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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
02/12/2009 |
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Data da última atualização: |
20/03/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CASTRO, V. L. S. S. de; JONSSON, C. M.; SILVA, C. M. M. S.; MAIA, A. de H. N. |
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Afiliação: |
VERA LUCIA SCHERHOLZ S DE CASTRO, CNPMA; CLAUDIO MARTIN JONSSON, CNPMA; CELIA MARIA MAGANHOTTO S SILVA, CNPMA; ALINE DE HOLANDA NUNES MAIA, CNPMA. |
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Título: |
Assessing the safety of Pseudomonas putida introduction in the environment: an overview of ecotoxicological tests. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Regulatory Toxicology and Pharmacology, v. 55, Nov. 2009. |
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DOI: |
10.1016/j.yrtph.2009.09.019 |
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Idioma: |
Inglês |
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Conteúdo: |
Risk assessment guidelines for the environmental release of microbial agents are performed in a tiered sequence which includes evaluation of exposure effects on non target organisms. However, it becomes important to verify whether environmental risk assessment from temperate studies is applicable to tropical countries, as Brazil. Pseudomonas putida is a bacteria showing potential to be used for environmental applications as bioremediation and plant disease control. This study investigates the effects of this bacteria exposure on rodents and aquatic organisms (Daphnia similes) that are recommended to be used as non-target organism in environmental risk assessments. Also, the microbial activity in three different soils under P. putida exposure was evaluated. Rats did not show clinical alterations, although the agent was recovered 16 h after the exposure in lung homogenates. The bacteria did not reduce significantly the reproduction and survival of D. similis. The soil enzymatic activities presented fluctuating values after inoculation with bacteria. The measurement of perturbations in soil biochemical characteristics is presented as an alternative way of monitoring the overall effects of the microbial agent to be introduced even in first stage (Tier I) of the risk assessment in tropical ecosystems. |
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Palavras-Chave: |
Ecotoxicologia. |
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Categoria do assunto: |
W Química e Física |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/143771/1/2009AP-04.pdf
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Marc: |
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100 1 $aCASTRO, V. L. S. S. de
245 $aAssessing the safety of Pseudomonas putida introduction in the environment$ban overview of ecotoxicological tests.$h[electronic resource]
260 $c2009
520 $aRisk assessment guidelines for the environmental release of microbial agents are performed in a tiered sequence which includes evaluation of exposure effects on non target organisms. However, it becomes important to verify whether environmental risk assessment from temperate studies is applicable to tropical countries, as Brazil. Pseudomonas putida is a bacteria showing potential to be used for environmental applications as bioremediation and plant disease control. This study investigates the effects of this bacteria exposure on rodents and aquatic organisms (Daphnia similes) that are recommended to be used as non-target organism in environmental risk assessments. Also, the microbial activity in three different soils under P. putida exposure was evaluated. Rats did not show clinical alterations, although the agent was recovered 16 h after the exposure in lung homogenates. The bacteria did not reduce significantly the reproduction and survival of D. similis. The soil enzymatic activities presented fluctuating values after inoculation with bacteria. The measurement of perturbations in soil biochemical characteristics is presented as an alternative way of monitoring the overall effects of the microbial agent to be introduced even in first stage (Tier I) of the risk assessment in tropical ecosystems.
653 $aEcotoxicologia
700 1 $aJONSSON, C. M.
700 1 $aSILVA, C. M. M. S.
700 1 $aMAIA, A. de H. N.
773 $tRegulatory Toxicology and Pharmacology$gv. 55, Nov. 2009.
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Embrapa Meio Ambiente (CNPMA) |
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