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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
1985-11-1
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pubmed:abstractText |
Spheroplasts of Escherichia coli or Salmonella typhimurium were found to fuse in an electric field. We employed the fusion method developed by Zimmermann and Scheurich (1981): Close membrane contact between cells is established by dielectrophoresis (formation of chains of cells by an a.c. field), then membrane fusion is induced by the application of short pulses of direct current. Under optimum conditions the fusion yield was routinely 90%. Fusable spheroplasts were obtained by first growing filamentous bacteria in the presence of cephalexin, then converting these to spheroplasts by the use of lysozyme. The fusion products were viable and regenerated to the regular bacterial form. Fusion of genetically different spheroplasts resulted in strains of bacteria possessing a combination of genetic markers. Fusion could not be achieved with spheroplasts obtained by growing the cells in the presence of penicillin or by using lysozyme on bacteria of usual size.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Sep
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pubmed:issn |
0006-3002
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
25
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pubmed:volume |
819
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
105-13
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:3899175-Calcium,
pubmed-meshheading:3899175-Electricity,
pubmed-meshheading:3899175-Escherichia coli,
pubmed-meshheading:3899175-Magnesium,
pubmed-meshheading:3899175-Membrane Fusion,
pubmed-meshheading:3899175-Salmonella typhimurium,
pubmed-meshheading:3899175-Species Specificity
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pubmed:year |
1985
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pubmed:articleTitle |
Fusion of bacterial spheroplasts by electric fields.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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