Genome-wide analysis of the homeodomain-leucine zipper (HD-ZIP) gene family in peach (Prunus persica)

In this study, 33 homeodomain-leucine zipper (HD-ZIP) genes were identified in peach using the HD-ZIP amino acid sequences of Arabidopsis thaliana as a probe. Based on the phylogenetic analysis and the individual gene or protein characteristics, the HD-ZIP gene family in peach can be classified into...

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Bibliographic Details
Published in:Genetics and molecular research 2014-04, Vol.13 (2), p.2654-2668
Main Authors: Zhang, C H, Ma, R J, Shen, Z J, Sun, X, Korir, N K, Yu, M L
Format: Article
Language:English
Subjects:
Arabidopsis - genetics
Gene Expression Regulation, Plant
Genome, Plant
Homeodomain Proteins - genetics
Leucine Zippers - genetics
Multigene Family - genetics
Phylogeny
Prunus
Transcription Factors
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Summary:In this study, 33 homeodomain-leucine zipper (HD-ZIP) genes were identified in peach using the HD-ZIP amino acid sequences of Arabidopsis thaliana as a probe. Based on the phylogenetic analysis and the individual gene or protein characteristics, the HD-ZIP gene family in peach can be classified into 4 subfamilies, HD-ZIP I, II, III, and IV, containing 14, 7, 4, and 8 members, respectively. The most closely related peach HD-ZIP members within the same subfamilies shared very similar gene structure in terms of either intron/exon numbers or lengths. Almost all members of the same subfamily shared common motif compositions, thereby implying that the HD-ZIP proteins within the same subfamily may have functional similarity. The 33 peach HD-ZIP genes were distributed across scaffolds 1 to 7. Although the primary structure varied among HD-ZIP family proteins, their tertiary structures were similar. The results from this study will be useful in selecting candidate genes from specific subfamilies for functional analysis.
ISSN:1676-5680
1676-5680
DOI:10.4238/2014.April.8.8