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

Petrifilm provides accurate results in three easy steps: inoculate, incubate and count. Use it to determine total aerobic bacterial populations and to identify coliform levels, E. coli and other coliforms. It can also be used to enumerate coliforms plus potential pathogens in 24 to 48 hours. Shelf life is 18 months from manufacture.

Isolated from straw, can also be found in the soil, and acts as a decomposer. Slight anti-bacterial activity. With coenocytic hyphae