The advancements and discoveries in the fields of microbiology and molecular genetics have immensely benefitted mankind with their applications in pharmaceuticals, bioengineering, environmental science, etc. This book brings forth some of the crucial concepts and developments in the study of bacteria and their applications in microbial processes. It is a compilation of some important topics in the field of bacteriology and molecular genetics like bacterial physiology, bacterial endotoxins, cell signalling, etc. Scientists and students actively engaged in this field will find this book full of crucial and unexplored concepts.