News Column

Studies from RIKEN in the Area of Bioscience and Bioengineering Reported

June 18, 2014

By a News Reporter-Staff News Editor at Biotech Week -- Research findings on Bioengineering are discussed in a new report. According to news reporting from Kanagawa, Japan, by NewsRx journalists, research stated, "Microbial ecosystems are typified by diverse microbial interactions and competition. Consequently, the microbial networks and metabolic dynamics of bioprocesses catalyzed by these ecosystems are highly complex, and their visualization is regarded as essential to bioengineering technology and innovation."

The news correspondents obtained a quote from the research from RIKEN, "Here we describe a means of visualizing the variants in a microbial community and their metabolic profiles. The approach enables previously unidentified bacterial functions in the ecosystems to be elucidated. We investigated the anaerobic bioremediation of chlorinated ethene in a soil column experiment as a case study. Microbial community and dechlorination profiles in the ecosystem were evaluated by denaturing gradient gel electrophoresis (DGGE) fingerprinting and gas chromatography, respectively. Dechlorination profiles were obtained from changes in dechlorination by microbial community (evaluated by data mining methods). Individual microbes were then associated with their dechlorination profiles by heterogenous correlation analysis. Our correlation-based visualization approach enables deduction of the roles and functions of bacteria in the dechlorination of chlorinated ethenes."

According to the news reporters, the research concluded: "Because it estimates functions and relationships between unidentified microbes and metabolites in microbial ecosystems, this approach is proposed as a control-logic tool by which to understand complex microbial processes."

For more information on this research see: Visualizing microbial dechlorination processes in underground ecosystem by statistical correlation and network analysis approach. Journal of Bioscience and Bioengineering, 2014;117(3):305-309. Journal of Bioscience and Bioengineering can be contacted at: Soc Bioscience Bioengineering Japan, Osaka Univ, Faculty Engineering, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan. (Elsevier -; Journal of Bioscience and Bioengineering -

Our news journalists report that additional information may be obtained by contacting A. Yamazawa, RIKEN Res Cluster Innovat, Biomass Engn Program, Tsurumi Ku, Yokohama, Kanagawa 2300045, Japan. Additional authors for this research include Y. Date, K. Ito and J. Kikuchi (see also Bioengineering).

Keywords for this news article include: Asia, Japan, Kanagawa, Bioengineering

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Source: Biotech Week

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