D Thibaut

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High levels of conversion of 14C-labelled pristinamycin IIB (PIIB) to pristinamycin IIA (PIIA) were obtained in vivo in Streptomyces pristinaespiralis and in some other streptogramin A producers.(More)
Four pap genes (papA, papB, papC, papM) were found by sequencing near to snbA, a Streptomyces pristinaespiralis gene which was previously shown to encode one of the pristinamycin I (PI) synthetases.(More)
A 13.1-kb DNA fragment carrying Pseudomonas denitrificans cob genes has been sequenced. The nucleotide sequence and genetic analysis revealed that this fragment contained five different cob genes(More)
delta-Aminolevulinic acid and trimethylisobacteriochlorin are converted by cell-free protein preparations from Pseudomonas denitrificans into a metal-free pigment, precorrin-6x. This pigment, which(More)
Hydrogenobyrinic acid a,c-diamide was shown to be the substrate of cobaltochelatase, an enzyme that catalyzes cobalt insertion in the corrin ring during the biosynthesis of coenzyme B12 in(More)