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. 2014 Feb 25;5:67. doi: 10.3389/fpls.2014.00067

FIGURE 9.

FIGURE 9

Transmission electron micrograph of ultrathin section of H. hongdechloris cells grown under white and far-red light conditions. (A) Cross section of a cell grown under FR light; (B) Cross section of a cell grown under white light; (C) Longitudinal section of the intersection (septum region) between filamentous cells grown under white light. White arrows indicate phycobilisome-like structures filling the stromal side of the thylakoid membranes (Th). Pg, peptidoglycan layer; fs, fibrils sheath and Cm (black arrows), cytoplasmic membrane. Bar = 0.2 m.