Biofilm microbial community of a thermophilic trickling biofilter used for continuous biohydrogen production

Ahn, Yeonghee, Park, Eun-Jung, Oh, You-Kwan, Park, Sunghoon, Webster, Gordon ORCID: https://orcid.org/0000-0002-9530-7835 and Weightman, Andrew John ORCID: https://orcid.org/0000-0002-6671-2209 2005. Biofilm microbial community of a thermophilic trickling biofilter used for continuous biohydrogen production. FEMS Microbiology Letters 249 (1) , pp. 31-38. 10.1016/j.femsle.2005.05.050

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Abstract

Molecular methods were employed to investigate the microbial community of a biofilm obtained from a thermophilic trickling biofilter reactor (TBR) that was operated long-term to produce H2. Biomass concentration in the TBR gradually decreased as reactor bed height increased. Despite this difference in biomass concentration, samples from the bottom and middle of the TBR bed revealed similar microbial populations as determined by PCR-DGGE analysis of 16S rRNA genes. Nucleotide sequences of most DGGE bands were affiliated with the classes Clostridia and Bacilli in the phylum Firmicutes, and the most dominant bands showed a high sequence similarity to Thermoanaerobacterium thermosaccharolyticum.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Publisher:	Wiley-Blackwell
ISSN:	0378-1097
Last Modified:	15 Nov 2024 22:29
URI:	https://orca.cardiff.ac.uk/id/eprint/62965

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