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Title: Potential of the TCE-degrading endophyte Pseudomonas putida W619-TCE to improve plant growth and reduce TCE phytotoxicity and evapotranspiration in poplar cuttings
Authors: WEYENS, Nele
Newman, Lee
Taghavi, Safiyh
Van Der Lelie, Daniel
Issue Date: 2010
Citation: ENVIRONMENTAL POLLUTION, 158(9). p. 2915-2919
Abstract: The TCE-degrading poplar endophyte Pseudomonas putida W619-TCE was inoculated in poplar cuttings, exposed to 0, 200 and 400 mg l(-1) TCE, that were grown in two different experimental setups. During a short-term experiment, plants were grown hydroponically in half strength Hoagland nutrient solution and exposed to ICE for 3 days. Inoculation with P. putida W619-TCE promoted plant growth, reduced TCE phytotoxicity and reduced the amount of TCE present in the leaves. During a mid-term experiment, plants were grown in potting soil and exposed to TCE for 3 weeks. Here, inoculation with P. putida W619-TCE had a less pronounced positive effect on plant growth and ICE phytotoxicity, but resulted in strongly reduced amounts of ICE in leaves and roots of plants exposed to 400 mg l(-1) TCE, accompanied by a lowered evapotranspiration of TCE. Dichloroacetic acid (DCAA) and trichloroacetic acid (TCAA), which are known intermediates of TCE degradation, were not detected. (C) 2010 Elsevier Ltd. All rights reserved.
Notes: [Weyens, Nele; Truyens, Sascha; Dupae, Joke; Carleer, Robert; Vangronsveld, Jaco] Hasselt Univ, Ctr Environm Sci, B-3590 Diepenbeek, Belgium. [Newman, Lee; Taghavi, Safiyh; van der Lelie, Daniel] Brookhaven Natl Lab, Dept Biol, Upton, NY 11973 USA. jaco.vangronsveld@uhasselt.be
URI: http://hdl.handle.net/1942/11150
DOI: 10.1016/j.envpol.2010.06.004
ISI #: 000281306400016
ISSN: 0269-7491
Category: A1
Type: Journal Contribution
Validation: ecoom, 2011
Appears in Collections: Research publications

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