Enhanced degradation performance toward para-nitrophenol of adapted immobilized microbial community on coconut coir

Le, Bao-Ngoc T.; Nguyen, Van-Anh T.; Nguyen, Nguyen-Phuong; Nguyen, Hong-Nhung; Phan, Thanh-Truc H.; Nguyen, Thuy-Huong; Pham, Thuy-Phuong T.; Nguyen, Hoang-Duy P.

doi:10.1016/j.ibiod.2024.105923

International Biodeterioration & Biodegradation

2025

DOI: 10.1016/j.ibiod.2024.105923

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Enhanced degradation performance toward para-nitrophenol of adapted immobilized microbial community on coconut coir

Bao-Ngoc T. Le,

Van-Anh T. Nguyen,

Nguyen-Phuong Nguyen

et al.

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Utilizing a Novel Halotolerant Bordetella Bacterium Combined with Co-Metabolites to Boost the Degradation of P-Nitrophenol in High-Salinity Wastewater

Qin,

Li,

Tan

et al. 2024

Water

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A novel strain capable of fully utilizing p-nitrophenol (PNP) as the sole carbon source under high-salinity conditions was isolated from the sediments of wastewater discharged from an aquaculture company. The identification of the strain as Bordetella sp. was confirmed by analyzing its morphological, physiological, and biochemical traits in conjunction with its 16S rDNA sequence. Furthermore, pantothenic acid, serving as a carbon source for co-metabolites, could significantly enhance the biodegradation process of the tricarboxylic acid (TCA) cycle. Under the optimal growth conditions at a temperature of 30 °C, pH of 8.0, aeration of 0.32 m3·(m3·min)−1 and salinity of 3% (NaCl, w/v), the degradation rate of 350 mg·L−1 PNP increased from 60.8% to 85.9% within 72 h after adding 30 mg·L−1 of pantothenic acid to a 12-liter bioreactor. The intermediate products from the degradation process, analyzed via GC/MS, were determined to be hydroquinone, which suggests that the degradation pathway of the bacterium for PNP involves the breakdown of hydroquinone. Benefits have been derived from the microorganism’s tolerance to high salinity and high PNP concentrations, coupled with its superior PNP degradation performance, offering new insights and a research basis for the efficient biological treatment of high-salinity PNP wastewater.

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Utilizing a Novel Halotolerant Bordetella Bacterium Combined with Co-Metabolites to Boost the Degradation of P-Nitrophenol in High-Salinity Wastewater

Qin,

Li,

Tan

et al. 2024

Water

View full text Add to dashboard Cite

show abstract

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Enhanced degradation performance toward para-nitrophenol of adapted immobilized microbial community on coconut coir

Cited by 1 publication

References 81 publications

Utilizing a Novel Halotolerant Bordetella Bacterium Combined with Co-Metabolites to Boost the Degradation of P-Nitrophenol in High-Salinity Wastewater

Utilizing a Novel Halotolerant Bordetella Bacterium Combined with Co-Metabolites to Boost the Degradation of P-Nitrophenol in High-Salinity Wastewater

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