Download Bioremediation of Soils Contaminated with Aromatic Compounds by Hermann J. Heipieper PDF

By Hermann J. Heipieper

This e-book represents a compilation of the main contributions of a NATO workshop on bioremediation of soils infected with fragrant compounds, which came about in Tartu, Estonia. It demonstrates the significance and necessity of interdisciplinary learn in glossy environmental biotechnology.

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3) suggests that stimulatory compounds in legume rhizodeposits are of superior quality and/or quantity than for other species. J. G. Burns 22 c a ab bc d 20 d ad e 15 0 25 b b c ab a Mysotis a e d Stellaria ab Helianthus a Festuca 5 Holcus 10 Lolium 15 e e non-planted control monocot dicot non-legume dicot legume 20 non-planted Lotus Medicago 0 Trifolium -1 maximum rate (d ) t1 (d) 25 Figure 7. Effect of different plant species representative of the monocotyledons, dicotyledons (non-legume) and dicotyledons (legume) on 2,4-D mineralization parameters (t1 and maximum rate).

E. in addition to the native pathway substrate or intermediate effector molecule, they are able to interact with a (sometimes recalcitrant) structurally analogous compound to activate transcription (Shingler, 2003). , 1997 have investigated interactions between NahR, the transcriptional regulator of the naphthalene degradative operons of catabolic plasmid NAH7, and potential aromatic effector molecules. They found NahR activated transcription from Psal (the promoter of the lower naphthalene pathway) not only in the presence of the native salicylate, but also in the presence of other aromatic compounds.

1998) Enhancement of 2,4dichlorophenoxyacetic acid (2,4-D) degradation in soil by dissemination of catabolic plasmids. Antonie van Leeuwenhoek 73, 87-94. J. G. Burns Tropel D. R. (2004) Bacterial Transcriptional Regulators for Degradation Pathways of Aromatic Compounds. Microbiology and Molecular Biology Reviews 68, 474-500. , Defago G. and Haas D. (1997) Conjugative transfer of chromosomal genes between fluorescent pseudomonads in the rhizosphere of wheat. Applied and Environmental Microbiology 63, 213-219.

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