Arabidopsis eIF2α kinase GCN2 is essential for growth in stress conditions and is activated by wounding
2008
The Role of GCN2 in Plant Growth Under Stress
publication
Evidence: high
Author Information
Author(s): Lageix Sébastien, Lanet Elodie, Pouch-Pélissier Marie-Noëlle, Espagnol Marie-Claude, Robaglia Christophe, Deragon Jean-Marc, Pélissier Thierry
Primary Institution: Université de Perpignan Via Domitia
Hypothesis
Is the Arabidopsis GCN2 kinase essential for plant growth in stress conditions?
Conclusion
The study concludes that AtGCN2 is crucial for plant growth during stress by regulating protein synthesis.
Supporting Evidence
- AtGCN2 is activated by amino acid and purine starvation, UV, cold shock, and wounding.
- GCN2 is essential for plant growth in stress situations.
- The activation of AtGCN2 suggests a role in plant defense against insect herbivores.
Takeaway
Plants have a special protein that helps them grow when they are stressed, like when they don't get enough food or are hurt.
Methodology
The study involved analyzing the activation of the GCN2 kinase in Arabidopsis under various stress conditions and measuring eIF2α phosphorylation.
Digital Object Identifier (DOI)
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