Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:6.3.2.3 (glutathione synthetase)
 678 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This study was carried out to investigate the mechanism of Rifampicin (RIF) induced glutathione (GSH) depletion in M. smegmatis. RIF at various concentrations decreased the activities of gamma glutamyl cysteine synthetase (GGCS) and GSH synthetase. Maximum decrease in the activities of biosynthetic enzymes of GSH was observed when 15 micrograms RIF ml-1 medium was incorporated in the growth medium before performing inoculations. The activity of GGCS was also decreased when three day grown M. smegmatis was exposed to 60 micrograms RIF ml-1 medium for a period of 6 h and 9 h. RIF did not alter the activity of gamma glutamyl transferase. The results of the present study demonstrate that the depletion caused by RIF in cellular GSH is due to its decreased biosynthesis whereas its degradation is not affected in M. smegmatis.
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PMID:Inhibition of cellular glutathione biosynthesis by rifampicin in Mycobacterium smegmatis. 135 83