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@ARTICLE{Mukhina:485691,
author = {Mukhina, Tetiana and Pabst, Georg and Ruysschaert,
Jean-Marie and Brezesinski, Gerald and Schneck, Emanuel},
title = {p{H}-{D}ependent physicochemical properties of ornithine
lipid in mono- and bilayers},
journal = {Physical chemistry, chemical physics},
volume = {24},
number = {37},
issn = {1463-9076},
address = {Cambridge},
publisher = {RSC Publ.},
reportid = {PUBDB-2022-06777},
pages = {22778 - 22791},
year = {2022},
abstract = {In certain bacteria, phosphatidylethanolamine lipids (PEL)
get largely replaced by phosphate-free ornithine lipids (OL)
under conditions of phosphate starvation. It has so far been
unknown how much these two lipid types deviate in their
physicochemical properties, and how strongly bacteria thus
have to adapt in order to compensate for the difference.
Here, we use differential scanning calorimetry, X-ray
scattering, and X-ray fluorescence to investigate the
properties of OL with saturated C14 alkyl chains in mono-
and bilayers. OL is found to have a greater tendency than
chain-analogous PEL to form ordered structures and, in
contrast to PEL, even a molecular superlattice based on a
hydrogen bonding network between the headgroups. This
superlattice is virtually electrically uncharged and
persists over a wide pH range. Our results indicate that OL
and PEL behave very differently in ordered single-component
membranes but may behave more similarly in fluid
multicomponent membranes.},
cin = {DOOR ; HAS-User},
ddc = {540},
cid = {I:(DE-H253)HAS-User-20120731},
pnm = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal: I-20190719
(I-20190719) / FS-Proposal: I-20190800 (I-20190800)},
pid = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20190719 /
G:(DE-H253)I-20190800},
experiment = {EXP:(DE-H253)P-P08-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {36111816},
UT = {WOS:000854204300001},
doi = {10.1039/D2CP01045C},
url = {https://bib-pubdb1.desy.de/record/485691},
}