The twenty first century human beings face innumerable health and environmental issues due to anthropogenic activities such as destruction of nature in the name of scientific development, industrialization and introduction of xenobiotic components without minding the future. Nature has its own ways to maintain sustainability without affecting flora and fauna. One such wonder of nature is the periplasmic predatory bacterium that feeds on other bacteria, Bdellovibrio, the world's smallest hunters

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... (0.2-0.5µm wide and 0.5 -2.5µm long) that support environment, agriculture, food processing and control human ailments. The antibiotic resistance, medicine's most pressing and emerging problem has forced the scientists to look for alternative treatments to combat bacterial infections. This global issue can be overcome by one of the alternative treatment of using predatory bacteria as "living antibiotics" replacing the use of conventional antibiotics.