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The pathogenic fungus Fusicoccum amygdali secretes a toxin called fusicoccin that
Chapter 36, Problem 2(choose chapter or problem)
QUESTION:
The pathogenic fungus Fusicoccum amygdali secretes a toxin called fusicoccin that activates the plasma membrane proton pumps of plant cells and leads to uncontrolled water loss. Suggest a mechanism by which the activation of proton pumps could lead to severe wilting.
Questions & Answers
QUESTION:
The pathogenic fungus Fusicoccum amygdali secretes a toxin called fusicoccin that activates the plasma membrane proton pumps of plant cells and leads to uncontrolled water loss. Suggest a mechanism by which the activation of proton pumps could lead to severe wilting.
ANSWER:The plasma membrane proton pumps are responsible for maintaining the internal environment of the plant cells by regulating the intake and release of ions and water. Fusicoccin is a toxin that activates these pumps, causing an increase in the release of ions and water from the cells. This causes a decrea