Microbial ecology of nitrifying bacteria in wastewater treatment process examined by fluorescence in situ hybridization

Yoshiteru Aoi, Tomoko Miyoshi, Toshiyuki Okamoto, Satoshi Tsuneda, Akira Hirata, Atsushi Kitayama, Teruyuki Nagamune

研究成果: Article査読

53 被引用数 (Scopus)

抄録

The microbial ecology of nitrifying bacteria in various types of wastewater treatment processes and the dynamic response of the microbial ecology in biofilms were investigated using fluorescence in situ hybridization (FISH) with 16S rRNA-targeted oligonucleotide probes. Nitrifying bacteria were found to exhibit various organizational forms under different conditions of substrate composition and concentration. Ammonia-oxidizing bacteria were dominant in ammonia-rich inorganic wastewater, while heterotrophic bacteria and ammonia-oxidizing bacteria were localized at different positions in the biofilm in organic wastewater. The dynamics of the microbial ecology in the biofilm with regard to the spatial distribution of ammonia-oxidizing bacteria and heterotrophic bacteria caused by a gradual change in substrate composition was successfully monitored by FISH analysis.

本文言語English
ページ(範囲)234-240
ページ数7
ジャーナルJournal of Bioscience and Bioengineering
90
3
DOI
出版ステータスPublished - 2000 1 1

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

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