J. Plant Physiol. Differential regulation of soybean seed storage protein gene promoter-GUS fusions by exogenously applied methionine in transgenic Arabidopsis thaliana . Plant Cell Physiol. Temporal and nutritional regulation of soybean 7S seed storage protein gene promoters in transgenic petunia. Kluwer Academic Publishers, Dordrecht, pp.
Electroporated protoplasts express seed specific gene promoters.