Ethylene regulates lateral root formation and auxin transport in Arabidopsis thaliana
2008
Ethylene's Role in Lateral Root Formation in Arabidopsis
Sample size: 30
publication
10 minutes
Evidence: high
Author Information
Author(s): Negi Sangeeta, Ivanchenko Maria G, Muday Gloria K
Primary Institution: Wake Forest University
Hypothesis
Root branching is controlled by crosstalk between the plant hormones auxin and ethylene.
Conclusion
Ethylene negatively regulates lateral root formation in Arabidopsis by modulating auxin transport.
Supporting Evidence
- Enhanced ethylene synthesis or signaling negatively impacts lateral root formation.
- Ethylene-insensitive mutants show increased lateral root numbers.
- ACC treatment enhances IAA transport in both directions.
Takeaway
This study shows that ethylene can stop plants from growing new roots by messing with how they use a growth chemical called auxin.
Methodology
The study used Arabidopsis mutants and treatments to analyze the effects of ethylene on lateral root formation and auxin transport.
Limitations
The study primarily focused on specific mutants and may not represent all genetic variations in Arabidopsis.
Statistical Information
P-Value
p<0.0005
Statistical Significance
p<0.0005
Digital Object Identifier (DOI)
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