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. 2024 Aug 27;15(10):e02044-24. doi: 10.1128/mbio.02044-24

Fig 1.

Time-lapse microscopy images of bacterial cells at different time points depict prey uptake and cell division processes. Two phylogenetic trees depict relationships among various clades, including Planctomycetia, Phycisphaerae, and Ca. Brocadiia.

Overview on the cell biology and phylogeny of “Ca. U. amorphum” SRT547 as well as the novel isolate “Ca. U. helgolandensis” HIEnr_7. Phagocytosis-like uptake of surrounding prey bacteria by “Ca. U. amorphum” (large cell) (a); white arrows indicate the prey bacterium being internalized. Cell division of “Ca. U. amorphum” (b), and “Ca. U. helgolandensis” HlEnr_7 (c). Two opposite cell poles move apart until only a thin, thread-like connection remains (red arrows) that finally disrupts. 16S rRNA gene sequence- (d) and multi-locus sequence analysis (MLSA)- (e) based phylogenies showing the deep branching of the “Ca. Uabimicrobium” clade within the phylum Planctomycetota.