Abstract

In this work, some morpho-cultural and physiological properties of strains of thermophilic bacteria isolated from thermal springs of Azerbaijan were studied. Water samples from the “Babazyanan” springs in the Salyan region, as well as the “Ashagi Istisu” and “Yukhari Istisu” springs in the Kalbajar region were studied. A total of 11 strains of thermophilic bacteria were isolated. The isolated strains formed beige and light brown colonies of different sizes and consistency on agar media. The cells of the isolated strains were represented most of all by asporogenous, motile, gram-positive rods of various sizes. The strains grew within temperatures from 35° to 70°C, at a pH value of 5.0-11. Their identification was carried out and it was shown that the isolated strains were represented by bacteria of the genus Bacillus.

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