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Jahn, Martin T; Markert, Sebastian M; Ryu, Taewoo; Ravasi, Timothy; Stigloher, Christian; Hentschel, Ute; Moitinho-Silva, Lucas (2016): Accession data for analysed Xestospongia testudinaria metatranscriptomes. PANGAEA,, Supplement to: Jahn, MT et al. (2016): Shedding light on cell compartmentation in the candidate phylum Poribacteria by high resolution visualisation and transcriptional profiling. Scientific Reports, 6, 35860,

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Assigning functions to uncultivated environmental microorganisms continues to be a challenging endeavour. Here, we present a new microscopy protocol for fluorescence in situ hybridisation-correlative light and electron microscopy (FISH-CLEM) that enabled, to our knowledge for the first time, the identification of single cells within their complex microenvironment at electron microscopy resolution. Members of the candidate phylum Poribacteria, common and uncultivated symbionts of marine sponges, were used towards this goal. Cellular 3D reconstructions revealed bipolar, spherical granules of low electron density, which likely represent carbon reserves. Poribacterial activity profiles were retrieved from prokaryotic enriched sponge metatranscriptomes using simulation-based optimised mapping. We observed high transcriptional activity for proteins related to bacterial microcompartments (BMC) and we resolved their subcellular localisation by combining FISH-CLEM with immunohistochemistry (IHC) on ultra-thin sponge tissue sections. In terms of functional relevance, we propose that the BMC-A region may be involved in 1,2-propanediol degradation. The FISH-IHC-CLEM approach was proven an effective toolkit to combine -omics approaches with functional studies and it should be widely applicable in environmental microbiology.
Latitude: 22.383000 * Longitude: 39.050000
Date/Time Start: 2010-11-02T00:00:00 * Date/Time End: 2010-11-02T00:00:00
Fasar_02112010 * Latitude: 22.383000 * Longitude: 39.050000 * Date/Time: 2010-11-02T00:00:00 * Location: Fsar reef, Saudi Arabia * Device: Sampling by hand (HAND)
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Depth, top/minDepth topmJahn, Martin T
2Depth, bottom/maxDepth botmJahn, Martin T
3Species codeSpec codeJahn, Martin T
4SpeciesSpeciesJahn, Martin T
5Accession number, geneticsAccess no genJahn, Martin T
15 data points

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