Fig. 4A–F

Transmission electron micrograph and EDAX analysis of the Pseudomonas sp. grown in the absence and presence of arsenate. A Pseudomonas sp. grown in the absence of arsenate (×15K), B Pseudomonas sp. grown in the absence of arsenate (×30K). C Pseudomonas sp. grown in the presence of arsenate (×15K), D Pseudomonas sp. grown in the presence of arsenate (×30K). E Cytoplasmic accumulation of arsenic Pseudomonas sp. when bacterial growth occurs in metal-free medium. F Cytoplasmic accumulation of arsenic in Pseudomonas sp. when bacterial growth occurs in medium with 50 mM of arsenate