Journal
RAPID COMMUNICATIONS IN MASS SPECTROMETRY
Volume 20, Issue 23, Pages 3579-3585Publisher
WILEY
DOI: 10.1002/rcm.2765
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Recently, the identification of four thio-arsenosugars in extracts of marine samples was reported. The biosynthesis of these arsenic species is most likely closely related to the well known oxo-arsenosugars. Due to their symbiotic algae giant clams contain oxo-arsenosugars with Carboxyl-, Carbamate- and Adenine-aglycone in significant amounts. Now we provide evidence for the presence of the thio analogues of these three arsenosugars in tissue extracts of the giant clams Tridacna maxima and Tridacna derasa. Anion-exchange high-performance liquid chromatography (HPLC) online with electrospray tandem mass spectrometry was applied for the identification of the thio-arsenosugars and the indirect quantification via their oxo analogues. Copyright (c) 2006 John Wiley & Sons, Ltd.
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