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Alnumani A, Abutaleb A, Park B, Mubashir M. Recent advancement on water filtration membranes: Navigating biofouling challenges. ENVIRONMENTAL RESEARCH 2024; 251:118615. [PMID: 38437904 DOI: 10.1016/j.envres.2024.118615] [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: 12/13/2023] [Revised: 02/15/2024] [Accepted: 03/01/2024] [Indexed: 03/06/2024]
Abstract
This study investigates the field of antifouling membranes for water filtration and desalination applications, specifically focusing on two-dimensional materials. The study examines the importance of these membranes in the context of climate change and its effects on coastal ecosystems. The occurrence of biofouling in seawater desalination membranes is closely connected to intricate processes influenced by factors such as water quality, microbial communities, hydrodynamics, and membrane properties. Microorganism adhesion initiates the process, which then advances into irreversible attachment and the creation of biofilm. Detached pieces contribute to the perpetuation of fouling. Biofouling is caused by a variety of biomaterials and organics, including bacteria, extracellular polymeric substances (EPS), proteins, and humic compounds. Innovative methods such as surface alterations using two-dimensional materials like graphene and graphene oxide, as well as the use of biofouling-resistant materials, provide promising possibilities. These materials have antifouling characteristics, making them environmentally beneficial options that reduce the need for chemical cleaning. Their application improves the water treatment process by preventing fouling and enhancing membrane performance. Real-world research applications can enhance and optimize these tactics to effectively reduce biofouling in seawater desalination systems, hence improving efficiency and sustainability. This is particularly important in light of climate change and its impact on coastal ecosystems. The findings obtained from the literature review emphasise the utmost significance of tackling biofouling in the face of a changing environment, particularly with regard to microorganisms. Important factors to consider are the selection of coating materials, the implementation of environmentally friendly cleaning solutions made from natural chemicals, and the improvement of pretreatment systems. Green cleaning agents are important eco-friendly alternatives to typical biocides, as they possess antibacterial, antifungal, and antifouling capabilities. Given the existence of climate change, these observations serve as a basis for promoting environmentally friendly methods in water treatment technology.
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Affiliation(s)
- Ammar Alnumani
- Water Technologies Innovation Institute & Research Advancement, Saline Water Conversion Corporation, WTIIRA-SWCC, Jubail, 35417, Saudi Arabia.
| | - Abdulrahman Abutaleb
- Water Technologies Innovation Institute & Research Advancement, Saline Water Conversion Corporation, WTIIRA-SWCC, Jubail, 35417, Saudi Arabia.
| | - Byungsung Park
- Water Technologies Innovation Institute & Research Advancement, Saline Water Conversion Corporation, WTIIRA-SWCC, Jubail, 35417, Saudi Arabia
| | - Muhammad Mubashir
- Water Technologies Innovation Institute & Research Advancement, Saline Water Conversion Corporation, WTIIRA-SWCC, Jubail, 35417, Saudi Arabia
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Knobloch S, Skirnisdóttir S, Dubois M, Mayolle L, Kolypczuk L, Leroi F, Leeper A, Passerini D, Marteinsson VÞ. The gut microbiome of farmed Arctic char ( Salvelinus alpinus) is shaped by feeding stage and nutrient presence. FEMS MICROBES 2024; 5:xtae011. [PMID: 38745980 PMCID: PMC11092275 DOI: 10.1093/femsmc/xtae011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/06/2024] [Accepted: 04/22/2024] [Indexed: 05/16/2024] Open
Abstract
The gut microbiome plays an important role in maintaining health and productivity of farmed fish. However, the functional role of most gut microorganisms remains unknown. Identifying the stable members of the gut microbiota and understanding their functional roles could aid in the selection of positive traits or act as a proxy for fish health in aquaculture. Here, we analyse the gut microbial community of farmed juvenile Arctic char (Salvelinus alpinus) and reconstruct the metabolic potential of its main symbionts. The gut microbiota of Arctic char undergoes a succession in community composition during the first weeks post-hatch, with a decrease in Shannon diversity and the establishment of three dominant bacterial taxa. The genome of the most abundant bacterium, a Mycoplasma sp., shows adaptation to rapid growth in the nutrient-rich gut environment. The second most abundant taxon, a Brevinema sp., has versatile metabolic potential, including genes involved in host mucin degradation and utilization. However, during periods of absent gut content, a Ruminococcaceae bacterium becomes dominant, possibly outgrowing all other bacteria through the production of secondary metabolites involved in quorum sensing and cross-inhibition while benefiting the host through short-chain fatty acid production. Whereas Mycoplasma is often present as a symbiont in farmed salmonids, we show that the Ruminococcaceae species is also detected in wild Arctic char, suggesting a close evolutionary relationship between the host and this symbiotic bacterium.
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Affiliation(s)
- Stephen Knobloch
- Matís ohf., Microbiology Research Group, Vínlandsleið 12, 113 Reykjavík, Iceland
- Department of Food Technology, University of Applied Sciences Fulda, Leipziger Strasse 123, 36037 Fulda, Germany
| | | | - Marianne Dubois
- ESBS/University of Strasbourg, 300 Bd Sébastien Brant, 67085 Strasbourg, France
| | - Lucie Mayolle
- University of Technology of Compiègne, Rue Roger Couttolenc, 60203 Compiègne, France
| | - Laetitia Kolypczuk
- Ifremer, MASAE Microbiologie Aliment Santé Environnement, BP 21105, F-44000 Nantes, France
| | - Françoise Leroi
- Ifremer, MASAE Microbiologie Aliment Santé Environnement, BP 21105, F-44000 Nantes, France
| | - Alexandra Leeper
- Matís ohf., Microbiology Research Group, Vínlandsleið 12, 113 Reykjavík, Iceland
- Department of Animal and Aquaculture Sciences, Faculty of Biosciences, Norwegian University of Life Sciences, Arboretveien 6, 1430 Ås, Norway
- Iceland Ocean Cluster, Department of Research and Innovation, Grandagarður 16, 101 Reykjavík, Iceland
| | - Delphine Passerini
- Ifremer, MASAE Microbiologie Aliment Santé Environnement, BP 21105, F-44000 Nantes, France
| | - Viggó Þ Marteinsson
- Matís ohf., Microbiology Research Group, Vínlandsleið 12, 113 Reykjavík, Iceland
- Faculty of Food Science and Nutrition, University of Iceland, Sæmundargata 2, 101 Reykjavik, Iceland
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Ultrasound-Assisted Slightly Acidic Electrolyzed Water in Aquatic Product Sterilization: A Review. Foods 2022; 11:foods11233863. [PMID: 36496671 PMCID: PMC9738850 DOI: 10.3390/foods11233863] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 10/21/2022] [Accepted: 11/25/2022] [Indexed: 12/03/2022] Open
Abstract
Ultrasound has been confirmed as the propagation process of mechanical vibrations in a medium, with a frequency significantly higher than 20 kHz. Moreover, it has an effect of sterilization on foods. In general, ultrasonic sterilization medium is manifested as a liquid. Ultrasonic treatment technology has certain advantages in aquatic product processing. It is noteworthy that this technology will have better effects of sterilization if used in combination with other treatment methods. Slightly acidic electrolyzed water (SAEW) is characterized by high-efficiency broad-spectrum sterilization operation, low cost, and environmental protection, among other properties, and has a positive effect on aquatic product sterilization and preservation. Selecting acidic electrolyzed water with a low concentration coupled with low-power ultrasonic waves for combined sterilization exerts a more potent sterilization effect, and acidic electrolyzed water combined with ultrasonic sterilization is expected to be a potentially environment-friendly alternative. In this study, the sterilization mechanisms of ultrasonic and SAEW methods used both individually and as a synergistic treatment, the effect on microbial growth, and the research progress of the application of the combined effect in the sterilization and refrigeration of aquatic products are reviewed. Furthermore, this study looks forward to the future development trend, with a view to its application in aquatic products, while providing a reference for research and application in the field of processing and safety.
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Trickey JS, Cárdenas-Hinojosa G, Rojas-Bracho L, Schorr GS, Rone BK, Hidalgo-Pla E, Rice A, Baumann-Pickering S. Ultrasonic antifouling devices negatively impact Cuvier's beaked whales near Guadalupe Island, México. Commun Biol 2022; 5:1005. [PMID: 36138086 PMCID: PMC9499979 DOI: 10.1038/s42003-022-03959-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 09/07/2022] [Indexed: 11/09/2022] Open
Abstract
Widespread use of unregulated acoustic technologies in maritime industries raises concerns about effects on acoustically sensitive marine fauna worldwide. Anthropogenic noise can disrupt behavior and may cause short- to long-term disturbance with possible population-level consequences, particularly for animals with a limited geographic range. Ultrasonic antifouling devices are commercially available, installed globally on a variety of vessel types, and are marketed as an environmentally-friendly method for biofouling control. Here we show that they can be an acoustic disturbance to marine wildlife, as seasonal operation of these hull-mounted systems by tourist vessels in the marine protected area of Guadalupe Island, México resulted in the reduced presence of a potentially resident population of Cuvier's beaked whales (Ziphius cavirostris). Human activities are rapidly altering soundscapes on local and global scales, and these findings highlight the need to identify key noise sources and assess their impacts on marine life to effectively manage oceanic ecosystems.
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Affiliation(s)
- Jennifer S Trickey
- Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, USA.
| | | | - Lorenzo Rojas-Bracho
- Comisión Nacional de Áreas Naturales Protegidas, SEMARNAT, Ensenada, México.,Ocean Wise, Vancouver, Canada
| | | | - Brenda K Rone
- Marine Ecology and Telemetry Research, Seabeck, WA, USA
| | - Eva Hidalgo-Pla
- Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, USA.,Sea Shepherd Conservation Society, Alexandria, VA, USA
| | - Ally Rice
- Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, USA
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Knobloch S, Skírnisdóttir S, Dubois M, Kolypczuk L, Leroi F, Leeper A, Passerini D, Marteinsson VÞ. Impact of Putative Probiotics on Growth, Behavior, and the Gut Microbiome of Farmed Arctic Char (Salvelinus alpinus). Front Microbiol 2022; 13:912473. [PMID: 35928148 PMCID: PMC9343752 DOI: 10.3389/fmicb.2022.912473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
Beneficial bacteria promise to promote the health and productivity of farmed fish species. However, the impact on host physiology is largely strain-dependent, and studies on Arctic char (Salvelinus alpinus), a commercially farmed salmonid species, are lacking. In this study, 10 candidate probiotic strains were subjected to in vitro assays, small-scale growth trials, and behavioral analysis with juvenile Arctic char to examine the impact of probiotic supplementation on fish growth, behavior and the gut microbiome. Most strains showed high tolerance to gastric juice and fish bile acid, as well as high auto-aggregation activity, which are important probiotic characteristics. However, they neither markedly altered the core gut microbiome, which was dominated by three bacterial species, nor detectably colonized the gut environment after the 4-week probiotic treatment. Despite a lack of long-term colonization, the presence of the bacterial strains showed either beneficial or detrimental effects on the host through growth rate enhancement or reduction, as well as changes in fish motility under confinement. This study offers insights into the effect of bacterial strains on a salmonid host and highlights three strains, Carnobacterium divergens V41, Pediococcus acidilactici ASG16, and Lactiplantibacillus plantarum ISCAR-07436, for future research into growth promotion of salmonid fish through probiotic supplementation.
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Affiliation(s)
| | | | | | | | | | - Alexandra Leeper
- Microbiology Research Group, Matís ohf., Reykjavík, Iceland
- Faculty of Biosciences, Department of Animal and Aquaculture Sciences, Norwegian University of Life Sciences, Ås, Norway
| | | | - Viggó Þ. Marteinsson
- Microbiology Research Group, Matís ohf., Reykjavík, Iceland
- Faculty of Food Science and Nutrition, University of Iceland, Reykjavik, Iceland
- *Correspondence: Viggó Þ. Marteinsson,
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Lan W, Lang A, Zhou D, Xie J. Combined effects of ultrasound and slightly acidic electrolyzed water on quality of sea bass (Lateolabrax Japonicus) fillets during refrigerated storage. ULTRASONICS SONOCHEMISTRY 2021; 81:105854. [PMID: 34861558 PMCID: PMC8640540 DOI: 10.1016/j.ultsonch.2021.105854] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 11/16/2021] [Accepted: 11/28/2021] [Indexed: 05/04/2023]
Abstract
A novel technique for sea bass (Lateolabrax Japonicus) fillets by combining ultrasound (US) and slightly acidic electrolyzed water (SAEW) to inactivate bacteria and maintain quality was developed. Samples were treated with distilled water (DW), US, SAEW and ultrasound combined with slightly acidic electrolyzed water (US + SAEW) for 10 min, respectively. The results suggested that US + SAEW treatment could retard the increase of total viable counts (TVC), Pseudomonas bacteria counts and H2S-producing bacteria counts, which also inhibit the rise of total volatile basis nitrogen (TVB-N), thiobarbituric acid (TBA), pH and K value. In addition, compared with SAEW or US treatment alone, US + SAEW treatment had distinctly effects on inhibiting protein degradation and maintaining better sensory scores. Compared with DW group, the shelf life of sea bass treated with US + SAEW was increased for another 4 days. It indicated that the combined treatment of US and SAEW could be used to the preservation of sea bass.
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Affiliation(s)
- Weiqing Lan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University), Shanghai 201306, China.
| | - Ai Lang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Dapeng Zhou
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University), Shanghai 201306, China.
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Kumar A, Al-Jumaili A, Bazaka O, Ivanova EP, Levchenko I, Bazaka K, Jacob MV. Functional nanomaterials, synergisms, and biomimicry for environmentally benign marine antifouling technology. MATERIALS HORIZONS 2021; 8:3201-3238. [PMID: 34726218 DOI: 10.1039/d1mh01103k] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Marine biofouling remains one of the key challenges for maritime industries, both for seafaring and stationary structures. Currently used biocide-based approaches suffer from significant drawbacks, coming at a significant cost to the environment into which the biocides are released, whereas novel environmentally friendly approaches are often difficult to translate from lab bench to commercial scale. In this article, current biocide-based strategies and their adverse environmental effects are briefly outlined, showing significant gaps that could be addressed through advanced materials engineering. Current research towards the use of natural antifouling products and strategies based on physio-chemical properties is then reviewed, focusing on the recent progress and promising novel developments in the field of environmentally benign marine antifouling technologies based on advanced nanocomposites, synergistic effects and biomimetic approaches are discussed and their benefits and potential drawbacks are compared to existing techniques.
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Affiliation(s)
- Avishek Kumar
- Electronics Materials Lab, College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia.
| | - Ahmed Al-Jumaili
- Electronics Materials Lab, College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia.
- Medical Physics Department, College of Medical Sciences Techniques, The University of Mashreq, Baghdad, Iraq
| | - Olha Bazaka
- School of Science, RMIT University, PO Box 2476, Melbourne, VIC 3001, Australia
| | - Elena P Ivanova
- School of Science, RMIT University, PO Box 2476, Melbourne, VIC 3001, Australia
| | - Igor Levchenko
- Plasma Sources and Application Centre, NIE, Nanyang Technological University, 637616, Singapore
| | - Kateryna Bazaka
- Electronics Materials Lab, College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia.
- Faculty of Engineering, Queensland University of Technology, Brisbane, QLD 4000, Australia
- School of Engineering, The Australian National University, Canberra, ACT 2601, Australia
| | - Mohan V Jacob
- Electronics Materials Lab, College of Science and Engineering, James Cook University, Townsville, QLD 4811, Australia.
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