Method of treating and/or preventing type II diabetes using Actinomycetales

Gordonia, Rhodococcus, Tsukamurella, Nocardia, Dietzia Mycobacterium. Use of whole cells of bacteria from the genera of aerobic organisms in the order of Actinomycetales in the manufacture of a medicament for the treatment or prevention of Type II diabetes and/or obesity and methods of treating or preventing Type II diabetes and/or obesity in a subject by administering an effective amount of a composition comprising a whole cell of a bacterium from a genera of aerobic organisms in the order of Actinomycetales to said subject. Preferably the bacteria is from one or more of the following genera for example: and