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  • Title: Genome-Wide Identification and Characterization of the UBP Gene Family in Moso Bamboo (Phyllostachys edulis).
    Author: Wu R, Shi Y, Zhang Q, Zheng W, Chen S, Du L, Lu C.
    Journal: Int J Mol Sci; 2019 Sep 03; 20(17):. PubMed ID: 31484390.
    Abstract:
    The largest group of deubiquitinases-ubiquitin-specific proteases (UBPs)-perform extensive and significant roles in plants, including the regulation of development and stress responses. A comprehensive analysis of UBP genes has been performed in Arabidopsis thaliana, but no systematic study has been conducted in moso bamboo (Phyllostachys edulis). In this study, the genome-wide identification, classification, gene, protein, promoter region characterization, divergence time, and expression pattern analyses of the UBPs in moso bamboo were conducted. In total, 48 putative UBP genes were identified in moso bamboo, which were divided into 14 distinct subfamilies in accordance with a comparative phylogenetic analysis using 132 full-length protein sequences, including 48, 27, 25, and 32 sequences from moso bamboo, A. thaliana, rice (Oryza sativa), and purple false brome (Brachypodium distachyon), respectively. Analyses of the evolutionary patterns and divergence levels revealed that the PeUBP genes experienced a duplication event approximately 15 million years ago and that the divergence between PeUBP and OsUBP occurred approximately 27 million years ago. Additionally, several PeUBP members were significantly upregulated under abscisic acid, methyl jasmonate, and salicylic acid treatments, indicating their potential roles in abiotic stress responses in plants.
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