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Genome-wide identification, phylogeny, and expression analysis of the SBP-box gene family in Euphorbiaceae
Li, Jing1; Gao, Xiaoyang; Sang, Shiye1; Liu, Changning2
2019
Source PublicationBMC GENOMICS
ISSN1471-2164
Volume20Pages:-
AbstractBackground: Euphorbiaceae is one of the largest families of flowering plants. Due to its exceptional growth form diversity and near-cosmopolitan distribution, it has attracted much interest since ancient times. SBP-box (SBP) genes encode plant-specific transcription factors that play critical roles in numerous biological processes, especially flower development. We performed genome-wide identification and characterization of SBP genes from four economically important Euphorbiaceae species. Results: In total, 77 SBP genes were identified in four Euphorbiaceae genomes. The SBP proteins were divided into three length ranges and 10 groups. Group-6 was absent in Arabidopsis thaliana but conserved in Euphorbiaceae. Segmental duplication played the most important role in the expansion processes of Euphorbiaceae SBP genes, and all the duplicated genes were subjected to purify selection. In addition, about two-thirds of the Euphorbiaceae SBP genes are potential targets of miR156, and some miR-regulated SBP genes exhibited high intensity expression and differential expression in different tissues. The expression profiles related to different stress treatments demonstrated broad involvement of Euphorbiaceae SBP genes in response to various abiotic factors and hormonal treatments. Conclusions: In this study, 77 SBP genes were identified in four Euphorbiaceae species, and their phylogenetic relationships, protein physicochemical characteristics, duplication, tissue and stress response expression, and potential roles in Euphorbiaceae development were studied. This study lays a foundation for further studies of Euphorbiaceae SBP genes, providing valuable information for future functional exploration of Euphorbiaceae SBP genes.
KeywordEuphorbiaceae SBP-box miR156 Tissue expression Stress response Gene duplication
Subject AreaBiotechnology & Applied Microbiology ; Genetics & Heredity
DOI10.1186/s12864-019-6319-4
Indexed BySCI
Language英语
WOS IDWOS:000505593700003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/11588
Collection2012年后新成立研究组
Affiliation1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, CAS Key Lab Trop Plant Resources & Sustainable Us, Kunming 650223, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Coll Life Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Core Bot Gardens, Ctr Econ Bot, Mengla 666303, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Li, Jing,Gao, Xiaoyang,Sang, Shiye,et al. Genome-wide identification, phylogeny, and expression analysis of the SBP-box gene family in Euphorbiaceae[J]. BMC GENOMICS,2019,20:-.
APA Li, Jing,Gao, Xiaoyang,Sang, Shiye,&Liu, Changning.(2019).Genome-wide identification, phylogeny, and expression analysis of the SBP-box gene family in Euphorbiaceae.BMC GENOMICS,20,-.
MLA Li, Jing,et al."Genome-wide identification, phylogeny, and expression analysis of the SBP-box gene family in Euphorbiaceae".BMC GENOMICS 20(2019):-.
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