Figure 4

Comparison of growth under 800 mM (salt stress) in E. coli BL-21-uspABC mutant, expressing W-usp-2, M1-usp-2, M2-usp-2 & M3-usp-2 genes. (a) E. coli BL-21-uspABC mutant cells expressing M1-usp-2 showed high tolerance then that of vector control, bacterial control cells and W-usp-2 gene expressing cells. (b) BL-21-uspABC cells expressing W-usp-2 gene are more tolerant as compared to M2-usp-2 cloned cells of BL-21-uspABC. (c) growth rate of BL-21-uspABC cells transformed with M3-usp-2 gene is almost similar to the growth rate of BL-21-uspABC cells expressing W-usp-2 gene.