ORIGINAL RESEARCH article
Front. Plant Sci.
Sec. Plant Bioinformatics
Volume 16 - 2025 | doi: 10.3389/fpls.2025.1599849
This article is part of the Research TopicBioinformatics and Beyond: Exploring the Health Benefits of Bioactive Metabolites from PlantsView all articles
Identification and Expression Profiling of the CoDof Genes Involved in Fatty acid / Lipid biosynthesis of tetraploid Camellia oleifera
Provisionally accepted
- Central South University Forestry and Technology, Changsha, China
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Camellia oleifera, a crucial woody oil crop in China, produces seeds with over 90% unsaturated fatty acids offering substantial nutritional value and exists predominantly as cultivated tetraploid varieties (2n=4x=60) due to its polyploid nature. The DNAbinding with one finger (Dof) transcription factor play multiple roles in plant growth, development, and abiotic stress response pathways. However, the regulatory mechanisms of Dof genes underlying fatty acids/lipids biosynthesis during seed morphogenesis in Camellia oleifera remain poorly characterized. In this study, we identified a total of 40 members of the CoDof family with 116 alleles in tetraploid Camellia oleifera (COL-tetra), with all members possess varying numbers of highly conserved C2-C2-type zinc finger domains. Phylogenetic analysis clustered CoDof genes into nine categories, and significant divergence was observed in the expression levels of all family members across different growth and development stages of COLtetra seeds. After physiological data determination at various levels, differential expression analysis and correlation analysis of fatty acid/lipid synthesis genes revealed that CoDof30.1 is a typical candidate nuclear-localized transcription factor which significantly highly expressed in the middle period of seed development. Our findings not only comprehensively characterize the genomic organization of CoDof family but also propose a functional candidate for lipid biosynthesis regulation, thereby advancing molecular breeding strategies and elite cultivar selection in COL-tetra.
Keywords: tetraploid Camellia oleifera, CoDof gene family, fatty acids/lipids, Expression, CoDof30.1
Received: 25 Mar 2025; Accepted: 22 May 2025.
Copyright: © 2025 Zhao, Chen, Zhang, Liao and Wang. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Chancan Liao, Central South University Forestry and Technology, Changsha, China
Jin Wang, Central South University Forestry and Technology, Changsha, China
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