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논문 기본 정보

자료유형
학술저널
저자정보
Luong Thi Tham (Da Lat Nuclear Research Institute, 01 Nguyen Tu Luc, Da Lat 66106, Lam Dong, Vietnam) Nguyen Thi Hong Tham (Da Lat Nuclear Research Institute, 01 Nguyen Tu Luc, Da Lat 66106, Lam Dong, Vietnam) Nguyen Tien Dat (Da Lat Nuclear Research Institute, 01 Nguyen Tu Luc, Da Lat 66106, Lam Dong, Vietnam) Le Van Toan (Da Lat Nuclear Research Institute, 01 Nguyen Tu Luc, Da Lat 66106, Lam Dong, Vietnam) Pham Thi Hong Trang (Institute for Global Health Innovations, Duy Tan University, Da Nang 550000, VietnamBiotechnology Department, College of Medicine and Pharmacy, Duy Tan University, Da Nang 550000, Vietnam) Ho Thanh-Tam (Institute for Global Health Innovations, Duy Tan University, Da Nang 550000, VietnamBiotechnology Department, College of Medicine and Pharmacy, Duy Tan University, Da Nang 550000, Vietnam) Nguyen Ngoc-Loi (Institute of Oceanology, Polish Academy of Sciences, Powstancow Warszawy 55, Sopot 81-712, Poland)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology Vol.34 No.1
발행연도
2024.1
수록면
56 - 64 (9page)
DOI
10.4014/jmb.2308.08037

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The widespread application of triazole fungicides (TFs) in agricultural practices can result in the considerable accumulation of active compound residues in the soil and a subsequent negative impact on the soil microbiota and crop health. In this study, we isolated three TF-degrading bacterial strains from contaminated agricultural soils and identified them as Klebsiella sp., Pseudomonas sp., and Citrobacter sp. based on analysis of morphological characteristics and 16S rRNA gene sequences. The strains used three common TFs, namely hexaconazole, difenoconazole, and propiconazole, as their only sources of carbon and energy for growth in a liquid mineral salt medium, with high concentrations (~ 500 mg/l) of each TF. In addition to the ability to degrade fungicides, the isolates also exhibited plant growth-promoting characteristics, such as nitrogen fixation, indole acetic acid production, phosphate dissolution, and cellulose degradation. The synergistic combination of three bacterial isolates significantly improved plant growth and development with an increased survival rate (57%), and achieved TF degradation ranging from 85.83 to 96.59% at a concentration of approximately 50 mg/kg of each TF within 45 days in the soil-plant system. Based on these findings, the three strains and their microbial consortium show promise for application in biofertilizers, to improve soil health and facilitate optimal plant growth.

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