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Promoters for expression of nuclear transgenes

• constitutive = continuous expression (CaMV 35S, actin, ubiquitin)

• developmentally regulated (alpha-amylase)

• chemically inducible (glutathione-S-transferase)

(Diagram showing promoter sequence region at the 5-prime end of the gene sequence.)

picture of callus clumps sprinkled with small blue spots showing regions of gusA gene expression

Gene expression. Ubiquitin promoter driving expression of the reporter gene gusA in transgenic rice cell culture.

Image compliments of UCD Biotechnology Program.

 

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