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An oleosin-fusion protein driven by the CaMV35S promoter is accumulated in Arabidopsis (Brassicaceae) seeds and correctly targeted to oil bodies

Author(s): W. Li, L.G. Li, X.F. Sun1and K.X. Tang

Oleosin-fusion technology is used to express desired proteins. It was developed based on the properties of oleosin; the heterologous protein gene is fused to the oleosin gene and the fusion gene is driven by a seed-specific promoter. We replaced the seed specific promoter with the CaMV35S promoter to dive a gfp-oleosin fusion gene in transformed Arabidopsis. The heterologous oleosin-fusion protein was mainly accumulated in the transgenic Arabidopsis seeds and correctly targeted to oil bodies. This provides an alternate choice of promoter in oleosin-fusion technology.