NDLI: Electricity generation coupled to oxidation of propionate in a microbial fuel cell

Content Provider	Springer Nature Link
Author	Jang, Jae Kyung Chang, In Seop Hwang, Hwa Yeon Choo, Yeng Fung Lee, JiYoung Cho, Kyung Suk Kim, Byung Hong Nealson, Kenneth H.
Copyright Year	2009
Abstract	Propionate was used as fuel to enrich an electrochemically-active microbial consortium in a microbial fuel cell, and the bacterial consortium was analyzed by culture-independent methods including denaturing gradient gel electrophoresis (DGGE) of the 16S rDNA, and by fluorescent in situ hybridization (FISH). MFCs fed with propionate produced a current of 4.88 ± 0.1 mA stably on 100 mg propionate/l as COD within 3 weeks of the enrichment. When the MFCs were fed with H2-saturated fuel containing propionate, the current dropped to 3.82 ± 0.07 mA. The maximum current generated was up to 8.8 mA when MFCs were fed with 200 mg propionate/l as COD. The DGGE of 16S rDNA showed that propionate-enriched MFCs have a different bacterial population from that enriched with acetate and from the inoculum used for enrichment. The major member (42%) of the consortium was an unidentified bacterium followed by γ, β, and δ-proteobacteria.
Starting Page	79
Ending Page	85
Page Count	7
File Format	PDF
ISSN	01415492
Journal	Biotechnology Letters
Volume Number	32
Issue Number	1
e-ISSN	15736776
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-09-03
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bacterial community Electricity generation Microbial fuel cell (MFC) Propionate 16S rDNA Biochemistry Applied Microbiology Biotechnology Microbiology
Content Type	Text
Resource Type	Article
Subject	Medicine Bioengineering Applied Microbiology and Biotechnology Biotechnology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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