Genome-wide analysis of hyperosmolality-gated calcium-permeable channel (OSCA) family members and their involvement in various osmotic stresses in Brassica napus
文献类型: 外文期刊
第一作者: Zhang, Xiaojuan
作者: Zhang, Xiaojuan;Zhang, Chenlu;Ma, Xiuqi;Zhang, Yu;Cheng, Xiaohui;Xie, Meili;Zhang, Xiaojuan;Song, Jianmin;Zhang, Xiaojuan;Zhang, Xiaojuan
作者机构:
关键词: Brassica napus; OSCA gene family; Tissue expression; Osmotic stress; Cold stress
期刊名称:GENE ( 影响因子:3.5; 五年影响因子:3.3 )
ISSN: 0378-1119
年卷期: 2023 年 856 卷
页码:
收录情况: SCI
摘要: Plant hyperosmolality-gated calcium-permeable channel (OSCA) is a calcium permeable cation channel that responds to hyperosmotic stress and plays a pivotal role in plant growth, development and stress response. Through a genome-wide survey, 41 OSCA genes were identified from the genome of Brassica napus. The OSCA family genes were unevenly distributed over 14 chromosomes of B. napus and phylogenetic analysis separated the OSCA family into four clades. Motif analyses indicated that OSCA proteins in the same clade were highly conserved and the protein conserved motifs shared similar composition patterns. The OSCA promoter regions contained many hormone-related elements and stress response elements. Gene duplication analysis elucidated that WGD/segmental duplication was the main driving force for the expansion of OSCA genes during evolution and these genes mainly underwent purifying selection. RNA-seq and qRT-PCR analysis of different tissues showed that OSCA genes are expressed and function mainly in the root. Among these genes, BnOSCA3.1a and BnO-SCA3.1c had relatively high expression levels under osmotic stresses and cold stress and were highly expressed in different tissues. Protein interaction network analysis showed that a total of 5802 proteins might interact with OSCAs in B. napus, while KEGG/GO enrichment analysis indicated that OSCAs and their interacting proteins were mainly involved in plant response to abiotic stress. This systematic analysis of the OSCAs in B. napus identified gene structures, evolutionary features, expression patterns and related biological processes. These findings will facilitate further functional and evolutionary analysis of OSCAs in B. napus for breeding of osmotic-stress -resistant plants.
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