ArticlePlant physiology2025
Vegetative to generative1 (Vgt1) is an enhancer affecting flowering time and jasmonate signaling in maize by promoting the expression of Zea mays Related to APETALA 2.7.
Article in Plant physiology, 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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3 citing papers in PubMed.
- Structural Variation and Its Roles in Plant Genomes.Plants (Basel, Switzerland) · 2026Review
- Designed Alleles of ZmRap2.7 Decouple the Trade-Off Between Early Flowering and Yield Penalty.Plant biotechnology journal · 2026Article
- Transcriptomic Analysis Provides Insights into Flowering in Precocious-FruitingPlants (Basel, Switzerland) · 2026Article
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15 authors.
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Abstract
Transcriptional enhancers participate in cell and tissue differentiation in all multicellular organisms. Here, we characterized the candidate enhancer Vegetative to generative1 (Vgt1), a major quantitative trait locus for flowering time in maize. Transgenic lines containing an inverted repeat that induces DNA methylation at Vgt1 showed early flowering and an accelerated growth rate during early development. DNA methylation of Vgt1 was associated with the downregulation of the AP2-like floral repressor ZmRap2.7 in specific leaf tissues at the early stages of maize development. In line with Vgt1 regulating ZmRap2.7, chromosome conformation capture data showed that Vgt1 physically interacts with the ZmRap2.7 transcription start site. Finally, chromatin immunoprecipitation of transiently expressed ZmRap2.7 in protoplasts indicated that this transcription factor binds to the promoters of several hundred genes. These genes include many genes that are differentially expressed in maize lines with and without extra DNA methylation at Vgt1. Altogether, we show that ZmRap2.7 is transcriptionally controlled by Vgt1 and is involved in regulating flowering time and other biological pathways, such as jasmonate signaling.
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