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A Gram-stain-negative, heterotrophic, aerobic, non-spore-forming and non-motile bacterial strain, designated LM5(T), was isolated from activated sludge from a sequencing batch reactor for the treatment of effluents contaminated by malachite green. The taxonomy of strain LM5(T) was studied by phenotypic and phylogenetic methods. Strain LM5(T) formed orange(More)
A Gram-negative, strictly aerobic and heterotrophic, non-spore-forming bacterial strain, designated LM22(T), was isolated from activated sludge of a sequencing batch reactor for the treatment of malachite green effluent. Cells of strain LM22(T) were slightly curved to straight rods (0.3-0.5×0.6-1.0μm) and motile by a single polar flagellum. Strain LM22(T)(More)
This study aims at the remediation of heavily PAH-contaminated soil containing 375 mg of total PAHs per kilogram dry soil. Pilot scale bioremediation experiments were carried out by three approaches with contaminated soil from abandoned sites of Beijing Coking Plant using outdoor pot trials. The first approach was bioaugmentation with a bacterial strain(More)
Bioremediation of an aged and heavily contaminated soil was performed using microbial remediation, phytoremediation, and microbial/phytoremediation. The removal efficiency of polycyclic aromatic hydrocarbons (PAHs) was in the order microbial/phytoremediation>microbial remediation≈phytoremediation>control. The removal percentage of microbial/phytoremediation(More)
A novel pyrene-degrading, Gram-negative bacterium, designated strain P-4(T), was isolated from a polycyclic aromatic hydrocarbon-degrading enrichment of polluted soils from a coking chemical plant. Cells of strain P-4(T) were non-motile rods. Strain P-4(T) grew at 15-45 °C (optimum, 37 °C), pH 6.0-10.0 (optimum, pH 8.5) and 0-4 % (w/v) NaCl. Analysis of the(More)
Mycothiol (MSH) was reported to be the dominant low molecular weight thiol in members of the Actinobacteria. In this study, a simple, fast, and sensitive method for qualitative and quantitative determination of MSH molecules was developed based on maleylpyruvate isomerase (MPI) from Corynebacterium glutamicum. The principle of this method is that the(More)
Three bacterial strains J1, J2, J3 which could use pyrene as the sole carbon and energy sources were isolated from soils contaminated with polycyclic aromatic hydrocarbons (PAHs) by enrichment culture. The strains were identified as Pseudomonas aeruginosa, Flavobacterium mizutaii, Brevibacillus parabrevis according to the results of morphology, physiology(More)
A Gram-staining-negative, non-endospore-forming, non-flagellated, non-motile and rod-shaped bacterium, designated strain LM2-5(T), was isolated from activated sludge in a sequencing batch reactor used for the treatment of triphenylmethane dye effluent. The taxonomy of strain LM2-5(T) was studied by phenotypic, chemotaxonomic and phylogenetic methods. Strain(More)
In order to ascertain BTEX measurements of soils from industrial contaminated sites, static headspace, purge-and-trap and solid phase microextraction (SPME) combined gas chromatography were selected to determine BTEX in the soils. This method of SPME could not be used to analyze BTEX isomers in soils from highly contaminated sites because the high(More)
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