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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
11/12/2014 |
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Data da última atualização: |
17/10/2018 |
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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: |
COTTA, S. R.; DIAS, A. C. F.; MARRIEL, I. E.; ANDREOTE, F. D.; SELDIN, L.; ELSAS, J. D. van. |
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Afiliação: |
IVANILDO EVODIO MARRIEL, CNPMS. |
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Título: |
Different effects of transgenic maize and nontransgenic maize on nitrogen-transforming archaea and bacteria in tropical soils. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Applied and Environmental Microbiology, Washington, v. 80, n. 20, p. 6437-6445, Oct. 2014. |
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DOI: |
10.1128/AEM.01778-14 |
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Idioma: |
Inglês |
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Conteúdo: |
The composition of the rhizosphere microbiome is a result of interactions between plant roots, soil, and environmental conditions. The impact of genetic variation in plant species on the composition of the root-associated microbiota remains poorly understood. This study assessed the abundances and structures of nitrogen-transforming (ammonia-oxidizing) archaea and bacteria as well as nitrogen-fixing bacteria driven by genetic modification of their maize host plants. The data show that significant changes in the abundances (revealed by quantitative PCR) of ammonia-oxidizing bacterial and archaeal communities occurred as a result of the maize host being genetically modified. In contrast, the structures of the total communities (determined by PCRdenaturing gradient gel electrophoresis) were mainly driven by factors such as soil type and season and not by plant genotype. Thus, the abundances of ammonia-oxidizing bacterial and archaeal communities but not structures of those communities were revealed to be responsive to changes in maize genotype, allowing the suggestion that community abundances should be explored as candidate bioindicators for monitoring the possible impacts of cultivation of genetically modified plants. |
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Palavras-Chave: |
Planta geneticamente modificada. |
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Thesagro: |
Bactéria; Milho; Nitrogênio. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02018naa a2200241 a 4500
001 2002295
005 2018-10-17
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1128/AEM.01778-14$2DOI
100 1 $aCOTTA, S. R.
245 $aDifferent effects of transgenic maize and nontransgenic maize on nitrogen-transforming archaea and bacteria in tropical soils.$h[electronic resource]
260 $c2014
520 $aThe composition of the rhizosphere microbiome is a result of interactions between plant roots, soil, and environmental conditions. The impact of genetic variation in plant species on the composition of the root-associated microbiota remains poorly understood. This study assessed the abundances and structures of nitrogen-transforming (ammonia-oxidizing) archaea and bacteria as well as nitrogen-fixing bacteria driven by genetic modification of their maize host plants. The data show that significant changes in the abundances (revealed by quantitative PCR) of ammonia-oxidizing bacterial and archaeal communities occurred as a result of the maize host being genetically modified. In contrast, the structures of the total communities (determined by PCRdenaturing gradient gel electrophoresis) were mainly driven by factors such as soil type and season and not by plant genotype. Thus, the abundances of ammonia-oxidizing bacterial and archaeal communities but not structures of those communities were revealed to be responsive to changes in maize genotype, allowing the suggestion that community abundances should be explored as candidate bioindicators for monitoring the possible impacts of cultivation of genetically modified plants.
650 $aBactéria
650 $aMilho
650 $aNitrogênio
653 $aPlanta geneticamente modificada
700 1 $aDIAS, A. C. F.
700 1 $aMARRIEL, I. E.
700 1 $aANDREOTE, F. D.
700 1 $aSELDIN, L.
700 1 $aELSAS, J. D. van
773 $tApplied and Environmental Microbiology, Washington$gv. 80, n. 20, p. 6437-6445, Oct. 2014.
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