H Pylori
Copyright ©The Author(s) 2004.
World J Gastroenterol. Apr 15, 2004; 10(8): 1183-1190
Published online Apr 15, 2004. doi: 10.3748/wjg.v10.i8.1183
Figure 4
Figure 4 rCagA1 expression by pET32a-cagA1-E. coli BL21DE3 induced with IPTG. Lane 1: Protein marker; Lane 2: Blank control; Lane 3: Non-induced; Lanes 4-6: induced with 0.1, 0.5 and 1.0 mmol/L IPTG, respectively; Lanes 7 and 8: Bacterial supernatant and precipitate induced with 0.5 mmol/L IPTG, respectively.