Abstract：
:Bioremediation of aromatic hydrocarbons in groundwater and sediments is often limited by dissolved oxygen. Many aromatic hydrocarbons degrade very slowly or not at all under anaerobic conditions. Nitrate is a good alternative electron acceptor to oxygen, and denitrifying bacteria are commonly found in the subsurface and in association with contaminated aquifer materials. Providing both nitrate and microaerophilic levels of oxygen may result in oxidation of the stable benzene rings in aromatic contaminants and allow for the intermediates of this oxidation to degrade via denitrification. The effects of using mixed electron acceptors on biodegradation of subsurface contaminants is unclear. Below some critical oxygen threshold, aerobic biodegradation is inhibited, however high levels of oxygen inhibit denitrification. The mechanisms which regulate electron transfer to oxygen and nitrate are complex. This review: 1) describes the factors which may affect the utilization of oxygen and nitrate as dual electron acceptors during biodegradation; 2) summarizes the incidence of dual use of nitrate and oxygen (aerobic denitrification); and 3) presents evidence of the effectiveness of bioremediation under mixed oxygen/nitrate conditions.
journal_name
J Ind Microbiol Biotechnoljournal_title
Journal of industrial microbiology & biotechnologyauthors
Wilson LP,Bouwer EJdoi
10.1038/sj.jim.2900288subject
Has Abstractpub_date
1997-02-01 00:00:00pages
116-30issue
2-3eissn
1367-5435issn
1476-5535journal_volume
18pub_type
杂志文章,评审abstract：:Rapid fluorescence techniques were evaluated for the detection of bacterial contaminants in papermaking chemicals including starch and the resin-based sizes and starch slurries used in the paper industry. Viable and non-viable bacterial cells were visualised by fluorescent probes and detected by epifluorescence micros...
journal_title：Journal of industrial microbiology & biotechnology
pub_type： 杂志文章
doi：10.1007/s10295-003-0046-0
更新日期：2003-04-01 00:00:00
abstract：:Denitrification is one of the key processes of the global nitrogen (N) cycle driven by bacteria. It has been widely known for more than 100 years as a process by which the biogeochemical N-cycle is balanced. To study this process, we develop an individual-based model called INDISIM-Denitrification. The model embeds a ...
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journal_title：Journal of industrial microbiology & biotechnology
pub_type： 杂志文章,评审
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journal_title：Journal of industrial microbiology & biotechnology
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更新日期：1997-10-01 00:00:00
abstract：:A collection of Pseudomonas corrugata and P. mediterranea strains, two closely related species, was evaluated for the presence and variability of pha loci. Using PCR methods that specifically amplify segments of medium-chain-length poly(hydroxyalkanoate) (mcl-PHA) synthase genes, we demonstrated the presence of phaC1 ...
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journal_title：Journal of industrial microbiology & biotechnology
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更新日期：2011-10-01 00:00:00
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journal_title：Journal of industrial microbiology & biotechnology
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doi：10.1038/sj.jim.7000277
更新日期：2002-10-01 00:00:00
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journal_title：Journal of industrial microbiology & biotechnology
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更新日期：1997-08-01 00:00:00
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更新日期：2008-11-01 00:00:00
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更新日期：2015-10-01 00:00:00
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更新日期：2003-03-01 00:00:00
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journal_title：Journal of industrial microbiology & biotechnology
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journal_title：Journal of industrial microbiology & biotechnology
pub_type： 杂志文章
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更新日期：2008-11-01 00:00:00
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journal_title：Journal of industrial microbiology & biotechnology
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journal_title：Journal of industrial microbiology & biotechnology
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doi：10.1007/s10295-004-0122-0
更新日期：2004-03-01 00:00:00
