Bacterial and protist community changes during a phytoplankton bloom
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Type
ArticleKAUST Department
Biological and Environmental Sciences and Engineering (BESE) DivisionMarine Science Program
Red Sea Research Center (RSRC)
Water Desalination and Reuse Research Center (WDRC)
Date
2015-10-15Online Publication Date
2015-10-15Print Publication Date
2016-01Permanent link to this record
http://hdl.handle.net/10754/579842
Metadata
Show full item recordAbstract
The present study aims to characterize the change in the composition and structure of the bacterial and microzooplankton planktonic communities in relation to the phytoplankton community composition during a bloom. High-throughput amplicon sequencing of regions of the 16S and 18S rRNA gene was undertaken on samples collected during a 20 day (d) mesocosm experiment incorporating two different nutrient addition treatments [Nitrate and Phosphate (NPc) and Nitrate, Phosphate and Silicate (NPSc)] as well as a control. This approach allowed us to discriminate the changes in species composition across a broad range of phylogenetic groups using a common taxonomic level. Diatoms dominated the bloom in the NPSc treatment while dinoflagellates were the dominant phytoplankton in the control and NPc treatment. Network correlations highlighted significant interactions between OTUs within each treatment including changes in the composition of Paraphysomonas OTUs when the dominant Chaetoceros OTU switched. The microzooplankton community composition responded to changes in the phytoplankton composition while the prokaryotic community responded more to changes in ammonia concentration.Citation
Bacterial and protist community changes during a phytoplankton bloom 2015:n/a Limnology and OceanographyPublisher
WileyJournal
Limnology and OceanographyAdditional Links
http://doi.wiley.com/10.1002/lno.10212ae974a485f413a2113503eed53cd6c53
10.1002/lno.10212