Which group of organisms has a set of virulence genes closely related to the virB operon of the plant pathogen Agrobacterium tumefaciens?
A) hantaviruses
B) plague bacteria
C) malarial organisms
D) rickettsias

Question

Quizplus · Accepted Answer

Rickettsias have a set of virulence genes that are closely related to the virB operon found in Agrobacterium tumefaciens, which is involved in the type IV secretion system used for transferring DNA and proteins to host cells.

Which Group of Organisms Has a Set of Virulence Genes