Aerobic nonylphenol degradation and nitro-nonylphenol formation by microbial cultures from sediments

被引：49

作者：

De Weert, Jasperien ^{[1
,2
]}

Vinas, Marc ^{[3
]}

Grotenhuis, Tim ^{[2
]}

Rijnaarts, Huub ^{[1
,2
]}

Langenhoff, Alette ^{[1
]}

机构：

[1] Deltares, NL-3584 CB Utrecht, Netherlands

[2] Wageningen Univ, Sect Environm Technol, NL-6703 HD Wageningen, Netherlands

[3] GIRO Technol Ctr, E-08100 Barcelona, Spain

来源：

APPLIED MICROBIOLOGY AND BIOTECHNOLOGY | 2010年 / 86卷 / 02期

关键词：

Nonylphenol; Nitro-nonylphenol; Aerobic degradation; Nitrosomonas; SPHINGOMONAS-XENOPHAGA BAYRAM; SP STRAIN TTNP3; RIVER SEDIMENT; NITROSOMONAS-EUROPAEA; IPSO-SUBSTITUTION; P-NONYLPHENOL; SEWAGE-SLUDGE; BISPHENOL-A; 4-NONYLPHENOL; BIODEGRADATION;

D O I：

10.1007/s00253-009-2394-9

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Nonylphenol (NP) is an estrogenic pollutant which is widely present in the aquatic environment. Biodegradation of NP can reduce the toxicological risk. In this study, aerobic biodegradation of NP in river sediment was investigated. The sediment used for the microcosm experiments was aged polluted with NP. The biodegradation of NP in the sediment occurred within 8 days with a lag phase of 2 days at 30A degrees C. During the biodegradation, nitro-nonylphenol metabolites were formed, which were further degraded to unknown compounds. The attached nitro-group originated from the ammonium in the medium. Five subsequent transfers were performed from original sediment and yielded a final stable population. In this NP-degrading culture, the microorganisms possibly involved in the biotransformation of NP to nitro-nonylphenol were related to ammonium-oxidizing bacteria. Besides the degradation of NP via nitro-nonylphenol, bacteria related to phenol-degrading species, which degrade phenol via ring cleavage, are abundantly present.

引用

页码：761 / 771

页数：11

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