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Lan H, Li K, Cao Q, Liang Q, Lin Y, Jegatheesan V, Yan B, Zhang H, Zhang Y. Hydroxyl radical mediated extracellular degradation of tetracycline under aerobic and anaerobic conditions stimulated by bio-FeS nanoparticles. JOURNAL OF HAZARDOUS MATERIALS 2024; 478:135450. [PMID: 39121737 DOI: 10.1016/j.jhazmat.2024.135450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 07/22/2024] [Accepted: 08/06/2024] [Indexed: 08/12/2024]
Abstract
The extracellular degradation of antibiotics facilitated by bio-nanoparticles is significant in the field of waste valorization. Among different bio-nanoparticles, bio-FeS nanoparticles stand out for their convenient and cost-effective synthesis. Nevertheless, there is a lack of understanding regarding the extracellular degradation of pollutants driven by bio-FeS nanoparticles. Hence, this study aimed to investigate the role of bio-FeS nanoparticles in the extracellular degradation of tetracycline under aerobic and anaerobic conditions. The findings demonstrated that bio-FeS nanoparticles generated hydroxyl radical (·OH), which significantly contributes to the degradation of tetracycline in both aerobic and anaerobic environments. The production of ·OH in anaerobic conditions was primarily attributed to the limited formation of FeS2 during the biosynthesis of nanoparticles, which was very different from aerobic conditions. The bio-FeS nanoparticles facilitated extracellular electron transport by promoting electron shuttles and Fe(II)/Fe(III) cycling, resulting in the continuous production of ·OH. The degradation pathways showed differences under aerobic and anaerobic conditions, with intermediates exhibiting higher toxicity and greater cellular damage under aerobic conditions. However, in anaerobic conditions, bio-FeS nanoparticles enabled the successful integration of intracellular and extracellular degradation of tetracycline. This research proposed a new avenue for biocatalysis and environmental remediation.
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Affiliation(s)
- Huixia Lan
- Shandong Engineering Research Centre for Pollution Control and Resource Valorization in Chemical Industry, College of Environment and Safety Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, China
| | - Ke Li
- Shandong Engineering Research Centre for Pollution Control and Resource Valorization in Chemical Industry, College of Environment and Safety Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, China
| | - Qiliang Cao
- Shandong Engineering Research Centre for Pollution Control and Resource Valorization in Chemical Industry, College of Environment and Safety Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, China
| | - Qiaochu Liang
- Shandong Engineering Research Centre for Pollution Control and Resource Valorization in Chemical Industry, College of Environment and Safety Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, China.
| | | | - Veeriah Jegatheesan
- School of Engineering and Water: Effective Technologies and Tools (WETT) Research Centre, RMIT University, Melbourne, VIC 3000, Australia
| | - Binghua Yan
- College of Environment and Ecology, Hunan Agricultural University, Changsha 410028, China
| | - Heng Zhang
- Shandong Engineering Research Centre for Pollution Control and Resource Valorization in Chemical Industry, College of Environment and Safety Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, China
| | - Yang Zhang
- Shandong Engineering Research Centre for Pollution Control and Resource Valorization in Chemical Industry, College of Environment and Safety Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, China
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Campos M, Acuña JJ, Rilling JI, González-González S, Peña-Cortés F, Jaisi DP, Hollenback A, Ogram A, Bai J, Zhang L, Xiao R, Jorquera MA. Spatiotemporal distributions and relationships of phosphorus content, phosphomonoesterase activity, and bacterial phosphomonoesterase genes in sediments from a eutrophic brackish water lake in Chile. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 320:115906. [PMID: 36056497 DOI: 10.1016/j.jenvman.2022.115906] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 07/21/2022] [Accepted: 07/28/2022] [Indexed: 06/15/2023]
Abstract
Phosphorus (P) cycling by microbial activity is highly relevant in the eutrophication of lakes. In this context, the contents of organic (Po) and inorganic (Pi) phosphorus, the activity of acid (ACP) and alkaline (ALP) phosphomonoesterase (Pase), and the abundances of bacterial Pase genes (phoD, phoC, and phoX) were studied in sediments from Budi Lake, a eutrophic coastal brackish water lake in Chile. Our results showed spatiotemporal variations in P fractions, Pase activities, and Pase gene abundances. In general, our results showed higher contents of Pi (110-144 mg kg-1), Po (512-576 mg kg-1), and total P (647-721 mg kg-1) in sediments from the more anthropogenized sampling sites in summer compared with those values of Pi (86-127 mg kg-1), Po (363-491 mg kg-1) and total P (449-618 mg kg-1) in less anthropogenized sampling sites in winter. In concordance, sediments showed higher Pase activities (μg nitrophenyl phosphate g-1 h-1) in sediments from the more anthropogenized sampling sites (9.7-22.7 for ACP and 5.9 to 9.6 for ALP) compared with those observed in less anthropogenized sampling sites in winter (4.2-12.9 for ACP and 0.3 to 6.7 for ALP). Higher abundances (gene copy g-1 sediment) of phoC (8.5-19 × 108), phoD (9.2-47 × 106), and phoX (8.5-26 × 106) genes were also found in sediments from the more anthropogenized sampling sites in summer compared with those values of phoC (0.1-1.1 × 108), phoD (1.4-2.4 × 106) and phoX (0.7-1.2 × 106) genes in the less anthropogenized sites in winter. Our results also showed a positive correlation between P contents, Pase activities, and abundances of bacterial Pase genes, independent of seasonality. The present study provided information on the microbial activity involved in P cycling in sediments of Budi Lake, which may be used in further research as indicators for the monitoring of eutrophication of lakes.
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Affiliation(s)
- Marco Campos
- Laboratorio de Ecología Microbiana Aplicada (EMALAB), Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, Temuco, Chile; Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco, Chile
| | - Jacquelinne J Acuña
- Laboratorio de Ecología Microbiana Aplicada (EMALAB), Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, Temuco, Chile; Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco, Chile
| | - Joaquin I Rilling
- Laboratorio de Ecología Microbiana Aplicada (EMALAB), Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, Temuco, Chile; Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco, Chile
| | - Susett González-González
- Laboratorio de Ecología Microbiana Aplicada (EMALAB), Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, Temuco, Chile; Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco, Chile
| | - Fernando Peña-Cortés
- Laboratorio de Planificación Territorial, Escuela de Ciencias Ambientales, Facultad de Recursos Naturales, Universidad Católica de Temuco, Temuco, Chile
| | - Deb P Jaisi
- Department of Plant and Soil Sciences, University of Delaware, Newark, USA
| | - Anthony Hollenback
- Department of Plant and Soil Sciences, University of Delaware, Newark, USA
| | - Andrew Ogram
- Soil and Water Science Department, University of Florida, Gainesville, FL, USA
| | - Junhong Bai
- School of Environment, Beijing Normal University, Beijing, China
| | - Ling Zhang
- School of Environment, Beijing Normal University, Beijing, China
| | - Rong Xiao
- College of Environment and Safety Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Milko A Jorquera
- Laboratorio de Ecología Microbiana Aplicada (EMALAB), Departamento de Ciencias Químicas y Recursos Naturales, Universidad de La Frontera, Temuco, Chile; Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco, Chile.
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Abdelgalil SA, Soliman NA, Abo-Zaid GA, Abdel-Fattah YR. Biovalorization of raw agro-industrial waste through a bioprocess development platform for boosting alkaline phosphatase production by Lysinibacillus sp. strain APSO. Sci Rep 2021; 11:17564. [PMID: 34475429 PMCID: PMC8413444 DOI: 10.1038/s41598-021-96563-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 08/12/2021] [Indexed: 11/09/2022] Open
Abstract
This study highlighted the exploitation of mathematical models for optimizing the growth conditions that give the highest phosphatase productivity from a newfound Lysinibacillus sp. strain APSO isolated from a slime sample. Mathematical models facilitate data interpretation and provide a strategy to solve fermentation problems. Alkaline phosphatase (ALP) throughput was enhanced by 16.5-fold compared to basal medium based on a sequential optimization strategy that depended on two-level Plackett–Burman design and central composite design. The additional improvement for volumetric productivity and specific production yield was followed in a 7 L bench-top bioreactor to evaluate microbial growth kinetics under controlled and uncontrolled pH conditions. The pH-controlled batch cultivation condition neither supported cell growth nor enhanced ALP productivity. In contrast, the uncontrolled pH batch cultivation condition provided the highest ALP output (7119.4 U L−1) and specific growth rate (µ = 0.188 h−1) at 15 h from incubation time, which was augmented > 20.75-fold compared to the basal medium. To the authors’ knowledge, this study is the second report that deals with how to reduce the production cost of the ALP production process via utilization of agro-industrial waste, such as molasses and food waste (eggshell), as a nutrimental source for the improvement of the newfound Lysinibacillus sp. strain APSO ALP throughput.
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Affiliation(s)
- Soad A Abdelgalil
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City for Scientific Research and Technological Applications, New Borg El-Arab City, Universities and Research Institutes Zone, Alexandria, 21934, Egypt.
| | - Nadia A Soliman
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City for Scientific Research and Technological Applications, New Borg El-Arab City, Universities and Research Institutes Zone, Alexandria, 21934, Egypt
| | - Gaber A Abo-Zaid
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City for Scientific Research and Technological Applications, New Borg El-Arab City, Universities and Research Institutes Zone, Alexandria, 21934, Egypt
| | - Yasser R Abdel-Fattah
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City for Scientific Research and Technological Applications, New Borg El-Arab City, Universities and Research Institutes Zone, Alexandria, 21934, Egypt
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