Isolation and description of a stable carbazole-degrading microbial consortium consisting of Chryseobacterium sp NCY and Achromobacter sp. NCW

被引：24

作者：

Guo, Weiqiang ^{[1
,2
]}

Li, Daping ^{[1
]}

Tao, Yong ^{[1
]}

Gao, Ping ^{[2
]}

Hu, Jijun ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China

[2] Sichuan Univ, Coll Life Sci, Chengdu 610064, Peoples R China

来源：

CURRENT MICROBIOLOGY | 2008年 / 57卷 / 03期

关键词：

D O I：

10.1007/s00284-008-9185-x

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

A stable microbial consortium, separated from a refinery wastewater sample, was able to utilize carbazole as the sole source of carbon, nitrogen, and energy, and liberated ammonia from excess nitrogen. Two bacterial strains (NCY and NCW) were isolated from the microbial consortium using a nutrient agar plate. Based on the 16S rDNA sequence analysis, the two bacteria were identified as Chryseobacterium sp. NCY and Achromobacter sp. NCW, respectively. No intermediates of carbazole degradation were detected by high-performance liquid chromatography. The substrate specificity assay showed that the consortium could utilize compounds similar to carbazole, such as phenanthrene, naphthalene, and imidazole. Neither the pure strain NCY nor NCW could degrade carbazole after domestication for several times. It was suggested that the two bacteria formed a microbial consortium capable of metabolizing carbazole.

引用

页码：251 / 257

页数：7

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