Effectiveness of heat treatment to protect introduced denitrifying bacteria from eukaryotic predatory microorganisms in a pilot-scale bioreactor

Wakako Ikeda-Ohtsubo, Morio Miyahara, Takeshi Yamada, Akira Watanabe, Shinya Fushinobu, Takayoshi Wakagi, Hirofumi Shoun, Keisuke Miyauchi, Ginro Endo

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)

    Abstract

    Bioaugmentation of bioreactor systems with pre-cultured bacteria has proven difficult because inoculated bacteria are easily eliminated by predatory eukaryotic-microorganisms. Here, we demonstrated an intermediate thermal treatment was effective for protecting introduced denitrifying bacteria from eukaryotic predators and consequently allowed the inoculated bacteria to survive longer in a denitrification reactor.

    Original languageEnglish
    Pages (from-to)722-724
    Number of pages3
    JournalJournal of Bioscience and Bioengineering
    Volume116
    Issue number6
    DOIs
    Publication statusPublished - 2013 Dec

    Keywords

    • 18S rRNA genes
    • Bioaugmentation
    • Denitrifying bacteria
    • Heat treatment
    • Predatory protists

    ASJC Scopus subject areas

    • Biotechnology
    • Bioengineering
    • Applied Microbiology and Biotechnology

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