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Glucosomes : glycosylated vesicle-in-vesicle aggregates in water from pH-responsive microbial glycolipid

Niki Baccile, Patrick Le Griel, Sylvain Prévost, Bernd Everaert, Inge Van Bogaert (UGent) , Sophie Roelants (UGent) and Wim Soetaert (UGent)
(2017) CHEMISTRYOPEN. 6(4). p.526-533
Author
Organization
Abstract
Vesicle-in-vesicle self-assembled containers, or vesosomes, are promising alternatives to liposomes because of their possible hierarchical encapsulation and high stability. We report herein the first example of sugar-based vesicles-in-vesicles, which we baptize glucosomes. These were prepared by using a natural microbial glycolipid (branched C22 sophorolipid) extracted from the culture medium of the yeast Pseudohyphozyma bogoriensis. Glucosomes spontaneously formed in water between pH6 and pH4 at room temperature, without the requirement of any additive. By means of pH-resolved insitu small angle X-ray scattering, we provided direct evidence for the vesicle-formation mechanism. Statistical treatment of the vesicle radii distribution measured by cryo-tansmission electron microscopy by using a derived form of the Helfrich bending free-energy expression provided an order of magnitude for the effective bending constant (the sum of the curvature and the saddle-splay moduli) of the lipid membrane to K=(0.4 +/- 0.1)k(B)T. This value is in agreement with the bending constant measured for hydrocarbon-based vesicles membranes.
Keywords
bolaforms, glycolipids, self-assembly, surfactants, vesosomes, SENSITIVE LIPOSOMES, DRUG-DELIVERY, COMPLEMENTARY LIPOSOMES, SELF-ASSEMBLIES, BIOSURFACTANTS, MICELLES, BOLAAMPHIPHILE, SOPHOROLIPIDS, BOGORIENSIS, MIXTURES

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Citation

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MLA
Baccile, Niki, et al. “Glucosomes : Glycosylated Vesicle-in-Vesicle Aggregates in Water from PH-Responsive Microbial Glycolipid.” CHEMISTRYOPEN, vol. 6, no. 4, 2017, pp. 526–33, doi:10.1002/open.201700101.
APA
Baccile, N., Le Griel, P., Prévost, S., Everaert, B., Van Bogaert, I., Roelants, S., & Soetaert, W. (2017). Glucosomes : glycosylated vesicle-in-vesicle aggregates in water from pH-responsive microbial glycolipid. CHEMISTRYOPEN, 6(4), 526–533. https://doi.org/10.1002/open.201700101
Chicago author-date
Baccile, Niki, Patrick Le Griel, Sylvain Prévost, Bernd Everaert, Inge Van Bogaert, Sophie Roelants, and Wim Soetaert. 2017. “Glucosomes : Glycosylated Vesicle-in-Vesicle Aggregates in Water from PH-Responsive Microbial Glycolipid.” CHEMISTRYOPEN 6 (4): 526–33. https://doi.org/10.1002/open.201700101.
Chicago author-date (all authors)
Baccile, Niki, Patrick Le Griel, Sylvain Prévost, Bernd Everaert, Inge Van Bogaert, Sophie Roelants, and Wim Soetaert. 2017. “Glucosomes : Glycosylated Vesicle-in-Vesicle Aggregates in Water from PH-Responsive Microbial Glycolipid.” CHEMISTRYOPEN 6 (4): 526–533. doi:10.1002/open.201700101.
Vancouver
1.
Baccile N, Le Griel P, Prévost S, Everaert B, Van Bogaert I, Roelants S, et al. Glucosomes : glycosylated vesicle-in-vesicle aggregates in water from pH-responsive microbial glycolipid. CHEMISTRYOPEN. 2017;6(4):526–33.
IEEE
[1]
N. Baccile et al., “Glucosomes : glycosylated vesicle-in-vesicle aggregates in water from pH-responsive microbial glycolipid,” CHEMISTRYOPEN, vol. 6, no. 4, pp. 526–533, 2017.
@article{8544796,
  abstract     = {{Vesicle-in-vesicle self-assembled containers, or vesosomes, are promising alternatives to liposomes because of their possible hierarchical encapsulation and high stability. We report herein the first example of sugar-based vesicles-in-vesicles, which we baptize glucosomes. These were prepared by using a natural microbial glycolipid (branched C22 sophorolipid) extracted from the culture medium of the yeast Pseudohyphozyma bogoriensis. Glucosomes spontaneously formed in water between pH6 and pH4 at room temperature, without the requirement of any additive. By means of pH-resolved insitu small angle X-ray scattering, we provided direct evidence for the vesicle-formation mechanism. Statistical treatment of the vesicle radii distribution measured by cryo-tansmission electron microscopy by using a derived form of the Helfrich bending free-energy expression provided an order of magnitude for the effective bending constant (the sum of the curvature and the saddle-splay moduli) of the lipid membrane to K=(0.4 +/- 0.1)k(B)T. This value is in agreement with the bending constant measured for hydrocarbon-based vesicles membranes.}},
  author       = {{Baccile, Niki and Le Griel, Patrick and Prévost, Sylvain and Everaert, Bernd and Van Bogaert, Inge and Roelants, Sophie and Soetaert, Wim}},
  issn         = {{2191-1363}},
  journal      = {{CHEMISTRYOPEN}},
  keywords     = {{bolaforms,glycolipids,self-assembly,surfactants,vesosomes,SENSITIVE LIPOSOMES,DRUG-DELIVERY,COMPLEMENTARY LIPOSOMES,SELF-ASSEMBLIES,BIOSURFACTANTS,MICELLES,BOLAAMPHIPHILE,SOPHOROLIPIDS,BOGORIENSIS,MIXTURES}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{526--533}},
  title        = {{Glucosomes : glycosylated vesicle-in-vesicle aggregates in water from pH-responsive microbial glycolipid}},
  url          = {{http://doi.org/10.1002/open.201700101}},
  volume       = {{6}},
  year         = {{2017}},
}
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