Research Article

Isolation and Abiotic Stress Resistance Analyses of a Catalase Gene from Ipomoea batatas (L.) Lam

Figure 5

Overexpression assay of IbCAT2 in E. coli. IbCAT2 was overexpressed in E. coli and examined by SDS-PAGE. SDS-PAGE analysis of IbCAT2 overexpression in E. coli BL21; Lane , protein marker; lane 1 and lane 2, crude extracts of E. coli BL21 containing the pET32-CAT with IPTG (1 mM); lane 3, crude extracts of E. coli BL21 containing the pET32-CAT without IPTG induction.