Enrichment, isolation, and characterization of phenol-degrading Pseudomonas resinovorans strain P-1 and Brevibacillus sp. strain P-6

Yang, Chu-Fang; Lee, Chi-Mei

doi:10.1016/j.ibiod.2006.09.010

Cited by 48 publications

(24 citation statements)

References 11 publications

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“…La utilización de microorganismos degradadores de fenol está descrita ampliamente en varios estudios que muestran resultados relevantes frente a este contaminante (Geng et al, 2006;Kotresha & Vidyasagar, 2007;Yang & Lee, 2007;Dong et al, 2008;Mohite et al, 2010). Teniendo en cuenta que el fenol es persistente en aguas de re-uso provenientes de explotación de hidrocarburos, la utilización de microorganismos es una alternativa potencial que puede ser aplicada para descontaminar este recurso, que tiende a ser escaso y por lo tanto costoso con el tiempo.…”

Section: Discussionunclassified

“…Una alternativa es la biorremediación que representa un procedimiento amigable con el medio ambiente. Varios estudios han reportado el aislamiento de microorganismos con la capacidad de degradar fenol a diferentes concentraciones, de las cuales las bacterias se han estudiado ampliamente (Geng Soh, Lim, & Loke, 2006;Kotresha & Vidyasagar, 2007;Yang & Lee, 2007;Dong, Hong, He, Jiang, & Li, 2008;Cordova-Rosa et al, 2009;Mohite, Jalgaonwala, Pawar, & Morankar, 2010). Estos estudios han elucidado que los microorganismos se encuentran distribuidos ampliamente en ambientes afectados con fenol, lo que permite pensar en su potencial aplicación para biorremediación de sitios con presencia de este contaminante.…”

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Biodegradación de fenol en aguas tratadas de la industria petrolera para re-uso en cultivos agrícolas

Pardo-Díaz

Rojas‐Tapias

Roldán

et al. 2017

RBT

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Oil exploitation and the usage of its derivatives have undeniably contributed to the technological advance worldwide. This industrial activity, however, generates several by-products that can threaten environmental sustainability. Seawage, for example, can contain organic pollutants and heavy metals; therefore, its deposition must be preceded by adequate water treatment. In this study, we isolated, characterized, and molecularly identified eight bacteria on the basis of their capability to degrade phenol. First, we determined the rates of bacterial growth and phenol degradation using different concentrations of the aromatic hydrocarbon (500, 800 and 1 200 mg / L), and then used sequential statistical designs to select optimal conditions for its degradation. Results showed that all isolated strains were capable of degrading phenol as the sole carbon source; the degradation kinetics and phenol tolerance, however, widely varied among strains. We chose the strain Pseudomonas sp. Sps1 for further studies due to its remarkable tolerance and capability to degrade phenol. By using a Plackett Burman design, followed by a fractionated factorial design in which several carbon, nitrogen, and phosphorus sources were evaluated, and phenol degradation was used as the response variable, we found optimal conditions for phenol degradation by Sps1. Finally, we compared phenol degradation in seawage by the use or not of the optimal conditions established by the statistical methods. Results showed that biostimulation dramatically increased phenol degradation compared with the control. In conclusion, we found that bioaugmentation with the native bacteria Sps1 and a statistically-based biostimulation approach provided an economically and environmentally friendly alternative for the removal of pollutants from oil industry sewage.

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Section: Discussionunclassified

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Biodegradación de fenol en aguas tratadas de la industria petrolera para re-uso en cultivos agrícolas

Pardo-Díaz

Rojas‐Tapias

Roldán

et al. 2017

RBT

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“…All experimental procedures similar to methods by Yang and Lee (2007) were performed in axenic environment. Sifted dry dung (5 g) and sterile water (45 ml) ware mixed using a magnetic blender for 30 min.…”

Section: Isolation Of Bacteriamentioning

confidence: 99%

Isolation and identification of a potential biocontrol agent Bacillus subtilis QM3 from Qinghai yak dung in China

Song

et al. 2008

World J Microbiol Biotechnol

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Biocontrol agents have not been previously associated with yak dung. We describe here the isolation of strain QM3 from Qinghai yak dung in China. In vitro antagonistic assay showed that this strain could suppress the growth of various plant pathogens effectively, especially the pathogen Alternaria solani. Based on phenotypic, physiological, biochemical and phylogenetic (16S rDNA) studies, strain QM3 could be classified as a strain of Bacillus subtilis. Both OD 660 and inhibition effect of eight different kinds of culture media presented strongly significant difference with 0.006 (P \ 0.01) and 0.003 (P \ 0.01), respectively. Culture media YPF-Ca were selected from eight different kinds of culture media according to OD 660 and inhibitory effect. Different thermal treatments on the crude supernatant showed the antibiotic activity presented no significant (P = 0.54, P [ 0.05) with ANOVA at the 5% level when temperature was no higher than 100°C. These results were similarly in agreement with the reported thermo-resistance of iturin antibiotics produced by Bacillus. This is the first report on the isolation of Bacillus subtilis from the yak dung.

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“…The use of pure cultures microorganisms, especially for efficient metabolism of the contaminant, is advisable as a better alternative compare to mixed culture [6][7][8][9]. In general, the one-variable at a time (OVAT) approach in optimization studies is not difficult, but it decreases accuracy of the effects of interacting factors and might lead to misinterpretations of the results.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Phenol Degradation Using Pseudomonas aeruginosa (MTCC 7814) by Plackett-Burman Design and Response Surface Methodology

M¹

2014

J Bioremed Biodeg

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Enrichment, isolation, and characterization of phenol-degrading Pseudomonas resinovorans strain P-1 and Brevibacillus sp. strain P-6

Cited by 48 publications

References 11 publications

Biodegradación de fenol en aguas tratadas de la industria petrolera para re-uso en cultivos agrícolas

Biodegradación de fenol en aguas tratadas de la industria petrolera para re-uso en cultivos agrícolas

Isolation and identification of a potential biocontrol agent Bacillus subtilis QM3 from Qinghai yak dung in China

Optimization of Phenol Degradation Using Pseudomonas aeruginosa (MTCC 7814) by Plackett-Burman Design and Response Surface Methodology

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