Microbes and Environments
Online ISSN : 1347-4405
Print ISSN : 1342-6311
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  • Kshitij Tandon, Shan-Hua Yang, Min-Tao Wan, Chia-Chin Yang, Bayanmunkh ...
    Article ID: ME17148
    [Advance publication] Released: April 21, 2018
    JOURNALS FREE ACCESS ADVANCE PUBLICATION

    Very few studies have attempted to profile the microbial communities in the air above freshwater bodies, such as lakes, even though freshwater sources are an important part of aquatic ecosystems and airborne bacteria are the most dispersible microorganisms on earth. In the present study, we investigated microbial communities in the waters of two high mountain sub-alpine montane lakes—located 21 km apart and with disparate trophic characteristics—and the air above them. Although bacteria in the lakes had locational differences, their community compositions remained constant over time. However, airborne bacterial communities were diverse and displayed spatial and temporal variance. Proteobacteria, Actinobacteria, Bacteroidetes, and Cyanobacteria were dominant in both lakes, with different relative abundances between lakes, and Parcubacteria (OD1) was dominant in air samples for all sampling times, except two. We also identified certain shared taxa between lake water and the air above it. The results obtained on these communities in the present study provide putative candidates to study how airborne communities shape lake water bacterial compositions and vice versa.

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