Abstract
ThegdcsP promoter isolated from C3-C4 intermediate plantFlaveria anomala was fused to the β-glucuronidase (GUS) gene. The chimeric gene was inserted into the binary vector pBin19 and introduced into the rice (Oryza sativa L.) cv. 8706 byAgrobacteriummediated gene transfer. GUS activity can be detected in leaf, leaf sheath, stem and root tissues via fluorometric GUS assay. However, no GUS activity was found in mature endosperm. Histochemical localization revealed that GUS expression was exclusively restricted to vascular tissues in transgenic plants. This promoter also showed spatial-temporal expression patterns that GUS expression declined significantly with the maturity of plants. These expression patterns make thegdcsP promoter extremely valuable in the applied biotechnology that needs target gene expression restricted to vascular tissues.
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Chen, S., Qu, N., Cao, S. et al. Expression analysis ofgdcsP promoter from C3-C4 intermediate plantFlaveria anomala in transgenic rice. Chin.Sci.Bull. 46, 1635–1638 (2001). https://doi.org/10.1007/BF02900624
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DOI: https://doi.org/10.1007/BF02900624