"WardsSci000192"

Frequent human isolate. Causes gastroenteritis.

From sewage and human intestine. Causes dysentery. 

E. coli with JM101 can be transformed with pUC8 plasmid to become resistant to Ampicillin and to metabolize lactose

Red-pigmented halophile from evaporating salt ponds; requires 25% salt medium, lyses easily in plain water, releasing DNA.

Isolated from human nasopharynx, saliva, and sputum. Spontaneously agglutinates in saline.

Ames test strain for detecting carcinogens. Causes infection in humans. 

isolated from human intestine. Lactose positive and sucrose positive after a few days’ growth. Causes a mild form of dysentery.

Both of these strains of Serratia marcescens are colorless mutants when plated alone, but when grown together, they produce a red pigment.

Noted for capsular swelling. Causes pneumonia and urinary tract infections.

Normal flora of respiratory tract. Beta-lactamase positive. Also known by the name Branhamella catarrhalis