Identification and expression analysis of BURP domain-containing genes in jujube and their involvement in low temperature and drought response
文献类型: 外文期刊
作者: Wenzhu Wang;Zhong Zhang;Xingang Li
作者机构:
关键词: Abiotic stress;BURP domain-containing protein;Fruit development;Gene expression;Ziziphus jujuba Mill
期刊名称: BMC genomics
ISSN: 1471-2164
年卷期: 2022 年 23.0 卷 1 期
页码:
收录情况: SCIE(2022版)
摘要: BACKGROUND: Plant-specific BURP domain-containing genes are involved in plant development and stress responses. However, the role of BURP family in jujube (Ziziphus jujuba Mill.) has not been investigated. RESULTS: In this study, 17 BURP genes belonging to four subfamilies were identified in jujube based on homology analysis, gene structures, and conserved motif confirmation. Gene duplication analysis indicated both tandem duplication and segmental duplication had contributed to ZjBURP expansion. The ZjBURPs were extensively expressed in flowers, young fruits, and jujube leaves. Transcriptomic data and qRT-PCR analysis further revealed that ZjBURPs also significantly influence fruit development, and most genes could be induced by low temperature, salinity, and drought stresses. Notably, several BURP genes significantly altered expression in response to low temperature (ZjPG1) and drought stresses (ZjBNM7, ZjBNM8, and ZjBNM9). CONCLUSIONS: These results provided insights into the possible roles of ZjBURPs in jujube development and stress response. These findings would help selecting candidate ZjBURP genes for cold- and drought-tolerant jujube breeding.
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