A new functional biofilm biocatalyst for the simultaneous removal of dibenzothiophene and quinoline using Rhodococcus rhodochrous and curli amyloid overproducer mutants derived from Cobetia sp. strain MM1IDA2H-1

Dinamarca, M. Alejandro; Eyzaguirre, Johana; Baeza, P.; Aballay, Paulina; Valenzuela, Carla V.; Ojeda, J.

doi:10.1016/j.btre.2018.e00286

Cited by 4 publications

References 31 publications

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Cobetia

Ventosa¹,

Arahal²

2020

Bergey's Manual of Systematics of Archaea and Bacteria

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Co.be′ti.a. N.L. fem. n. Cobetia named after A. B. Cobet, who originally described the type species as “ Arthrobacter marinus .” Proteobacteria / Gammaproteobacteria / Oceanospirillales / Halomonadaceae / Cobetia The genus Cobetia is classified within the family Halomonadaceae and the order Oceanospirillales , in the class Gammaproteobacteria . The cells stain Gram‐negative and are motile and non‐endospore‐forming rods. Colonies are cream, white, or light yellow pigmented. Chemoorganotrophic. Strictly aerobic. Catalase‐positive and oxidase‐negative. Optimal growth at 5–6.5% (w/v) NaCl, at pH 6.5–8.5 and 25–38°C. The predominant cellular fatty acids are C 16:1 ω7 c , C 16:0 , C 12:0 3‐OH, C 18:1 ω7 c , and C 17:0 cyclo. The DNA G + C content is 61.4–64.6 mol%. Currently, the genus includes five species: Cobetia marina (type species of the genus), Cobetia amphilecti , Cobetia crustatorum , Cobetia litoralis, and Cobetia pacifica . The strains of these species were isolated from marine environments, marine sediments, marine invertebrates, and fermented seafood. DNA G + C content (mol%): 61.4–64.6 according to wet‐lab methods, 57.3–63.2 in genomic sequences. Type species: Cobetia marina (Cobet et al. 1970) Arahal et al. 2002a VL88, emend. Romanenko et al. 2013.

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Cobetia

Ventosa¹,

Arahal²

2020

Bergey's Manual of Systematics of Archaea and Bacteria

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Non-hydrogen processes for simultaneous desulfurization and denitrogenation of light petroleum fuels—an elaborative review

Kumari

Sengupta

2021

Environ Sci Pollut Res

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Study of pre-treatment of quinoline in aqueous solution using activated carbon made from low-cost agricultural waste (walnut shells) modified with ammonium persulfate

Yang

Zhang

et al. 2019

Water Science and Technology

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Activated carbon made from agricultural waste (walnut shells) was investigated as a suitable adsorbent for effectively removing quinoline from industrial wastewater. The activated carbon was treated with phosphoric acid and oxidized by ammonium persulfate and its ability to adsorb pyridine and quinoline in aqueous solution was investigated. Kinetic parameters for the adsorption process were determined through pseudo-first-order and pseudo-second-order kinetic models and intraparticle diffusion models. Equilibrium experiments and adsorption isotherms were analyzed using Langmuir and Freundlich adsorption isotherms. After reaching equilibrium, the activated carbon adsorbed quinoline in preference to pyridine: the equilibrium adsorptions from individual aqueous solutions (200 μL L−1) of quinoline and pyridine were 166.907 mg g−1 and 72.165 mg g−1, respectively. Thermodynamic studies of quinoline adsorption were conducted at different temperatures and indicated that quinoline adsorption was an endothermic and spontaneous process. The column-adsorption of quinoline and pyridine was consistent with the Thomas model and the Yoon-Nelson model. The removal efficiency of quinoline reached more than 97% for a velocity of 6 mL min−1 at the initial adsorption stage.

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A new functional biofilm biocatalyst for the simultaneous removal of dibenzothiophene and quinoline using Rhodococcus rhodochrous and curli amyloid overproducer mutants derived from Cobetia sp. strain MM1IDA2H-1

Abstract: HighlightsTwo mutants strains were generated by mutagenesis of Cobetia sp MM1IDA2H-1.A functional biofilm of R. rhodochrous and a Curli over producer mutants was formed.DBT and QN were simultaneous removal by the biofilm functional by co-metabolism.

Cited by 4 publications

References 31 publications

Cobetia

Cobetia

Non-hydrogen processes for simultaneous desulfurization and denitrogenation of light petroleum fuels—an elaborative review

Study of pre-treatment of quinoline in aqueous solution using activated carbon made from low-cost agricultural waste (walnut shells) modified with ammonium persulfate

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