Thymidine utilisation pathway is a novel phenotypic switch of .

is a bacterium belonging to the class . It causes acute and chronic infections of the urogenital tract. The main features of this bacterium are an absence of cell wall and a reduced genome size (517-622 protein-encoding genes).

Microcolonies: a novel morphological form of pathogenic spp.

The class unites cell wall lacking bacteria many of which are membrane parasites and opportunistic bacteria.. This study describes a novel morphological form found in the five species belonging to the bacterial class Mollicutes, and referred to as microcolonies (MCs).