for Nano Fabrication and Characterization, Technical University of Denmark, 2800 Kongens Lyngby, Denmark; (A.D.); (J.H.)
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Jin J, Zhou Y, Zhang Z, Wang H, Hou W, Wang H, Li R, Zhou M. Characteristics of Antimicrobial-Resistant Vibrio parahaemolyticus Strains and Identification of Related Antimicrobial Resistance Gene Mutations. Foodborne Pathog Dis 2021; 18:873-879. [PMID: 34279997 DOI: 10.1089/fpd.2020.2911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Multidrug-resistant (MDR) Vibrio parahaemolyticus strains have become a great threat to public health. The purpose of this study was to investigate differences in biological characteristics and antimicrobial resistance gene (ARG) mutations of V. parahaemolyticus that displayed different levels of antimicrobial resistance. The susceptibility of 74 V. parahaemolyticus strains to 9 common antimicrobials was investigated, of which 88% were resistant to 3-4 antimicrobials and 3% to 5-7 antimicrobials. Interestingly, only 9% were resistant to 1-2 antimicrobials. The MDR strains possessed longer growth lag time than the non-MDR strains and displayed weaker swimming abilities. Whole genome sequencing was performed on strains VP41, VP44, 460, and 469 that were resistant to two to three classes of antimicrobials. ARGs were identified and compared with that of reference strain ATCC17802, and some important mutations were deduced. The Val189Ile mutation emerged in qnr gene of a single strain. Besides, the nonsynonymous mutations existed in four ARGs in different strains, including CatB (Pro165Ser, Gly208Asp), VmeA (Ile313Thr), VmeC (Glu329Ala), and VmeD (Asn205Ser). These results linked resistance gene mutations to enhance resistance in V. parahaemolyticus strains and provide a reference for more effective monitoring and prevention of V. parahaemolyticus infections.
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Affiliation(s)
- Jiaqi Jin
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Yulei Zhou
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Zheng Zhang
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Huajuan Wang
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Wenfu Hou
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Hongxun Wang
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Rui Li
- School of Biology and Pharmaceutical Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Min Zhou
- School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, China
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