760681.fig.002a
760681.fig.002b
Figure 2: Ultrastructure of cyanobacterium 2Dp86E: a: SEM image; b: TEM ultrathin section. Cs: carboxysome; CW: cell wall; N: nucleoid; R: ribosomes; T: thylakoids; Sh: sheath. Arrows indicate sleeve-like thickening of sheath. Scale bars: 5 μm (a) and 0.5 μm (b).