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BACTERIAL DEGRADATION AND BIOREMEDIATION OF CHLORINATED HERBICIDES AND BIPHENYLS J. Soil Sci. Plant Nutr.
Seeger,Michael; Hernández,Marcela; Méndez,Valentina; Ponce,Bernardita; Córdova,Macarena; González,Myriam.
Chlorinated herbicides (e.g. s-triazines) and polychlorobiphenyls (PCBs) are persistent organic pollutants (POPs) that are widely distributed in the environment. s-Triazine herbicides are used in agriculture and forestry in diverse regions of the world. PCBs were produced worldwide for industrial applications, and an important amount of these compounds have been released into the environment. PCBs and s-triazines are toxic compounds that could act as endocrine disrupters and cause cancer. Therefore, environmental pollution with s-triazines and PCBs is of increasing concern. Bioremediation is an attractive technology for the decontamination of polluted sites. Microorganisms play a main role in the removal of POPs from the environment. Diverse bacteria able...
Tipo: Journal article Palavras-chave: Bacterial degradation; I-triazines; PCBs; Catabolic genes; Genome; Bioremediation.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-95162010000100007
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Functional diversity of bacterial genes associated with aromatic hydrocarbon degradation in anthropogenic dark earth of Amazonia. Repositório Alice
GERMANO, M. G.; CANNAVAN, F. S.; MENDES, L. W.; LIMA, A. B.; TEIXEIRA, W. G.; PELLIZARI, V. H.; TSAI, S. M..
The objective of this work was to evaluate the catabolic gene diversity for the bacterial degradation of aromatic hydrocarbons in anthropogenic dark earth of Amazonia (ADE) and their biochar (BC). Functional diversity analyses in ADE soils can provide information on how adaptive microorganisms may influence the fertility of soils and what is their involvement in biogeochemical cycles. For this, clone libraries containing the gene encoding for the alpha subunit of aromatic ring-hydroxylating dioxygenases (a-ARHD bacterial gene) were constructed, totaling 800 clones. These libraries were prepared from samples of an ADE soil under two different land uses, located at the Caldeirão Experimental Station - secondary forest (SF) and agriculture (AG) -, and the...
Tipo: Artigo de periódico Palavras-chave: Catabolic genes; Genetic diversity; Land use system; Tropical soil.; Microbial ecology..
Ano: 2012 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/927700
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Functional diversity of bacterial genes associated with aromatic hydrocarbon degradation in anthropogenic dark earth of Amazonia PAB
Germano,Mariana Gomes; Cannavan,Fabiana de Souza; Mendes,Lucas William; Lima,Amanda Barbosa; Teixeira,Wenceslau Geraldes; Pellizari,Vivian Helena; Tsai,Siu Mui.
The objective of this work was to evaluate the catabolic gene diversity for the bacterial degradation of aromatic hydrocarbons in anthropogenic dark earth of Amazonia (ADE) and their biochar (BC). Functional diversity analyses in ADE soils can provide information on how adaptive microorganisms may influence the fertility of soils and what is their involvement in biogeochemical cycles. For this, clone libraries containing the gene encoding for the alpha subunit of aromatic ring-hydroxylating dioxygenases (α-ARHD bacterial gene) were constructed, totaling 800 clones. These libraries were prepared from samples of an ADE soil under two different land uses, located at the Caldeirão Experimental Station - secondary forest (SF) and agriculture (AG) -, and the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Catabolic genes; Genetic diversity; Land use systems; Microbial ecology; Tropical soils.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2012000500004
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