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Publication Type J
Authors Lee, E. H., K. S. Cho and J. Kim
Title Comparative Study of Rhizobacterial Community Structure of Plant Species in Oil-Contaminated Soil
Source Journal of Microbiology and Biotechnology
Abstract In this study, the identity and distribution of plants and the structure of their associated rhizobacterial communities were examined in an oil-contaminated site. The number of plant species that formed a community or were scattered was 24. The species living in soil highly contaminated with total petroleum hydrocarbon (TPH) (9,000-4,5000 mg/g-soil) were Cynodon dactylon, Persicaria lapathifolia, and Calystegia soldanella (a halophytic species). Among the 24 plant species, the following have been known to be effective for oil removal: C. dactylon, Digitaria sanguinalis, and Cyperus orthostachyus. Denaturing gradient gel electrophoresis (DGGE) profile analysis showed that the following pairs of plant species had highly similar (above 70%) rhizobacterial community structures: Artemisia princeps and Hemistepta lyrata; C. dactylon and P lapathifolia; Carex kobomugi and Cardamine flexuosa; and Equisetum arvense and D. sanguinalis. The major groups of rhizobacteria were Beta-proteobacteria, Gamma-proteobacteria, Chloroflexi, Actinobacteria, and unknown. Based on DGGE analysis, P lapathifolia, found for the first time in this study growing in the presence of high TPH, may be a good species for phytoremediation of oil-contaminated soils in particular, C. soldanella may be useful for soils with high TPH and salt concentrations. Overall, this study suggests that the plant roots, regardless of plant species, may have a similar influence on the bacterial community structure in oil-contaminated soil.
Author Address [Kim, Jaisoo] Kyonggi Univ, Dept Life Sci, Suwon 443760, South Korea. [Lee, Eun-Hee; Cho, Kyong-Suk] Ewha Womans Univ, Dept Environm Sci & Engn, Seoul 120750, South Korea. Kim, J (reprint author), Kyonggi Univ, Dept Life Sci, Suwon 443760, South Korea. jkimtamu@kgu.ac.kr
ISSN 1017-7825
ISBN 1017-7825
Publication Date Sep
Year Published 2010
Volume 20
Issue 9
Beginning Page 1339-1347
Digital Object Identifier (DOI) 10.4014/jmb.1003.03022
Unique Article Identifier WOS:000282260500012
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