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Related Experiment Video

Updated: Jul 14, 2026

Long-term, High-resolution Confocal Time Lapse Imaging of Arabidopsis Cotyledon Epidermis during Germination

Long-term, High-resolution Confocal Time Lapse Imaging of Arabidopsis Cotyledon Epidermis during Germination

Published on: December 31, 2012

The SCARFACE gene is required for cotyledon and leaf vein patterning.

M K Deyholos¹, G Cordner, D Beebe

¹Department of Biology, University of Utah, Salt Lake City, UT 84112, USA.

Development (Cambridge, England)

|July 11, 2000

Summary

A new Arabidopsis mutant, scarface (sfc), reveals crucial insights into plant vein patterning. This mutant exhibits defective vascular development, suggesting early organogenesis roles for SFC in vein formation.

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Last Updated: Jul 14, 2026

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Area of Science:

Plant biology
Developmental genetics
Molecular genetics

Background:

Plant vascular system development is crucial for organ function.
The genetic mechanisms controlling plant vein patterning remain largely unknown.
Understanding these mechanisms can provide insights into plant growth and development.

Purpose of the Study:

To identify and characterize novel genetic factors involved in plant vein patterning.
To elucidate the role of the scarface (sfc) gene in Arabidopsis thaliana development.
To investigate the relationship between SFC and known vein patterning genes.

Main Methods:

Genetic analysis of a novel Arabidopsis mutant, scarface (sfc).
Phenotypic characterization of sfc mutants in various organs (cotyledons, leaves, sepals, petals).
Analysis of double mutants with known vein patterning genes (e.g., monopteros).
Assessment of response to exogenous auxin.

Main Results:

The scarface (sfc) mutant exhibits significant defects in vein patterning across multiple organs.
sfc mutants display discontinuous vascular structures, termed "vascular islands," instead of continuous veins.
The observed defects in cotyledon provascular tissue indicate an early role in organogenesis.
sfc mutants show hypersensitivity to exogenous auxin.
Genetic interactions suggest SFC shares partially overlapping functions with MONOPTEROS (MP) in vein patterning.

Conclusions:

The scarface (sfc) gene plays a critical role in establishing plant vascular patterns.
SFC is involved in early stages of organogenesis and vascular development.
SFC functions in auxin response pathways and interacts with other key regulators like MP.
Further research into SFC will enhance our understanding of plant vascular system development.