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pubmed:abstractText |
We performed plasmid electrotransformation of Caulobacter crescentus strains and obtained up to 3 x 10(8) transformants per micrograms of pKT230. The presence and integrity of the paracrystalline protein surface (S) layer influenced electroporation; caulobacters lacking the S layer were electrotransformed 10 times more efficiently than caulobacters possessing the S layers. A procedure yielding 1,500 transformants per micrograms of pKT230 was developed for a marine caulobacter. Electroporation was used in combination with several genetic techniques, including introduction of ligation mixtures, suicide transposon mutagenesis, gene replacement, and plasmid electrotransfer from Escherichia coli to caulobacters.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, U.S. Gov't, Non-P.H.S.,
Research Support, Non-U.S. Gov't
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