Differential Expression of Key Isoflavone Synthesis Genes in Soybean Sprouts under Two LED Treatments

IF 2.3 Q1 AGRICULTURE, MULTIDISCIPLINARY

ACS agricultural science & technology Pub Date : 2025-04-18 DOI:10.1021/acsagscitech.4c0064610.1021/acsagscitech.4c00646

Aya Nakai, Shiho Fukushima, Kazuaki Mawatari, Akira Takahashi, Takeshi Nikawa, Shintaro Inoue, Takahito Watanabe, Taro Mito and Katsuyuki Miyawaki*,

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引用次数: 0

Abstract

Soybean seeds and sprouts contain isoflavones, including aglycones, glucosides, and malonylated glucosides, and their contents vary across soybean varieties. During germination and photomorphogenesis, blue light-emitting diode (LED) irradiation suppressed hypocotyl growth and enhanced the expression levels of chalcone synthase 7, isoflavone synthase (IFS), and isoflavone reductase (IFR). Conversely, red LED irradiation enhanced hypocotyl growth and decreased the expression levels of IFS and IFR. The contents of some glycosides or malonylated glycosides in sprouts and young green soybeans were significantly higher under blue LED irradiation than under red LED irradiation. These results imply that blue light more effectively increased the concentrations of some isoflavones during early germination and/or hydroponics cultivation.

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两种LED处理下大豆芽中关键异黄酮合成基因的差异表达

大豆种子和豆芽含有异黄酮，包括苷元、葡萄糖苷和丙二酰化葡萄糖苷，其含量因大豆品种而异。在萌发和光形态形成过程中，蓝光发光二极管（LED）照射抑制了下胚轴的生长，提高了查尔酮合成酶7、异黄酮合成酶（IFS）和异黄酮还原酶（IFR）的表达水平。相反，红色LED照射促进了下胚轴的生长，降低了IFS和IFR的表达水平。在蓝色LED照射下，芽苗菜和青豆中某些苷类或丙二酰化苷类的含量显著高于红色LED照射。这些结果表明，蓝光更有效地提高了某些异黄酮的浓度在发芽早期和/或水培栽培。

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来源期刊

ACS agricultural science & technology

CiteScore

2.80

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0.00%

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