Genome-wide identification and expression analysis of TCP gene family in <i>Docynia delavayi</i> (Franch.) Schneid.

Baoyue ZHANG; Guoping LIU; Jinhong TIAN; Dawei WANG

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Genome-wide identification and expression analysis of TCP gene family in Docynia delavayi (Franch.) Schneid.

Author: Baoyue ZHANG ¹ ; Guoping LIU ¹ ; Jinhong TIAN ¹ ; Dawei WANG ¹
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1. Key Laboratory of Ministry of Education for Conservation and Utilization of Mountain Forest Resources in Southwest China, Southwest Forestry University, Kunming 650224, Yunnan, China.
Publication Type:Journal Article
Keywords: Docynia delavayi (Franch.) Schneid.; TCP gene family; bioinformatics; expression analysis; transcriptome
MeSH: Phylogeny; Gene Expression Regulation, Plant; Multigene Family; Genome, Plant/genetics*; Plant Proteins/genetics*; Transcription Factors/genetics*; Germination/genetics*; Fruit/growth & development*; Genes, Plant
From: Chinese Journal of Biotechnology 2025;41(2):809-824
CountryChina
Language:Chinese
Abstract: Docynia delavayi (Franch.) Schneid. is an economic fruit plant with high medicinal and edible values. The TCP gene family plays a vital role in plant growth and development. To explore the function of the TCP gene family in the growth and development of D. delavayi. In this study, the TCP gene family (DdeTCP) members were identified from the D. delavayi genome and their expression levels at different stages of seed germination and fruit development were analyzed. The results showed that a total of 18 DdeTCP genes were identified from the D. delavayi genome, with uneven location on 11 chromosomes. The phylogenetic tree showed that the 18 DdeTCPs could be classified into class Ⅱ (3) and class Ⅱ (15), suggesting that functional differentiation occurred among the DdeTCP family members. DdeTCP11 highly homologous to AtTCP14 was highly expressed in the early stage of seed germination, which suggested that this gene played a key role in seed germination. In addition, DdeTCP16 in class Ⅱ had a high expression level during the fruit ripening stage, which indicated that it might be related to fruit ripening. The findings lay a foundation for probing into the roles of the DdeTCP gene family in the growth and development of D. delavayi.