Possibility of Using Bacteria-Destructors for Cypermetrin Degradation
Diyorbek Kosimov *
Institute of Microbiology of the Academy of Sciences of the Republic of Uzbekistan, A. Kadyri Str. 7B, 100128, Tashkent, Uzbekistan.
Lyudmila Zaynitdinova
Institute of Microbiology of the Academy of Sciences of the Republic of Uzbekistan, A. Kadyri Str. 7B, 100128, Tashkent, Uzbekistan.
Roxila Jo’rayeva
Institute of Microbiology of the Academy of Sciences of the Republic of Uzbekistan, A. Kadyri Str. 7B, 100128, Tashkent, Uzbekistan.
Svetlana Kukanova
Institute of Microbiology of the Academy of Sciences of the Republic of Uzbekistan, A. Kadyri Str. 7B, 100128, Tashkent, Uzbekistan.
Rustam Ergashev
Institute of Microbiology of the Academy of Sciences of the Republic of Uzbekistan, A. Kadyri Str. 7B, 100128, Tashkent, Uzbekistan.
Azimjon Mamadrakhimov
Institute of Bioorganic Chemistry, UzAS, M. Ulugbek Str. 83, 100125, Tashkent, Uzbekistan.
Lukmonjon Mutalliev
Institute of Bioorganic Chemistry, UzAS, M. Ulugbek Str. 83, 100125, Tashkent, Uzbekistan and Turin Polytechnic University in Tashkent, Tashkent, Uzbekistan.
Farkhod Eshboev
Institute of Chemistry of Plant Substances of the Academy of Sciences of the Republic of Uzbekistan, Ulugbek St. 77, 100170, Tashkent, Uzbekistan.
*Author to whom correspondence should be addressed.
Abstract
From soils artificially contaminated with cypermethrin, 3 isolates were obtained that were resistant to cypermethrin concentrations of 40 mg/kg soil, and their morphological, cultural and biochemical properties were studied. On the basis of the obtained strains, a bacterial consortium was developed, which consists of the cultures of Pseudomonas sp., Bacilus sp. and Ochrobactrum sp. Laboratory experiments on the decomposition of cypermethrin showed the effectiveness of this consortium, within 28 days the decomposition of cypermethrin (40 mg/kg) was 100%.
Keywords: Biodegradation, bacterial consortium, pseudomonas, ochrobactrum, Bacillus, pesticides, cypermethrin