CLAVATA3 INSENSITIVE RECEPTOR KINASEs regulate lateral root initiation and spacing in Arabidopsis
2024
How CIKs Regulate Lateral Root Growth
publication
Evidence: moderate
Author Information
Author(s): Kunkowska Alicja B, Trozzi Nicola
Primary Institution: PlantLab, Institute of Plant Sciences, Sant’Anna School of Advanced Studies
Hypothesis
CIKs play a critical role in the RLK7-mediated signaling pathway during lateral root development.
Conclusion
CIK proteins are essential for regulating lateral root spacing and initiation in Arabidopsis.
Supporting Evidence
- CIKs are expressed similarly to RLK7 in lateral root founder cells and primordia.
- Mutants lacking CIKs showed increased lateral root primordia and roots.
- CIK proteins interact with RLK7, forming part of a receptor complex.
- TOLS2 treatment reduced lateral root primordia in wild-type plants but not in mutants.
- CIK phosphorylation is integral to the TOLS2 signaling pathway.
Takeaway
Plants have roots that help them grow, and this study found that certain proteins help control how these roots grow and spread out.
Methodology
Genotypic and phenotypic analyses, co-immunoprecipitation assays, yeast 2-hybrid, and bimolecular fluorescence complementation assays.
Limitations
No data were generated or analyzed in this study.
Digital Object Identifier (DOI)
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