ArticleNature plants2024
A chemical approach to extend flower longevity of Japanese morning glory via inhibition of master senescence regulator EPHEMERAL1.
Article in Nature plants, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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4 authors.
Funding
Abstract
Petal senescence in flowering plants is a type of programmed cell death with highly regulated onset and progression. A NAM/ATAF1,2/CUC2 transcription factor, EPHEMERAL1 (EPH1), has been identified as a key regulator of petal senescence in Japanese morning glory (Ipomoea nil). Here we used a novel chemical approach to delay petal senescence in Japanese morning glory by inhibiting the DNA-binding activity of EPH1. A cell-free high-throughput screening system and subsequent bioassays found two tetrafluorophthalimide-based compounds, Everlastin1 and Everlastin2, that inhibited the EPH1-DNA interaction and delayed petal senescence. The inhibitory mechanism was due to the suppression of EPH1 dimerization. RNA-sequencing analysis revealed that the chemical treatment strongly suppressed the expression of programmed cell death- and autophagy-related genes. These results suggest that a chemical approach targeting a transcription factor can regulate petal senescence.
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