Dataset Information

Genome-wide analysis of CBL and CIPK family genes in cotton: conserved structures with divergent interactions and expression.

ABSTRACT: Calcineurin B-like proteins (CBLs) interact with CBL-interacting protein kinases (CIPKs) to form complex molecular modules in response to diverse abiotic stresses. Although previous studies demonstrated that the CBL-CIPK networks play a crucial role in plants response to abiotic stresses, however, little is known about their functions in cotton. In the present study, a total of 22 GhCBL and 79 GhCIPK gene family members were identified in upland cotton (Gossypium hirsutum Linn). Synteny analysis revealed that most genes of GhCBL and GhCIPK exist in pairs between At sub-genome and Dt sub-genome. Interaction analysis between GhCBL and GhCIPK proteins by yeast two-hybrid (Y2H) suggested that the GhCBL-GhCIPK networks were complex, and exhibited functional redundancy in cotton. Quantitative expression analysis by public transcriptome datasets revealed that some GhCBL and GhCIPK genes are differentially expressed under abiotic stress treatments, and especially under drought stress. Our results not only contribute to understanding the structural features of GhCBL and GhCIPK genes but also provide the basis for in-depth functional studies of GhCBL-GhCIPK networks in stress response for plants.

Supplementary information

The online version contains supplementary material available at (doi:10.1007/s12298-021-00943-1).

SUBMITTER: Sun W

PROVIDER: S-EPMC7907412 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

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Genome-wide analysis of CBL and CIPK family genes in cotton: conserved structures with divergent interactions and expression.

Sun Weinan W Zhang Bing B Deng Jinwu J Chen Lin L Ullah Abid A Yang Xiyan X

Physiology and molecular biology of plants : an international journal of functional plant biology 20210218 2

Calcineurin B-like proteins (CBLs) interact with CBL-interacting protein kinases (CIPKs) to form complex molecular modules in response to diverse abiotic stresses. Although previous studies demonstrated that the CBL-CIPK networks play a crucial role in plants response to abiotic stresses, however, little is known about their functions in cotton. In the present study, a total of 22 GhCBL and 79 GhCIPK gene family members were identified in upland cotton (Gossypium hirsutum Li ...[more]

PMID: 33707874

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Project description:Calcium plays a central role in regulating signal transduction pathways. Calcineurin B-like proteins (CBLs), which harbor a crucial region consisting of EF hands that capture Ca2+, interact in a specific manner with CBL-interacting protein kinases (CIPKs). This two gene families or their interacting-complex widely respond to various environment stimuli and development processes. The genome-wide annotation and specific expression patterns of CBLs and CIPKs, however, in grapevine remain unclear. In the present study, eight CBL and 20 CIPK genes were identified in grapevine genome, and divided into four and five subfamilies, respectively, based on phylogenetic analysis, and validated by gene structure and the distribution of conserved protein motifs. Four (50%) out of eight VvCBLs and eight (40%) out of 20 VvCIPKs were found to be derived from tandem duplication, and five (25%) out of 20 VvCIPKs were derived from segmental duplication, indicating that the expansion of grapevine CBL and CIPK gene families were mainly contributed by gene duplication, and all duplication events between VvCIPK genes only detected in intron poor clade. Estimating of synonymous and non-synonymous substitution rates of both gene families suggested that VvCBL genes seems more conserved than VvCIPK genes, and were derived by positive selection pressure, whereas VvCIPK genes were mainly derived by purifying selection pressure. Expressional analyses of VvCBL and VvCIPK genes based on microarray and qRT-PCR data performed diverse expression patterns of VvCBLs and VvCIPKs in response to both various abiotic stimuli and at different development stages. Furthermore, the co-expression analysis of grapevine CBLs and CIPKs suggested that CBL-CIPK complex seems to be more responsive to abiotic stimuli than during different development stages. VvCBLs may play an important and special role in regulating low temperature stress. The protein interaction analysis suggested divergent mechanisms might exist between Arabidopsis and grapevine. Our results will facilitate the future functional characterization of individual VvCBLs and VvCIPKs.

Dataset Information

Genome-wide analysis of CBL and CIPK family genes in cotton: conserved structures with divergent interactions and expression.

Supplementary information

Publications

Genome-wide analysis of <i>CBL</i> and <i>CIPK</i> family genes in cotton: conserved structures with divergent interactions and expression.

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