Fig. 4From: Production of 9,21-dihydroxy-20-methyl-pregna-4-en-3-one from phytosterols in Mycobacterium neoaurum by modifying multiple genes and improving the intracellular environment9-hydroxy steroids accumulation of ΔkstDΔhsd4AΔfadA5 from different concentrations of phytosterols. a Time course of 9-OH-4-HP accumulation; b time course of 9-OH-AD accumulation; As the phytosterols concentration increased, the ability of the strain ΔkstDΔhsd4AΔfadA5 to transform phytosterols was inhibitedBack to article page