amoA-encoding archaea in wastewater treatment plants: a review

Recent evidence from natural environments suggests that in addition to ammonia-oxidizing bacteria, ammonia-oxidizing archaea (AOA) affiliated with Thaumarcheota, a new phylum of the domain Archaea, also oxidize ammonia to nitrite and thus participate in the global nitrogen cycle. Besides natural env...

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Bibliographic Details
Published in:Applied microbiology and biotechnology 2013-02, Vol.97 (4), p.1425-1439
Main Authors: Limpiyakorn, Tawan, Fürhacker, Maria, Haberl, Raimund, Chodanon, Thanasita, Srithep, Papitchaya, Sonthiphand, Puntipar
Format: Article
Language:English
Subjects:
Ammonia
Ammonia - metabolism
Archaea
Archaea - classification
Archaea - enzymology
Archaea - genetics
Archaea - isolation & purification
Archaeabacteria
Archaeal Proteins - genetics
Archaeal Proteins - metabolism
Bacteria
Biomedical and Life Sciences
Biotechnology
Culture
Engineering
Genes
Identification and classification
Life Sciences
Management
Microbial Genetics and Genomics
Microbiology
Microorganisms
Mini-Review
National parks
Natural environment
Nitrogen
Nitrogen cycle
Nitrogen-fixing microorganisms
Oxidation
Oxidation-Reduction
Oxidoreductases - genetics
Oxidoreductases - metabolism
Phylogeny
Plant introductions
Plants (organisms)
Studies
Sulfur
Waste water
Waste Water - chemistry
Waste Water - microbiology
Wastewater treatment
Wastewater treatment plants
Water Purification - instrumentation
Water treatment
Water treatment plants
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Summary:Recent evidence from natural environments suggests that in addition to ammonia-oxidizing bacteria, ammonia-oxidizing archaea (AOA) affiliated with Thaumarcheota, a new phylum of the domain Archaea, also oxidize ammonia to nitrite and thus participate in the global nitrogen cycle. Besides natural environments, modern data indicate the presence of amoA -encoding archaea (AEA) in wastewater treatment plants (WWTPs). To further elucidate whether AEA in WWTPs are AOA and to clarify the role of AEA in WWTPs, this paper reviews the current knowledge on this matter for wastewater engineers and people in related fields. The initial section coveys a microbiological point of view and is particularly based upon data from AOA cultures. The later section summarizes what is currently known about AEA in relation to WWTPs. Based on the reviewed data, future research pathways are proposed in an effort to further what is known about AEA in wastewater treatment systems.
ISSN:0175-7598
1432-0614
DOI:10.1007/s00253-012-4650-7