Summary
Bacterial magnetite particles (BMPs) of 50 to 100nm diam were used as DNA carriers for the ballistic transformation of the marine cyanobacteriumSynechococcus. BMPs were bombarded into the cyanobacterial cells at several bombardment velocities using a particle gun. Successful transformation and gene expression were confirmed by Southern hybridization and CAT assay, respectively. The BMPs were also observed in the cyanobacterial cells by transmission electron microscopy. These results suggested that BMPs can be used as carriers for introducing DNA into bacterial cells.
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Takeyama, H., Yamazawa, A., Nakamura, C. et al. Application of bacterial magnetic particles as novel DNA carriers for ballistic transformation of a marine cyanobacterium. Biotechnol Tech 9, 355–360 (1995). https://doi.org/10.1007/BF00638870
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DOI: https://doi.org/10.1007/BF00638870