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Questions and Answers
What significant impact does the bacterial canker disease caused by Clavibacter michiganensis ssp.michiganensis have on tomato production?
What significant impact does the bacterial canker disease caused by Clavibacter michiganensis ssp.michiganensis have on tomato production?
- Improves the nutritional value of tomatoes
- Increases tomato yield significantly
- Has no effect on tomato production
- Leads to severe yield losses (correct)
Which PR genes are examined in relation to salicylic acid's influence in the research?
Which PR genes are examined in relation to salicylic acid's influence in the research?
- PR1 and Glu B
- Glu A and PR1a (correct)
- PR3 and Glu D
- Glu C and PR2
What is one of the research objectives regarding the effect of bacterial canker on tomato plants?
What is one of the research objectives regarding the effect of bacterial canker on tomato plants?
- Investigate genetic modifications in tomatoes
- Assess the impact on pest resistance
- Analyze the effect on growth, shape, and biochemical changes (correct)
- Examine the influence of water availability
What role does salicylic acid (SA) play in the research regarding tomato plants?
What role does salicylic acid (SA) play in the research regarding tomato plants?
What critical factor is being analyzed alongside the expression of PR genes in the research?
What critical factor is being analyzed alongside the expression of PR genes in the research?
Flashcards
Bacterial canker
Bacterial canker
A disease caused by the bacterium Clavibacter michiganensis ssp.michiganensis (Cmm) that affects tomato plants, leading to systemic infection and death.
Salicylic acid (SA)
Salicylic acid (SA)
A chemical compound found in plants that helps trigger defense mechanisms against pathogens.
Pathogenesis-Related (PR) genes
Pathogenesis-Related (PR) genes
Genes involved in the plant's defense response against pathogens, producing proteins that fight the infection.
Glu A
Glu A
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PR1a
PR1a
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Study Notes
Problem Statement
- Bacterial canker disease (Clavibacter Michiganders ssp. michiganensis - Cmm) significantly impacts tomato production globally.
- Canker disease causes substantial yield losses.
- Systemic infection and plant death are caused by the pathogen invading the vascular system.
- There's a need to explore defense mechanisms to minimize crop losses.
Research Questions
- How does salicylic acid (SA) influence the expression of Pathogenesis-Related (PR) genes (Glu A and PR1a) in tomatoes infected with Cmm?
- What is the antibacterial activity of these PR proteins against Cmm in different tomato varieties?
Research Objectives
- Investigate the impact of bacterial canker on the expression of PR genes Glu A and PR1a.
- Examine the effect of bacterial canker on the growth, shape, and biochemical changes in tomato plants.
- Study how salicylic acid affects the expression of PR genes Glu A and PR1a.
- Analyze how salicylic acid influences growth, shape, and biochemistry in both bacterial canker-infected and healthy tomato plants.
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Description
This quiz explores the impact of bacterial canker disease on tomato plants, particularly focusing on the expression of Pathogenesis-Related genes. It also examines how salicylic acid influences these genes amid the infection. Test your knowledge on plant pathology and defense strategies in agriculture.
