Mycobacteriaceae

A family of aerobic bacteria (order Actinomycetales) containing Gram-positive, spherical to rod-shaped cells. Branching does not occur under ordinary cultural conditions. They are usually acid-fast. They occur in soil and dairy products and as parasites on humans and other animals. The type genus is Mycobacterium.

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My·co·bac·te·ri·a·ce·ae .mī-kō-bak-.tir-ē-'ā-sē-.ē n pl a family of rod-shaped bacteria of the order Actinomycetales that are rarely filamentous and only occas. have slight branching

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My·co·bac·te·ri·a·ceae (mi″ko-bak-tēr″e-aґse-e) a family of bacteria of the suborder Corynebacterineae, order Actinomycetales, made up of slightly curved or straight, rod-shaped, gram-positive, aerobic, mesophilic cells, sometimes branching. They are found in soil, water, and dairy products and also as parasites. The family contains the genus Mycobacterium.