Comparative analysis of ammonia monooxygenase (amoA) genes in the water column and sediment-water interface of two lakes and the Baltic Sea

FEMS Microbiology Ecology
Ok-Sun KimK P Witzel

Abstract

The functional gene amoA was used to compare the diversity of ammonia-oxidizing bacteria (AOB) in the water column and sediment-water interface of the two freshwater lakes Plusssee and Schöhsee and the Baltic Sea. Nested amplifications were used to increase the sensitivity of amoA detection, and to amplify a 789-bp fragment from which clone libraries were prepared. The larger part of the sequences was only distantly related to any of the cultured AOB and is considered to represent new clusters of AOB within the Nitrosomonas/Nitrosospira group. Almost all sequences from the water column of the Baltic Sea and from 1-m depth of Schöhsee were related to different Nitrosospira clusters 0 and 2, respectively. The majority of sequences from Plusssee and Schöhsee were associated with sequences from Chesapeake Bay, from a previous study of Plusssee and from rice roots in Nitrosospira-like cluster A, which lacks sequences from Baltic Sea. Two groups of sequences from Baltic Sea sediment were related to clonal sequences from other brackish/marine habitats in the purely environmental Nitrosospira-like cluster B and the Nitrosomonas-like cluster. This confirms previous results from 16S rRNA gene libraries that indicated the existence of hit...Continue Reading

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Citations

Mar 11, 2009·Applied Microbiology and Biotechnology·Pilar JunierKarl-Paul Witzel
Oct 16, 2009·Applied Microbiology and Biotechnology·Pilar JunierJohannes F Imhoff
Jan 18, 2011·Applied and Environmental Microbiology·Glenn D ChristmanDavid L Kirchman
Jan 2, 2016·Marine Environmental Research·Adrien VetterliElina Leskinen
Oct 1, 2009·Environmental Microbiology Reports·Hélène MoussardJ Colin Murrell
Jun 20, 2018·Environmental Microbiology·Elisabeth HappelLasse Riemann
Jul 27, 2014·Applied and Environmental Microbiology·Igor Y OshkinSvetlana N Dedysh
Aug 1, 2010·Environmental Microbiology Reports·Yucheng WuQinglong L Wu
Mar 21, 2019·PloS One·Stéphanie MasséRoxane Maranger

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