Data_Sheet_1_The Microbiome of Posidonia oceanica Seagrass Leaves Can Be Dominated by Planctomycetes.pdf (1.54 MB)

Data_Sheet_1_The Microbiome of Posidonia oceanica Seagrass Leaves Can Be Dominated by Planctomycetes.pdf

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posted on 10.07.2020 by Timo Kohn, Patrick Rast, Nicolai Kallscheuer, Sandra Wiegand, Christian Boedeker, Mike S. M. Jetten, Olga Jeske, John Vollmers, Anne-Kristin Kaster, Manfred Rohde, Mareike Jogler, Christian Jogler

Seagrass meadows are ubiquitous, fragile and endangered marine habitats, which serve as fish breeding grounds, stabilize ocean floor substrates, retain nutrients and serve as important carbon sinks, counteracting climate change. In the Mediterranean Sea, seagrass meadows are mostly formed by the slow-growing endemic plant Posidonia oceanica (Neptune grass), which is endangered by global warming and recreational motorboating. Despite its importance, surprisingly little is known about the leaf surface microbiome of P. oceanica. Using amplicon sequencing, we here show that species belonging to the phylum Planctomycetes can dominate the biofilms of young and aged P. oceanica leaves. Application of selective cultivation techniques allowed for the isolation of two novel planctomycetal strains belonging to two yet uncharacterized genera.

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