Fig. 3From: Adaptation mechanism and tolerance of Rhodopseudomonas palustris PSB-S under pyrazosulfuron-ethyl stressInternal changes in R. palustris PSB-S cells treated with pyraxosulfuron-ethyl. (a) CK; (b) pyrazosulfuron-ethyl. R. palustris PSB-S cells were fixed and embedded in the resin. Thin sections of the cells were examined for internal changes by TEM. Electron dense areas in the cells are indicated with arrowsBack to article page