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Lookup NU author(s): Dr Sudagar Gurcha,
Professor Del Besra
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The mycobacterial cell wall is a potential target for new drug development. Herein we report the preparation and activity of several n-octyl-5-(alpha-D-arabinofuranosyl)-beta-D-galactofuranoside derivatives. A cell-free assay system has been utilized for determination of the ability of disaccharide analogues to act as arabinosyltransferase acceptors using [C-14]-DPA as the glycosyl donor. In addition, in vitro inhibitory activity has been determined in a colorimetric broth microdilution assay system against MTB H37Ra and three clinical isolates of Mycobacterium avium complex (MAC). One of these disaccharides showed moderate activity against MTB. The biological evaluation of these disaccharides suggests that more hydrophobic analogues with a blocked reducing end showed better activity as compared to a totally deprotected disaccharide that more closely resembles the natural substrates in cell wall biosynthesis. (C) 2002 Elsevier Science Ltd. All rights reserved.
Author(s): Pathak AK, Pathak V, Suling WJ, Gurcha SS, Morehouse CB, Besra GS, Maddry JA, Reynolds RC
Publication type: Article
Publication status: Published
Journal: Bioorganic & Medicinal Chemistry
ISSN (print): 0968-0896
ISSN (electronic): 1464-3391
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