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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제30권 제6호
- 발행연도
- 2020.1
- 수록면
- 839 - 847 (9page)
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In the present study, an anaerobic microbial consortium for the degradation of hexahydro-1,3,5- trinitro-1,3,5-triazine (RDX) was selectively enriched with the co-addition of RDX and starch under nitrogen-deficient conditions. Microbial growth and anaerobic RDX biodegradation were effectively enhanced by the co-addition of RDX and starch, which resulted in increased RDX biotransformation to nitroso derivatives at a greater specific degradation rate than those for previously reported anaerobic RDX-degrading bacteria (isolates). The accumulation of the most toxic RDX degradation intermediate (MNX [hexahydro-1-nitroso-3,5-dinitro-1,3,5-triazine]) was significantly reduced by starch addition, suggesting improved RDX detoxification by the co-addition of RDX and starch. The subsequent MiSeq sequencing that targeted the bacterial 16S rRNA gene revealed that the Sporolactobacillus, Clostridium, and Paenibacillus populations were involved in the enhanced anaerobic RDX degradation. These results suggest that these three bacterial populations are important for anaerobic RDX degradation and detoxification. The findings from this work imply that the Sporolactobacillus, Clostridium, and Paenibacillus dominant microbial consortium may be valuable for the development of bioremediation resources for RDX-contaminated environments.
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참고문헌 (63)
참고문헌 신청
Smith RW / 2013 / Removal rates of dissolved munitions compounds in seawater / Chemosphere 92:898~904
Andeer P / 2013 / Identification of microbial populations assimilating nitrogen from RDX in munitions contaminated military training range soils by high sensitivity stable isotope probing / Environ. Sci. Technol 47:10356~10363
Arbeli Z / 2016 / Persistence of pentolite(PETN and TNT)in soil microcosms and microbial enrichment cultures / Environ. Sci. Pollut. Res 23:9144~9155
Payne ZM / 2013 / Pilot-scale in situ bioremediation of HMX and RDX in soil pore water in Hawaii / Environ. Sci. Process Impacts 15:2023~2029
Jayamani I / 2015 / Stable isotope probing reveals the importance of Comamonas and Pseudomonadaceae in RDX degradation in samples from a Navy detonation site / Environ. Sci. Pollut. Res 22:10340~10350
Andeer P / 2013 / Identification of microbial populations assimilating nitrogen from RDX in munitions contaminated military training range soils by high sensitivity stable isotope probing / Environ. Sci. Technol 47:10356~10363
Arbeli Z / 2016 / Persistence of pentolite(PETN and TNT)in soil microcosms and microbial enrichment cultures / Environ. Sci. Pollut. Res 23:9144~9155
Payne ZM / 2013 / Pilot-scale in situ bioremediation of HMX and RDX in soil pore water in Hawaii / Environ. Sci. Process Impacts 15:2023~2029
Jayamani I / 2015 / Stable isotope probing reveals the importance of Comamonas and Pseudomonadaceae in RDX degradation in samples from a Navy detonation site / Environ. Sci. Pollut. Res 22:10340~10350
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