Pathway and kinetics of malachite green biodegradation by Pseudomonas veronii

Song, Jinlong; Han, Gang; Wang, Yani; Xu, Jianping; Zhao, Dongxue; Li, Miaomiao; Yang, Zhen; Ma, Qing‐Yun; Parales, Rebecca E.; Ruan, Zhiyong; Mu, Yingchun

doi:10.1038/s41598-020-61442-z

Cited by 48 publications

(25 citation statements)

References 31 publications

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“…SMX (analytical standard, > 99.5%), HPLC-grade methanol, and acetonitrile were purchased from Sinopharm Chemical Reagent Beijing Co., Ltd. All other reagents used in the present study were of analytical grade. Mineral salt medium (MSM) and Luria–Bertani (LB) medium were used as described by Song et al 25 . Agar plates were prepared by adding 1.5% (w/v) agar into the liquid media.…”

Section: Methodsmentioning

confidence: 99%

Biodegradation and metabolic pathway of sulfamethoxazole by Sphingobacterium mizutaii

Song

Hao

Liu

et al. 2021

Sci Rep

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Sulfamethoxazole (SMX) is the most commonly used antibiotic in worldwide for inhibiting aquatic animal diseases. However, the residues of SMX are difficult to eliminate and may enter the food chain, leading to considerable threats on human health. The bacterial strain Sphingobacterium mizutaii LLE5 was isolated from activated sludge. This strain could utilize SMX as its sole carbon source and degrade it efficiently. Under optimal degradation conditions (30.8 °C, pH 7.2, and inoculum amount of 3.5 × 107 cfu/mL), S. mizutaii LLE5 could degrade 93.87% of 50 mg/L SMX within 7 days. Four intermediate products from the degradation of SMX were identified and a possible degradation pathway based on these findings was proposed. Furthermore, S. mizutaii LLE5 could also degrade other sulfonamides. This study is the first report on (1) degradation of SMX and other sulfonamides by S. mizutaii, (2) optimization of biodegradation conditions via response surface methodology, and (3) identification of sulfanilamide, 4-aminothiophenol, 5-amino-3-methylisoxazole, and aniline as metabolites in the degradation pathway of SMX in a microorganism. This strain might be useful for the bioremediation of SMX-contaminated environment.

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Section: Methodsmentioning

confidence: 99%

Biodegradation and metabolic pathway of sulfamethoxazole by Sphingobacterium mizutaii

Song

Hao

Liu

et al. 2021

Sci Rep

Self Cite

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show abstract

“…SMX (analytical standard, >99.5%), HPLC-grade methanol, and acetonitrile were purchased from Sinopharm Chemical Reagent Beijing Co., Ltd. All other reagents used in the present study were of analytical grade. Mineral salt medium (MSM) and Luria-Bertani (LB) medium were used as described by Song et al 23 . Agar plates were prepared by adding 1.5% (w/v) agar into the liquid media.…”

Section: Methodsmentioning

confidence: 99%

Biodegradation and Metabolic Pathway of Sulfamethoxazole by Sphingobacterium Mizutaii

Song

Hao

Liu

et al. 2021

Preprint

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Sulfamethoxazole (SMX) is the most commonly used antibiotics in China for inhibiting aquatic animal diseases. However, the residues of SMX are difficult to eliminate and may enter the food chain, leading to considerable threats on human health. The bacterial strain Sphingobacterium mizutaii LLE5 was isolated from activated sludge. This strain could utilize SMX as its sole carbon source and degrade it efficiently. Under optimal degradation conditions (30.8 °C, pH 7.2, and inoculum amount of 3.5 × 107 cfu/mL), S. mizutaii LLE5 could degrade 93.87% of 50 mg/L SMX within 7 days. Four intermediate products from the degradation of SMX were identified: sulfanilamide, 4-aminothiophenol, 5-amino-3-methylisoxazole, and aniline, suggesting a possible degradation pathway based on these findings. This report is the first to confirm that Sphingobacteriumi could degrade SMX. Furthermore, S. mizutaii LLE5 could also degrade other sulfonamides. The degradation efficiencies of strain LLE5 for sulfadiazine, sulfaguanidine, sulfamisoxazole, and sulfadimidine were 59.85%, 51.68%, 46.95%, and 37.42%, respectively.

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“…The adsorption rate constant (k) and malachite green adsorbed at equilibrium time were determined from the slope and intercept of linear plot of pseudo rst order and pseudo second order according to Song et al (2020). Table 1 showed mathematical form and parameter of both models.…”

Section: Kinetic Modelsmentioning

confidence: 99%

“…It also most commonly used for dyeing silk, cotton, paper and leather (Hameed and El-Khaiary, 2008). Malachite green has reported to a ect the immune and reproductive system of animal due to its carcinogenic properties (Song et al, 2020). Malachite green also represents adverse e ect on reproductive and immune system (Yildirim and Bulut, 2020).…”

Section: Introductionmentioning

confidence: 99%

Malachite Green Removal by Zn/Al-citrate LDHs in Aqueous Solution

Hidayati¹,

Mohadi²,

Elfita³

et al. 2020

sci. technol. indones.

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Zn/Al-citrate LDHs was synthesized using co precipitation method at basic condition and the material were applied as adsorbent of malachite green (MG) dye in aqueous medium using batch system. Adsorption of MG onto Zn/Al-citrate was investigated through kinetic, isotherm adsorption and thermodynamic studies. Kinetic model was fitted PSO than PFO for MG adsorption. The rate of adsorption 𝑘2 for Zn/Al LDHs was 0.000692 g.mg−1 min−1 and 0.000371 g for Zn/Al-citrate LDHs.mg−1 min−1. Adsorption of malachite green onto Zn/Al LDHs and Zn/Al citrate LDHs was investigated and following Langmuir adsorption isotherm model shows chemical adsorption process. The adsorption capacity maximum of Zn/Al-citrate is 333 mg/g from Zn/Al LDHs is only 111 mg/g. Thermodynamic parameters of Zn/Al-citrate confirmed adsorption process was endothermic and spontaneous.

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Pathway and kinetics of malachite green biodegradation by Pseudomonas veronii

Cited by 48 publications

References 31 publications

Biodegradation and metabolic pathway of sulfamethoxazole by Sphingobacterium mizutaii

Biodegradation and metabolic pathway of sulfamethoxazole by Sphingobacterium mizutaii

Biodegradation and Metabolic Pathway of Sulfamethoxazole by Sphingobacterium Mizutaii

Malachite Green Removal by Zn/Al-citrate LDHs in Aqueous Solution

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