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Ghozzi K, Nakbi A, Challouf R, Dhiab RB. A review on microbial contamination cases in Tunisian coastal marine areas. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2023; 87:2142-2158. [PMID: 37186620 PMCID: wst_2023_123 DOI: 10.2166/wst.2023.123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Microbial pollution in marine environments is one of the critical issues with regard to the sanitary status of recreational activities and seafood harvesting due to a potential contamination by pathogenic microorganisms. This review's objectives were to identify instances of bacterial, viral and protozoan parasite pollution in the Tunisian coastal region and to make recommendations for further research. Fecal indicators such as Escherichia coli and Salmonella spp. were detected in samples of clams and mussels. Vibrionaceae species were also recorded in seawater, sediment, fish and clams in different sites from north to south with the dominance of Vibrio alginolyticus. Bivalve mollusks collected from the Tunisian coast have been revealed to harbor viruses as well as protozoan parasites. Furthermore, the isolation of multidrug-resistant bacterial strains from Tunisian coastlines proves the significant spread and circulation of antibiotic resistance caused by the massive use of antibiotics. In conclusion, we suggest intensive monitoring and cutting-edge wastewater treatment technologies to enhance seawater quality and preserve the biodiversity of aquatic life. Rapid detection techniques for the most important pathogenic microorganisms in seafood and seawater must be also developed to reduce human health risk.
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Affiliation(s)
- Khemissa Ghozzi
- Laboratoire de Biodiversité Marine, Institut National des Sciences et Technologies de la Mer, Monastir, Tunisie E-mail:
| | - Amel Nakbi
- Laboratoire de Biodiversité Marine, Institut National des Sciences et Technologies de la Mer, Monastir, Tunisie E-mail:
| | - Rafika Challouf
- Laboratoire de Biodiversité Marine, Institut National des Sciences et Technologies de la Mer, Monastir, Tunisie E-mail:
| | - Rym Ben Dhiab
- Laboratoire de Biodiversité Marine, Institut National des Sciences et Technologies de la Mer, Monastir, Tunisie E-mail:
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Abdulhakeem MA, Alreshidi M, Bardakci F, Hamadou WS, De Feo V, Noumi E, Snoussi M. Molecular Identification of Bacteria Isolated from Marketed Sparus aurata and Penaeus indicus Sea Products: Antibiotic Resistance Profiling and Evaluation of Biofilm Formation. Life (Basel) 2023; 13:life13020548. [PMID: 36836905 PMCID: PMC9963372 DOI: 10.3390/life13020548] [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: 01/02/2023] [Revised: 02/06/2023] [Accepted: 02/08/2023] [Indexed: 02/18/2023] Open
Abstract
BACKGROUND Marketed fish and shellfish are a source of multidrug-resistant and biofilm-forming foodborne pathogenic microorganisms. METHODS Bacteria isolated from Sparus aurata and Penaeus indicus collected from a local market in Hail region (Saudi Arabia) were isolated on selective and chromogenic media and identified by using 16S RNA sequencing technique. The exoenzyme production and the antibiotic susceptibility patterns of all identified bacteria were also tested. All identified bacteria were tested for their ability to form biofilm by using both qualitative and quantitative assays. RESULTS Using 16S RNA sequencing method, eight genera were identified dominated by Vibrio (42.85%), Aeromonas (23.80%), and Photobacterium (9.52%). The dominant species were V. natrigens (23.8%) and A. veronii (23.80%). All the identified strains were able to produce several exoenzymes (amylases, gelatinase, haemolysins, lecithinase, DNase, lipase, and caseinase). All tested bacteria were multidrug-resistant with a high value of the multiple antibiotic index (MARI). The antibiotic resistance index (ARI) was about 0.542 for Vibrio spp. and 0.553 for Aeromonas spp. On Congo red agar, six morphotypes were obtained, and 33.33% were slime-positive bacteria. Almost all tested microorganisms were able to form a biofilm on glass tube. Using the crystal violet technique, the tested bacteria were able to form a biofilm on glass, plastic, and polystyrene abiotic surfaces with different magnitude. CONCLUSIONS Our findings suggest that marketed S. aurata and P. indicus harbor various bacteria with human interest that are able to produce several related-virulence factors.
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Affiliation(s)
- Mohammad A. Abdulhakeem
- Department of Biology, College of Science, University of Ha’il, Ha’il P.O. Box 2440, Saudi Arabia
| | - Mousa Alreshidi
- Department of Biology, College of Science, University of Ha’il, Ha’il P.O. Box 2440, Saudi Arabia
- Molecular Diagnostics and Personalized Therapeutics Unit, University of Hail, Hail P.O. Box 2440, Saudi Arabia
- Correspondence: (M.A.); (E.N.)
| | - Fevzi Bardakci
- Department of Biology, College of Science, University of Ha’il, Ha’il P.O. Box 2440, Saudi Arabia
| | - Walid Sabri Hamadou
- Department of Biology, College of Science, University of Ha’il, Ha’il P.O. Box 2440, Saudi Arabia
| | - Vincenzo De Feo
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II, 132, Fisciano, 84084 Salerno, Italy
| | - Emira Noumi
- Department of Biology, College of Science, University of Ha’il, Ha’il P.O. Box 2440, Saudi Arabia
- Laboratory of Genetics, Biodiversity and Valorization of Bio-Resources (LR11ES41), Higher Institute of Biotechnology of Monastir, University of Monastir, Avenue Tahar Haddad, BP74, Monastir 5000, Tunisia
- Correspondence: (M.A.); (E.N.)
| | - Mejdi Snoussi
- Department of Biology, College of Science, University of Ha’il, Ha’il P.O. Box 2440, Saudi Arabia
- Laboratory of Genetics, Biodiversity and Valorization of Bio-Resources (LR11ES41), Higher Institute of Biotechnology of Monastir, University of Monastir, Avenue Tahar Haddad, BP74, Monastir 5000, Tunisia
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Scarano C, Piras F, Virdis S, Ziino G, Nuvoloni R, Dalmasso A, De Santis E, Spanu C. Antibiotic resistance of Aeromonas ssp. strains isolated from Sparus aurata reared in Italian mariculture farms. Int J Food Microbiol 2018; 284:91-97. [DOI: 10.1016/j.ijfoodmicro.2018.07.033] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 07/11/2018] [Accepted: 07/30/2018] [Indexed: 01/11/2023]
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Snoussi M, Dehmani A, Noumi E, Flamini G, Papetti A. Chemical composition and antibiofilm activity of Petroselinum crispum and Ocimum basilicum essential oils against Vibrio spp. strains. Microb Pathog 2015; 90:13-21. [PMID: 26596707 DOI: 10.1016/j.micpath.2015.11.004] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Revised: 10/17/2015] [Accepted: 11/12/2015] [Indexed: 11/17/2022]
Abstract
In this study, we evaluated the antibacterial activity of parsley and basilic essential oils tested against Vibrio strains and their abilities to inhibit and eradicate the mature biofilm using the XTT assay. Petroselinum crispum essential oil was characterized by 1,3,8-p-menthatriene (24.2%), β-phellandrene (22.8%), apiol (13.2%), myristicin (12.6%) and terpinolene (10.3%) as a major constituents. While, in the basilic oil, linalool (42.1%), (E)-methylcinnamate (16.9%) and 1-8 cineole (7.6%) were the main ones. These two essential oils exhibit high anti-Vibrio spp. activity with varying magnitudes. All microorganisms were strongly affected indicating an appreciable antimicrobial potential of basilic with a diameter of inhibition zones growth ranging from 8.67 to 23.33 mm and MIC and MBC values ranging from (0.023-0.047 mg/ml) and (>3->24 mg/ml), respectively. The two essential oils can inhibit and eradicate the mature biofilm formed on polystyrene surface even at low concentrations, with high magnitude for Ocimum basilicum essential oil. This study gives a better insight into the anti-Vibrio activity of parsley and basilc oils and the possibility of their use to prevent and eradicate contamination of sea products by these strains.
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Affiliation(s)
- Mejdi Snoussi
- Water Research and Technologies Center (CERTE), Laboratory of Wastewater Treatment, P.O. Box 273, 8020, Soliman, Tunis, Tunisia.
| | - Ameni Dehmani
- Water Research and Technologies Center (CERTE), Laboratory of Wastewater Treatment, P.O. Box 273, 8020, Soliman, Tunis, Tunisia
| | - Emira Noumi
- Laboratory of Infectious Diseases and Biological Agents, Faculty of Pharmacy, University of Monastir, TU-5000, Monastir, Tunisia
| | - Guido Flamini
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126, Pisa, Italy
| | - Adele Papetti
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100, Pavia, Italy
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Peixoto L, SÁ M, Gordiano L, Costa M. Aeromonas spp.: fatores de virulência e perfis de resistência a antimicrobianos e metais pesados. ARQUIVOS DO INSTITUTO BIOLÓGICO 2012. [DOI: 10.1590/s1808-16572012000300020] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
Abstract
As bactérias do gênero Aeromonas spp. são considerados como patógenos oportunistas carreadores de múltiplos fatores de virulência. O fenômeno da resistência aos antimicrobianos e metais pesados constitui outro problema, podendo ocorrer por diferentes fatores, dentre eles o uso indiscriminado de agentes antimicrobianos, poluição ambiental e a presença de mecanismos de resistência, como bombas de efluxo, sendo que muitos destes podem ser transmitidos por elementos genéticos móveis como os plasmídeos. O objetivo desse artigo é fazer uma revisão bibliográfica sobre os fatores de virulência, resistência a antimicrobianos e metais pesados, bem como os mecanismos que podem intervir nessa resistência e sua transferência entre bactérias do gênero Aeromonas. Os estudos dos fatores envolvidos no mecanismo de surgimento da resistência, aliado aos estudos de biologia molecular, fornecem subsídios para elaboração de métodos de controle e profilaxia dessas enfermidades de impacto aos organismos aquáticos, seres humanos e meio ambiente.
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Affiliation(s)
| | - M.C.A SÁ
- Universidade Federal do Vale do São Francisco, Brasil
| | - L.A Gordiano
- Universidade Federal do Vale do São Francisco, Brasil
| | - M.M. Costa
- Universidade Federal do Vale do São Francisco, Brasil
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Boulares M, Mankai M, Aouadhi C, olfa BM, Hassouna M. Characterisation and identification of spoilage psychotrophic Gram-negative bacteria originating from Tunisian fresh fish. ANN MICROBIOL 2012. [DOI: 10.1007/s13213-012-0527-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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BOULARES MOUNA, AOUADHI CHEDIA, MANKAI MELIKA, MOUSSA OLFABEN, ESSID INES, HASSOUNA MNASSER. CHARACTERISATION, IDENTIFICATION AND TECHNOLOGICAL PROPERTIES OF PSYCHOTROPHIC LACTIC ACID BACTERIA ORIGINATING FROM TUNISIAN FRESH FISH. J Food Saf 2012. [DOI: 10.1111/j.1745-4565.2012.00385.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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