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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Camargo, Flávio Anastácio de Oliveira Prado, Gerônimo Rodrigues Colla, Tatiana Simonetto de Souza, Marcela Moreira Andreazza, Robson Bücker, Francielle Frazzon, Ana Paula Guedes Bento, Fátima Menezes Tramontini, Letícia |
| Description | Country affiliation: Brazil Author Affiliation: Colla TS ( Department of Microbiology, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.) |
| Abstract | This study investigated the effectiveness of successive bioaugmentation, conventional bioaugmentation, and biostimulation of biodegradation of B10 in soil. In addition, the structure of the soil microbial community was assessed by polymerase chain reaction-denaturing gradient gel electrophoresis. The consortium was inoculated on the initial and the 11th day of incubation for successive bioaugmentation and only on the initial day for bioaugmentation and conventional bioaugmentation. The experiment was conducted for 32 days. The microbial consortium was identified based on sequencing of 16S rRNA gene and consisted as Pseudomonas aeruginosa, Achromobacter xylosoxidans, and Ochrobactrum intermedium. Nutrient introduction (biostimulation) promoted a positive effect on microbial populations. The results indicate that the edaphic community structure and dynamics were different according to the treatments employed. $CO_{2}$ evolution demonstrated no significant difference in soil microbial activity between biostimulation and bioaugmentation treatments. The total petroleum hydrocarbon (TPH) analysis indicated a biodegradation level of 35.7 and 32.2 % for the biostimulation and successive bioaugmentation treatments, respectively. Successive bioaugmentation displayed positive effects on biodegradation, with a substantial reduction in TPH levels. |
| ISSN | 09441344 |
| Issue Number | 4 |
| Volume Number | 21 |
| e-ISSN | 16147499 |
| Journal | Environmental Science and Pollution Research |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2014-02-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Achromobacter Denitrificans Physiology Biofuels Brucellaceae Gasoline Hydrocarbons Metabolism Pseudomonas Aeruginosa Soil Pollutants Isolation & Purification Biodegradation, Environmental Carbon Dioxide Dna, Bacterial Genetics Denaturing Gradient Gel Electrophoresis Microbial Consortia Polymerase Chain Reaction Rna, Ribosomal, 16s Soil Microbiology Journal Article Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine |
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