Figure. 3. Expression of GeSUT sucrose transporters in G. elatatubers.

(a) Real-time PCR analysis of GeSUT expression in developing tubers. Results are means ± SE from three biological samples. (b) RT-PCR analysis of full length RNA transcripts of GeSUT genes. (c) Expression of genes involved in sucrose metabolism in developing tubers. Expression of a G. elata actin 7 analog, GeACT7 , was used as an expression internal control.