Abstract
A plant expression vector was constructed by inserting the phosphate transporter gene, LePT1, which was cloned from the tomato genome, into pCAMBIA2300. An agrobacterium-mediated system was used to transform tobacco and acquire transgenic plants. Analyses of the transgenic plants by PCR and RT-PCR indicated that the exogenous gene was integrated into and expressed by transgenic plants. The growth characteristics of T1 generation transgenic plants were examined, and the phosphate content of transgenic plants in a low-phosphate environment was found to be significantly higher than in wild-type plants.
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