Genome-wide identification, evolution and expression analysis of the Calcineurin B-like (CBL) and CBL-interacting protein kinase (CIPK) gene families under viral stress in Nicotiana benthamiana

文献类型： 外文期刊

第一作者： He, Long

作者： He, Long;Yao, Keyan;Cui, Shuhao;Cao, Hao;Chen, Jie;Zhang, Songbai

作者机构：

关键词： Calcineurin B-like protein (CBL); CBL-interacting protein kinase (CIPK); Viral stress; Nicotiana benthamiana

期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：6.2； 五年影响因子：6.2 ）

ISSN： 0926-6690

年卷期： 2025 年 234 卷

页码：

收录情况： SCI

摘要： Nicotiana benthamiana is a crucial model organism, widely used in gene study and molecular farming industry. Calcineurin B-like proteins (CBLs), which function as plant-specific calcium sensors, play critical roles in mediating plant growth and their response to diverse stress through their interactions with CBL-interacting protein kinases (CIPKs). Although CBLs and CIPKs have been identified in various species, their special characteristics in N. benthamiana remain limited. We identified 17 CBLs and 48 CIPKs in N. benthamiana, which were classified into 4 and 7 distinct clades, respectively, each exhibiting conserved motif and gene structures, based on their phylogenetic analyses. Segmental duplications were identified as a major driver for duplication patterns, both NbCBLs and NbCIPKs were unevenly distributed across 19 chromosomes and exhibited a relatively weak codon usage bias, shaped by both mutational and selective pressures. The expression levels of NbCBLs and NbCIPKs varied across distinct tissues, and influenced by viral infection. Furthermore, silencing of NbCBL10 increased viral susceptibility. Collectively, these findings not only provided novel insights into the functional exploration of the CBL-CIPK molecule, but also offered a valuable resource for antiviral genetic enhancement.

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