藜麦HSP20基因家族全基因组分析及其对非生物胁迫的响应

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中图分类号 S519 文献标识码A

文章编号 0517-6611（2025）18-0110-08

doi：10.3969/j.issn.0517-6611.2025.18.024

Genome-wide Analysis of the HSP2o Gene Family and Its Response to Abiotic Stress in Chenopodium quinoa LU Qiu-wei，CHANG Ya-qin，WANG Qing et al（Collge of Biology， Xinzhou Normal University，Xinzhou，Sha

AbstractWeidentiedandcharacterizedtheCqHSP2Ogenefamilyinquinoabasedongenome-wideanalysis.Atotalof83putativeCqH（204号 SP20 genes wereobtainedinquinoa.Phylogeneticanalysis indicatedthatCqHSP2Osweregroupedinto7subfamilies.Theduplicatedeventanalysis demonstrated that tandem duplication （21.3%） ）and segment duplication （ 56.3% ）events played crucial roles in promoting the expansionoftheCqH2genfilyTetranseriptoeanalysisshowedtat35ofthe83CHPOgesrespondedtoatstressintoroot， with18CqHSP0genesbeingsignificantlyupregulatedand18CqHSP2Ogenesbeingsignificantlydoweglated.Furtherore，7ofthe8 CqHSP20genesrespondedtodrouhtsres inotorshoot，7CqHSP0genesrespondedtolowpospousstressad1CqHP2gesre sponded to salt stress.

Key WordsChenopodium quinoa;Heat shock protein 2O;Gene family;Genome-wide analysis;Abiotic stress

热激蛋白（heatshockprotein，HSPs）作为分子伴侣广泛存在于原核和真核生物体内。（剩余12886字）