"Avantor"

Isolated from milk products; used in the manufacture of yogurt, buttermilk, and cheese. 

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

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

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

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

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

Isolated from sewage, human intestines, and urinary tract infections. Spreading colonies are seen on agar growth medium. 

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.

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

Frequent human isolate. Causes gastroenteritis.

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

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

From sewage and human intestine. Causes dysentery. 

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

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.

Beta hemolysis on blood. Causes wound infections and septicemia.