Regulation of MnP level of Inter-Kingdom fusant Fhhh with metal elements in degradation of organic polluant

Abstract

The enzyme specific activity levels of MnP from the inter-kingdom fusant Fhhh and its parental strain PC in the degradation of the waste water of food production were investigated using 4 factors of Mn 2+ , Cu 2+ ,Zn 2+ and Se 4+ . The order of the 4 factors affecting the MnP activity levels was identical for both Fhhh and PC, being Mn 2+ >Cu 2+ >Zn 2+ >Se 4+ .In the waste water of food production the MnP specific activity of Fhhh was 20.529?0±0.053?0 units and that of PC was 13.275?5±0.034?5, at the optimal levels of the 4 metal elements. In puried terephthalic acid (PTA) solution, the MnP specific activity of Fhhh was 6.560?5±0.056?7 units and that of PC was 5.772?6±0.039?8. Data indicate that Fhhh can degrade both waste water and PTA solution better than PC. It is feasible to set an optimal process for degrading organic pollutants by regulating the 4 metal element concentrations.