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Registros recuperados: 4
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Change in enzymatic activity of microbial communities on the seasonal differences in soils the of biomes caatinga and atlantic forest. Repositório Alice
BONONI, L.; VASCONCELLOS, R. L. F.; TAKETANI, R. G.; VILELA, E. S. D.; MOITINHO, M. A.; MELO, I. S. de.
Abstract: The average global temperature has increased and will continue increasing, with forecast of up to 5.8° C by the end of this century as a result of the increase in the concentration of greenhouse gases in the atmosphere. Due to these increased temperature, some biomes may introduce features of arid and semi-arid environments in the coming years. The patterns of water availability in the soil can select groups of microorganisms with physiological strategies to tolerate these seasonal changes. Nutrient availability for plants becomes limited when the aqueous part of the soil is low in the dry period. On the other hand, in irrigated soils the concentration of nutrients available associated with mineralization increases rapidly. Environmental...
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Arid environments; Seasonality; Soil microbiota; Caatinga; Dry environmental conditions; Enzyme activity; Soil microorganisms.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1037853
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Interactions between earthworms and soil microbiota under green sugarcane production. Repositório Alice
BRAGA, L.; BROWN, G. G.; TSAI, S..
2014
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Pontoscolex corethrurus; Minhoca; Microbiota do solo; Earthworm; Soil microbiota.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1022115
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Quantificação da microbiota de diferentes profundidades de um solo situado em uma área de transição entre Cerrado e Mata Atlântica em Sete Lagoas-MG. Repositório Alice
DONATO, A. de; MAIA, T. F.; FRAGA, M. E.; COSTA, T. C. C..
2013
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Soil microbiota; Microbiologia do solo; Soil microorganisms.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/handle/doc/976481
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Selection of biosurfactan/bioemulsifier-producing bacteria from hydrocarbon-contaminated soil BJM
Viramontes-Ramos,Sabina; Portillo-Ruiz,Martha Cristina; Ballinas-Casarrubias,María de Lourdes; Torres-Muñoz,José Vinicio; Rivera-Chavira,Blanca Estela; Nevárez-Moorillón,Guadalupe Virginia.
Petroleum-derived hydrocarbons are among the most persistent soil contaminants, and some hydrocarbon-degrading microorganisms can produce biosurfactants to increase bioavailability and degradation. The aim of this work was to identify biosurfactant-producing bacterial strains isolated from hydrocarbon-contaminated sites, and to evaluate their biosurfactant properties. The drop-collapse method and minimal agar added with a layer of combustoleo were used for screening, and positive strains were grown in liquid medium, and surface tension and emulsification index were determined in cell-free supernantant and cell suspension. A total of 324 bacterial strains were tested, and 17 were positive for the drop-collapse and hydrocarbon-layer agar methods. Most of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biosurfactants; Bioemulsifiers; Soil microbiota; Hydrocarbon contamination.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822010000300017
Registros recuperados: 4
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