ArticleBMC plant biology2020
Global analysis of expression profile of members of DnaJ gene families involved in capsaicinoids synthesis in pepper (Capsicum annuum L).
Article in BMC plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 15 citations in OpenAlex.
- Focus on DnaJ protein research from Arabidopsis to crop improvement.The plant genome · 2026Review
- Spicy genes: mapping quantitative genomic regions and candidate genes for capsaicinoid and capsinoid biosynthesis in pepper.Frontiers in plant science · 2026Review
- Genome-Wide Identification ofPlants (Basel, Switzerland) · 2025Article
- Characterization of DnaJ gene family in Castanea mollissima and functional analysis of CmDnaJ27 under cold and heat stresses.BMC plant biology · 2025Article
- Multi-omics analysis of non-pungent (Physiology and molecular biology of plants : an international journal of functional plant biology · 2025Article
- Proteomic analysis of oat (Avena sativa L.) under drought stress using tandem mass tag labeling.PloS one · 2025Article
- The potential functions ofFrontiers in plant science · 2025Article
- Genome-Wide Identification of the DnaJ Gene Family in Citrus and Functional Characterization ofInternational journal of molecular sciences · 2024Article
- The Influence of Different Factors on the Metabolism of Capsaicinoids in Pepper (Plants (Basel, Switzerland) · 2024Review
- Comparative genomic analysis reveals expansion of the DnaJ gene family in Lagerstroemia indica and its members response to salt stress.Genetica · 2024Article
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5 authors at 3 institutions in 1 country.
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Abstract
backgroundThe DnaJ proteins play critical roles in plant development and stress responses. Recently, seventy-six DnaJ genes were identified through a comprehensive bioinformatics analysis in the pepper genome. However, there were no reports on understanding of phylogenetic relationships and diverse expression profile of pepper DnaJ genes to date. Herein, we performed the systemic analysis of the phylogenetic relationships and expression profile of pepper DnaJ genes in different tissues and in response to both abiotic stress and plant hormones.
resultsPhylogenetic analysis showed that all the pepper DnaJ genes were grouped into 7 sub-families (sub-family I, II, III, IV, V, VI and VII) according to sequence homology. The expression of pepper DnaJs in different tissues revealed that about 38% (29/76) of pepper DnaJs were expressed in at least one tissue. The results demonstrate the potentially critical role of DnaJs in pepper growth and development. In addition, to gain insight into the expression difference of pepper DnaJ genes in placenta between pungent and non-pungent, their expression patterns were also analyzed using RNA-seq data and qRT-PCR. Comparison analysis revealed that eight genes presented distinct expression profiles in pungent and non-pungent pepper. The CaDnaJs co-expressed with genes involved in capsaicinoids synthesis during placenta development. What is more, our study exposed the fact that these eight DnaJ genes were probably regulated by stress (heat, drought and salt), and were also regulated by plant hormones (ABA, GA3, MeJA and SA).
conclusionsIn summary, these results showed that some DnaJ genes expressed in placenta may be involved in plant response to abiotic stress during biosynthesis of compounds related with pungency. The study provides wide insights to the expression profiles of pepper DanJ genes and contributes to our knowledge about the function of DnaJ genes in pepper.
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