질소 결핍, 인 결핍 및 광 처리가 토마토 하배축에서 안토시아닌 생합성에 미치는 영향

Abstract

Anthocyanins are pigment ingredients with great potential as health-functional materials, and they are processed and used in various fields. These compounds function as antioxidants and are synthesized in response to various stress conditions. In the case of tomatoes, they have an unstable flavonoid biosynthesis pathway. So, they are rich in lycopene in a normal state and produce red fruits. However, when plants detect specific environmental changes, they can synthesize anthocyanins. In this study, we observed the expression of anthocyanin biosynthesis genes in tomato hypocotyls under nutrient deficiency conditions and various light treatments. Under nitrogen or phosphate deficiency conditions, the anthocyanin content in hypocotyls increased compared to the control, and similar levels were shown under nitrogen-deficient and phosphorus-deficient conditions. The expression levels of most anthocyanin biosynthesis genes were higher in the nutrient-deficient treatment group. Under light-treatment conditions, the anthocyanin content was higher in the light-treated groups. and the expression levels of anthocyanin biosynthesis genes were also higher in the light-treated group. These data provide insight into how anthocyanin accumulation is regulated through distinct genetic induction pathways in response to nitrogen deficiency, phosphate deficiency, and light signaling.