Occurrence of ammonia-oxidizing archaea in wastewater treatment plant bioreactors

Hee-Deung Park, George F. Wells, Hyokwan Bae, Craig S. Griddle, Christopher A. Francis

Research output: Contribution to journalArticle

286 Citations (Scopus)

Abstract

We report molecular evidence that ammonia-oxidizing archaea (AOA) occur in activated sludge bioreactors used to remove ammonia from wastewater. Using PCR primers targeting archaeal ammonia monooxygenase subunit A (amoA) genes, we retrieved and compared 75 sequences from five wastewater treatment plants operating with low dissolved oxygen levels and long retention times. All of these sequences showed similarity to sequences previously found in soil and sediments, and they were distributed primarily in four major phylogenetic clusters. One of these clusters contained virtually identical amoA sequences obtained from all five activated sludge samples (from Oregon, Wisconsin, Pennsylvania, and New Jersey) and accounted for 67% of all the sequences, suggesting that this AOA phylotype may be widespread in nitrifying bioreactors.

Original languageEnglish
Pages (from-to)5643-5647
Number of pages5
JournalApplied and Environmental Microbiology
Volume72
Issue number8
DOIs
Publication statusPublished - 2006 Aug 1
Externally publishedYes

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Archaea
Bioreactors
bioreactors
Waste Water
wastewater treatment
Ammonia
bioreactor
ammonia
activated sludge
Sewage
vif Genes
dissolved oxygen
wastewater
Soil
Oxygen
Polymerase Chain Reaction
sediments
phylogeny
targeting
wastewater treatment plant

ASJC Scopus subject areas

  • Environmental Science(all)
  • Biotechnology
  • Microbiology

Cite this

Occurrence of ammonia-oxidizing archaea in wastewater treatment plant bioreactors. / Park, Hee-Deung; Wells, George F.; Bae, Hyokwan; Griddle, Craig S.; Francis, Christopher A.

In: Applied and Environmental Microbiology, Vol. 72, No. 8, 01.08.2006, p. 5643-5647.

Research output: Contribution to journalArticle

Park, Hee-Deung ; Wells, George F. ; Bae, Hyokwan ; Griddle, Craig S. ; Francis, Christopher A. / Occurrence of ammonia-oxidizing archaea in wastewater treatment plant bioreactors. In: Applied and Environmental Microbiology. 2006 ; Vol. 72, No. 8. pp. 5643-5647.
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