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. 2015 Sep 25;10(3):693–706. doi: 10.1038/ismej.2015.147

Figure 1.

Figure 1

Epifluorescence microscopy images of the double CARD-FISH assay. Left panels correspond to DAPI signal (blue-labeled nucleous). Right panels correspond to the combined signal of the prymnesiophyte-specific probes (green-labeled host under blue light excitation) and the cyanobacteria (red-labeled symbiont under green light excitation). (a) Two prymnesiophyte host cells carrying the symbiont close to two non-host prymnesiophyte cells from MALASPINA station 64. (b) A prymnesiophyte host harboring two UCYN-A cells from surface of station A (INDEMARES cruise) where this type of association was frequently observed. (c) A B. bigelowii cell targeted by the UBRADO69 probe from MALASPINA station 68.