Interspecific Protoplast Fusion between Streptococcus cremoris and Streptococcus lactis
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概要
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Interspecific recombinants have been produced between Streptococcus cremoris H-61 and S. lactis J-1 by polyethylene glycol-induced protoplast fusion. All of the fusants obtained showed mixed physiological properties of the two parents, and possessed plasmids derived from both parents at random. Physiological properties of primary colonies were stably maintained among the progenies after the single-colony isolation procedure. Similarly, in most of the fusants the plasmid profiles of the primary colonies were stably maintained, but one lost 2 out of the 7 plasmid bands. However, there was no indication that plasmids from either one of the parents were preferentially lost. These results showed that interspecific genetic transfer occurred on chromosomal and plasmid DNA on the protoplast fusion and that the fusants obtained were not heterokaryons, but true recombinants.
- 社団法人 日本農芸化学会の論文
著者
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OKAMOTO Takashi
National Astronomical Observatory of Japan
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Fujita Yasuhito
National Institute Of Animal Industry
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IRIE Ryozaburo
National Institute of Animal Industry
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