The pathogen of plant roots that is used as a cloning host is ?

The pathogen of plant roots that is used as a cloning host is

a. Pseudomonas

b. Agrobacterium

c. Escherichia coli

d. Saccharomyces cerevisiae

Agrobacterium

Agrobacterium is listed as being the original source of genetic material that was transferred to these USA GMO foods [7]:

Soybean

Cotton

Corn

Sugar Beet

Alfalfa

Wheat

Oilseed Rape (Canola)

Creeping bentgrass (for animal feed)

See the wikipedia site for more information.

The answer is B.agrobacterium