Low temperature decreases the phylogenetic diversity of ammonia-oxidizing archaea and bacteria in aquarium biofiltration systems

Hidetoshi Urakawa, Yoshiyuki Tajima, Yoshiyuki Numata, Satoshi Tsuneda

Research output: Contribution to journalArticle

112 Citations (Scopus)

Abstract

The phylogenetic diversity and species richness of ammonia-oxidizing archaea (AOA) and bacteria (AOB) were examined with aquarium biofiltration systems. Species richness, deduced from rarefaction analysis, and diversity indices indicated that the phylogenetic diversity and species richness of AOA are greater than those of AOB; the diversity of AOA and of AOB is minimized in cold-water aquaria. This finding implies that temperature is a key factor influencing the population structure and diversity of AOA and AOB in aquarium biofiltration systems.

Original languageEnglish
Pages (from-to)894-900
Number of pages7
JournalApplied and Environmental Microbiology
Volume74
Issue number3
DOIs
Publication statusPublished - 2008 Feb

ASJC Scopus subject areas

  • Biotechnology
  • Food Science
  • Applied Microbiology and Biotechnology
  • Ecology

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