MS (Master of Science)
Date of Award
Committee Chair or Co-Chairs
Cecilia A. McIntosh, Bert C. Lampson
Plants have evolved an efficient mechanism to defend themselves against pathogens. Many biotic and abiotic agents have been shown to induce defense mechanism in plants. Acibenzolar-S-Methyl (ASM) is a commercially available chemical inducer of local and systemic resistance (SAR) response in plants. ASM functioning at molecular level is mostly unclear. This research was designed to investigate the mechanism of ASM action in plants. It was hypothesized that SABP2, a plant protein, plays an important role in ASM-mediated defense signaling. Biochemical studies were performed to test the interaction between SABP2 and ASM. Transgenic SABP2-silenced tobacco plants were used to determine the role of SABP2 in SAR induced by ASM. The expression of PR-1 proteins was used as a marker for SAR induction. Results showed that SABP2 converts ASM into acibenzolar that induces the expression of PR-1 proteins and develops the SAR response in ASM-treated plants.
Thesis - Open Access
Tripathi, Diwaker, "Role of SABP2 in Systemic Acquired Resistance Induced by Acibenzolar-S-Methyl in Plants." (2010). Electronic Theses and Dissertations. Paper 1720. http://dc.etsu.edu/etd/1720
Copyright by the authors.