ArticlePlant physiology2003
Auxin signaling in Arabidopsis leaf vascular development.
Article in Plant physiology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 178 papers.
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178 citing papers in PubMed, 448 citations in OpenAlex.
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- MONOPTEROS isoform MP11ir plays a role during somatic embryogenesis in Arabidopsis thaliana.Plant physiology · 2025Article
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- Bridging the Gap: Genetic Insights into Graft Compatibility for Enhanced Kiwifruit Production.International journal of molecular sciences · 2025Review
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- The role of auxin transport through plasmodesmata in leaf vein canalization and patterning.Frontiers in plant science · 2025Article
- Indole-3-Acetic Acid (IAA) and Sugar Mediate Endosperm Development in Rice (Oryza sativa L.).Rice (New York, N.Y.) · 2024Article
- The Effects of Auxin Transport Inhibition on the Formation of Various Leaf and Vein Patterns.Plants (Basel, Switzerland) · 2024Article
- Nitrate Starvation Induces Lateral Root Organogenesis inInternational journal of molecular sciences · 2024Article
- Deficiency of Auxin Efflux CarrierPlants (Basel, Switzerland) · 2023Article
- Game of thrones among AUXIN RESPONSE FACTORs-over 30 years of MONOPTEROS research.Journal of experimental botany · 2023Review
- Identification of potential Auxin Response Candidate genes for soybean rapid canopy coverage through comparative evolution and expression analysis.bioRxiv : the preprint server for biology · 2023Article
- Integrating ATAC-seq and RNA-seq to identify differentially expressed genes with chromatin-accessible changes during photosynthetic establishment in Populus leaves.Plant molecular biology · 2023Article
- Dynamic QTL mapping revealed primarily the genetic structure of photosynthetic traits in castor (Ricinus communis L.).Scientific reports · 2023Article
118 more citing papers are in PubMed but not listed here.
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A number of observations have implicated auxin in the formation of vascular tissues in plant organs. These include vascular strand formation in response to local auxin application, the effects of impaired auxin transport on vascular patterns and suggestive phenotypes of Arabidopsis auxin response mutants. In this study, we have used molecular markers to visualize auxin response patterns in developing Arabidopsis leaves as well as Arabidopsis mutants and transgenic plants to trace pathways of auxin signal transduction controlling the expression of early procambial genes. We show that in young Arabidopsis leaf primordia, molecular auxin response patterns presage sites of procambial differentiation. This is the case not only in normal development but also upon experimental manipulation of auxin transport suggesting that local auxin signals are instrumental in patterning Arabidopsis leaf vasculature. We further found that the activity of the Arabidopsis gene MONOPTEROS, which is required for proper vascular differentiation, is also essential in a spectrum of auxin responses, which include the regulation of rapidly auxin-inducible AUX/IAA genes, and discovered the tissue-specific vascular expression profile of the class I homeodomain-leucine zipper gene, AtHB20. Interestingly, MONOPTEROS activity is a limiting factor in the expression of AtHB8 and AtHB20, two genes encoding transcriptional regulators expressed early in procambial development. Our observations connect general auxin signaling with early controls of vascular differentiation and suggest molecular mechanisms for auxin signaling in patterned cell differentiation.
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