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|Title:||PEG-induced fusion of phosphatidylcholine-liposomes with protoplasts and post-fusion evaluation of plating efficiency and enrichment in plasmamembrane phosphatidylcholine of protoplasts in <i style="">Datura innoxia</i> Mill|
|Keywords:||<i style="">Datura innoxia</i> Mill|
|Abstract:||Liposomes entrapping fluorescein diacetate were fused with protoplasts of <i style="">Datura innoxia </i>Mill by employing polyethylene glycol (PEG) as the fusogen. Factors that influence liposome-protoplast fusion were optimized as a function of PEG-concentration and incubation duration, liposome composition and surface charge and liposome:protoplast ratio. Phosphatidylcholine-liposomes were found ideal for the objectives of the study. Fusion index based on per cent fluorescing protoplasts varied among the protoplast types. PEG-incubation duration in the fusion assay and growth ability of protoplasts to form microcalli subsequent to liposome-protoplast fusion was determined based on protoplast plating-efficiency. Plating efficiency of post-fusion protoplasts increased due to incorporation of liposome-phosphatidylcholine in the plasmamembrane of protoplasts. Results are discussed in relation to the application of liposome-protoplast fusion system in selective modification of plasmamembrane phospholipids of protoplasts.|
|ISSN:||0975-1009 (Online); 0019-5189 (Print)|
|Appears in Collections:||IJEB Vol.44(12) [December 2006]|
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