Fig. 6: Mollicutes in the mesoglea of polyps in Callogorgia delta. | Nature Communications

Fig. 6: Mollicutes in the mesoglea of polyps in Callogorgia delta.

From: Discovery of deep-sea coral symbionts from a novel clade of marine bacteria with severely reduced genomes

Fig. 6

a Bacterial signals in mesoglea of polyps seen in four of five colonies from tissue sections hybridized using CARD-FISH with the general eubacterial probe mix (EUB338 I-III, green) and stained with DAPI (blue). a Overview of an entire polyp in a transverse section, higher magnification (b), and a longitudinal section (c). d, e Transmission electron micrographs showing mollicutes-like bacteria in the mesoglea of polyps seen in four of six colonies. Unlabeled arrows indicate bacteria. Boxes indicate the exact region or type of region next image shows. gv gastrovascular cavity, mt mesentery, sl sclerite lacuna, gd gastrodermis, ed epidermis, mg mesoglea, mu muscle.

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