高光强度通过在大麻 (Cannabis sativa) 花中协调基因表达来增强大麻素生物合成
Seungyong Hahm1, Gwonjeong Bok2, Sungjin Kim1
1Department of Horticultural Science, Chungnam National University, Daejeon, Republic of Korea.
Frontiers in plant science
|November 6, 2025
概括
在开花期间优化大麻 (Cannabis sativa) 的光强度可以显著提高生物质和大麻素产量. 高光水平,特别是600μmol·m−2·s−1,最大限度地提高了大麻 (CBD) 的产量,并影响了生物合成的关键基因表达.
科学领域:
- 植物科学 植物科学
- 农业科学 农业科学
- 生物化学 生物化学
背景情况:
- 有限的研究存在于优化光强度的植物化学品生产在开花的麻.
- 全球对大麻产品的需求正在增加,需要有效的种植策略.
研究的目的:
- 研究不同发光二极管 (LED) 强度对大麻生长,大麻素含量和在开花阶段基因表达的影响.
- 在受控环境中确定最佳的光强度,以最大限度地提高生物质和大麻 (CBD) 的产量.
主要方法:
- 在35天的12/12小时光周期下,大麻植物 (Cannabis sativa'Queen Dream') 接受了三个白色LED光强度 (200,400和600μmol·m−2·s−1) 的照射.
- 测量包括干质量,大麻素分析 (CBD,CBDa,THCa) 和关键生物合成途径酶的基因表达分析.
主要成果:
- 植物干质量 (茎,叶子,花) 随着光强度的增加,线性增加.
- 包括总CBD在内的大麻素水平在更高的光线下显著增加,在600μmol·m−2·s−1时增加36.88%,而在200μmol·m−2·s−1.1.时增加36.88%.
- 基因表达分析显示,在强光下,大麻素生物合成基因,特别是大麻酸合成酶 (CBDAS) 的调节升高.
结论:
- 600μmol·m−2·s−1的光强度有效地增强了大麻开花期间的生物质和大麻素积累.
- 这些发现为优化控制环境大麻种植提供了宝贵的见解,以最大限度地提高CBD产量.
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