Biofilm Development with an Emphasis on Bacillus subtilis -- Physiology of Microbes in Biofilms - - Environmental Influences on Biofilm Development - - Quorum Sensing and Microbial Biofilms - - Innate and Induced Resistance Mechanisms of Bacterial Biofilms - - Multifrug Tolerance of Biofilms and Persister Cells - - Biofilms on Central Venous Catheters : Is Eradication Possible? - -Role of Bacterial Biofilms in Urinary Tract Infections - - Shifting Paradigms in Pseudomonas aeruginosa Biofilm Research-- Staphylococcal Biofilms -- Yersinia pestis Biofilm in the Flea Vector and Its Role in the Transmission of Plague - - Escherichia coli Biofilms