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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F10%3A10215677%21RIV11-MSM-15310___
rdf:type
n12:Vysledek skos:Concept
dcterms:description
The phosphatidylglycerol deficient Delta pgsA mutant of Synechocystis PCC6803 provided a unique experimental system for investigating in vivo retailoring of exogenously added dioleoylphosphatidylglycerol, in phosphatidylglycerol-depleted cells. Gas chromatographic analysis of fatty acid composition suggested that diacyl-phosphatidylglycerols were synthesized from the artificial synthetic precursor. The formation of new. retailored lipid species was confirmed by negative-ion electrospray ionization-Fourier-transform ion cyclotron resonance and ion trap tandem mass spectrometry. Various isomeric diacyl-phosphatidylglycerols were identified indicating transesterification of the exogenously added dioleoylphosphatidyl-glycerol at the sn-1 or sn-2 positions. Polyunsaturated fatty acids were incorporated selectively into the sn-1 position. Our experiments with Synechocystis PCC6803/Delta pgsA mutant cells demonstrated lipid remodeling in a prokaryotic photosynthetic bacterium. The phosphatidylglycerol deficient Delta pgsA mutant of Synechocystis PCC6803 provided a unique experimental system for investigating in vivo retailoring of exogenously added dioleoylphosphatidylglycerol, in phosphatidylglycerol-depleted cells. Gas chromatographic analysis of fatty acid composition suggested that diacyl-phosphatidylglycerols were synthesized from the artificial synthetic precursor. The formation of new. retailored lipid species was confirmed by negative-ion electrospray ionization-Fourier-transform ion cyclotron resonance and ion trap tandem mass spectrometry. Various isomeric diacyl-phosphatidylglycerols were identified indicating transesterification of the exogenously added dioleoylphosphatidyl-glycerol at the sn-1 or sn-2 positions. Polyunsaturated fatty acids were incorporated selectively into the sn-1 position. Our experiments with Synechocystis PCC6803/Delta pgsA mutant cells demonstrated lipid remodeling in a prokaryotic photosynthetic bacterium.
dcterms:title
Remodeling of phosphatidylglycerol in Synechocystis PCC6803 Remodeling of phosphatidylglycerol in Synechocystis PCC6803
skos:prefLabel
Remodeling of phosphatidylglycerol in Synechocystis PCC6803 Remodeling of phosphatidylglycerol in Synechocystis PCC6803
skos:notation
RIV/61989592:15310/10:10215677!RIV11-MSM-15310___
n5:aktivita
n17:Z
n5:aktivity
Z(MSM6198959216)
n5:cisloPeriodika
2
n5:dodaniDat
n16:2011
n5:domaciTvurceVysledku
n18:7415540
n5:druhVysledku
n11:J
n5:duvernostUdaju
n7:S
n5:entitaPredkladatele
n14:predkladatel
n5:idSjednocenehoVysledku
284750
n5:idVysledku
RIV/61989592:15310/10:10215677
n5:jazykVysledku
n13:eng
n5:klicovaSlova
Synechocystis PCC6803; Mass spectrometry; Photosynthetic organism; Membrane lipid; Remodeling; Phosphatidylglycerol
n5:klicoveSlovo
n6:Phosphatidylglycerol n6:Photosynthetic%20organism n6:Synechocystis%20PCC6803 n6:Membrane%20lipid n6:Remodeling n6:Mass%20spectrometry
n5:kodStatuVydavatele
NL - Nizozemsko
n5:kontrolniKodProRIV
[BBA9458A5551]
n5:nazevZdroje
Biochimica Et Biophysica Acta
n5:obor
n9:CE
n5:pocetDomacichTvurcuVysledku
1
n5:pocetTvurcuVysledku
7
n5:rokUplatneniVysledku
n16:2010
n5:svazekPeriodika
1801
n5:tvurceVysledku
Wada, Hajime Gombos, Zoltan Laczko-Dobos, Hajnalka Ughy, Bettina Fryčák, Petr Domonkos, Ildiko
n5:zamer
n15:MSM6198959216
s:issn
0006-3002
s:numberOfPages
8
n4:organizacniJednotka
15310