Boyko Andrey Vitalievich RussiaSaratovRussian Research Anti-Plague Institute "Microbe", 410005, Saratov, Universitetskaya str., 46Leading Researcher. rusrapi@microbe.ru Author's articles Current State of Investigation of Cell Wall Surface of Microorganisms Ultrastructure under the Action of Factors Biotic and Abiotic Nature Using Methods of Atomic Force Microscopy