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Capacity resistance of endophytic fungi the mercury. Repositório Alice
PIETRO-SOUZA, W.; VENDRUSCULLO, S. J.; MELLO, I. S.; LIOTTI, R. G.; BICHARA, K. P. A.; SILVA, G. F.; ALMEIDA, E. G.; NUNES DA CUNHA, C.; SOARES, M. A..
Contamination of biological systems by mercury represents a global concern, given the difficulty of degradation, persistence and potential toxicity of this metal in the environment. Remediation strategies of soils contaminated with mercury are required and the use of microorganisms as bioremediation agents is fully justified, in particular, the various mechanisms of tolerance to heavy metals allocated to them, particularly for fungi arising from various chemical processes, such as transformation valence, intra and extracellular precipitation and oxidation. Our hypothesis is that endophytic fungi isolated from areas contaminated by mercury present higher resistance to this metal.
Tipo: Separatas Palavras-chave: MIC; Wetland; Heavy metal.; Bioremediation..
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1027546
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Isolation of endophytic fungi in environments with and without traces of mercury contamination, Pantanal of Mato Grosso. Repositório Alice
PIETRO-SOUZA, W.; VENDRUSCULLO, S. J.; MELLO, I. S.; LIOTTI, R. G.; BICHARA, K. P. A.; SILVA, G. F.; ALMEIDA, E. G.; NUNES DA CUNHA, C.; SOARES, M. A..
The mining activity in Mato Grosso is an economic source for many cities, especially in Poconé, where this activity is responsible for significant change in the landscape and the contamination of the ecosystem by mercury. This results in serious damage to biota enhanced by bioaccumulation capacity. Mercury is toxic to all organisms, however, some microorganisms have innate or acquired tolerance to metal. Therefore, our hypothesis is based on the premise that plants in contaminated environments with mercury harbor a specific community of endophytic fungi, therefore, variations in the colonization frequency of the endophytes in these plants are expected, when compared to places without contamination.
Tipo: Separatas Palavras-chave: Poconé; Resistance; Heavy metal; Mining of gold.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1027537
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