When a bacterium is able to cause a disease, it is referred to as a pathogenic bacterium.
(a bacterium; is; able to cause a disease) (a bacterium; to cause; a disease) (it; is referred; as a pathogenic bacterium; T:When a bacterium is able to cause a disease)
a bacterium a bacterium it
is to cause is referred
able to cause a disease
a disease
as a pathogenic bacterium T:When a bacterium is able to cause a disease