Cultivation-Independent Analysis of the Bacterial Community Associated With the Calcareous Sponge and Isolation of Poriferisphaera corsica Gen. Nov., Sp. Nov., Belonging to the Barely Studied Class in the Phylum Planctomycetes.
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Authors
Kallscheuer, NicolaiWiegand, Sandra
Kohn, Timo
Boedeker, Christian
Jeske, Olga
Rast, Patrick
Müller, Ralph-Walter
Brümmer, Franz
Heuer, Anja
Jetten, Mike S M
Rohde, Manfred
Jogler, Mareike
Jogler, Christian
Issue Date
2020-12-22
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Show full item recordAbstract
Marine ecosystems serve as global carbon sinks and nutrient source or breeding ground for aquatic animals. Sponges are ancient parts of these important ecosystems and can be found in caves, the deep-sea, clear waters, or more turbid environments. Here, we studied the bacterial community composition of the calcareous sponge Clathrina clathrus sampled close to the island Corsica in the Mediterranean Sea with an emphasis on planctomycetes. We show that the phylum Planctomycetes accounts for 9% of the C. clathrus-associated bacterial community, a 5-fold enrichment compared to the surrounding seawater. Indeed, the use of C. clathrus as a yet untapped source of novel planctomycetal strains led to the isolation of strain KS4T. The strain represents a novel genus and species within the class Phycisphaerae in the phylum Planctomycetes and displays interesting cell biological features, such as formation of outer membrane vesicles and an unexpected mode of cell division.Citation
Front Microbiol. 2020 Dec 22;11:602250. doi: 10.3389/fmicb.2020.602250.Affiliation
HZI,Helmholtz-Zentrum für Infektionsforschung GmbH, Inhoffenstr. 7,38124 Braunschweig, Germany.Publisher
FrontiersJournal
Frontiers in microbiologyPubMed ID
33414774Type
ArticleLanguage
enISSN
1664-302Xae974a485f413a2113503eed53cd6c53
10.3389/fmicb.2020.602250
Scopus Count
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