Genome-wide identification and expression analysis of ACS and ACO gene family in Ziziphus jujuba mill during fruit ripening
文献类型： 外文期刊
作者： Chen, Zhuo 1 ; Jin, Gang 3 ; Zhi, Zhaokun 2 ; Guo, Yanmeng 2 ; Liu, Yiteng 1 ; Fan, Bingxin 1 ; Zhu, Gao-Pu 1 ; Zhang, Mengmeng 1 ; Zhang, Shulin 1 ;
作者机构： 1.Chinese Acad Forestry, Res Inst Nontimber Forestry, Zhengzhou 450003, Peoples R China
2.Henan Inst Sci & Technol, Sch Hort & Landscape Architecture, Xinxiang 453003, Peoples R China
3.Guangxi Subtrop Crops Res Inst, Guangxi Key Lab Qual & Safety Control Subtrop Frui, Nanning 530001, Peoples R China
关键词：
Jujube (
期刊名称：SCIENTIFIC REPORTS （ 影响因子：3.9； 五年影响因子：4.3 ）
ISSN： 2045-2322
年卷期： 2025 年 15 卷 1 期
页码：
收录情况： SCI
摘要： The jujube (Ziziphus jujuba Mill.) cultivar 'Dongzao' is globally popular as a fresh fruit but faces challenges with shelf life, which is positively associated with ethylene production. The two key enzymes involved in ethylene biosynthesis, 1-Aminocyclopropane-1-Carboxylic acid Synthase (ACS) and 1-Aminocyclopropane-1-Carboxylic acid Oxidase (ACO), are encoded by ACS and ACO gene families, respectively. This study identified 7 ZjACS genes and 36 ZjACO genes in 'Dongzao' and revealed extensive evolutionary divergence between 'Dongzao' and Arabidopsis thaliana. Phylogenetic relationships were more apparent when analyzing genes with similar structures, motifs and subcellular localization predictions. Transcriptome profiling showed that a substantial number of the ZjACS and ZjACO genes displayed stage-specific expression tendency during fruit development. Co-expression analysis showed that 4 ZjACS and 9 ZjACO genes were linked to transcription factors (TFs) involved in fruit ripening. The diverse regulatory factors, including ERF, NAC and WRKY TFs and cis-acting regulatory elements, likely contribute to the complex roles of the ZjACSs and ZjACOs during ripening of jujube fruits. This study sheds light on the genetic regulation of ethylene biosynthesis in 'Dongzao' jujube ripening, providing insights for postharvest research in this economically important species.
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