Fig. 5

Cells grown (i) without As stress i.e. control (ii) aerobically with As3+,(iii) anaerobically with As3+, (iv) aerobically with As5+, (v) anaerobically with As5+(a). Analysis of electron dense particles (i) magnified image of anaerobically grown strain in presence of As3+ (ii) point EDX analysis on an electron opaque dot and on another point (as control) on cell surface of strain IIIJ3–1 (b)