Thermotropic properties of dispersions of cholesterol with tetraether lipids from Thermoplasma acidophilum

Blöcher, Detlef; Freisleben, Hans-Joachim; Ring, Klaus

doi:10.1016/0003-9861(91)90612-m

Cited by 7 publications

(2 citation statements)

References 25 publications

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“…All DTA/DSC determinations [22,26,27,28,29,30,31,32,33,34] were conducted with hydrated lipids at various degrees of hydration, directly mixed into the analysis pans (details refer to the respective references), without checking planar or spherical membrane formation. Thus, all values presented are related to “hydrated lipid”.…”

Section: Differential Thermal Analysis (Dta) and Differential Scanmentioning

confidence: 99%

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The Main (Glyco) Phospholipid (MPL) of Thermoplasma acidophilum

Freisleben

2019

IJMS

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The main phospholipid (MPL) of Thermoplasma acidophilum DSM 1728 was isolated, purified and physico-chemically characterized by differential scanning calorimetry (DSC)/differential thermal analysis (DTA) for its thermotropic behavior, alone and in mixtures with other lipids, cholesterol, hydrophobic peptides and pore-forming ionophores. Model membranes from MPL were investigated; black lipid membrane, Langmuir-Blodgett monolayer, and liposomes. Laboratory results were compared to computer simulation. MPL forms stable and resistant liposomes with highly proton-impermeable membrane and mixes at certain degree with common bilayer-forming lipids. Monomeric bacteriorhodopsin and ATP synthase from Micrococcus luteus were co-reconstituted and light-driven ATP synthesis measured. This review reports about almost four decades of research on Thermoplasma membrane and its MPL as well as transfer of this research to Thermoplasma species recently isolated from Indonesian volcanoes.

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Section: Differential Thermal Analysis (Dta) and Differential Scanmentioning

confidence: 99%

“…Cholesterol forms mixed phases with MPL in its liquid-crystalline and its metastable gel-analogue gel states, the latter being stabilized by cholesterol. At high cholesterol fractions (c chol /c MPL39 = 1.8) new metastable phases occur with domains of varying cholesterol contents [32].…”

Section: Differential Thermal Analysis (Dta) and Differential Scanmentioning

confidence: 99%