A comparison of beauvericin, enniatin and valinomycin as calcium transporting agents in liposomes and chromatophores

The ion transporting antibiotic beauvericin is compared with enniatin and valinomycin for ability to transport monovalent and divalent metal cations in phospholipid liposomes and bacterial chromatophores. Valinomycin would transport potassium and caesium; enniatin potassium, caesium, sodium and lith...

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Veröffentlicht in:	Biochemical and biophysical research communications 1974-07, Vol.59 (2), p.697-703
Hauptverfasser:	Prince, R.C., Crofts, A.R., Steinrauf, L.K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Anti-Bacterial Agents - pharmacology Bacterial Chromatophores - drug effects Bacterial Chromatophores - metabolism Biological Transport, Active Calcium - metabolism Cesium - metabolism Cyanides - pharmacology Hydrazones - pharmacology Hydrogen-Ion Concentration Kinetics Liposomes - metabolism Lithium - metabolism Mathematics Phospholipids - metabolism Plants - metabolism Potassium - metabolism Rhodobacter sphaeroides - cytology Rhodobacter sphaeroides - metabolism Rhodopseudomonas - metabolism Sodium - metabolism Spectrometry, Fluorescence Spectrophotometry Structure-Activity Relationship Valinomycin - pharmacology
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Beschreibung
Zusammenfassung:	The ion transporting antibiotic beauvericin is compared with enniatin and valinomycin for ability to transport monovalent and divalent metal cations in phospholipid liposomes and bacterial chromatophores. Valinomycin would transport potassium and caesium; enniatin potassium, caesium, sodium and lithium; and beauvericin calcium, potassium, caesium, lithium and sodium. For beauvericin the cation specificity is found to be Ca>K>Cs>Li>Na.
ISSN:	0006-291X 1090-2104
DOI:	10.1016/S0006-291X(74)80036-7