frequent conjugative transfer accelerates adaptation of a broad-host-range plasmid to an unfavorable pseudomonas putida host.incp-1 plasmids are known to be promiscuous, but it is not understood if they are equally well adapted to various species within their host range. moreover, little is known about their fate in bacterial communities. we determined if the incp-1beta plasmid pb10 was unstable in some proteobacteria, and whether plasmid stability was enhanced after long-term carriage in a single host and when regularly switched between isogenic hosts. plasmid pb10 was found to be very unstable in pseudomonas putida ...200717059480
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