Anaerobic Biodegradation of Nitrogen-Substituted and Sulfonated Benzene Aquifer Contaminants

Kuhn, Elmar P.; Suflita, Joseph M.

doi:10.1089/hwm.1989.6.121

Cited by 42 publications

(26 citation statements)

References 35 publications

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“…This is in agreement with the limited experimental data available in the literature (Kuhn & Suflita 1989;Razo-Flores et al 1996). However, there are a few reports of other sulfonated aromatic compounds being degraded under anaerobic conditions.…”

Section: Discussionsupporting

confidence: 91%

“…Concerning the anaerobic biodegradability of sulfonated aromatic amines, only limited data is available in literature indicating that none of these compounds tested were degraded (Kuhn & Suflita 1989;Razo-Flores et al 1996). Under aerobic conditions, some sulfonated aromatic amines are degraded and used as carbon and energy source by specific strains.…”

Section: Introductionmentioning

confidence: 99%

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Fate and biodegradability of sulfonated aromatic amines

et al. 2005

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Ten sulfonated aromatic amines were tested for their aerobic and anaerobic biodegradability and toxicity potential in a variety of environmental inocula. Of all the compounds tested, only two aminobenzenesulfonic acid (ABS) isomers, 2-and 4-ABS, were degraded. The observed degradation occurred only under aerobic conditions with inocula sources that were historically polluted with sulfonated aromatic amines. Bioreactor experiments, with non-sterile synthetic wastewater, confirmed the results from the aerobic batch degradation experiments. Both ABS isomers were degraded in long-term continuous experiment by a bioaugmented enrichment culture. The maximum degradation rate in the aerobic bioreactor was 1.6-1.8 g l )1 d )1 for 2-ABS and a somewhat lower value for 4-ABS at hydraulic retention times (HRT) of 2.8-3.3 h. Evidence for extensive mineralization of 2-and 4-ABS was based on oxygen uptake and carbon dioxide production during the batch experiments and the high levels of chemical oxygen demand (COD) removal in the bioreactor. Furthermore, mineralization of the sulfonate group was demonstrated by high recovery of sulfate. The sulfonated aromatic amines did not show any toxic effects on the aerobic and anaerobic bacterial populations tested. The poor biodegradability of sulfonated aromatic amines indicated under the laboratory conditions of this study suggests that these compounds may not be adequately removed during biological wastewater treatment.

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Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Fate and biodegradability of sulfonated aromatic amines

et al. 2005

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“…Various studies have indicated that the removal of sulfonamides by adapted microorganisms or microbial communities during sewage treatment is incomplete (Richter et al 2007(Richter et al , 2008aJesús García-Galán et al 2008;Li and Zhang 2010). In addition to aerobic biodegradation, anaerobic biodegradation of para-toluenesulfonamide and benzenesulfonamide has been observed in natural aquifer slurries (Kuhn and Suflita 1989). In recent years, one specific strain, Staphylococcus epidermidis, has been studied for its better activity against tetracycline, ampicillin and sulfathiazole Choung 2007 and.…”

Section: Introductionmentioning

confidence: 99%

Isolation and characterization of Pseudomonas sp. DX7 capable of degrading sulfadoxine

Zhang

Niu

et al. 2011

Biodegradation

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Given that the intensive application of sulfonamides in aquaculture, animal husbandry and malaria treatment has lead to an increase in sulfonamide discharge into the environment, there is an increasing need to find a way to remediate sulfonamide-contaminated sites. The bacterial strain DX7 was isolated from a marine environment and is capable of degrading sulfadoxine. DX7 was identified as a Pseudomonas sp.based on 16S rRNA gene sequencing. Approximately 30% of sulfadoxine was degraded after Pseudomonas sp. DX7 was inoculated into mineral salt plus tryptone media containing 10 mg l -1 sulfadoxine for 2 days. The degradation efficiency under different environmental conditions was characterized using HPLC. The optimal temperature and pH for sulfadoxine biodegradation were around 30°C and 6.0, respectively. The optimal concentrations of sulfadoxine and tryptone for sulfadoxine biodegradation were determined to be approximately 30 mg l -1 and between 2.0 and 8.0 g l -1, respectively. Cytotoxicity analysis indicated that the metabolites of sulfadoxine generated by Pseudomonas sp. DX7 showed significantly reduced cytotoxicity to Hela cells. These results suggest that Pseudomonas sp. DX7 is a new bacterial resource for degrading sulfadoxine and indicate the potential of the isolated strain in the bioremediation of sulfadoxinecontaminated environments.

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“…Sulfonamides appeares to resist natural biodegradation rather strongly, which is reflected in the high frequency of their detection in streams and rivers (Kim et al 2007;Vieno et al 2007;Barnes et al 2008;Focazio et al 2008). Kuhn and Suflita (1989) reported the anaerobic biodegradation of para-toluenesulfonamide and benzenesulfonamide in aquifer slurries from a sulphate-reducing and methanogenic site. Richter et al (2007Richter et al ( , 2008a determined that considerable removal of para-toluenesulfonamide (*90% reduction) during wastewater and drinking water treatment was performed by adapted microorganisms that were only present in polluted groundwater.…”

Section: Introductionmentioning

confidence: 99%

Isolation and characterization of sulfonamide-degrading bacteria Escherichia sp. HS21 and Acinetobacter sp. HS51

Zhang

Wen

Niu

et al. 2011

World J Microbiol Biotechnol

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With the intensive application of sulfonamides in aquaculture and animal husbandry and the increase of sulfonamides discharged into the environments, there is an increasing need to find a way to remediate sulfonamidecontaminated environments. Two bacterial strains capable of degrading sulfonamides, HS21 and HS51, were isolated from marine environments. HS21 and HS51 were identified as members of Escherichia sp. and Acinetobacter sp., respectively, based on 16S rRNA gene sequencing. Degradation of each sulfonamide by Escherichia sp. HS21 and Acinetobacter sp. HS51 was characterized using capillary electrophoresis. About 66 or 72% of sulfapyridine and 45 or 67% of sulfathiazole contained in the media was degraded by Escherichia sp. HS21 or Acinetobacter sp. HS51, respectively, after incubation for 2 days. The supernatant from culture of Escherichia sp. HS21 or Acinetobacter sp. HS51 grown in sulfapyridine or sulfathiazole contained media had much attenuated cytotoxicity against HeLa cells. These results suggest that Escherichia sp. HS21 and Acinetobacter sp. HS51 are new bacterial resources for biodegrading sulfonamides and indicate the potential of isolated strains for the bioremediation of sulfonamide-polluted environments.

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Anaerobic Biodegradation of Nitrogen-Substituted and Sulfonated Benzene Aquifer Contaminants

Cited by 42 publications

References 35 publications

Fate and biodegradability of sulfonated aromatic amines

Fate and biodegradability of sulfonated aromatic amines

Isolation and characterization of Pseudomonas sp. DX7 capable of degrading sulfadoxine

Isolation and characterization of sulfonamide-degrading bacteria Escherichia sp. HS21 and Acinetobacter sp. HS51

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