NDLI: Rhizoremediation of diesel-contaminated soil using the plant growth-promoting rhizobacterium Gordonia sp. S2RP-17

Content Provider	Springer Nature Link
Author	Hong, Sun Hwa Ryu, HeeWook Kim, Jaisoo Cho, Kyung Suk
Copyright Year	2010
Abstract	A plant growth-promoting rhizobacterium (PGPR) was isolated and identified as Gordonia sp. S2RP-17, which showed ACC deaminase and siderophore synthesizing activities. Its maximum specific growth rate was 0.54 ± 0.12 d−1 at 5,000 mg L−1 of total petroleum hydrocarbon (TPH), and its maximum diesel degradation rate was 2,434.0 ± 124.4 mg L−1 d−1 at 20,000 mg L−1 of TPH. The growth of Zea mays was significantly promoted by the inoculation of Gordonia sp. S2RP-17 in the diesel-contaminated soil. Measured TPH removal efficiencies by various means were 13% by natural attenuation, 84.5% by planting Zea mays, and 95.8% by the combination of Zea mays and Gordonia sp. S2RP-17. The S2RP-17 cell counts were maintained at 1 × 106 CFU g-soil−1 during the remediation period, although they slightly decreased from their initial numbers (2.94 × 107 CFU g-soil−1). These results indicate that rhizoremediation using both Zea mays and Gordonia sp. S2RP-17 is a promising strategy for enhancing remediation efficiency of diesel-contaminated soils.
Starting Page	593
Ending Page	601
Page Count	9
File Format	PDF
ISSN	09239820
Journal	Biodegradation
Volume Number	22
Issue Number	3
e-ISSN	15729729
Language	English
Publisher	Springer Netherlands
Publisher Date	2010-11-17
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Rhizoremediation Plant growth-promoting rhizobacterium Diesel-contaminated soil Gordonia sp. Zea mays Geochemistry Terrestrial Pollution Microbiology Waste Management/Waste Technology Soil Science & Conservation Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Environmental Engineering Bioengineering Microbiology

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