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Novel sulfated phosphoglycolipids from Natronomonas moolapensis
Umeå University, Faculty of Science and Technology, Department of Chemistry. Institute of Physics, Martin Luther University Halle-Wittenberg, Halle, Germany.
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2015 (English)In: Chemistry and Physics of Lipids, ISSN 0009-3084, E-ISSN 1873-2941, Vol. 191, 8-15 p.Article in journal (Refereed) Published
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Abstract [en]

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.

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 191, 8-15 p.
Keyword [en]
Natronomonas moolapensis strain 8.8.11(T), Halophilic archaea, Phosphatidylglycerol, Mass, spectrometry, NMR
National Category
Biochemistry and Molecular Biology Biophysics
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URN: urn:nbn:se:umu:diva-114643DOI: 10.1016/j.chemphyslip.2015.06.004ISI: 000366954400002PubMedID: 26134137OAI: oai:DiVA.org:umu-114643DiVA: diva2:897801
Available from: 2016-01-26 Created: 2016-01-25 Last updated: 2016-01-26Bibliographically approved

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