Research Article

Effective Degradation of 2,4,6-Trinitrotoluene (TNT) with a Bacterial Consortium Developed from High TNT-degrading Bacteria Isolated from TNT-contaminated Soil

Volume: 46 Number: 3 September 1, 2018
TR EN

Effective Degradation of 2,4,6-Trinitrotoluene (TNT) with a Bacterial Consortium Developed from High TNT-degrading Bacteria Isolated from TNT-contaminated Soil

Abstract

In this study, bacterial strains, capable of using TNT as a nitrogen source, were isolated from TNT-contaminated soil samples collected from military region in Kırıkkale, Turkey. We selected three strains that showed the highest TNT degradation capacity and according to 16S rRNA sequence analysis, the strains were identified as Klebsiella pneumoniae (designated SC1 K1, showed 99% homology), Raoultella planticola (designated SC1 K4, showed 99% homology) and Pseudomonas putida (designated SC1 K5, showed 99% homology). These strain were cultured in medium containing 100 mg L-1 TNT, SC1 K1 degraded 90 % of the initial TNT, SC1 K4 degraded 95 % of the initial TNT, and SC1 K5 degraded 84 % of the initial TNT after 24 h of incubation. Then, to remove TNT more efficiently, we constructed a bacterial consortium with these strains. The developed consortium was cultured in medium containing 100 mg L-1 TNT and the consortium removed 97.2 % of the initial TNT after four-hour incubation period. According to HPLC analyses, The consortium transformed TNT to 2-amino-4,6- dinitrotoluene, 4-amino-2,6-dinitrotoluene and an unknown metabolite. The isolates showed high TNT degradation capacity compared to many previous studies and the developed bacterial consortium can be used to remediate the TNT-contaminated environments.

Keywords

References

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Details

Primary Language

English

Subjects

Engineering

Journal Section

Research Article

Authors

Zehra Gün Gök This is me
Türkiye

Murat İnal
Türkiye

Publication Date

September 1, 2018

Submission Date

February 19, 2018

Acceptance Date

July 6, 2019

Published in Issue

Year 2018 Volume: 46 Number: 3

APA
Gök, Z. G., & İnal, M. (2018). Effective Degradation of 2,4,6-Trinitrotoluene (TNT) with a Bacterial Consortium Developed from High TNT-degrading Bacteria Isolated from TNT-contaminated Soil. Hacettepe Journal of Biology and Chemistry, 46(3), 445-455. https://izlik.org/JA36KH93CY
AMA
1.Gök ZG, İnal M. Effective Degradation of 2,4,6-Trinitrotoluene (TNT) with a Bacterial Consortium Developed from High TNT-degrading Bacteria Isolated from TNT-contaminated Soil. HJBC. 2018;46(3):445-455. https://izlik.org/JA36KH93CY
Chicago
Gök, Zehra Gün, and Murat İnal. 2018. “Effective Degradation of 2,4,6-Trinitrotoluene (TNT) With a Bacterial Consortium Developed from High TNT-Degrading Bacteria Isolated from TNT-Contaminated Soil”. Hacettepe Journal of Biology and Chemistry 46 (3): 445-55. https://izlik.org/JA36KH93CY.
EndNote
Gök ZG, İnal M (September 1, 2018) Effective Degradation of 2,4,6-Trinitrotoluene (TNT) with a Bacterial Consortium Developed from High TNT-degrading Bacteria Isolated from TNT-contaminated Soil. Hacettepe Journal of Biology and Chemistry 46 3 445–455.
IEEE
[1]Z. G. Gök and M. İnal, “Effective Degradation of 2,4,6-Trinitrotoluene (TNT) with a Bacterial Consortium Developed from High TNT-degrading Bacteria Isolated from TNT-contaminated Soil”, HJBC, vol. 46, no. 3, pp. 445–455, Sept. 2018, [Online]. Available: https://izlik.org/JA36KH93CY
ISNAD
Gök, Zehra Gün - İnal, Murat. “Effective Degradation of 2,4,6-Trinitrotoluene (TNT) With a Bacterial Consortium Developed from High TNT-Degrading Bacteria Isolated from TNT-Contaminated Soil”. Hacettepe Journal of Biology and Chemistry 46/3 (September 1, 2018): 445-455. https://izlik.org/JA36KH93CY.
JAMA
1.Gök ZG, İnal M. Effective Degradation of 2,4,6-Trinitrotoluene (TNT) with a Bacterial Consortium Developed from High TNT-degrading Bacteria Isolated from TNT-contaminated Soil. HJBC. 2018;46:445–455.
MLA
Gök, Zehra Gün, and Murat İnal. “Effective Degradation of 2,4,6-Trinitrotoluene (TNT) With a Bacterial Consortium Developed from High TNT-Degrading Bacteria Isolated from TNT-Contaminated Soil”. Hacettepe Journal of Biology and Chemistry, vol. 46, no. 3, Sept. 2018, pp. 445-5, https://izlik.org/JA36KH93CY.
Vancouver
1.Zehra Gün Gök, Murat İnal. Effective Degradation of 2,4,6-Trinitrotoluene (TNT) with a Bacterial Consortium Developed from High TNT-degrading Bacteria Isolated from TNT-contaminated Soil. HJBC [Internet]. 2018 Sep. 1;46(3):445-5. Available from: https://izlik.org/JA36KH93CY

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