Atvps34, the Arabidopsis Phosphotidylinositol 3-Kinase, Its Functions in ABA and Auxin Signaling Pathways and the Molecular Basis for Salinity Stress Tolerance in Extremophile Thellungiella Halophila

Thellungiella halophila, a close relative of Arabidopsis thaliana, is a halophyte that can survive in sea water. Microarray transcript profiling and intensity analysis, quantitative RT-PCR, and metabolite profiles revealed shared and divergent responses to salt stress in the two species. Sixty percent of regulated genes distinguished Thellungiella from Arabidopsis. Analysis of the differences showed that Arabidopsis took a global defense strategy that required bulk protein synthesis, while Thellungiella induced genes functioning in protein folding, post-translational modification, and protein redistribution. The microarray results were supported by transcript intensity analyses and metabolite profiling results, pointing towards a stress-anticipatory preparedness in Thellungiella.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Plant Biology

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2015

Author dc:creator

• Gong, Qingqiu

Contributors dc:contributor

• Hans J. Bohnert

• Biology, Molecular

Language dc:language

eng

Identifier

(MiAaPQ)AAI3250247

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/87052