Pantoea sp, M3, and method for degrading malachite green

This invention discloses Pantoea sp. M3 (CCTCC No.M207022) with the ability to degrade malachite green. Logarithmic phase Pantoea sp. M3 2-4 wt. % is added into sterile degradation medium containing 0.5-5 mg/L malachite green, and cultured at 20-30 deg.C for 5-10 days to degrade malachite green. The...

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1. Verfasser: LIUYAN,REN YANG
Format: Patent
Sprache:eng
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Zusammenfassung:This invention discloses Pantoea sp. M3 (CCTCC No.M207022) with the ability to degrade malachite green. Logarithmic phase Pantoea sp. M3 2-4 wt. % is added into sterile degradation medium containing 0.5-5 mg/L malachite green, and cultured at 20-30 deg.C for 5-10 days to degrade malachite green. The degradation medium with a pH value of 6.0-8.0 comprises: glucose 0.5-1 g/L, NaCl 0.01-0.1 g/L, MgSO4 0.01-0.1 g/L, NH4NO3 0.02-0.1 g/L, K2HPO4 0.01-0.1 g/L, KH2PO4 0.01-0.1 g/L, and yeast extractum 0.06-0.3 g/L. Pantoea sp. M3 can effectively remove residual malachite green and leucomalachite green in water body for fishery. The degradation rate of Pantoea sp. M3 for 0.5-2 mg/L malachite green is higher than 90%.