Towards estimating the number of strains that make up a natural bacterial population.

The latter results indicate that while the ecological advantage of genomovars DW07 and CZ05 at high-salt conditions may be significant, it is apparently not strong enough to purge diversity within the species (i.e., completely outcompete remaining genomovars), and genomovars that may be less-adapted to high-salt concentrations (e.g., CZ34 and CM11) appear to survive such (unfavorable) conditions, presumably as (viable) members of the rare biosphere.

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