Screening and Mutation Induction by DBD Plasma of Potassium-Solubilizing Bacteria

Xiao Li Zhu; Li Ping Dong; Jiao Qin Liu; Song Jie He; Hang Hang Du

doi:10.4028/www.scientific.net/AMR.884-885.516

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 884-885Screening and Mutation Induction by DBD Plasma of...

Screening and Mutation Induction by DBD Plasma of Potassium-Solubilizing Bacteria

Abstract:

Thirty seven strains of potassium-solubilizing bacteria were isolated from rhizosphere soil samples of different plants in Shannxi, China. Among them, six strains were selected by their high capacities of dissolving potassium,and then DBD plasma mutation was conducted to them for improving their releasing potassium activity. The results showed that the releasing potassium activities of most of the mutants increased compared with their initial wild-type strains. The potassium-solubilizing activity of the best mutants called VD-4-1 increased to 20.12mg/l. In comparison to its original strain, the ability of releasing potassium of VD-4-1 increased to 1.91 times. Through 16sr RNA sequence detection, VD-4-1 was identified as Enterobacter sp.. It demonstrated that DBD plasma treatment had a high-efficient quality, and it will be a useful method for micro-organisms mutation. Keywords: Potassium-solubilizing bacteria, Ability of releasing potassium, Dielectric barrier discharge (DBD) plasma mutation

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Periodical:

Advanced Materials Research (Volumes 884-885)

Pages:

516-521

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.884-885.516

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Online since:

January 2014

Authors:

Xiao Li Zhu, Li Ping Dong, Jiao Qin Liu, Song Jie He, Hang Hang Du

Keywords:

Ability of Releasing Potassium, Dielectric Barrier Discharge (DBD) Plasma Mutation, Potassium-Solubilizing Bacteria

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