ArticlePlant cell reports2025
Comprehensive genomic analysis of SmbHLH genes and the role of SmbHLH93 in eggplant anthocyanin biosynthesis.
Article in Plant cell reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Identification of the BBX gene family and SmBBX5 positively regulate anthocyanin accumulation in eggplant (Solanum melongena L.).BMC genomics · 2025Article
- Comprehensive analysis of bHLH genes in wheat and functional characterization of TabHLH319 in salt tolerance.Plant cell reports · 2025Article
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5 authors.
Funding
Abstract
key messageSmbHLH93can activate the expression of SmCHS, SmANS, SmDFR and SmF3H.Overexpression of SmbHLH93promotes anthocyanin biosynthesis. SmbHLH93can interact with SmMYB1 to promote anthocyanin accumulation. As an outstanding source of anthocyanins, eggplant (Solanum melongena L.) is extremely beneficial for human health. In the process of anthocyanin biosynthesis in eggplant, the basic helix-loop-helix (bHLH) transcription factor family plays a crucial role. However, the bHLH gene family is extensive, making it difficult to systematically screen and analyze their functions using conventional methods. We studied the phylogeny, gene structure, conserved motifs, promoter element, and chromosomal location of the 166 SmbHLH genes in the recently released eggplant genome. Through the analysis of transcriptomic data of eggplant peel treated with light, it was found that SmbHLH93 was the most responsive to light among those of unknown function. Additionally, it was discovered that SmbHLH93 plays a positive regulatory role in anthocyanin synthesis through dual-luciferase reporter assay(dual-LUC) and genetic transformation in Arabidopsis (Arabidopsis thaliana). Furthermore, experiments involving yeast two-hybrid (Y2H), luciferase complementation assay (Split-LUC), and tobacco transient transformation demonstrated that SmbHLH93 has the ability to interact with SmMYB1 in order to enhance anthocyanin accumulation. This study will serve as a foundation for exploring the role of SmbHLH transcription factors in anthocyanin biosynthesis in the future.
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