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61,005 resultsShowing papers similar to Microplastics biodegradation by biofloc-producing bacteria: An inventive biofloc technology approach
ClearStudy on the dynamics of microplastics in the biofloc system for Nile tilapia (Oreochromis niloticus) aquaculture
Researchers studied how microplastics behave in biofloc aquaculture systems — where beneficial bacteria clusters are used to improve water quality — finding that microplastics accumulate in both the bacterial clusters and tilapia tissues, with intestinal contamination rising sharply at higher plastic concentrations. The results show that biofloc technology does not protect fish from microplastic exposure and that plastic management is essential for safe aquaculture.
Microplastics inhibit biofloc formation and alter microbial community composition and nitrogen transformation function in aquaculture
Microplastics were found to inhibit biofloc formation in aquaculture systems and alter microbial community composition and nitrogen transfer processes. The findings raise concerns about the growing use of intensive biofloc-based aquaculture in areas where microplastic contamination is prevalent.
Biodegradation of polyethylene (PE), polypropylene (PP), and polystyrene (PS) microplastics by floc-forming bacteria, Bacillus cereus strain SHBF2 isolated from a commercial aquafarm
Researchers found that a beneficial floc-forming bacterium, Bacillus cereus, isolated from a fish farm could break down polyethylene, polypropylene, and polystyrene microplastics when used as its sole carbon source. Over 60 days, the bacteria caused measurable weight loss and surface changes in the plastic particles, suggesting a potential biological approach to microplastic remediation in aquaculture settings.
Periphytic biofilm: An innovative approach for biodegradation of microplastics
Researchers investigated periphytic biofilm as a method for biodegrading microplastics in aquatic environments, finding that biofilm-forming microorganisms were capable of colonizing and partially degrading plastic surfaces. The approach offers a low-cost, nature-based strategy for reducing microplastic pollution in waterways.
The impact of microplastics on water quality, heavy metals, and health risks in bioflocbased tilapia farming systems
Researchers tested biofloc technology—which uses microbial aggregates—to reduce microplastic and heavy metal (Fe, Zn, Cu) contamination in tilapia aquaculture systems, finding it improved water quality through flocculation and biosorption of plastic and metal particles.
Biofloc Technology in Fish Aquaculture: A Review
This review examines biofloc technology, a method of fish farming that uses beneficial microbial communities to improve water quality and fish health. While not directly about microplastics, the technology is relevant because it could reduce the environmental footprint of aquaculture and potentially limit fish exposure to waterborne contaminants. Healthier aquaculture practices may help produce safer fish for human consumption in an era of increasing water pollution.
Biodegradation of polyethylene (PE), polypropylene (PP), and polystyrene (PS) microplastics by floc-forming bacteria, Bacillus cereus strain SHBF2, isolated from a commercial aquafarm
Researchers isolated a naturally occurring bacterium (Bacillus cereus SHBF2) from a fish farm that can break down polyethylene, polypropylene, and polystyrene microplastics by using them as a food source. After 60 days, the bacteria degraded up to nearly 7% of polyethylene by weight and visibly damaged all three plastic types, offering a potential biological approach to cleaning up microplastic pollution in aquatic environments.
Bioremediation of microplastics in freshwater environments: A systematic review of biofilm culture, degradation mechanisms, and analytical methods
This review summarizes existing research on using natural biofilms — communities of microorganisms — to break down microplastics in freshwater. Certain bacteria can degrade plastic particles, offering a potential eco-friendly cleanup method. While the approach is still slow and not yet widely practical, it points toward biological solutions for reducing microplastic pollution in our water supply.
The characteristics of the novel bacterial strain Pseudomonas mendocina isolatedfrom freshwater aquaculture farm
Researchers characterised a novel Pseudomonas mendocina bacterial strain isolated from a freshwater aquaculture farm, examining its plastic-biodegrading properties and evaluating its potential to address plastic contamination affecting water quality and fish product safety.
Toward sustainable plastic bioremediation using bacterial consortia from aquatic environments.
This study explored the biotechnological potential of native bacteria from diverse aquatic environments to biodegrade synthetic plastics and microplastics. Bacterial consortia isolated from contaminated sites showed promising plastic-degrading capabilities, pointing toward bioremediation strategies for plastic pollution.
The Evaluation of Microplastic Reduction in Biofloc Aquaculture for Sustainable Nile Tilapia Cultivation
Researchers evaluated biofloc technology as a strategy to reduce microplastic levels in water and Nile tilapia tissues in aquaculture, using ecological risk assessment to evaluate residual contamination. Biofloc systems reduced MP concentrations in both water and fish tissues compared to conventional systems, supporting biofloc technology as a partial mitigation strategy.
The Role Of Bacteria In Microplastic Bioremediation And Implications For Marine Ecosystems
This literature review summarizes how bacteria can be harnessed through bioremediation to break down microplastics in marine environments, cataloging the bacterial species and mechanisms involved. While biological degradation is slow and not yet a practical cleanup solution at scale, identifying effective bacteria is an important step toward developing tools to reduce the long-term accumulation of microplastics in ocean ecosystems.
Biodegradability of polyethylene (PE), polypropylene (PP), and polystyrene (PS) microplastics by floc-forming bacteria, Bacillus cereus strain SHBF2 isolated from a commercial aquafarm
This study tested whether common bacteria could biologically degrade polyethylene, polypropylene, and polystyrene microplastics, finding measurable but slow biodegradation over extended periods. Identifying microorganisms capable of breaking down these persistent plastics could eventually contribute to bioremediation strategies for microplastic pollution in soils and water.
The Impact of Biofloc on Fish Growth Indicators and Health Risks Assesment from Polyethylene Terephthalate Microplastic Contamination
Researchers evaluated how biofloc technology affects Nile tilapia growth performance and assessed health risks associated with PET microplastic contamination in biofloc aquaculture systems, finding that biofloc improved growth but did not eliminate microplastic-related risks.
Role of biofilms in the degradation of microplastics in aquatic environments
This review examined the role of microbial biofilms in degrading microplastics in aquatic environments, highlighting the potential for biofilm-mediated biodegradation as a natural mechanism for breaking down recalcitrant plastic pollutants.
The plastic and microplastic waste menace and bacterial biodegradation for sustainable environmental clean-up a review
This review examined bacterial biodegradation of plastic and microplastic waste, covering key microbial species, enzymatic mechanisms, and biotechnological approaches being developed for sustainable environmental cleanup of plastic pollution.
Bioremediation of microplastic pollution: A systematic review on mechanism, analytical methods, innovations, and omics approaches
Researchers systematically reviewed how bacteria, fungi, and algae can break down microplastics through enzymes and biofilms, and how cutting-edge tools like genomics and genetically engineered microbes are improving biodegradation efficiency. While microbial bioremediation is a promising sustainable approach to microplastic pollution, challenges around scalability and varying degradation rates in real environments still need to be overcome.
Unraveling Microplastic-Biofilm Nexus in Aquaculture: Diversity and Functionality of Microbial Communities and Their Effect on Plastic Traits
Researchers incubated five common types of microplastics in an aquaculture pond for 128 days and found that biofilm formation varied significantly depending on the plastic type, with polypropylene and polyethylene supporting the richest microbial communities. PET microplastics attracted more plastic-degrading bacteria like Pseudomonas, while all plastic types enriched potentially pathogenic microorganisms. The findings highlight how different microplastics selectively shape microbial colonization in aquaculture environments, with implications for both environmental health and food safety.
Evidence of Plastic Degrading Bacteria in Aquatic Environment
This review examines evidence for plastic-degrading bacteria in aquatic environments, summarizing identified microorganisms and their enzymatic mechanisms capable of breaking down plastic materials, and discussing the potential application of these organisms in bioremediation of plastic pollution.
Microbial–Enzymatic Combinatorial Approach to Capture and Release Microplastics
Researchers developed a microbial-enzymatic approach using evolved Pseudomonas aeruginosa to aggregate microplastics via biofilm formation for removal from polluted waters, then employed protease treatment to release captured plastics for downstream recovery.
Removal of microplastic for a sustainable strategy by microbial biodegradation
Researchers reviewed which microorganisms — including Bacillus, Pseudomonas, and several fungi and algae species — show the greatest ability to break down microplastics, and highlighted how genetic engineering and combining multiple degradation methods could make biological plastic cleanup viable at larger scales.
Biofloc Application Using Aquaponics and Vertical Aquaculture Technology in Aquaculture: Review
This review examines biofloc technology as a sustainable aquaculture approach that uses microbial communities to improve water quality and reduce disease spread without requiring water exchange. Researchers discuss how integrating biofloc with aquaponics and vertical aquaculture systems can further enhance production efficiency. The study notes that while biofloc technology offers environmental benefits over traditional aquaculture, challenges like water quality fluctuations and microplastic contamination need to be addressed.
DEGRADASI MIKROPLASTIK PADA EKOSISTIM PERAIRAN OLEH BAKTERI KULTUR CAMPURAN Clostridium sp. DAN Thiobacillus sp.
This Indonesian study investigated the ability of a mixed bacterial culture (including Clostridium species) to degrade microplastics in aquatic ecosystems. Biological degradation by bacteria is a promising but challenging approach to reducing the accumulation of persistent microplastic pollution in water bodies.
Synergetic Health Effects of Microplastics With Microbe on Tilapia in the Biofloc Technology System
Researchers investigated the combined effects of microplastics and environmental microbes on tilapia health in biofloc aquaculture systems. MP exposure in combination with biofloc microbiome alterations produced synergistic health effects in fish, including immune and metabolic stress, suggesting that aquaculture microbial ecology modulates MP toxicity.