Photochemistry of the nonribosomal peptide bacitracin

April 30, 2016

Rachel Lundeen's paper on the photochemistry of bacitracin A appeared online in Environmental Science & Technology today.  There are a couple of aspects that make this paper special for us.  It is our first paper of what we hope will be a series on the photochemistry of nonribosomal peptides, a class of important natural products that have been very poorly studied from a photochemical perspective.  This paper also represents an analytical milestone for us, as mass spectrometric analysis of the products is made challenging by the cyclic peptide structure.  Finally, bacitracin is a widely used antibiotic whose environmental fate is largely unknown.



Photooxidation of the antimicrobial, nonribosomal peptide bacitracin A by singlet oxygen under environmentally relevant conditions

Rachel A. Lundeen, Chiheng Chu, Michael Sander, and Kristopher McNeill

Environmental Science & Technology

DOI: 10.1021/acs.est.6b01131







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