Responses to Ecopollutants and Pathogenization Risks of Saprotrophic Rhodococcus Species

Perm Federal Research Center UB RAS, Institute of Ecology and Genetics of Microorganisms UB RAS, Department of Microbiology and Immunology, Perm State University, 15 Bukirev Str., 614990 Perm, Russia

Irina B. Ivshina; Maria S. Kuyukina; Anastasiia V. Krivoruchko; Elena A. Tyumina

2021

Scholarcy highlights

  • Perm Federal Research Center UB RAS, Institute of Ecology and Genetics of Microorganisms UB RAS, Department of Microbiology and Immunology, Perm State University, 15 Bukirev Str., 614990 Perm, Russia
  • The relative simplicity of the Rhodococcus cell structures is in harmony with the amazing perfection of their biological organization, and with their ability to form peculiar cellular adaptations having deep impacts primarily on cytology and physiology of rhodococci
  • These materials substantiate the idea that the adaptive reactions of rhodococci to the negative effects of ecotoxicants are complex
  • In the presence of ecotoxicants, the developing Rhodococcus population changes smoothly towards the formation of more stable forms adapted to new stressful conditions
  • Rhodococcus cells are characterized by significant universal morphological changes
  • The discovered natural means of maintaining constant intracellular conditions in rhodococci exposed to various pollutants are considered to be mechanisms of their adaptation to the changing environment. They provide an improved tolerance of rhodococci to xenobiotics and the ability to change their survival strategy, and show signs of pathogenicity
  • The adaptive mechanisms are commonly referred to as “pathogenicity factors”, with adhesins and adhesion being important as the mechanisms that trigger an infectious process

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