Structure of the bacillus cereus sporules exosporium
In the environment B. cereus bacilli are adapted to the saprophytic lifestyle. Under certain conditions, they can become pathogens for humans and animals. The interest in B. cereus bacilli is due to the fact that they cause diseases of the gastrointestinal tract (GIT), and can also cause septicemia, endocarditis, pneumonia, meningitis, etc. An important stage in the life cycle of B. cereus is sporulation. B. cereus sporules have specific structures that are absent in vegetative cells, and are responsible for such sporule properties as thermal stability, resistance to various damaging factors, adhesion to biotic and abiotic surfaces. The data on the fine structure of the B. cerеus exosporium were obtained using transmission electron microscopy and computer image analysis.
Tags: exosporium microelectronics transmission electron microscopy в. cereus просвечивающая электронная микроскопия экзоспориум
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