Photoswitchable phospholipid FRET acceptor: Detergent free intermembrane transfer assay of fluorescent lipid analogs

Abstract We have developed and characterized a novel photoswitchable phospholipid analog termed N-nitroBIPS-DPPG. The fluorescence can be switched on and off repeatedly with minimal photobleaching by UV or visible light exposure, respectively. The rather large photochromic head group is inserted dee...

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Autores principales: Mariko Sumi, Asami Makino, Takehiko Inaba, Yasushi Sako, Fumihiro Fujimori, Peter Greimel, Toshihide Kobayashi
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Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/d582f709b1b3429a9a380e5bb0e37308
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spelling oai:doaj.org-article:d582f709b1b3429a9a380e5bb0e373082021-12-02T12:32:20ZPhotoswitchable phospholipid FRET acceptor: Detergent free intermembrane transfer assay of fluorescent lipid analogs10.1038/s41598-017-02980-x2045-2322https://doaj.org/article/d582f709b1b3429a9a380e5bb0e373082017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-02980-xhttps://doaj.org/toc/2045-2322Abstract We have developed and characterized a novel photoswitchable phospholipid analog termed N-nitroBIPS-DPPG. The fluorescence can be switched on and off repeatedly with minimal photobleaching by UV or visible light exposure, respectively. The rather large photochromic head group is inserted deeply into the interfacial membrane region conferring a conical overall lipid shape, preference for a positive curvature and only minimal intermembrane transfer. Utilizing the switchable NBD fluorescence quenching ability of N-nitroBIPS-DPPG, a detergent free intermembrane transfer assay system for NBD modified lipids was demonstrated and validated. As NBD quenching can be turned off, total NBD associated sample fluorescence can be determined without the need of detergents. This not only reduces detergent associated systematic errors, but also simplifies assay handling and allows assay extension to detergent insoluble lipid species.Mariko SumiAsami MakinoTakehiko InabaYasushi SakoFumihiro FujimoriPeter GreimelToshihide KobayashiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-10 (2017)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Mariko Sumi
Asami Makino
Takehiko Inaba
Yasushi Sako
Fumihiro Fujimori
Peter Greimel
Toshihide Kobayashi
Photoswitchable phospholipid FRET acceptor: Detergent free intermembrane transfer assay of fluorescent lipid analogs
description Abstract We have developed and characterized a novel photoswitchable phospholipid analog termed N-nitroBIPS-DPPG. The fluorescence can be switched on and off repeatedly with minimal photobleaching by UV or visible light exposure, respectively. The rather large photochromic head group is inserted deeply into the interfacial membrane region conferring a conical overall lipid shape, preference for a positive curvature and only minimal intermembrane transfer. Utilizing the switchable NBD fluorescence quenching ability of N-nitroBIPS-DPPG, a detergent free intermembrane transfer assay system for NBD modified lipids was demonstrated and validated. As NBD quenching can be turned off, total NBD associated sample fluorescence can be determined without the need of detergents. This not only reduces detergent associated systematic errors, but also simplifies assay handling and allows assay extension to detergent insoluble lipid species.
format article
author Mariko Sumi
Asami Makino
Takehiko Inaba
Yasushi Sako
Fumihiro Fujimori
Peter Greimel
Toshihide Kobayashi
author_facet Mariko Sumi
Asami Makino
Takehiko Inaba
Yasushi Sako
Fumihiro Fujimori
Peter Greimel
Toshihide Kobayashi
author_sort Mariko Sumi
title Photoswitchable phospholipid FRET acceptor: Detergent free intermembrane transfer assay of fluorescent lipid analogs
title_short Photoswitchable phospholipid FRET acceptor: Detergent free intermembrane transfer assay of fluorescent lipid analogs
title_full Photoswitchable phospholipid FRET acceptor: Detergent free intermembrane transfer assay of fluorescent lipid analogs
title_fullStr Photoswitchable phospholipid FRET acceptor: Detergent free intermembrane transfer assay of fluorescent lipid analogs
title_full_unstemmed Photoswitchable phospholipid FRET acceptor: Detergent free intermembrane transfer assay of fluorescent lipid analogs
title_sort photoswitchable phospholipid fret acceptor: detergent free intermembrane transfer assay of fluorescent lipid analogs
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/d582f709b1b3429a9a380e5bb0e37308
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