Bacterial population dynamics in a laboratory activated sludge reactor monitored by pyrosequencing of 16S rRNA

Hiroyasu Satoh, Kenshiro Oshima, Wataru Suda, Purnika Ranasinghe, Ning Li, Egodaha Gedara Wasana Gunawardana, Masahira Hattori, Takashi Mino

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The microbial population in a laboratory activated sludge reactor was monitored for 245 d at 75 time points by pyrosequencing of 16S rRNA. Synthetic wastewater was used as the influent, and the reactor was operated under the same conditions throughout the experiment. The behaviors of different bacterial operational taxonomic units (OTUs) were observed. Multiple OTUs showed periodic propagation and recession. One of the OTUs showed sharp recession, which suggests that cells in the OTU were selectively killed. The behaviors of different phylogenetic lineages of Candidatus 'Accumulibacter phosphatis' were also visualized. It was clearly demonstrated that pyrosequencing with barcoded primers is a very effective tool to clarify the dynamics of the bacterial population in activated sludge.

Original languageEnglish
Pages (from-to)65-70
Number of pages6
JournalMicrobes and Environments
Volume28
Issue number1
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

activated sludge
population dynamics
ribosomal RNA
wastewater
phylogenetics
phylogeny
experiment
cells
reactor
laboratory

Keywords

  • 16S ribosomal RNA
  • Activated sludge
  • Bacteriophage
  • Pyrosequencing
  • T-RFLP

ASJC Scopus subject areas

  • Plant Science
  • Soil Science
  • Ecology, Evolution, Behavior and Systematics

Cite this

Satoh, H., Oshima, K., Suda, W., Ranasinghe, P., Li, N., Gunawardana, E. G. W., ... Mino, T. (2013). Bacterial population dynamics in a laboratory activated sludge reactor monitored by pyrosequencing of 16S rRNA. Microbes and Environments, 28(1), 65-70. https://doi.org/10.1264/jsme2.ME12115

Bacterial population dynamics in a laboratory activated sludge reactor monitored by pyrosequencing of 16S rRNA. / Satoh, Hiroyasu; Oshima, Kenshiro; Suda, Wataru; Ranasinghe, Purnika; Li, Ning; Gunawardana, Egodaha Gedara Wasana; Hattori, Masahira; Mino, Takashi.

In: Microbes and Environments, Vol. 28, No. 1, 2013, p. 65-70.

Research output: Contribution to journalArticle

Satoh, H, Oshima, K, Suda, W, Ranasinghe, P, Li, N, Gunawardana, EGW, Hattori, M & Mino, T 2013, 'Bacterial population dynamics in a laboratory activated sludge reactor monitored by pyrosequencing of 16S rRNA', Microbes and Environments, vol. 28, no. 1, pp. 65-70. https://doi.org/10.1264/jsme2.ME12115
Satoh, Hiroyasu ; Oshima, Kenshiro ; Suda, Wataru ; Ranasinghe, Purnika ; Li, Ning ; Gunawardana, Egodaha Gedara Wasana ; Hattori, Masahira ; Mino, Takashi. / Bacterial population dynamics in a laboratory activated sludge reactor monitored by pyrosequencing of 16S rRNA. In: Microbes and Environments. 2013 ; Vol. 28, No. 1. pp. 65-70.
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