ArticleMolecular horticulture2021
Genome-wide binding analysis of the tomato transcription factor SlDof1 reveals its regulatory impacts on fruit ripening.
Article in Molecular horticulture, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 17 citations in OpenAlex.
- Genome-Wide Characterization and Functional Analysis ofPlants (Basel, Switzerland) · 2025Article
- Genome-Wide Identification and Expression Analysis of the LbDof Transcription Factor Family Genes inPlants (Basel, Switzerland) · 2025Article
- E3 ligase SlCOP1-1 stabilizes transcription factor SlOpaque2 and enhances fruit resistance to Botrytis cinerea in tomato.Plant physiology · 2024Article
- Article
- Identification and characterization ofFrontiers in plant science · 2023Article
- Abscisic acid-responsive transcription factors PavDof2/6/15 mediate fruit softening in sweet cherry.Plant physiology · 2022Article
- Tomato molecular biology - special collection of papers for molecular horticulture.Molecular horticulture · 2022Article
- Recent progresses in molecular postharvest biology.Molecular horticulture · 2022Article
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Authors and funding
6 authors at 4 institutions in 1 country.
Funding
Abstract
The DNA binding with one finger (Dof) proteins are plant-specific transcription factors involved in a variety of biological processes. However, little is known about their functions in fruit ripening, a flowering-plant-specific process that is required for seed maturation and dispersal. Here, we found that the tomato Dof transcription factor SlDof1, is necessary for normal fruit ripening. Knockdown of SlDof1 expression by RNA interference delayed ripening-related processes, including lycopene synthesis and ethylene production. Transcriptome profiling indicated that SlDof1 influences the expression of hundreds of genes, and a chromatin immunoprecipitation sequencing revealed a large number of SlDof1 binding sites. A total of 312 genes were identified as direct targets of SlDof1, among which 162 were negatively regulated by SlDof1 and 150 were positively regulated. The SlDof1 target genes were involved in a variety of metabolic pathways, and follow-up analyses verified that SlDof1 directly regulates some well-known ripening-related genes including ACS2 and PG2A as well as transcriptional repressor genes such as SlIAA27. Our findings provide insights into the transcriptional regulatory networks underlying fruit ripening and highlight a gene potentially useful for genetic engineering to control ripening.
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