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Omics Approach to Uncovering Signalling and Gene Regulation in Plants

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: 20 July 2026 | Viewed by 783

Special Issue Editors


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Guest Editor
State Key Laboratory of Environmental and Biological Analysis, Hong Kong Baptist University, Hong Kong, China
Interests: metabolomics; lipidomics; mass spectrometry; analytical statistics

E-Mail Website
Guest Editor
State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong 999077, China
Interests: plant signaling networks; multi-omics data integration; gene regulatory mechanisms; abiotic stress adaptation; transcriptional regulatory networks

Special Issue Information

Dear Colleagues,

Plant signalling and gene regulation are fundamental to understanding how plants adapt to environmental stresses, optimize growth, and achieve developmental plasticity. The advent of multi-omics technologies has revolutionized our ability to dissect these processes at unprecedented resolution. This Special Issue aims to showcase cutting-edge research leveraging ​​integrated omics approaches​​ (genomics, transcriptomics, proteomics, metabolomics, epigenomics, and spatial omics) to unravel the complexity of plant signalling pathways and gene regulatory networks. 

Dr. Xiang Li
Dr. Jingchun Shi
Guest Editors

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Keywords

  • omics
  • plant signalling
  • gene regulation
  • bioinformatics

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Published Papers (1 paper)

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Research

22 pages, 6497 KB  
Article
Genome-Wide Identification and Functional Characterization of the Dof Gene Family in Flax (Linum usitatissimum)
by Chenmeng Xu, Limin Wang, Zhao Dang, Wenjuan Li, Wei Zhao, Yaping Xie, Yan Wang, Jianping Zhang and Yanni Qi
Int. J. Mol. Sci. 2026, 27(9), 4126; https://doi.org/10.3390/ijms27094126 - 5 May 2026
Viewed by 477
Abstract
DNA-binding with one finger (Dof) transcription factors are plant-specific regulators of growth, development, and stress responses. Despite extensive characterization in various species, Dof genes in flax (Linum usitatissimum L.), an important oil and fiber crop, remain largely uncharacterized. Through genome-wide identification and [...] Read more.
DNA-binding with one finger (Dof) transcription factors are plant-specific regulators of growth, development, and stress responses. Despite extensive characterization in various species, Dof genes in flax (Linum usitatissimum L.), an important oil and fiber crop, remain largely uncharacterized. Through genome-wide identification and comprehensive characterization of the Dof gene family in flax, this study identified 47 LuDof genes in the high-oil Longya-10 variety, distributed non-uniformly across 15 chromosomes. Phylogenetic analysis grouped these genes into 12 distinct clusters, reflecting evolutionary conservation and lineage-specific characteristics, including the absence of LuDof members in Group XII. Gene structure and conserved motif analyses revealed strong structural conservation, particularly within the canonical zf-Dof domain. Segmental duplication was identified as the primary driver of LuDof family expansion, with all paralogous pairs evolving under strong purifying selection. Collinearity analysis revealed that 80.9% of LuDof genes have homologs in other species, highlighting strong evolutionary conservation. Promoter analysis identified multiple hormone- and stress-responsive elements, and qRT-PCR under drought, heat, cold, and methyl jasmonate (MeJA) treatments confirmed their roles in environmental stress responses. Transcriptome profiling indicated their involvement in stem and capsule development. This study represents the first systematic characterization of the evolution, structure, and functional potential of the flax Dof gene family, establishing a foundation for functional studies and for developing genetically superior, stress-tolerant flax varieties. Full article
(This article belongs to the Special Issue Omics Approach to Uncovering Signalling and Gene Regulation in Plants)
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