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Abstract Detail



Biotic and abiotic stress

Menna, Alexandra L. [1], Nguyen, Dang [1], Guttman, David S. [1], Desveaux, Darrell [1].

Environmental Stresses Underlying Effector-Triggered Immunity (ETI) in Arabidopsis thaliana.

Pseudomonas syringae is a Gram-negative bacterium that infects multiple plant species by manipulating cellular processes via injection of type three secreted effectors (T3SEs) into host cells. Nucleotide-binding leucine-rich repeat (NLR) resistance proteins recognize specific T3SEs and trigger an immune response, called effector-triggered immunity (ETI). ETI is a rapid immune response capable of preventing pathogen spread, and manifests as localized programmed cell death, known as the hypersensitive response (HR). The ability of effectors to elicit immune responses in planta, in either a salicylic acid (SA)-dependent or independent manner, is affected by environmental stresses, such as high humidity or temperature. In further investigating the effects of environmental stress conditions on the development of immune responses, we will be able to learn more about the physiological processes underlying ETI. In addition, studying the effects of high humidity and temperature is of direct relevance to our changing climate. Understanding the physiological requirements underlying plant immunity may provide insight to useful biotechnological and agricultural solutions to the threat of global climate change.


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1 - University of Toronto, Cell and Systems Biology, 25 Willcocks Street, Toronto, ON, M5S 3B2, Canada

Keywords:
Effector-Triggered Immunity (ETI)
Humidity Stress
temperature stress
environmental stress
Plant-Pathogen Interaction
Arabidopsis thaliana.

Presentation Type: Poster:Posters for Topics
Session: P
Location: Hall D/The Shaw Conference Centre
Date: Monday, July 27th, 2015
Time: 5:30 PM
Number: PBA014
Abstract ID:1368
Candidate for Awards:CSPB President's Award for Best Student Presentation


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