NDLI: Enrichment of anammox bacteria from marine environment for the construction of a bioremediation reactor

Content Provider	Springer Nature Link
Author	Nakajima, Jun Sakka, Makiko Kimura, Tetsuya Furukawa, Kenji Sakka, Kazuo
Copyright Year	2007
Abstract	In the global ocean nitrogen cycle, the anaerobic ammonium-oxidizing (anammox) process is recognized as important. In this study, we established an enrichment culture of marine anammox bacteria (MAB) in a column-type reactor. The reactor, which included a porous polyester non-woven fabric that had been placed at the sea floor in advance for enrichment, was continuously fed with NH4Cl and NaNO2 for more than 1 year. Anammox activity in the MAB reactor was confirmed by 15N tracer analysis using 15NH4Cl and Na14NO2. We identified two 16S rRNA genes in the amplified DNA fragments derived from MAB, which were highly homologous with those from Candidatus “Scalindua wagneri” and an uncultured planctomycete clone. Fluorescence in situ hybridization analysis using an anammox-specific probe also confirmed that MAB predominated in the reactor. To our knowledge, this is the first report on the establishment of an enrichment culture of anammox bacteria from the marine environment using a continuous culture system.
Starting Page	1159
Ending Page	1166
Page Count	8
File Format	PDF
ISSN	01757598
Journal	Applied Microbiology and Biotechnology
Volume Number	77
Issue Number	5
e-ISSN	14320614
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-10-27
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Anammox Denitrification Marine Candidatus “Scalindua wagneri” FISH Microbial Genetics and Genomics Microbiology Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Applied Microbiology and Biotechnology Biotechnology

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