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KMID : 1059520090530030325
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Journal of the Korean Chemical Society
2009 Volume.53 No. 3 p.325 ~ p.334
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Modifications Induced by Organic Solvents to Aeromonas hydrophila IBBCt4
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L?z?roaie Mihaela Marilena
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Abstract
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Many bacteria that are capable to tolerate and degrade organic solvents have been isolated from seawater. However, their roles in the biodegradation of organic solvents in the marine environment have remained unknown. Aeromonas hydrophila IBBCt4, isolated from Constanta seawater, was able to tolerate and degrade different organic solvents. Toluene, styrene, xylene isomers, ethylbenzene, with the logarithm of the partition coefficient in octanol-water mixture (log POW) between 2.64 and 3.17, were more toxic for bacterial cells, compared with propylbenzene, n-hexane, n-heptane, with log POW between 3.69 and 4.39. There were revealed cellular and molecular modifications induced by organic solvents to Aeromonas hydrophila IBBCt4. The study of cellular and molecular modifications induced by different organic solvents showed a complex response of bacterial cells to the presence of organic solvents in the culture media.
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KEYWORD
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Aeromonas hydrophila, Organic solvents, Modification
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