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- Title
Surviving the Onslaught: Salicylic Acid Regulates Plasmodesmata Closure During Pathogen Attack in Arabidopsis.
- Authors
Lockhart, Jennifer
- Abstract
This article discusses the role of salicylic acid (SA) in regulating the closure of plasmodesmata (PD) during pathogen attack in Arabidopsis plants. PD are microscopic channels that allow communication and transport between cells, and when a plant is attacked by a microbe, the PD of the diseased cells close to prevent the spread of toxic materials. The study found that SA and its signaling pathway are responsible for inducing PD closure. The authors used an assay to assess the diffusion of a probe through the PD and found that exogenous application of SA induces PD closure. They also discovered that PDLP5, a protein induced by SA, is required for callose deposition in the PD. Overall, this research highlights the importance of SA in the plant immune response and its role in regulating PD closure during pathogen attack.
- Subjects
SALICYLIC acid; PLASMODESMATA; ARABIDOPSIS; DISEASE resistance of plants
- Publication
Plant Cell, 2013, Vol 25, Issue 6, p1911
- ISSN
1040-4651
- Publication type
Article
- DOI
10.1105/tpc.113.250610