Milk membrane lipid vesicle structures studied with Cryo-TEM.
(2003) In Colloids and Surfaces B: Biointerfaces 31(1-4). p.257-264- Abstract
- Milk fat globule membrane (MFGM) lipids have been studied in the presence and absence of proteins -lactoglobulin and -casein. The aim of this study was to relate the self-assembly structure, e.g. vesicles, formed in aqueous dispersions of MFGM lipids to the lipid composition, electrolyte composition as well as the effect of added milk proteins, i.e. -lactoglobulin and -casein. For this purpose, vesicles of phospholipid mixtures, containing dioleoylphosphatidylcholine (DOPC), sphingomyelin (SM), dioleoylphosphatidylethanolamine (DOPE), phosphatidylinositol (PI) and dioleoylphosphatidylserine (DOPS) at composition corresponding to that of the MFGM, were prepared by extrusion. The morphology of the formed structures of different sample... (More)
- Milk fat globule membrane (MFGM) lipids have been studied in the presence and absence of proteins -lactoglobulin and -casein. The aim of this study was to relate the self-assembly structure, e.g. vesicles, formed in aqueous dispersions of MFGM lipids to the lipid composition, electrolyte composition as well as the effect of added milk proteins, i.e. -lactoglobulin and -casein. For this purpose, vesicles of phospholipid mixtures, containing dioleoylphosphatidylcholine (DOPC), sphingomyelin (SM), dioleoylphosphatidylethanolamine (DOPE), phosphatidylinositol (PI) and dioleoylphosphatidylserine (DOPS) at composition corresponding to that of the MFGM, were prepared by extrusion. The morphology of the formed structures of different sample compositions was studied with cryogenic transmission electron microscopy (Cryo-TEM). Mixtures of membrane lipid with a composition (e.g. 80% DOPE, 12% DOPC and 8% SM) that at high lipid content give liquid crystalline phases at the boundary of lamellar to reversed hexagonal phase rather formed microtubular structures than vesicles at high water content. A large proportion of multilamellar vesicles is formed in buffer and divalent salts than in pure water. A small increase in the interlayer spacing of the multilamellar vesicle was observed in the presence of -casein. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/128335
- author
- Waninge, Rianne
LU
; Nylander, Tommy
LU
; Paulsson, Marie
LU
and Bergenståhl, Björn
LU
- organization
- publishing date
- 2003
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Vesicles, Protein, Membrane lipids, Vesicle structures, Cryo-TEM
- in
- Colloids and Surfaces B: Biointerfaces
- volume
- 31
- issue
- 1-4
- pages
- 257 - 264
- publisher
- Elsevier
- external identifiers
-
- wos:000185304600026
- scopus:0043163667
- ISSN
- 1873-4367
- DOI
- 10.1016/S0927-7765(03)00145-0
- language
- English
- LU publication?
- yes
- id
- 3734dabc-7e97-4cc8-9b53-3b9fe3c802ed (old id 128335)
- date added to LUP
- 2016-04-01 16:22:22
- date last changed
- 2025-04-04 15:20:32
@article{3734dabc-7e97-4cc8-9b53-3b9fe3c802ed, abstract = {{Milk fat globule membrane (MFGM) lipids have been studied in the presence and absence of proteins -lactoglobulin and -casein. The aim of this study was to relate the self-assembly structure, e.g. vesicles, formed in aqueous dispersions of MFGM lipids to the lipid composition, electrolyte composition as well as the effect of added milk proteins, i.e. -lactoglobulin and -casein. For this purpose, vesicles of phospholipid mixtures, containing dioleoylphosphatidylcholine (DOPC), sphingomyelin (SM), dioleoylphosphatidylethanolamine (DOPE), phosphatidylinositol (PI) and dioleoylphosphatidylserine (DOPS) at composition corresponding to that of the MFGM, were prepared by extrusion. The morphology of the formed structures of different sample compositions was studied with cryogenic transmission electron microscopy (Cryo-TEM). Mixtures of membrane lipid with a composition (e.g. 80% DOPE, 12% DOPC and 8% SM) that at high lipid content give liquid crystalline phases at the boundary of lamellar to reversed hexagonal phase rather formed microtubular structures than vesicles at high water content. A large proportion of multilamellar vesicles is formed in buffer and divalent salts than in pure water. A small increase in the interlayer spacing of the multilamellar vesicle was observed in the presence of -casein.}}, author = {{Waninge, Rianne and Nylander, Tommy and Paulsson, Marie and Bergenståhl, Björn}}, issn = {{1873-4367}}, keywords = {{Vesicles; Protein; Membrane lipids; Vesicle structures; Cryo-TEM}}, language = {{eng}}, number = {{1-4}}, pages = {{257--264}}, publisher = {{Elsevier}}, series = {{Colloids and Surfaces B: Biointerfaces}}, title = {{Milk membrane lipid vesicle structures studied with Cryo-TEM.}}, url = {{http://dx.doi.org/10.1016/S0927-7765(03)00145-0}}, doi = {{10.1016/S0927-7765(03)00145-0}}, volume = {{31}}, year = {{2003}}, }