MORPHOLOGICAL STRUCTURE AND ULTRATHIN СUTS OF THERMOPHILIC BACTERIUM OF THERMUS RUBER STRAIN KB AND BACİLLUS STEAROTHERMOPHİLUS STRAIN 16
Abstract
The morphology and ultrathin structure of spore-forming bacteria Bacillus stearothermophilus and non-sporeforming bacteria Thermus ruber were studied using light and electron microscopes. It is shown that the ultrastructure of the cells of thermophilic bacilli is similar to the ultrastructure of the corresponding mesophilic forms.The multilayered structure of the inner layer of the spore shell was found in Bac. stearothermophilus, strain 16. Polymorphism was confirmed in T. ruber bacteria, strain Kb; in cells of this strain, invaginations of the outer membrane of the cell wall into the rigid inner layer were revealed, as a result of which the cell wall seems to consist of separate linearly arranged blocks, each of which covers the cell in a ring.Such a structure of the cell wall, characteristic of gram-negative bacteria of the genus Thermus, provides them with a large surface of contact with the external environment and thus a better metabolism in extreme conditions.
References
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