Studies on transfection and transformation of protoplasts of Bacillus larvae, Bacillus subtilis, and Bacillus popilliae | Zendy

Nouna Bakhiet | Zendy; Donald P. Stahly | Zendy

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Studies on transfection and transformation of protoplasts of Bacillus larvae, Bacillus subtilis, and Bacillus popilliae

Author(s) -

Nouna Bakhiet,

Donald P. Stahly

Publication year - 1985

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.49.3.577-581.1985

Subject(s) - bacillus subtilis , protoplast , transformation (genetics) , plasmid , bacillales , bacillaceae , biology , microbiology and biotechnology , dna , transfection , polyethylene glycol , bacteria , biochemistry , gene , genetics

Protoplasts of Bacillus larvae NRRL b-3555 and Bacillus subtilis RM125 (restrictionless, modificationless mutant) were transfected with DNA from the B. larvae bacteriophage PBL1c in the presence of polyethylene glycol. B. subtilis 168 and Bacillus popilliae NRRL B-2309M protoplasts could not be transfected with PBL1c DNA. Protoplasts of B larvae NRRL B-3555 were transformed with plasmids pC194 and pHV33 in the presence of polyethylene glycol. The frequency of transformation was much higher when the plasmids were isolated from B. larvae NRRL B-3555 transformants than when they were isolated from B. subtilis 168. These results indicate that the restriction-modification systems found in B. larvae NRRL B-3555 and B. subtilis 168 may be different. Conditions for protoplast formation and cell wall regeneration were developed for B. popilliae NRRL B-2309S. However, no transformation occurred with plasmids pC194 and pHV33 (isolated from B. subtilis 168).

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