Celebrating the golden anniversary of the discovery of bacillosamine, the diamino sugar of a Bacillus
2007
Sharon, Nathan
Bacillosamine (2,4-diamino-2,4,6-trideoxy-D-glucose, Bac), a rare amino sugar, was discovered 50 years ago as a result of the follow-up of a chance observation made during studies of polypeptide synthesis by a Bacillus subtilis strain later renamed Bacillus licheniformis. In the following decades this amino sugar was almost completely ignored, although it was found in a number of bacterial polysaccharides and other metabolites. Recently, there has been a burst of interest in Bac when it was found to be a link glycan in eubacterial glycoproteins. In this retrospective, I review the chance discovery of Bac, its structural determination and its biosynthesis.
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