Analysis of microbial community structures in thermophilic hydrogen fermentation of starch

Yohei Akutsu, Yu You Li, Kengo Kubota, Hideki Harada

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Microbial community structures in thermophilic hydrogen fermentation (55°C) were analyzed by molecular methods, including polymerase chain reaction-denatured gel gradient electrophoresis (PCR-DGGE), real-time PCR, and cloning methods. Samples used for analyses were obtained from five identical completely stirred tank reactors (CSTRs) of thermophilic hydrogen fermentation from starch, which were seeded with five different types of inoculum. The closest relatives of the genus Thermoanaerobacterium, which is known to be a typical hydrogen producer, predominated in all reactors. However, microbial community structures abundant in each reactor were different, indicating that the type of inoculum is one of the important factors for thermophilic hydrogen fermentation.

Original languageEnglish
Pages (from-to)157-163
Number of pages7
JournalSeibutsu-kogaku Kaishi
Volume86
Issue number4
Publication statusPublished - 2008 Jun 3

Keywords

  • Inocula
  • Microbial community structure
  • Thermoanaerobacterium
  • Thermophilic hydrogen fermentation

ASJC Scopus subject areas

  • Biotechnology
  • Food Science
  • Applied Microbiology and Biotechnology

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