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The Β-Cyanoalanine Pathway Is Involved In The Response To Water Deficit In Arabidopsis Thaliana., Marylou Machingura, Aissatou Sidibe, Andrew J Wood, Stephen Ebbs
The Β-Cyanoalanine Pathway Is Involved In The Response To Water Deficit In Arabidopsis Thaliana., Marylou Machingura, Aissatou Sidibe, Andrew J Wood, Stephen Ebbs
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The β-cyanoalanine pathway is primarily responsible for detoxification of excess cyanide produced by plants. Recent evidence suggests that cyanide detoxification via this pathway may be involved in the response and tolerance to water deficit in plants. The aim of this study was to explore this role in Arabidopsis thaliana in greater detail. The first objective was to establish responsiveness of the pathway to the magnitude and duration of water deficit. The second objective was to examine how interruption of single genes (AtCysA1, AtCysC1 and AtNIT4) encoding enzymes of the pathway influenced the ability to metabolize cyanide and withstand water deficit. …