Synthesis pathways 2-Ketoisovalerate decarboxylase 1 2-ketoisovalerate decarboxylase 1 Antioxidants 1 Bacteria 1 Catalyse 1 Cellular response 1 Cytology 1 Decarboxylases 1 Efficiency 1 Expression levels 1 Green fluorescence proteins 1 Heterologous protein expression 1 Heterologous protein production 1 Heterologous proteins 1 Indole-3-pyruvate decarboxylase 1 Isobutanol 1 Isobutyraldehyde 1 Klebsiella pneumoniae 1 Lipase 1 Methanol 1 Oxidative stress 1 Oxidative stress tolerance 1 Pichia pastoris 1 Polycyclic aromatic hydrocarbons 1 Protein expressions 1 Proteins 1 Pyruvate decarboxylase 1 Pyruvates 1 RNA 1