growth promotion test No Further a Mystery
A seed-stock method should be useful for lengthy-expression storage of cultures. Cultures acquired within the ATCC ought to be resuscitated In keeping with directions. If grown in broth, the cells are pelleted by centrifugation. Resuspend in 1/20th the amount of fresh new upkeep broth, and include an equivalent volume of 20% (v/v in water) sterile