... (Paris,France): 5forGulox (forward), 5Â-GGGGACAAGTTTGTACAAAAAAGCAGGCTTCGATGACGACGACAAGATGAGCCCGATATGGAGTAATTGGCCT-3Â; and 3rev-Gulox (reverse), 5Â-GGGGACCACTTTGTACAAGAAAGCTGGGTCTCAGGGACCGAGAACGCGCCGGGTGT A- 3Â. ... Mycobacterium tuberculosis possesses a functional enzyme for the synthesis of vitamin C, L-gulono-1,4-lactone dehydrogenase Beata A. Wolucka1and David Communi21 Laboratory of Mycobacterial Biochemistry, ... (l-ascorbic acid; L-AA) is an importantmetabolite of plants and animals. It functions as anantioxidant (or pro-oxidant), an enzyme cofactor, aneffector of gene expression, and a modulator of react-ive...