"Gram Negative"

Isolated from human intestine, this organism is known for its distinctive putrefactive odor.

Ward's® Live Escherichia coli, Lactose Negative Culture

From soil and water rich in minerals. Organism of putrefaction.

Colorless, most widely dispersed of the Serratia species. 

All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for species.

Isolated from human nasopharynx. Presumably not related to N. sicca; some relation to N. gonorrhoeae. Often agglutinates in saline. 

Nitrogen fixation, produces nodules on legume roots. Bacteroids from nodules can be X, Y, and club shapes.

Capsules produced in milk. Psychrophilic (prefers low temperatures), produces yellow pigments. 

Found in seawater and marine animals. Young cultures luminescent.

This organism is commonly isolated from sewage, water, soil and dairy products, as it is a normal part of intestinal flora.

Found in fresh water. Chromogenesis; blue to purple pigments produced. Motile. Rods. Gram negative reaction. Aerobic. Incubation temperature 30°C. Blood agar growth medium. Note: Pathogen.

Packaged in a 16×125 mm tubes. Call our Customer Service for availability of demo plates and other special orders.

Frequent human isolate. Causes gastroenteritis.

From sewage and human intestine. Causes dysentery. 

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.