Cited by 267Plant Molecular Biology ResearchPlant Parasitism and ResistanceDevelopmental Biology and Gene Regulation

Dynamics of MONOPTEROS and PIN‐FORMED1 expression during leaf vein pattern formation in Arabidopsis thaliana

Wenzel, Carol L., Schuetz, Mathias, Yu, Qian, Mattsson, Jim·2007·The Plant Journal

Abstract

Summary: Genetic evidence links the Arabidopsis MONOPTEROS (MP) and PIN‐FORMED1 (PIN1) genes to the patterning of leaf veins. To elucidate their potential functions and interactions in this process, we have assessed the dynamics of MP and PIN1 expression during vascular patterning in Arabidopsis leaf primordia. Both genes undergo a dynamic process of gradual refinement of expression into files one to two cells wide before overt vascular differentiation. The subcellular distribution of PIN1 is also gradually refined from a non‐polar distribution in isodiametric cells to strongly polarized in elongated procambial cells and provides an indication of overall directions of auxin flow. We found evidence that MP expression can be activated by auxin exposure and that PIN1 as well as DR5::GUS expression is defective in mp mutant leaves. Taken together the results suggest a feedback regulatory loop that involves auxin, MP and PIN1 and provide novel experimental support for the canalization‐of‐auxin‐flow hypothesis.

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Crossref · 10.1111/j.1365-313x.2006.02977.x

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  • Expression of PIN proteins precedes vascular development.

    “the expression of PIN proteins precedes vascular development (Sauer et al., 2006; Scarpella et al., 2006; Wenzel et al., 2007)”

    From Shaping plant architecture (2015) · cites this paper as Wenzel et al., 2007

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Authors
Wenzel, C. L., Schuetz, M., Yu, Q., & Mattsson, J.
Affiliations
Simon Fraser University (CA)
Corresponding author
Mattsson, Jim
Venue
The Plant Journal
Publisher
Wiley
Published
2007-01-08
Volume
49
Issue
3
Pages
387-398
ISSN
  • 0960-7412 (ISSN-L)
  • 1365-313X
OpenAlex
W1601614441
Cited by
267
References
43
Citations by year
2026: 5 · 2025: 10 · 2024: 15 · 2023: 12 · 2022: 13 · 2021: 21 · 2020: 16 · 2019: 10 · 2018: 5 · 2017: 16 · 2016: 17 · 2015: 11 · 2014: 19 · 2013: 13 · 2012: 18
FWCI
22.65
Type
journal article
Language
en
Open access
closed
Locations
  • The Plant Journal (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Parasitism and Resistance
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
MONOPTEROS, vascular patterning, auxin transport, procambium, gene expression dynamics, Arabidopsis thaliana
MeSH terms
DNA-Binding Proteins, Indoleacetic Acids, Mutation, Transcription Factors, Arabidopsis, Gene Expression Regulation, Plant, Gene Expression Regulation, Developmental, Plant Leaves, Plant Epidermis, Body Patterning, Membrane Transport Proteins, Arabidopsis Proteins, Green Fluorescent Proteins

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