The Activity and Gene Expression of Enzymes in Mycelia of Pleurotus Eryngii under Cadmium Stress

Cadmium (Cd) is a highly toxic pollutant and nonessential element for plant growth. Here, we investigated the levels of malondialdehyde (MDA), H2O2, sugars, activity gene expression antioxidant enzymes sugar metabolism-related in mycelia Pleurotus eryngii grown presence 0, 0.5, 1, 1.5, 2.0, 4.0 mg·L−1 Cd. Raising Cd concentration resulted increases, followed by decreases (MDA) H2O2 mycelia. The maximum concentrations MDA reached 318.61 7411.40 μmol·L−1, respectively, at 1 mg·L−1. Antioxidative (superoxide dismutase (SOD), catalase, glutathione peroxidase (GPX), ascorbate (APX)) activities peaked Furthermore, produced trehalose, glucose, fructose, maltose fermentation broth response to stress. arabinose, fructose decreased continuously. glucose increased continuously, whereas those first then decreased. Gene level chitin synthase, glucose-1-phosphate uridyl transferase significantly 2 Cd, while that trehalase 0.5 mg·L−1, fructose-diphosphate aldolase, glyceraldehyde-3-phosphate dehydrogenase, 4