Effects of nitrobenzene contamination and of bioaugmentation on nitrification and ammonia-oxidizing bacteria in soil

Zhao, Shuo; Ramette, Alban Nicolas; Niu, Gui-Lan; Liu, Hong; Zhou, Ning-Yi (2009). Effects of nitrobenzene contamination and of bioaugmentation on nitrification and ammonia-oxidizing bacteria in soil. FEMS Microbiology Ecology, 70(2), pp. 315-323. Wiley 10.1111/j.1574-6941.2009.00773.x

Text 70-2-315.pdf - Published Version Restricted to registered users only Available under License Publisher holds Copyright. Download (356kB)

Bioaugmentation of nitrobenzene-contaminated soil was performed by inoculation with Pseudomonas putida ZWL73, which can grow on nitrobenzene as carbon and nitrogen sources and release free ammonium from the aromatic ring via a partial-reductive pathway. Removal of nitrobenzene was effectively enhanced with concurrent accumulation of ammonium in the bioaugmented soil. Moreover, the negative impact of nitrobenzene contamination on culturable bacterial types and soil nitrification was reduced by strain ZWL73. Changes in the community structure of ammonia-oxidizing bacteria, determined by denaturing gradient gel electrophoresis, were associated with changes in environmental factors in nitrobenzene-contaminated soil, including concentrations of nitrobenzene, ammonium, nitrite and nitrate, but their influence was attenuated in the bioaugmented soil. Overall, P. putida ZWL73 shows promising abilities for effective removal of nitrobenzene and for attenuating the negative effects of nitrobenzene contamination on soil functioning.

Interest & Impact

Downloads

0 since deposited on 20 Mar 2017
0 in the past 12 months

Citations

5 Citations in Web of Science ®
6 Citations in Scopus

Search

in Google Scholar™

Services

Actions (login required)

Edit item

Actions (login required)

Edit item