Review
Environmental Sciences
Joana P. Fernandes, C. Marisa R. Almeida, Maria A. Salgado, Maria F. Carvalho, Ana P. Mucha
Summary: Various contaminants of emerging concern (CECs) have been detected in different ecosystems, threatening living organisms and the environment. Pharmaceuticals are among these contaminants, entering the environment mainly through wastewater treatment plants, and bioremediation technologies based on natural degrading bacteria seem promising for clean-up in natural environments.
Article
Biotechnology & Applied Microbiology
Andrea Hom-Diaz, Adrian Jaen-Gil, Sara Rodriguez-Mozaz, Damia Barcelo, Teresa Vicent, Paqui Blanquez
Summary: The increasing contamination of worldwide water with antibiotics has become a concern. Microalgae-mediated remediation is of interest due to their ability to take up nutrients and produce biomass. While the sorption of pollutants by microalgae has been widely reported, few studies have proven the biodegradation of pollutants by microalgae.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2022)
Article
Environmental Sciences
Yuchen Su, Qianghong Zhao, Jiayin Du, Chunlan Liu, Xuemei Jiang, Weili Wei, Xiaoyong Tong
Summary: Accurate assessment of ecotoxicity in contaminated soil is crucial for public health. The commonly used luminescent bacteria method faces limitations when dealing with hydrophobic compounds. The existing improved method is not effective for the evaluation of highly hydrophobic chemicals.
Article
Environmental Sciences
Yuqun Yao, Qing X. Li
Summary: This study demonstrated the efficient degradation of chlortetracycline (CTC) in water using recombinant Arthromyces ramosus peroxidase (rARP), which showed significantly higher catalytic efficiency than horseradish peroxidase (HRP) and laccase. The degradation of CTC under rARP catalysis was faster, completing within 20-24 minutes, and resulted in the formation of nontoxic N-dedimethyl-9-hydroxy-CTC. The short distance between rARP's delta N-His56 and CTC's dimethylamine N, as indicated by docking simulation, may explain the high catalytic efficiency of rARP.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Review
Environmental Sciences
N. Premnath, K. Mohanrasu, R. Guru Raj Rao, G. H. Dinesh, G. Siva Prakash, V Ananthi, Kumar Ponnuchamy, Govarthanan Muthusamy, A. Arun
Summary: The text discussed the significant rise in polycyclic aromatic hydrocarbons (PAHs) contamination over the past century due to intensified industrial activities, and highlighted the widespread distribution of PAHs in various ecosystems. It also emphasized on the microbial degradation of PAHs using diverse microorganisms and various cultivation conditions that govern the rate of degradation.
Article
Engineering, Environmental
Alan Rempel, Julia Pedo Gutkoski, Mateus Torres Nazari, Gabrielle Nadal Biolchi, Barbara Biduski, Helen Treichel, Luciane Maria Colla
Summary: This study evaluated the influence of emerging pollutants on the growth of microalgae and seed germination. The results showed that Scenedesmus obliquus was able to grow in all mixtures of pollutants, while Spirulina platensis experienced cell death in mixtures containing paracetamol. The culture medium of microalgae had toxic effects on seed germination, but by choosing the right microalgae strain, it is possible to use them for bioremediation and reduce the negative effects on seed germination.
JOURNAL OF WATER PROCESS ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Jeremiah Oyovweoghene Aruotu, Chioma Blaise Chikere, Chidinma Peace Okafor, Israel Edamkue
Summary: This study investigated the distribution of PAH degraders at two different petroleum hydrocarbon-polluted sites in the Niger Delta and demonstrated the ability of indigenous microbes to utilize these PAHs. The findings suggest that these indigenous microbes can be used to effectively remove PAHs from oil-polluted soils through bioremediation.
APPLIED SCIENCES-BASEL
(2023)
Article
Environmental Sciences
Min Li, Yayao Wang, Lu Ma, Xingfu Yan, Qian Lei
Summary: In the study, the acute toxicity of 30 haloquinolines was assessed using Vibrio fischeri, with varying levels of toxicity observed. The presence of larger substituents at the 2/8-positions and less negative charge at the 4/5/6/8-positions in the quinoline derivative rings correlated positively with their toxicity towards V. fischeri.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Review
Biotechnology & Applied Microbiology
Ramona Massoud, Alaleh Zoghi
Summary: This review summarizes the role of probiotics in food bio-decontamination, focusing on lactic acid bacteria and other types of probiotics. The article also explains the bioremoval mechanism and factors that affect bioremoval efficiency.
JOURNAL OF APPLIED MICROBIOLOGY
(2022)
Article
Environmental Sciences
Seungdae Oh, Hiep T. Nguyen
Summary: The study demonstrated the beneficial role of hydrogen peroxide (H2O2)-pretreated biochar (BC) in an activated sludge (AS) bioprocess for the removal and detoxification of oxytetracycline (OTC) and its byproducts. The BC addition significantly enhanced the OTC removal rates, system functioning, and reduction of toxicity. Additionally, novel bacterial populations closely related to OTC degradation were identified.
ENVIRONMENTAL RESEARCH
(2023)
Review
Engineering, Environmental
Lili Qu, Jiayang Xu, Zhihua Dai, Ali Mohamed Elyamine, Wuxing Huang, Dan Han, Bingjun Dang, Zicheng Xu, Wei Jia
Summary: Selenium (Se) is essential for humans and beneficial for plants, but high doses can be hazardous. This review summarizes sources and concentrations of Se in soils, factors influencing its bioavailability, mechanisms of uptake and translocation in plants, detoxification strategies, and remediation strategies for Se pollution. High Se concentrations are mainly due to wastewater discharge and industrial waste dumping. Selenate (Se [VI]) and selenite (Se [IV]) are the primary forms of Se absorbed by plants. Soil conditions such as pH, redox potential, organic matter, and microorganisms affect Se bioavailability. Excessive Se in plants interferes with element uptake, depresses pigment biosynthesis, generates oxidative damage, and causes genotoxicity. To mitigate Se toxicity, plants employ strategies such as activating antioxidant defense systems and sequestering excess Se in vacuoles. Remediation strategies include phytoremediation, organic matter amendment, microbial remediation, adsorption techniques, and chemical reduction technologies. This review expands knowledge on Se toxicity/detoxification in soil-plant systems and provides valuable insights into remediation strategies for Se pollution.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Environmental Sciences
Anisa Ratnasari, Achmad Syafiuddin, Ahmad Beng Hong Kueh, Suhartono Suhartono, Tony Hadibarata
Summary: Biodegradation is a promising method for removing estrogens from water environments, with bacteria, fungi, and algae showing capabilities to effectively remove these contaminants. Before widespread implementation, understanding the advantages and disadvantages is crucial, as well as exploring other available microorganisms to survive under harsh environmental conditions for future expansion.
WATER AIR AND SOIL POLLUTION
(2021)
Article
Green & Sustainable Science & Technology
Supitchaya Jenjaiwit, Nontipa Supanchaiyamat, Andrew J. Hunt, Yuvarat Ngernyen, Thunyalux Ratpukdi, Sumana Siripattanakul-Ratpukdi
Summary: The study demonstrates that using microbial cells immobilized on waste biochar can achieve high TCC removal efficiency in wastewater treatment. The use of cell-immobilized biochar shows significant potential for future utilization and can contribute to the development of a circular bio-based economy using renewable agroindustrial wastes.
JOURNAL OF CLEANER PRODUCTION
(2021)
Review
Biotechnology & Applied Microbiology
Ravi Katiyar, Chiu-Wen Chen, Reeta Rani Singhania, Mei-Ling Tsai, Ganesh D. Saratale, Ashok Pandey, Cheng-Di Dong, Anil Kumar Patel
Summary: This article focuses on the crucial role of biochar in reducing antibiotic pollution and highlights the advancements in biochar engineering for enhanced remediation performance. The analysis includes characterization, production conditions, manufacturing technologies, and engineering techniques related to biochar. The review emphasizes the importance of biochar engineering in improving biochar's remediation efficiency.
Review
Engineering, Environmental
Pooja Sharma, Sunil Kumar, Ashok Pandey
Summary: Research on microbe-induced remediation of toxic metals has gained significant interest, as it provides new perspectives for sustainable development through bioremediation processes. Heavy metals, naturally occurring but released in large quantities due to human activities, pose risks to the environment and human health. By studying microbial treatment of metals at the molecular level, novel insights for preventing environmental pollution can be discovered.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)