FIGURE 4 in Aerofilum fasciculatum gen. nov., sp. nov. (Oculatellaceae) and Euryhalinema pallustris sp. nov. (Prochlorotrichaceae) isolated from an Indian mangrove forest

FIGURE 4. Transmission electron microscopy of strain AP3 and AP3b. a and b. Cross-section of a part of filament of strain AP3 showing thylakoidal arrangement and granulations. c and d. Cross-sectional view of cell of strain AP3b showing aerotopes distributed throughout the cell. th = thylakoids; pg = polyphosphate granules; cb = carboxysomes; cw = cell wall; ms = mucilaginous sheath; gv = gas vesicles.