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首页> 外文期刊>Biosciences Biotechnology Research Asia >Influence of Auxins and Wounding on Glucosinolate Biosynthesis in Hairy Root Cultures of Chinese Cabbage [Brassica rapa ssp. pekinensis)
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Influence of Auxins and Wounding on Glucosinolate Biosynthesis in Hairy Root Cultures of Chinese Cabbage [Brassica rapa ssp. pekinensis)

机译：生长素和伤口处理对大白菜毛状根培养物中芥子油苷生物合成的影响。北京）

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摘要

Cruciferous vegetables are well-known for their health benefits owing to the presence of the biologically active compounds glucosinolates. This study aimed to investigate the effect of auxins and wounding on GSL biosynthesis in the hairy root culturesof Chinese cabbage. Five different glucosinolates, i.e., glucoerucin, glucobrassicin, 4-methoxyglucobrassicin, gluconasturtiin, and neoglucobrassicin, were detected in the hairy root cultures of Chinese cabbage. The concentrations of neoglucobrassicin and 4-methoxyglucobrassicin were considerably higher than those of other glucosinolates in response to both Auxin and wounding. Glucosinolate accumulation was higher at low concentrations of auxins. Of the different auxins, 0.1 mg/L indole-3-acetic acid led to the highest accumulation of gluconasturtiin and neoglucobrassicin. The levels of glucosinolates in the hairy root cultures varied widely with time of wounding. The highest level of glucobrassicin was found 72 h after wounding, achieving a level 3.4-times greater than basal conditions. The level of gluconasturtiin was 1.5-times higher than that before wounding, and no gluconasturtiin was detected as time from wounding elapsed. Wound-induced phenolic metabolism in mature leaves appears to be inducedby signals different than those functioning in young leaves. Therefore, hairy root cultures might be a valuable alternate approach for the production of glucosinolate compounds from Chinese cabbage through wounding and also with other phytohormones or elicitors.
机译：由于存在生物活性化合物芥子油苷，十字花科蔬菜因其有益健康而广为人知。本研究旨在探讨生长素和创伤对大白菜毛状根培养物中GSL生物合成的影响。在大白菜的毛状根培养物中检测到五种不同的芥子油苷，即葡糖苷，葡糖苷，4-甲氧基葡糖苷，葡糖松香苷和新葡糖苷。响应生长素和创伤，新葡糖苷和4-甲氧基葡糖苷的浓度明显高于其他芥子油苷。在低浓度的植物生长素下，芥子油苷的积累较高。在不同的植物生长素中，0.1 mg / L吲哚-3-乙酸导致葡萄糖苷和新葡糖苷的积累最高。毛状根培养物中芥子油苷的含量随创伤时间的不同而变化很大。受伤后72小时发现葡萄糖水平最高，比基础水平高3.4倍。受伤时的葡萄糖金丝氨酸水平比受伤前高1.5倍，并且从受伤时间开始未检测到葡萄糖金丝氨酸。伤口诱导的成熟叶片中的酚类代谢似乎是由不同于年轻叶片中功能的信号诱导的。因此，毛状根培养可能是一种有价值的替代方法，可通过伤口以及与其他植物激素或引发剂一起从大白菜生产芥子油苷化合物。

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