Crop Science -- Yang et al. 43 (5): 1805 Figure IG6

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Fig. 6. Embryogenic wheat callus showing GUS activity after bombardment with promoter-GUS fusion constructs. (A) Promoter SPRP1, (B) Promoter SPRP 2.4, (C) Promoter SEF1 ${alpha}$ , and (D) maize ubiquitin-1.