CDNA MICROARRAY ANALYSIS OF DIFFERENTIAL GENE EXPRESSION IN TOMATO FRUITS EXPOSED TO BLUE, UV-A, AND UV-A+UV-B
Plants of tomato Micro Tom were grown under metal-halide lamps with a UV-safe acrylic plate installed between the lights and plants. Plants with fruits at the breaker stage were transferred to a growth chamber equipped with white fluorescent lamps filtered with UV-A-absorbing (<370 nm) acrylic plates. Four hours after the start of the light period, the fruit were irradiated with one of three types of supplemental light sources: blue LED, UV-A fluorescent lamps (UV-A+UV-B), and UV-A fluorescent lamps filtered through a UV-B-safe glass plate (UV-A). Microarray hybridization was performed on all combinations of cDNAs from blue, UV-A, UV-A+UV-B, and white light groups. The gene expression profile of the UV-A group was similar to that of the control (white light), and a few genes were up-regulated slightly by blue light. In contrast, the expression of several genes was down-regulated by UV-A+UV-B. Many of these genes were categorized as those involved in transcriptional regulation and signal transduction.
Kawabata, S., Miyamoto, K. and Li, Y. (2011). CDNA MICROARRAY ANALYSIS OF DIFFERENTIAL GENE EXPRESSION IN TOMATO FRUITS EXPOSED TO BLUE, UV-A, AND UV-A+UV-B. Acta Hortic. 907, 371-374
ultraviolet-A, ultraviolet-B, flavonoid, carotenoid, Solanum lycopersicum, breaker stage