Application of the new degrader strain Bacillus mobilis 34T for soil clearing from 2,4,5-trichlorophenoxyacetic acid
Abstract
The 2,4,5-Trichlorophenoxyacetic acid (2,4,5-T)-degrading strain Bacillus mobilis 34Т isolated from the soil sample of the largest producer of herbicides in Russia was described. The strain was identified as Bacillus mobilis 34Т according to the cultural, morphological, morphometric, physiological, biochemical, features as well as the results of the comparative analysis of the 16S rRNA gene sequence. The growth of B. mobilis 34Т in the batch culture with using 2,4,5-T as a sole source of carbon and energy was studied. It was showed that 2,4,5-T content was reduced from the initial level by 29% and 62% during the first and ninth day, respectively. The strain was used for the treatment of a soil contaminated with 2,4,5-T. The decontamination degree was 41%, 52%, 58% on the 5th, 10th and 15–20st days of cultivation, respectively.
Keywords
Bacillus mobilis,
degrader strain,
2,
4,
5-trichlorophenoxyacetic acid,
utilization,
herbicides,
soil
About the Authors
V. V. Korobov
Ufa Institute of Biology, Ufa Federal Research Centre, Russian Academy of Sciences
Russian Federation
prospect Oktyabrya 69, Ufa, 450054
Russian Federation
prospect Oktyabrya 69, Ufa, 450054
E. I. Zhurenko
Ufa Institute of Biology, Ufa Federal Research Centre, Russian Academy of Sciences
Russian Federation
prospect Oktyabrya 69, Ufa, 450054
Russian Federation
prospect Oktyabrya 69, Ufa, 450054
N. V. Zharikova
Ufa Institute of Biology, Ufa Federal Research Centre, Russian Academy of Sciences
Russian Federation
prospect Oktyabrya 69, Ufa, 450054
Russian Federation
prospect Oktyabrya 69, Ufa, 450054
T. R. Iasakov
Ufa Institute of Biology, Ufa Federal Research Centre, Russian Academy of Sciences
Russian Federation
prospect Oktyabrya 69, Ufa, 450054
Russian Federation
prospect Oktyabrya 69, Ufa, 450054
T. V. Markusheva
Ufa Institute of Biology, Ufa Federal Research Centre, Russian Academy of Sciences
Russian Federation
prospect Oktyabrya 69, Ufa, 450054
Russian Federation
prospect Oktyabrya 69, Ufa, 450054
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Review
For citations:
Korobov V.V., Zhurenko E.I., Zharikova N.V., Iasakov T.R., Markusheva T.V. Application of the new degrader strain Bacillus mobilis 34T for soil clearing from 2,4,5-trichlorophenoxyacetic acid. Vestnik Moskovskogo universiteta. Seriya 16. Biologiya. 2019;74(3):195-199. (In Russ.)
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