Abstract
The cell envelopes of actinomycetes contain lipidated macroamphiphiles, of which the most extensively characterised are the lipoarabinomannans of mycobacteria and related bacteria. We have investigated the mycolic acid-containing actinomycete Gordonia bronchialis and identified the presence of a lipoarabinomannan-like lipoglycan. The extraction and purification procedures recovered a second amphiphilic fraction with properties suggesting a phosphatidylinositol mannoside, consistent with studies of other Gordonia species.
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Acknowledgements
we are grateful to Dr. John Belisle (Department of Microbiology, Colorado State University, USA) for supplying the polyclonal anti-LAM antibody (NIH sponsorship N01-AI-25147). Experimental work in this study was mainly carried out at the University of Sunderland, Institute of Pharmacy with the financial support of the Wellcome Trust (project 047462/Z/96) and Horserace Betting Levy Board (project:: vet/prj/652). We are grateful to the late Dr. David Bendell for assistance with the GC-MS experiments.
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Dedicated to the memory of our former colleague Dr. David Bendell.
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Garton, N.J., Sutcliffe, I.C. Identification of a lipoarabinomannan-like lipoglycan in the actinomycete Gordonia bronchialis . Arch Microbiol 184, 425–427 (2006). https://doi.org/10.1007/s00203-005-0050-z
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DOI: https://doi.org/10.1007/s00203-005-0050-z