ArticlePlant physiology2011
Rapid, organ-specific transcriptional responses to light regulate photomorphogenic development in dicot seedlings.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 21 citations in OpenAlex.
- Growing in red: impact of different light spectra and lighting conditions on lentil microgreens growth in vertical farming.Frontiers in plant science · 2024Article
- Plastic response to early shade avoidance cues has season-long effect on Beta vulgaris growth and development.Plant, cell & environment · 2021Article
- The Coordinated Upregulated Expression of Genes Involved in MEP, Chlorophyll, Carotenoid and Tocopherol Pathways, Mirrored the Corresponding Metabolite Contents in Rice Leaves during De-Etiolation.Plants (Basel, Switzerland) · 2021Article
- Temporal transcriptional logic of dynamic regulatory networks underlying nitrogen signaling and use in plants.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Long-distance communication in Arabidopsis involving a self-activating G protein.Plant direct · 2018Article
- "Hit-and-Run" transcription: de novo transcription initiated by a transient bZIP1 "hit" persists after the "run".BMC genomics · 2016Article
- Developmental profiling of gene expression in soybean trifoliate leaves and cotyledons.BMC plant biology · 2015Article
- Hit-and-run transcriptional control by bZIP1 mediates rapid nutrient signaling in Arabidopsis.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
- A survey of the small RNA population during far-red light-induced apical hook opening.Frontiers in plant science · 2014Article
- Hormonal networks involved in apical hook development in darkness and their response to light.Frontiers in plant science · 2014Review
- Differential growth at the apical hook: all roads lead to auxin.Frontiers in plant science · 2013Review
- Stem transcriptome reveals mechanisms to reduce the energetic cost of shade-avoidance responses in tomato.Plant physiology · 2012Article
- The inheritance pattern of 24 nt siRNA clusters in arabidopsis hybrids is influenced by proximity to transposable elements.PloS one · 2012Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The dicotyledon seedling undergoes organ-specific photomorphogenic development when exposed to light. The cotyledons open and expand, the apical hook opens, and the hypocotyl ceases to elongate. Using the large and easily dissected seedlings of soybean (Glycine max 'Williams 82'), we show that genes involved in photosynthesis and its regulation dominate transcripts specific to the cotyledon, even in etiolated seedlings. Genes for cell wall biosynthesis and metabolism are expressed at higher levels in the hypocotyl, while examination of genes expressed at higher levels in the hook region (including the shoot apical meristem) reveals genes involved in cell division and protein turnover. The early transcriptional events in these three organs in response to a 1-h treatment of far-red light are highly distinctive. Not only are different regulatory genes rapidly regulated by light in each organ, but the early-responsive genes in each organ contain a distinctive subset of known light-responsive cis-regulatory elements. We detected specific light-induced gene expression for the root phototropism gene RPT2 in the apical hook and also phenotypes in Arabidopsis (Arabidopsis thaliana) rpt2 mutants demonstrating that the gene is necessary for normal photomorphogenesis in the seedling apex. Significantly, expression of the RPT2 promoter fused to a β-glucuronidase reporter gene shows differential expression across the hook region. We conclude that organ-specific, light-responsive transcriptional networks are active early in photomorphogenesis in the aerial parts of dicotyledon seedlings.
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