钩藤钩和花序不同发育时期的比较转录组分析

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关键词：钩藤（Uncariarhynchophylla）；钩；花序；发育时期；比较转录组分析

中图分类号：Q943.2;S567.1+9 文献标识码：A

文章编号：0439-8114（2026）02-0148-08

DOI：10.14088/j.cnki.issn0439-8114.2026.02.022 开放科学（资源服务）标识码（OSID）：

Comparative transcriptome analysis of the hook and inflorescence across different developmental stagesinUncariarhynchophylla

SANGSi-hong，LI Tao，CHENHong-yu，RENDe-qiang，LUOQiu-mei，YANFu-lin （Schoolof Pharmacy，Guizhou Universityof Traditional Chinese Medicine，Guiyang 55o025，China）

Abstract：TeoksadinfloescencsofUncariarhhohlatwomologouorgansatdierentdevelopmentalsags，clud inghook budsandifloresecebudsatteinitialsage，asellasfredhosandyungifloreseces，seredasatealfor transcriptomesequencing.Diferentiallyexpressedgnes（DEGs）inthehookdevelopmentalprocess（ookbudsvs.hoks）andtheiflorescencedvelopetalprossoresnebds.oungifloreees）eresedndtetransciptialpasofte twodevelopmental proceses werecomparedthroughcluster analysis.Theresultsshowedthatatotalof97O6Ounigenes wereobtainedfromRNAseqdataassembly.Itotal，637nd679DEGswereidentifiedintheookandinfloresencedeveloptalpr cesses，respectively.Among these，genes with significant differential expression（ |log2（FC）|⩾2 ）exhibited distinct differences in GO functionalclusteringandKEGG pathwayenrichment.There were 524common DEGssharedbythe twodevelopmentalproceses；enrichmentanalysisindicatedthatbothookandinflorescencedevelopmentinvolvedresponsestoendogenoussignalsandextealevironmentalstimuli.Furtherscreeningof thesecommonDEGsidentified52transcriptionfactor（TF）genes，whichwereclusterednto7 categoriesbasedontheirexpresionpaters.Themajorityof thesegeneswereinvoledinregulatingreproductivedevelopment，suggestingthatthetranscriptionalegulatoryetworkteyconstitutedwascloselyrelatedtothedivergenceindevelopmentalfatebetwn hooksand inflorescences.

Keywords：Uncariarhynchophyll;hooks;inflorescences；developmentalstages；comparative transcriptomeanalysis

茜草科藤本植物钩藤（Uncariarhynchophylla）是广泛分布于中国南方各省的药用植物，其带钩茎枝是具有悠久应用历史的中药、民族药材钩藤的主要来源[1.2]。（剩余10516字）