Numéro |
J. Phys. IV France
Volume 107, May 2003
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Page(s) | 557 - 560 | |
DOI | https://doi.org/10.1051/jp4:20030364 |
J. Phys. IV France 107 (2003) 557
DOI: 10.1051/jp4:20030364
The growth of bacteria cells in naphthalene and ethanol-bearing systems in the presence of cadmium
D.S. Gomes, J. Benzaquem, C. Rogrigues Augusto, E. Barboza and S. Gomes Ferreira LeiteUFRJ, Federal University of Rio de Janeiro, Centro de Tecnologia, Bloco E llha do Fundao, 21949-900 Rio de Janeiro, Brazil
Abstract
The present work is aimed to show thé effects of cadmium in thé growth oftwo bacteria species in
the presenceof'llilplltlalele solubilized in ethanol. The Pseudomonas putida culture and 116, isolated from
gasoline soil contaminated with ability to biosurfactant production, were able to growth in naphthalene
ethanol until 20 ppm concentration. When a cadmium solution was added ofthis naphthaiene médium we
detected a largest bacterial growth with 0.18 ppm of cadmium. We also detected um adaptation period in the
growth on the 1.8 and 18 ppm oftthe metal once the final protein concentrations was almost the same in all
cxperimental conditions.
© EDP Sciences 2003