The real masters of life on Earth are not humans but nano-organisms and microbes. Microbiology represents the bedrock from which many newer developments in biotechnology have emanated. We humans have many microbial friends such as the bacteria that live within our body and protect us from disease, promote food digestion, produce vitamins and shape the immune system. On the other hand, some of the deadliest diseases are caused by certain viruses which are best considered as nano-organisms. The book aims to briefly describe some of the exciting new discoveries and researches in bacteria,...