Abstract
The ability to produce diplococcin (Dip+) was transferred by conjugation from Streptococcus cremoris 346 to two plasmid-free S. cremoris recipients at a high frequency (10(-1) per donor). Dip+ transconjugants from each mating gained a 54-megadalton plasmid. Spontaneous loss of this plasmid restored the Dip- phenotype.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
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