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| 5. |  | HE, Y.; MATHIEU, J.; YANG, Y.; YU, P.; SILVA, M. L. B. da; ALVAREZ, P. J. J. Dioxane biodegradation by mycobacterium dioxanotrophicus pH-06 is associated with a group-6 soluble di-iron monooxygenase. Environmental Science & Technology, v. 4, n. 11, p. 494-499, 2017.| Biblioteca(s): Embrapa Suínos e Aves. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Suínos e Aves. Para informações adicionais entre em contato com cnpsa.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Suínos e Aves. |
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Data corrente: |
31/03/2015 |
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Data da última atualização: |
09/04/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
RAMOS, D. T.; SILVA, M. L. B. da; NOSSA, C. W.; ALVAREZ, P. J. J.; CORSEUIL, H. X. |
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Afiliação: |
DÉBORA TOLEDO RAMOS, UFSC; MARCIO LUIS BUSI DA SILVA, CNPSA; CARLOS WOLFGANG NOSSA, Rice University/Department of Ecology and Evolutionary Biology; PEDRO J. J. ALVAREZ, Rice University/Department of Ecology and Evolutionary Biology; HENRY XAVIER CORSEUIL, UFSC. |
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Título: |
Assessment of microbial communities associated with fermentative-methanogenic biodegradation of aromatic hydrocarbons in groundwater contaminated with a biodiesel blend (B20). |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Biodegradation, v. 25, n. 5, p. 681-691, 2014. |
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DOI: |
10.1007/s10532-014-9691-4. |
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Idioma: |
Inglês |
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Conteúdo: |
A controlled field experiment was conducted to assess the potential for fermentative-methanogenic biostimulation (by ammonium-acetate injection) to enhance biodegradation of benzene, toluene, ethylbenzene and xylenes (BTEX) as well as polycyclic aromatic hydrocarbons (PAHs) in groundwater contaminated with biodiesel B20 (20:80 v/v soybean biodiesel and diesel). Changes in microbial community structure were assessed by pyrosequencing 16S rRNA analyses. BTEX and PAH removal began 0.7 year following the release, concomitantly with the increase in the relative abundance of Desulfitobacterium and Geobacter spp. (from 5 to 52.7 % and 15.8 to 37.3 % of total Bacteria 16S rRNA, respectively), which are known to anaerobically degrade hydrocarbons. The accumulation of anaerobic metabolites acetate and hydrogen that could hinder the thermodynamic feasibility of BTEX and PAH biotransformations under fermentative/methanogenic conditions was apparently alleviated by the growing predominance of Methanosarcina. This suggests the importance of microbial population shifts that enrich microorganisms capable of interacting syntrophically to enhance the feasibility of fermentative-methanogenic bioremediation of biodiesel blend releases. |
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Thesagro: |
Biodegradação. |
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Thesaurus NAL: |
Biodegradation; biodiesel. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01969naa a2200217 a 4500
001 2012492
005 2015-04-09
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1007/s10532-014-9691-4.$2DOI
100 1 $aRAMOS, D. T.
245 $aAssessment of microbial communities associated with fermentative-methanogenic biodegradation of aromatic hydrocarbons in groundwater contaminated with a biodiesel blend (B20).$h[electronic resource]
260 $c2014
520 $aA controlled field experiment was conducted to assess the potential for fermentative-methanogenic biostimulation (by ammonium-acetate injection) to enhance biodegradation of benzene, toluene, ethylbenzene and xylenes (BTEX) as well as polycyclic aromatic hydrocarbons (PAHs) in groundwater contaminated with biodiesel B20 (20:80 v/v soybean biodiesel and diesel). Changes in microbial community structure were assessed by pyrosequencing 16S rRNA analyses. BTEX and PAH removal began 0.7 year following the release, concomitantly with the increase in the relative abundance of Desulfitobacterium and Geobacter spp. (from 5 to 52.7 % and 15.8 to 37.3 % of total Bacteria 16S rRNA, respectively), which are known to anaerobically degrade hydrocarbons. The accumulation of anaerobic metabolites acetate and hydrogen that could hinder the thermodynamic feasibility of BTEX and PAH biotransformations under fermentative/methanogenic conditions was apparently alleviated by the growing predominance of Methanosarcina. This suggests the importance of microbial population shifts that enrich microorganisms capable of interacting syntrophically to enhance the feasibility of fermentative-methanogenic bioremediation of biodiesel blend releases.
650 $aBiodegradation
650 $abiodiesel
650 $aBiodegradação
700 1 $aSILVA, M. L. B. da
700 1 $aNOSSA, C. W.
700 1 $aALVAREZ, P. J. J.
700 1 $aCORSEUIL, H. X.
773 $tBiodegradation$gv. 25, n. 5, p. 681-691, 2014.
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Embrapa Suínos e Aves (CNPSA) |
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