Emergence of persister cells in : calculated or fortuitous move?

A stable but reversible phenotype switch from normal to persister state is advantageous to the intracellular pathogens to cause recurrent infections and to evade the host immune system. is a versatile opportunistic pathogen known to cause chronic infections with significant mortality. One of the notable features is the ability to switch to a per-sisters cell, which is found in planktonic and biofilm states.