Abstract
We developed an efficient polyethylene glycol-mediated spheroplast transfection method for the extremely halophilic archaebacterium Halobacterium halobium. The 59-kilobase-pair linear phage phi H DNA molecule routinely produced between 5 X 10(6) and 2 X 10(7) transfectants per microgram of DNA. Between 0.5 and 1% of spheroplasts were transfected per microgram of luminal diameter H DNA. Under our conditions, survival and regeneration of H. halobium spheroplasts were also quite efficient, suggesting that this method will be useful for introducing other DNAs into these bacteria.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
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