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Transmission electron micrograph of strain GeG2T cells showing intracytoplasmic electron-dense granules (A and B) and scanning electron micrographs of strain GeG2T cells surrounded by amorphous polymeric matrix, with the characteristic aspect of exopolysaccharides (EPS) (C) and presenting smooth or granular surfaces (D). Magnifications and scale bars are indicated under each micrograph. IG, intracytoplasmic granule. CM, cytoplasmic membrane. OM, outer membrane. P, peptidoglycan layer
