Adaptation of bacteria to different concentrations of phenol in the laboratory: essentials for biodegradation process

Adaptación de bacterias a diferentes concentraciones de fenol en el laboratorio: aspectos esenciales para un proceso de biodegradación

Published 2011-06-30

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Vol. 9 No. 15 (2011)
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Artículo Original
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Echeverri Jaramillo, G. (2011). Adaptation of bacteria to different concentrations of phenol in the laboratory: essentials for biodegradation process. NOVA, 9(15). https://doi.org/10.22490/24629448.489
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https://doi.org/10.22490/24629448.489
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Gustavo Echeverri Jaramillo
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    It was intended to see growth of bacterial load of contaminated samples, based on adaptation to different concentrations of phenol. Were followed in the middle mineralized concentrations (200 to10000mg/L), and variations of inoculum. Demonstrated changes in bacterial growth, increased burden found in soil, with phase adjustment on the second day and growth phase on the third day, most clearly in 200 and 500mg/L, decreasingwith increasing concentration. Comparing variations in the inoculums (directly adapted and pre-enrichment), the samples can be applied to direct high load (soil), the pre-enrichment is not practical for bacterial stress, can be used and adapted to 500mg/L with no problems. In ringing on agar (mineralized and nutritious), there was growth up to 1000mg/ L, making it clear toal low detailed study biochemical characterization. It is important to purify waste water from different sources to find bacteria that resist high concentrations of phenol and  allow effective ness in bioprocesses, knowing preadaptation behaviors, such as study time and appropriate treatment for the preparation of inoculum.

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    20. DOI: http://dx.doi.org/10.22490/24629448.489
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