ArticlePlant molecular biology2009
Comprehensive analysis of the regulatory roles of auxin in early transdifferentiation into xylem cells.
Article in Plant molecular biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 27 citations in OpenAlex.
- Transcriptome map and genome annotation of flax line 3896.Frontiers in plant science · 2025Article
- How to explore what is hidden? A review of techniques for vascular tissue expression profile analysis.Plant methods · 2023Review
- Comprehensive Effects ofFrontiers in plant science · 2022Article
- Identification and expression analysis of auxin-responsive GH3 family genes in Chinese hickory (Carya cathayensis) during grafting.Molecular biology reports · 2020Article
- Jasmonic Acid Methyl Ester Induces Xylogenesis and Modulates Auxin-Induced Xylary Cell Identity with NO Involvement.International journal of molecular sciences · 2019Article
- Review
- Modelling the development and arrangement of the primary vascular structure in plants.Annals of botany · 2014Article
- Hormone interactions in xylem development: a matter of signals.Plant cell reports · 2013Review
- A map of cell type-specific auxin responses.Molecular systems biology · 2013Article
- Dynamics of cell-fate determination and patterning in the vascular bundles of Arabidopsis thaliana.PloS one · 2013Article
- Article
- Phloem-associated auxin response maxima determine radial positioning of lateral roots in maize.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2012Article
Corrections and comments
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Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Auxin is essential for the formation of the vascular system. We previously reported that a polar auxin transport inhibitor, 1-N-naphthylphthalamic acid (NPA) decreased intracellular auxin levels and prevented tracheary element (TE) differentiation from isolated Zinnia mesophyll cells, but that additional auxin, 1-naphthaleneacetic acid (NAA) overcame this inhibition. To understand the role of auxin in gene regulation during TE differentiation, we performed microarray analysis of genes expressed in NPA-treated cells and NPA-NAA-treated cells. The systematic gene expression analysis revealed that NAA promoted the expression of genes related to auxin signaling and transcription factors that are known to be key regulators of differentiation of procambial and xylem precursor cells. NAA also promoted the expression of genes related to biosynthesis and metabolism of other plant hormones, such as cytokinin, gibberellin and brassinosteroid. Interestingly, detailed analysis showed that NAA rapidly induces the expression of auxin carrier gene homologues. It suggested a positive feedback loop for auxin-regulating vascular differentiation. Based on these results, we discuss the auxin function in early processes of transdifferentiation into TEs.
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