Additional file 1: Table S1. Primers used in this study. Fig. S1. Partial amino acid sequence alignment of three MnSODs of P. ostreatus CCMSSC00389. A g126 (MnSOD1) vs g8468 (MnSOD2). B g126 (MnSOD1) vs g12127 (MnSOD3) . C g8468 (MnSOD2) vs g12127 (MnSOD3)