陜西石蒜鱗莖膨大過程中碳水化合物及生物堿的積累研究

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關(guān)鍵詞陜西石蒜；鱗莖膨大；碳水化合物；生物堿含量；合成關(guān)鍵基因表達(dá)

中圖分類號(hào) S682. 2+9 文獻(xiàn)標(biāo)識(shí)碼A

文章編號(hào) 0517-6611（2025）13-0094-06

doi： 10.3969/j . issn. 0517-6611.2025. 13.018

開放科學(xué)（資源服務(wù)）標(biāo)識(shí)碼（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

石蒜屬（Lycorisspp.）的分布中心在我國，具有較高的觀賞和藥用價(jià)值，現(xiàn)屬內(nèi)約有29個(gè)種，我國資源占全球總量的80% 以上[1-4]。（剩余14602字）