首页|Genome-wide analysis of the bHLH family and identification of bHLH genes involved in fruit development and ripening of cultivated octoploid strawberry
Genome-wide analysis of the bHLH family and identification of bHLH genes involved in fruit development and ripening of cultivated octoploid strawberry
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Objectives:The basic helix-loop-helix(bHLH)transcription factors(TFs)regulate fruit growth in many plants.However,there is no available study on the bHLH gene family in the haplotype-resolved genome of cultivated strawberry(Fragaria × ananassa).Materials and Methods:The 131 FabHLH genes identified in the strawberry cultivar'Yanli'haplotype-resolved genome were classified into 24 subfamilies according to their phylogenetic relationships.Gene structure,conserved motifs,and chromosomal locations were investigated using bioinformatics.Results:In total,15 FabHLH genes potentially involved in fruit development were screened based on transcriptome analysis of different stages of fruit development.We also identified the cis-regulatory elements of these 15 FabHLH genes,predicted upstream transcription factors,and identified protein-protein interactions.Conclusions:The findings of this study improve our understanding of the regulation mediated by bHLHTFs during strawberry fruit growth and maturation.
strawberrybHLH gene familyexpression pattern analysisfruit development and ripeninghaplotype-resolved genome
Qian Zhao、Jiqi Li、Baotian Wang、Qingyue Wu、Chao Zhang、Zhihong Zhang、Yan Wang
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Liaoning Key Laboratory of Strawberry Breeding and Cultivation,College of Horticulture,Shenyang Agricultural University,Shenyang,China
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