花魔芋HSF基因家族全基因组鉴定与功能进化特征分析

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中图分类号：S632.3 文献标识码：A文章编号：0439-8114（2026）02-0215-08DOI：10.14088/j.cnki.issn0439-8114.2026.02.032开放科学（资源服务）标识码（OSID）：

Genome-wide identification and functional evolutionary characterization of the HSF gene familyin Amorphophalluskonjac

CAIYang-guang1，LIJian-kang²，DUANLong-fei1，QINJian-feng1，WUJun-qi （1.AnkangMunicipalitgriculuralSicesResearchIsituteAnkag7，hiina；.ColgeofHorticulureadLdae Architecture，SouthwestUniversity，Chongqing 4Oo715，China）

Abstract：ToelucidatethemolecularresponsemechanismofAmorphophallus honjacunderhigh-temperaturestress，basedonthe whole-genomedataofAmorphophalus konjac，theheatshock transeriptionfactor（HSF）genefamilymembers weresystematicaly identifiedusingbiiformaticsmethds，andtheiryicochemicalproperties，evolutionaryrelationships，conservedmotifs，andpro teininteractionnetworkswereanalyzed.Theresultsshowedthatatotalof8AkHSFgenefamilymemberswereidentifiedinheAmorphophallu konjac genome，whichwereunevenlydistributedon8chromosomes.Byconstructingaphylogenetictree，theHSFmembers ofAmorphophalusonjacandArabidopsisthlianawerecoclasifiedintofivesubgroups，revealingtheevolutionaryconseaionof thegenefamily.Theanalysisofconservedmotifsandgenestructuresindicatedthatmembers withinthesamesubgroupsharedsimilar motifcompositios，uggestingfunctionalsilarity，whilediffrencsexistedamongdiferntsubgrops，iplyingfunctioaldie gence.Protein interaction predictionrevealedsix interactionrelationshipsamong seven AkHSF members.TheAkHSFgenefamily members exhibited both conservation and adaptive evolution intheir functions related to heat stress response.

KeyWords：Amorphophalusonjac；HSFgenefamily；wholegenome；bioinformatics；identification；functionalevolution；characterization

魔芋（AmorphophallusBlume）是天南星科魔芋属的多年生草本植物，是自然界中能大量提供葡甘露聚糖（KGM）的重要经济作物[1]。（剩余10270字）