Journal
APPLIED AND ENVIRONMENTAL MICROBIOLOGY
Volume 75, Issue 11, Pages 3826-3833Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/AEM.02542-08
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Funding
- New Energy and Industrial Technology Development Organization (NEDO) of Japan
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A hollow-fiber membrane chamber (HFMC) was developed as an in situ cultivation device for environmental microorganisms. The HFMC system consists of 48 to 96 pieces of porous hollow-fiber membrane connected with injectors. The system allows rapid exchange of chemical compounds, thereby simulating a natural environment. Comparative analysis through the cultivation of three types of environmental samples was performed using this newly designed device and a conventional agar-based petri dish. The results show that the ratios of novel phylotypes in isolates, species-level diversities, and cultivabilities in HFMC-based cultivation are higher than those in an agar-based petri dish for all three samples, suggesting that the new in situ cultivation device is effective for cultivation of various environmental microorganisms.
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