Research Article

Identification and Bioinformatics Analysis of ABC Transporter Gene Family in Hydrangea under Aluminum Stress  

Haixia Chen , Xuan Wang , Lu Xu
Horticulture College of Hunan Agricultural University, Hunan Mid-subtropical Quality Plant Breeding and Utilization Engineering Technology Research Center, Changsha, 410128, China
Author    Correspondence author
Molecular Plant Breeding, 2022, Vol. 13, No. 31   doi: 10.5376/mpb.2022.13.0031
Received: 15 Dec., 2022    Accepted: 22 Dec., 2022    Published: 30 Dec., 2022
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This article was first published in Molecular Plant Breeding in Chinese, and here was authorized to translate and publish the paper in English under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Chen H.X., Wang X., and Xu L., 2022, Identification and bioinformatics analysis of ABC transporter gene family in hydrangea under aluminum stress, Molecular Plant Breeding, 13(31): 1-15 (doi: 10.5376/mpb.2022.13.0031)


ABC transporters is a type of transmembrane transporters widely found in prokaryotes and eukaryotes. They are involved in plant signal transduction, secondary metabolite transport and abiotic stress response. According to the transcriptome data of Hydrangea, this study was proposed analyze the members of ABC transporter gene family, physical and chemical properties, gene structure, phylogeny and gene expression patterns under aluminum stress using bioinformatics method. The results showed that there were 48 members of ABC transporter gene family in Hydrangea, which belonged to 7 subfamilies respectively, among which the C subfamily had the most members; the subcellular localization results showed that 50% of the family members were located on the plasma membrane; the physical and chemical properties and domain analysis showed that most of the ABC transporters were hydrophobic proteins, and different subfamilies had specific conserved motifs, but motif1 and motif2 were all present in hydrangea ABC transporter; A phylogenetic tree was constructed with 129 ABC transporters of Arabidopsis thaliana, and 48 ABC transporters from Hydrangea were clustered into 7 subfamilies of Arabidopsis thaliana respectively. The expression profile analysis showed that the HmABCA1, HmABCC1, HmABCC6, HmABCC14 and HmABCD1 gene were upregulated in the root and HmABCG1 gene were up-regulated in leaves after aluminum stress treatment. The results provide a reference for further study on aluminum tolerance and expression regulation of ABC transporter genes in hydrangea.

Hydrangea macrophylla; Aluminum tolerance; ABC transporter genes; Bioinformatics
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