Mycoremediation of oxytetracycline by marine fungi mycelium isolated from salmon farming areas in the south of Chile

Ahumada-Rudolph, Ramón; Novoa, Vanessa; Becerra, Julio; Cespedes‐Acuña, Carlos L.; Cabrera‐Pardo, Jaime R.

doi:10.1016/j.fct.2021.112198

Cited by 25 publications

(11 citation statements)

References 25 publications

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“…The Trojan effect of microplastics have also been observed in bacteria and antibiotics. To date and to the best of our knowledge, there are no reported studies about the ability of microplastics to transport bacteria and antibiotics in Chile (Figure 2), where the use of antibiotics in salmon farming is excessive (Ahumada-Rudolph et al, 2021) and could potentially lead to the development of antibiotic resistance (Cabrera-Pardo et al, 2019). Thus, it is paramount to understand the dynamics of antibiotics transport by microplastics in Chile, especially in salmon farming areas.…”

Section: Discussionmentioning

confidence: 99%

Microplastics Pollution in Chile: Current Situation and Future Prospects

Paredes-Osses

Pozo

Opazo-Capurro

et al. 2021

Front. Environ. Sci.

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Millions of tons of plastics enter wild habitats, especially the oceans, every year. Despite extensive efforts, this amount is predicted to increase over in the near future, leading to a catastrophic damage to the environment. Small plastic fragments, including microplastics, are currently widely distributed in different environments and contribute significantly to pollution of the oceans. This problem is particularly poignant in Chile, a country with more than 4,000 km of coastline along the Pacific Ocean home to diverse environments, industrial activities and unique biodiversity. In this review, we compile information regarding microplastics pollution in Chilean environments in terms of transport, distribution and bioaccumulation along the country, societal actions such as environmental policies and education to tackle the plastic problem, and the Trojan effect associated with it. Finally, we identify critical scientific gaps, such as the transport of harmful chemicals and microbial communities associated, and define potential future research directions.

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Section: Discussionmentioning

confidence: 99%

Microplastics Pollution in Chile: Current Situation and Future Prospects

Paredes-Osses

Pozo

Opazo-Capurro

et al. 2021

Front. Environ. Sci.

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“…Bioremediation, utilizing native microbial monocultures or consortia or bioaugmentation, has been used for decades as a sustainable technology to manage anthropogenic pollution ( Ahumada-Rudolph et al, 2021 ). The advantages of bioremediation include less input of hazardous chemicals, energy, and time, and it is cheap relative to other technologies ( Azubuike et al, 2016 ).…”

Section: Development Of Bioremediation Technologiesmentioning

confidence: 99%

“… Ahumada-Rudolph et al (2021) evaluated fifty fungal isolates from sediments of salmon hatcheries for their oxytetracycline remediation abilities. The filamentous fungi Penicillium commune , Epicoccum nigrum , T. harzianum , Aspergillus terreus , and Beauveria bassiana were identified as having the best remediation rates amounting to a maximum of 78% removal of a 250 mg/L oxytetracycline concentration in flask experiments ( Ahumada-Rudolph et al, 2021 ). P. oxalicum RJJ-2 has also been studied in the degradation of erythromycin and degraded 84.88% erythromycin after 96-h incubation used as the sole carbon source producing different metabolites ( Ren et al, 2021 ).…”

Section: Development Of Bioremediation Technologiesmentioning

confidence: 99%

Pharmaceutical Pollution in Aquatic Environments: A Concise Review of Environmental Impacts and Bioremediation Systems

et al. 2022

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The presence of emerging contaminants in the environment, such as pharmaceuticals, is a growing global concern. The excessive use of medication globally, together with the recalcitrance of pharmaceuticals in traditional wastewater treatment systems, has caused these compounds to present a severe environmental problem. In recent years, the increase in their availability, access and use of drugs has caused concentrations in water bodies to rise substantially. Considered as emerging contaminants, pharmaceuticals represent a challenge in the field of environmental remediation; therefore, alternative add-on systems for traditional wastewater treatment plants are continuously being developed to mitigate their impact and reduce their effects on the environment and human health. In this review, we describe the current status and impact of pharmaceutical compounds as emerging contaminants, focusing on their presence in water bodies, and analyzing the development of bioremediation systems, especially mycoremediation, for the removal of these pharmaceutical compounds with a special focus on fungal technologies.

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“…In the laboratory, these fungi were exposed to the antibiotic in a liquid medium (250 mg/L oxytetracycline) and achieved degradation between 68% and 78% after 15 days. Here, too, enzymatic metabolization was suggested to be the reason for the removal (Ahumada-Rudolph et al, 2021).…”

Section: Potential Of Marine Fungi For Bioremediationmentioning

confidence: 99%

Mycoremediation of sewage sludge and manure with marine fungi for the removal of organic pollutants

Stiebeling

Labes²

2022

Front. Mar. Sci.

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The application of manure and sewage sludge on farmland is one key element in building up soil organic matter and is contributing to soil carbon sequestration. These organic fertilizers are often contaminated with anthropogenic pollutants that can cause serious harm to ecosystems and persist over a long period. Bioremediation approaches have gained attention as clean-up treatment in recent decades due to their cost-effectiveness and environmental friendliness. Besides phytoremediation with plants and bacterial bioremediation, fungi have also been successfully applied for pollution control. While land-based species, especially white-rot fungi, are extensively studied for mycoremediation, fungi from marine environments are underrepresented but show adaptive traits (e.g., halophilic, anaerobic) that are beneficial under certain conditions and may improve the degradation portfolio. This review highlights application examples of marine-derived fungi for organopollutant removal and evaluates the overall future potential of this underexplored group, which might become an interesting extension for remediation of manure and sewage sludges with high osmotic pressure.

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Mycoremediation of oxytetracycline by marine fungi mycelium isolated from salmon farming areas in the south of Chile

Cited by 25 publications

References 25 publications

Microplastics Pollution in Chile: Current Situation and Future Prospects

Microplastics Pollution in Chile: Current Situation and Future Prospects

Pharmaceutical Pollution in Aquatic Environments: A Concise Review of Environmental Impacts and Bioremediation Systems

Mycoremediation of sewage sludge and manure with marine fungi for the removal of organic pollutants

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