Please use this identifier to cite or link to this item: http://repository.vnu.edu.vn/handle/123456789/6145
Title: An active PAH-degrading microbial consortium developed from dioxin-contaminated sediments via enrichment technique
Authors: Nguyen Thi Hanh, Nguyen Hong Minh
Duong Van Hop, Dinh Thuy Hang
Keywords: Enrichment culture;PAH degradation;DGGE;16S rDNA;Achromobacter;Alcaligenes
Issue Date: 2009-04-24
Publisher: Đại Học Quốc Gia Hà nội
Series/Report no.: VNU Journal of science, Natural sciences and Technology;25 (2009) 158-164
Abstract: Via enrichment procedures carried out on a dioxin contaminated sediment sample from lotus pond at Danang airport, a microbial community assigned as DN553 with high capability of carbazol degradation was established. Analyses of community structure by using denaturing gradient gel electrophoresis (DGGE) of 16S rDNA fragments indicated that Achromobacter and Alcaligenes species dominated in this enrichment culture. In addition to carbazol, the enrichment culture was also able to utilize other PAH compounds such as naphthalene and phenanthrene as the only carbon and energy sources. In the presence of different PAH as growth substrates, the community structure changed accordingly, however the Achromobacter and Acaligenes groups still remained. Thus, the enrichment cultures DN553 could be a potential microbial source for the treatments of PAH contamination
URI: http://repository.vnu.edu.vn/handle/123456789/6145
Appears in Collections:IMBT - Bài đăng tạp chí / Tham luận HN-HT

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