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Novel sulfated phosphoglycolipids from Natronomonas moolapensis

MPG-Autoren
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Hoffmann,  Andreas
Oesterhelt, Dieter / Membrane Biochemistry, Max Planck Institute of Biochemistry, Max Planck Society;

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Oberwinkler,  Tanja
Oesterhelt, Dieter / Membrane Biochemistry, Max Planck Institute of Biochemistry, Max Planck Society;

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Siedler,  Frank
Oesterhelt, Dieter / Membrane Biochemistry, Max Planck Institute of Biochemistry, Max Planck Society;

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Oesterhelt,  Dieter
Oesterhelt, Dieter / Membrane Biochemistry, Max Planck Institute of Biochemistry, Max Planck Society;

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Zitation

Hoffmann, A., Kovermann, M., Oberwinkler, T., Siedler, F., Cortina, N. S., Balbach, J., et al. (2015). Novel sulfated phosphoglycolipids from Natronomonas moolapensis. CHEMISTRY AND PHYSICS OF LIPIDS, 191, 8-15. doi:10.1016/j.chemphyslip.2015.06.004.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0029-7281-2
Zusammenfassung
Polar lipid pattern determination is often used for the taxonomic classification of halophilic Archaea in addition to a genomic characterization. During the analysis of polar lipid extracts from the recently described haloarchaeon Natrononomonas moolapensis, an unknown glycolipid was detected. Fragmentation patterns observed from preliminary mass spectrometric analysis initially suggested the presence of a sulfo-hexosyl-phosphatidylglycerol. However, by NMR spectroscopy and enzymatic assays the existence of two isomeric molecules with different hexoses (1-(6-sulfo-D-glcp/galf-beta 1,2-glycero)phospho-2,3-diphytanylglycerol) could be shown. The structural origin from phosphatidylglycerol distinguishes these glycolipids within Archaea, because all other characterized haloarchaeal glycolipids consist of diphytanylglycerol directly linked to an oligoglycosyl moiety. Now the door is open to investigate the physical and functional consequences of these architectural differences of the head groups. (C) 2015 Elsevier Ireland Ltd. All rights reserved.