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About

Biographies

Shunichi Ishii, Ph.D.
Staff Scientist

Research Interests and Accomplishments

Dr. Shunichi Ishii is a Staff Scientist in the Microbial and Environmental Genomics Group at JCVI. His research efforts focus on microbial physiology, ecology, and comparative and functional genomics in complex microbial ecosystems. Other areas of interest include biochemical engineering, microbial syntrophic relationships, and metagenomic analyses of functionally defined microbial ecosystems. His specific area of interest now is based on understanding "electron transfer mechanism" within electricity-generating mixed microbial communities. Dr. Ishii employs various genomic, physiological, and electrochemical approaches to address the adaptation and evolution of functional (electricity-generating) microbial ecosystems.  These approaches include studying microbial population dynamics, performing metagenomic and metatranscriptomic analyses, isolating functionally defined microbial species, and measuring electrochemical signals associated with electricity generation in microbial communities. The goal of his research is to comprehensively describe microbial ecosystems and ultimately control microbial diversity and community function in a variety of microbial catalyzed applications.

Prior to joining JCVI, Dr. Ishii was a postdoctoral fellow at the National Institute of Advanced Industrial Science and Technology (AIST) in Tsukuba, Japan where he worked in the lab of Yuji Sekiguchi on improving electricity generation in microbial fuel cells.  He also worked in the lab of Kazuya Watanabe at the Marine Biotechnology Institute in Iwate, Japan where he studied flagellum mediated symbiosis during syntrophic methanogenesis, and characterized microbial community diversity in cellulose-fed microbial fuel cells. He received his PhD in Bioprocess Engineering from the Tokyo Institute of Technology under the direction of Hajime Unno where he studied the bacterial adhesion mechanisms.  Dr. Ishii earned his bachelor's degree in Biotechnology from Tokyo Institute of Technology.

Select Publications

Shimoyama, T., Kato, S., et al.
Flagellum Mediates Symbiosis

Science. 2009 Mar 20; 323(5921): 1574.[more]

Ishii, S., Watanabe, K., et al.
Comparison of Electrode Reduction Activities of Geobacter sulfurreducens and an Enriched Consortium In an Air-cathode Microbial Fuel Cell

Appl Environ Microbiol. 2008 Dec 01; 74(23): 7348-55.[more]

Ishii, S., Shimoyama, T., et al.
Characterization of a Filamentous Biofilm Community Established In a Cellulose-fed Microbial Fuel Cell

BMC Microbiol. 2008 Mar 01; 8: 6.[more]

Ishii, S., Hotta, Y., et al.
Methanogenesis Versus Electrogenesis: Morphological and Phylogenetic Comparisons of Microbial Communities

Biosci Biotechnol Biochem. 2008 Feb 01; 72(2): 286-94.[more]

Ishii, S., Unno, H., et al.
Effect of Cell Appendages on the Adhesion Properties of a Highly Adhesive Bacterium, Acinetobacter Sp. Tol 5

Biosci Biotechnol Biochem. 2006 Nov 01; 70(11): 2635-40.[more]

Gorby, Y. A., Yanina, S., et al.
Electrically Conductive Bacterial Nanowires Produced by Shewanella oneidensis Strain MR-1 and Other Microorganisms

Proc Natl Acad Sci U S A. 2006 Jul 25; 103(30): 11358-63.[more]

Ishii, S., Kosaka, T., et al.
Simulating the Contribution of Coaggregation to Interspecies Hydrogen Fluxes In Syntrophic methanogenic Consortia

Appl Environ Microbiol. 2006 Jul 01; 72(7): 5093-6.[more]

Ishii, S., Kosaka, T., et al.
Coaggregation Facilitates Interspecies Hydrogen Transfer Between Pelotomaculum thermopropionicum and Methanothermobacter Thermautotrophicus

Appl Environ Microbiol. 2005 Dec 01; 71(12): 7838-45.[more]

Ishii, S., Koki, J., et al.
Two Morphological Types of Cell Appendages on a Strongly Adhesive Bacterium, Acinetobacter Sp. Strain Tol 5

Appl Environ Microbiol. 2004 Aug 01; 70(8): 5026-9.[more]