A conserved brassinosteroid-mediated BES1-CERP-EXPA3 signaling cascade controls plant cell elongation

Zhu, Liping; Wang, Huiqin; Zhu, Jiaojie; Wang, Xiaosi; Jiang, Bin; Hou, Liyong; Xiao, Gao

doi:10.1016/j.celrep.2023.112301

Cited by 13 publications

(3 citation statements)

References 77 publications

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Section: Methodsmentioning

confidence: 99%

“…The Arabidopsis thaliana genome sequence used in this study was downloaded from The Arabidopsis Information Resource (TAIR10) database [16]. The genome sequences of Gossypium hirsutum (Tx-JGI_G.hirsutum_v1.1), Gossypium raimondii (D5_NSF), Gossypium arboreum (A2_CRI), and Gossypium barbadense (3-79_HAU) were obtained from the Cotton Functional Genomics Database (https://yanglab.hzau.edu.cn/CottonMD, accessed on 12 May 2024) [17].…”

Section: Genome Databasesmentioning

confidence: 99%

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Genomic Analysis of Brassinosteroid Biosynthesis Gene Family Reveals Its Roles in Cotton Development across Gossypium Species

Cui,

Zhou,

Xiao

et al. 2024

Biology

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Cotton is a globally significant economic crop. Brassinosteroids (BRs) are crucial to cotton development. This study systematically analyzed the BR synthase gene family in four cotton species and identified 60 BR genes: 20 in Gossypium hirsutum (GhBRs), 20 in G. barbadense (GbBRs), 10 in G. arboreum (GaBRs), and 10 in G. raimondii (GrBRs). The analysis was extended to chromosomal localization, evolutionary relationships, domain features, and cis-regulatory elements in the promoter regions of BR synthase genes. The results showed that the BR synthase genes were evenly distributed across different subgenomes and chromosomes. Bioinformatics analyses revealed high conservation of amino acid sequences, secondary structures, and conserved domains among the subfamily members, which is closely linked to their pivotal roles in the BR biosynthesis pathway. Cis-element distribution analysis of the BR synthase genes further underscored the complexity of BR gene expression regulation, which is influenced by multiple factors, including plant hormones, abiotic stress, and transcription factors. Expression profiling of GhBRs genes in various cotton tissues and developmental stages highlighted the key roles of GhROT3-1 and GhDET2-1 in fiber elongation and initiation, respectively. Protein–protein interactions and transcription factor analyses further elucidated the regulatory mechanisms of GhROT3-1 and GhDET2-1 in cotton growth and development. This study lays a theoretical foundation for understanding the role of the BR signaling pathway in cotton development, facilitating molecular breeding.

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Section: Methodsmentioning

confidence: 99%

Section: Genome Databasesmentioning

confidence: 99%

Genomic Analysis of Brassinosteroid Biosynthesis Gene Family Reveals Its Roles in Cotton Development across Gossypium Species

Cui,

Zhou,

Xiao

et al. 2024

Biology

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“…ZmEXPB15, ZmNAC11, and ZmNAC29 impact the early development of corn kernels and regulates the grain size and weight by promoting the elimination of nucellar tissue [ 35 ]. Further, GhEXPA3-1 promotes fibrocyte elongation through the brassinolide signaling pathway [ 36 ].…”

Section: Introductionmentioning

confidence: 99%

Identification and expression analysis of expansin gene family in Salvia miltiorrhiza

Li,

Pang

et al. 2024

Chin Med

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Background Expansins (EXP) are important enzymes that are involved in the extension of plant cells and regulation of root configurations, which play important roles in resisting various stresses. As a model medicinal plant, Salvia miltiorrhiza is well recognized for treating coronary heart disease, myocardial infection, and other cardiovascular and cerebrovascular diseases; however, the SmEXP gene family has not yet been analyzed. Methods The SmEXP family was systematically analyzed using bioinformatics. Quantitative real-time PCR was employed to analyze the tissue expression patterns of the SmEXP family, as well as its expression under abscisic acid (ABA) treatment and abiotic stress. Subcellular localization assay revealed the localization of SmEXLA1, SmEXLB1, and SmEXPA2. Results This study identified 29 SmEXP that belonged to four different subfamilies. SmEXP promoter analysis suggested that it may be involved in the growth, development, and stress adaptation of S. miltiorrhiza. An analysis of the expression patterns of SmEXP revealed that ABA, Cu2+, and NaCl had regulatory effects on its expression. A subcellular localization assay showed that SmEXLA1 and SmEXLB1 were located on the nucleus and cell membrane, while SmEXPA2 was located on the cell wall. Conclusion For this study, the SmEXP family was systematically analyzed for the first time, which lays a foundation for further elucidating its physiological and biological functionality.

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Brassinolides signaling pathway: tandem response to plant hormones and regulation under various abiotic stresses

Gao,

Ma,

Zhang

et al. 2024

HORTIC. ADV.

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Plant hormones play pivotal roles in stress responses by modulating growth, development, stomatal movement, and the expression of stress-related genes, thereby aiding plants in adapting to and managing various environmental challenges. Each hormone exhibits distinct functions and regulatory mechanisms in stress response, with potential complex interactions among them. Brassinosteroids (BRs) represent a novel hormone that influences the expression of its target genes through a series of phosphorylated cascade reactions involving various transcription factors. This signaling pathway regulates diverse growth and development processes in plants. Additionally, BRs interact with other hormones to modulate physiological development. This review examines BRs biosynthesis and metabolism, elucidates the interactions between BRs and abscisic acid (ABA), jasmonic acid (JA), and gibberellins (GA), and explores their roles in regulating responses to drought, salt, cold, and heat. The review underscores the importance of BRs and other hormonal crosstalk in managing nutrient stress, which is vital for understanding plant growth regulation, enhancing crop stress resistance, advancing biotechnology applications, and furthering plant science research. Future research directions and the potential of BRs production and application to improve plant stress resilience are also discussed in the context of current findings.

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A conserved brassinosteroid-mediated BES1-CERP-EXPA3 signaling cascade controls plant cell elongation

Cited by 13 publications

References 77 publications

Genomic Analysis of Brassinosteroid Biosynthesis Gene Family Reveals Its Roles in Cotton Development across Gossypium Species

Genomic Analysis of Brassinosteroid Biosynthesis Gene Family Reveals Its Roles in Cotton Development across Gossypium Species

Identification and expression analysis of expansin gene family in Salvia miltiorrhiza

Brassinolides signaling pathway: tandem response to plant hormones and regulation under various abiotic stresses

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