Characteristics of the constituent substrains of Bacillus popilliae growing in batch and continuous cultures
1978
Sharpe, E.S. | Bulla, L.A. Jr
Continuous culture of Bacillus popilliae was achieved for the first time in a small chemostat. Initially, variable cell yields during steady-state chemostat growth led to a re-examination of growth rates in batch cultures. B. popilliae NRRL B-2309 and a wild strain were both found to be natural mixtures of three substrains characterized by different growth rates and colony morphologies and varying stability. Selected subcultures grown continuously provided data for three different cell production curves. Cell yields were two to three times greater per unit of medium in continuous than in batch culture, and about 1% of slow-growing chemostat cells formed typical spores.
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