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Research article2012Peer reviewedOpen access

Emergent Macrophytes Act Selectively on Ammonia-Oxidizing Bacteria and Archaea

Trias, Rosalia; Ruiz-Rueda, Olaya; Garcia-Lledó, Arantzazu; Vilar-Sanz, Ariadna; López-Flores, Rocío; Quintana, Xavier D.; Hallin, Sara Gates; Baneras, Lluís

Abstract

Ammonia-oxidizing bacteria (AOB) and archaea (AOA) were quantified in the sediments and roots of dominant macrophytes in eight neutral to alkaline coastal wetlands. The AOA dominated in most samples, but the bacterial-to-archaeal amoA gene ratios increased with increasing ammonium levels and pH in the sediments. For all plant species, the ratios increased on the root surface relative to the adjacent bulk sediment. This suggests that root surfaces in these environments provide conditions favoring enrichment of AOB.

Published in

Applied and Environmental Microbiology
2012, Volume: 78, number: 17, pages: 6352-6356
Publisher: AMER SOC MICROBIOLOGY

    UKÄ Subject classification

    Water Treatment
    Microbiology
    Environmental Sciences

    Publication identifier

    DOI: https://doi.org/10.1128/AEM.00919-12

    Permanent link to this page (URI)

    https://res.slu.se/id/publ/41496