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. 2015 Mar 31;6:95. doi: 10.3389/fphys.2015.00095

Figure 1.

Figure 1

(A) Rubiscolytic activities detected in midgut samples (0.5 μg/μl) from field-collected, fourth instar P. brassicae (n = 36) feeding on leaves of cauliflower (CF-ctrl), T. majus (TP-ctrl), radish (RD-ctrl), cabbage (CB-ctrl), and mustard (MT-ctrl) using native Rubisco isolated from N. tabacum (Nt RBCase) as substrate. (B) Inhibition of rubiscolytic activities detected in the samples after incubation with STI. The extent of inhibition is shown relative to proteolytic activities detected in midgut sample (depicted as 100% in absence of STI). The midgut samples were pre-incubated with STI in 1:1 ratio (v/v) for 10 min at room temperature before adding the protein substrate.