ArticleBMC plant biology2025
Characterization of DnaJ gene family in Castanea mollissima and functional analysis of CmDnaJ27 under cold and heat stresses.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Focus on DnaJ protein research from Arabidopsis to crop improvement.The plant genome · 2026Review
- Genome-wide identification and alkaline stress response analysis of the class III peroxidase (PRX) gene family in Castanea mollissima.BMC plant biology · 2026Article
- Genome-wide analysis of the ALDH superfamily inFrontiers in plant science · 2026Article
- Genome-wide identification and characterization of the GRX gene family inFrontiers in plant science · 2026Article
- Comprehensive Analysis of the ARF Gene Family Reveals Their Roles in Chinese Chestnut (Biology · 2025Article
- Genome-wide identification and expression profiling ofFrontiers in plant science · 2025Article
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8 authors.
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Abstract
backgroundThe DnaJ gene family plays crucial roles in the plant abiotic stress response. Although the DnaJ gene family has been extensively characterized in various plants, its distribution in the Castanea mollissima genome is still unclear.
resultsIn this study, 78 CmDnaJ genes were identified and characterized in the C. mollissima genome, divided into three subfamilies based on the phylogeny analysis. The abundance of cis-acting elements related to temperature stress in the promoter regions of the CmDnaJ genes suggested a close relationship between this family and temperature stress response. Dispersed duplication was identified as the main driving force behind the expansion of the CmDnaJ family. RNA-seq data from 192 runs across nine projects were analyzed, revealing the potential roles of CmDnaJ genes in the growth, development, and environmental stress response of C. mollissima. Weighted gene co-expression network analysis showed that CmDnaJ27 and CmDnaJ34 were located in the red module and significantly correlated with temperature stimulus-response. RT-qPCR experiments and subcellular localization validated the expression levels and specific locations of CmDnaJ genes under cold and heat stresses. Overexpression of CmDnaJ27 in Nicotiana tabacum significantly reduces its tolerance to cold and heat stresses.
conclusionsThis study provides insights into the important roles of the DnaJ gene family in C. mollissima growth, development, and response to environmental stress, and provides reference to the research of CmDnaJs in cold and heat stresses response.
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