中文版 | English
Title

The Sm core protein SmEb regulates salt stress responses through maintaining proper splicing of RCD1 pre-mRNA in Arabidopsis

Author
Corresponding AuthorZhu, Jian-Kang; Wang, Zhen
Joint first authorHong, Yechun; Gao, Yang
Publication Years
2023-02-01
DOI
Source Title
ISSN
1672-9072
EISSN
1744-7909
Abstract

Salt stress adversely impacts crop production. Several spliceosome components have been implicated in regulating salt stress responses in plants, however, the underlying molecular basis is still unclear. Here we report that the spliceosomal core protein SmEb is essential to salt tolerance in Arabidopsis. Transcriptome analysis showed that SmEb modulates alternative splicing of hundreds of pre-mRNAs in plant response to salt stress. Further study revealed that SmEb is crucial in maintaining proper ratio of two RCD1 splicing variants (RCD1.1/RCD1.2) important for salt stress response. In addition, RCD1.1 but not RCD1.2 is able to interact with the stress regulators and attenuates salt-sensitivity by decreasing salt-induced cell death in smeb-1 mutant. Together, our findings uncovered the essential role of SmEb in the regulation of alternative pre-mRNA splicing in salt stress response.

Keywords
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
First ; Corresponding
Funding Project
National Natural Science Foundation of China[
WOS Research Area
Biochemistry & Molecular Biology ; Plant Sciences
WOS Subject
Biochemistry & Molecular Biology ; Plant Sciences
WOS Accession No
WOS:000939478400001
Publisher
Data Source
Web of Science
Citation statistics
Cited Times [WOS]:1
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/501491
DepartmentInstitute of Advanced Biotechnology
生命科学学院
Affiliation
1.Southern Univ Sci & Technol, Inst Adv Biotechnol, Shenzhen 518055, Peoples R China
2.Southern Univ Sci & Technol, Sch Life Sci, Shenzhen 518055, Peoples R China
3.Chinese Acad Sci, Shanghai Ctr Plant Stress Biol, Ctr Excellence Mol Plant Sci, Shanghai 200032, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Mol Plant Sci, Shanghai 200032, Peoples R China
5.Anhui Agr Univ, Sch Life Sci, Hefei 230036, Peoples R China
6.Texas Tech Univ, Dept Chem & Biochem, Lubbock, TX 79409 USA
First Author AffilicationInstitute of Advanced Biotechnology;  School of Life Sciences
Corresponding Author AffilicationInstitute of Advanced Biotechnology;  School of Life Sciences
First Author's First AffilicationInstitute of Advanced Biotechnology
Recommended Citation
GB/T 7714
Hong, Yechun,Gao, Yang,Pang, Jia,et al. The Sm core protein SmEb regulates salt stress responses through maintaining proper splicing of RCD1 pre-mRNA in Arabidopsis[J]. Journal of Integrative Plant Biology,2023.
APA
Hong, Yechun.,Gao, Yang.,Pang, Jia.,Shi, Huazhong.,Li, Tingting.,...&Wang, Zhen.(2023).The Sm core protein SmEb regulates salt stress responses through maintaining proper splicing of RCD1 pre-mRNA in Arabidopsis.Journal of Integrative Plant Biology.
MLA
Hong, Yechun,et al."The Sm core protein SmEb regulates salt stress responses through maintaining proper splicing of RCD1 pre-mRNA in Arabidopsis".Journal of Integrative Plant Biology (2023).
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