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Question : Which of the following bacterium causes crown gall diseases in plants?

 

Option 1: Bacillus thurigiensis

Option 2: Agrobacterium tumefaciens

Option 3: Pseudomonas fluorescens

Option 4: None of these


Team Careers360 15th Jan, 2024
Answer (1)
Team Careers360 16th Jan, 2024

Correct Answer: Agrobacterium tumefaciens


Solution : The correct option is Agrobacterium tumefaciens .

Crown gall disease in plants is caused by the bacterium Agrobacterium tumefaciens . This disease is distinguished by the development of tumor-like growths or galls on the stems, roots, and occasionally leaves of diverse plant species. The bacteria inserts a piece of its DNA, known as T-DNA, into plant cells, causing uncontrolled cell proliferation and gall formation.

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