4.3.3.6	down	expression of pdxS and pdxT is significantly reduced in the presence of pyridoxal or pyridoxal 5'-phosphate, whereas supplementing with pyridoxamine or pyridoxine shows no effect on pdxST expression	-, 716150	
4.3.3.6	up	the transcription regulator PdxR controls the biosynthesis of pyridoxal or pyridoxal 5'-phosphate in Corynebacterium glutamicum by activating the expression of the pyridoxal or pyridoxal 5'-phosphate synthase genes pdxST	-, 716150