陕西石蒜鳞茎膨大过程中碳水化合物及生物碱的积累研究
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关键词陕西石蒜；鳞茎膨大；碳水化合物；生物碱含量；合成关键基因表达
中图分类号 S682. 2+9 文献标识码A
文章编号 0517-6611（2025）13-0094-06
doi： 10.3969/j . issn. 0517-6611.2025. 13.018
开放科学（资源服务）标识码（OSID）：
Differential Accumulation of Carbohydrate and Alkaloid During Bulb Development in Lycoris shaanxiensis CUI Dong-jun1 ，GAO Yu2 ，HUANG Shi-yu² et al（1. Anyang Landscape and Greening Research Institute，Anyang，Henan 0;2. Co一 inovationCenterforSustaiableForestryinSouthChia/KeyLaboratoryofStateForestryandCrassandAdminstrationoSubroicalFor estBiodiversityConservation/CollgeofEcologyandEnvironment，NanjingForestry University，Nanjing，Jiangsu20037）
AbstractObective]Indertoinvestgatetechangesincarbhyrateandalkaloidacumulationduringtheulbevelopmentproesof Lycorisshansis，sokillprvidathetialsisfeleatigtethdalaldcculatioofLyoisbod Materialsfrodiferentsagsoflevelopentwereudtoivestigatetangsinubgoth，alodotent，Galostsisat waygeneexpresiocarbohdratecotentandeeactivituringtebubevelopntprocs.Result]Withheevelotofth bulb，thedameeedofllosndtelat. Among the three important alkaloids，galantamine（Gal） had the highest content in S4，reaching 457.31μg/g ，while lycoramine（Lycm）and lycorine（Lyc）adtegstconentiSat826.d65.32/espetiely.GalLyadLcprductioeealstin S4. The expression levels of PAL，C4H，OMT genes were increased as the bulb developed. The overall content of carbohydrates increased with thebulbdevelopment，andteactivitiesoftahstsisezes（AGPase）gaule-bundachsase（GBS）andublesachs thase（SSS）oetaereeleratigsachstsis;tectiiyfaasedtaseisloed byacelerating ebeakdoftarhintosolublsugars.Conclusion]issdyprelinarilyevealedthangesincarbohdrateadal kaloidmetabolisduingthulvelopentprossofLycorisshanesis，bohdratelvelsontiets，hileakalodtet peaksattheS4stag，tisokwillprovdeateoreticalbsisfeleratingthgrowhandaaloidaccuulatioofLorisbbsusg lecular biology and other methods in the future.
KeywordsLycoris shaanxiensis;Bulb development;Carbohydrates;Alkaloid content;Expression of key genes in synthesis
石蒜属（Lycorisspp.）的分布中心在我国，具有较高的观赏和药用价值，现属内约有29个种，我国资源占全球总量的80% 以上[1-4]。（剩余14602字）